include Marco Donnarumma language correction

svn path=/trunk/externals/pmpd/; revision=17196

26 files changed, 1019 insertions, 1024 deletions

diff --git a/iAmbient2D-help.pd b/iAmbient2D-help.pd
index b6d158c..edb2390 100644
--- a/iAmbient2D-help.pd
+++ b/iAmbient2D-help.pd
@@ -1,18 +1,8 @@
-#N canvas 643 132 613 725 10;
+#N canvas 289 119 706 725 10;
 #X obj 16 652 iAmbient2D;
-#X text 272 20 ambient interaction;
-#X text 179 143 1 : name;
-#X text 176 71 This object should receive a bang to be active (act
-like the link object);
-#X text 196 155 this is the name of the mass interacting with this
-object. you can also conect the output of this object to a mass \,
-to allow an interaction with this mass.;
-#X text 201 552 if a mass is outside of this rectangle \, the mass
+#X text 273 7 ambient interaction;
+#X text 231 548 if a mass is outside of this rectangle \, the mass
 will not interact with this object.;
-#X text 195 356 Maximum amplitude of a random force aplyed to masses
-(X and Y amplitude).;
-#X text 196 270 this is constant force apply to all masses interacting
-this this object. Gravity is a constant negative force on Y axes.;
 #X msg 73 225 setFX 0;
 #X msg 73 249 setFY 0;
 #X msg 76 304 setRndFX 0;
@@ -22,39 +12,49 @@ this this object. Gravity is a constant negative force on Y axes.;
 #X msg 76 495 setYmin -100000;
 #X msg 76 473 setXmax 100000;
 #X msg 76 518 setYmax 100000;
-#X text 173 517 10 : Y maximum;
-#X text 179 495 9 : Y minimum;
-#X text 179 473 8 : X maximum;
-#X text 179 452 7 : X minimum;
-#X text 202 537 minimum and maximum position of the interactor.;
+#X text 203 515 10 : Y maximum;
+#X text 209 493 9 : Y minimum;
+#X text 209 471 8 : X maximum;
+#X text 209 450 7 : X minimum;
+#X text 232 535 minimum and maximum position of the interactor.;
 #X msg 78 593 setdX 0;
 #X msg 78 616 setdY 0;
-#X text 77 112 message to change parametter / default value / creation
-arg number / description;
-#X text 175 225 2 : X constant force field;
-#X text 174 249 3 : Y constant force field;
-#X text 177 306 4 : rnd X force field;
-#X text 175 334 5 : rnd Y force field;
-#X text 176 389 6 : damping;
-#X text 174 593 11 : X displacement field;
-#X text 173 617 12 : y displacement field;
-#X text 205 640 X and Y displacement field. displace the mass if it's
-inside the interactor field;
+#X text 205 223 2 : X constant force field;
+#X text 204 247 3 : Y constant force field;
+#X text 204 591 11 : X displacement field;
 #X msg 72 202 setFXY 0 0;
-#X text 178 41 This object sould be used for the simulation of interaction
-between a collection of mass and a commun environement;
-#X text 196 404 value of the damping forces. this force is oposite
-from the velocity of the mass. It is proportional to the velocity of
+#X text 182 30 This object should be used for the simulation of interaction
+between a collection of mass and a common environment.;
+#X text 75 111 message to change parameter / default value / creation
+arg number / description;
+#X text 231 167 this is the name of the mass interacting with this
+object. you can also connect the output of this object to a mass \,
+to allow an interaction with this mass.;
+#X text 228 401 value of the damping forces. this force is opposite
+to the velocity of the mass. It is proportional to the velocity of
 the mass.;
+#X text 182 71 This object should receive a bang to be active (act
+like the link object).;
+#X text 207 151 1 : Name;
+#X text 205 307 4 : Rnd X force field;
+#X text 205 332 5 : Rnd Y force field;
+#X text 206 387 6 : Damping;
+#X text 203 615 12 : Y displacement field;
+#X text 232 631 X and Y displacement field. displace the mass if it's
+inside the interactor field.;
+#X text 230 348 maximum amplitude of a random force applied to masses
+(X and Y amplitude).;
+#X text 228 260 this is the constant force applied to all masses interacting
+with this object. Gravity is a constant negative force on Y axes.;
+#X connect 3 0 0 0;
+#X connect 4 0 0 0;
+#X connect 5 0 0 0;
+#X connect 6 0 0 0;
+#X connect 7 0 0 0;
 #X connect 8 0 0 0;
 #X connect 9 0 0 0;
 #X connect 10 0 0 0;
 #X connect 11 0 0 0;
-#X connect 12 0 0 0;
-#X connect 13 0 0 0;
-#X connect 14 0 0 0;
-#X connect 15 0 0 0;
-#X connect 16 0 0 0;
+#X connect 17 0 0 0;
+#X connect 18 0 0 0;
 #X connect 22 0 0 0;
-#X connect 23 0 0 0;
-#X connect 33 0 0 0;
diff --git a/iAmbient3D-help.pd b/iAmbient3D-help.pd
index c5751b7..9769791 100644
--- a/iAmbient3D-help.pd
+++ b/iAmbient3D-help.pd
@@ -1,12 +1,5 @@
-#N canvas 442 90 599 822 10;
+#N canvas 451 77 666 795 10;
 #X text 272 20 ambient interaction;
-#X text 179 143 1 : name;
-#X text 172 70 This object should receive a bang to be active (act
-like the link object);
-#X text 200 642 if a mass is outside of this rectangle \, the mass
-will not interact with this object.;
-#X text 198 295 this is constant force apply to all masses interacting
-this this object. Gravity is a constant negative force on Y axes.;
 #X msg 74 225 setFX 0;
 #X msg 75 249 setFY 0;
 #X msg 76 335 setRndFX 0;
@@ -16,60 +9,67 @@ this this object. Gravity is a constant negative force on Y axes.;
 #X msg 69 543 setYmin -100000;
 #X msg 69 521 setXmax 100000;
 #X msg 69 566 setYmax 100000;
-#X text 202 627 minimum and maximum position of the interactor.;
+#X text 220 624 minimum and maximum position of the interactor.;
 #X msg 70 673 setdX 0;
 #X msg 70 694 setdY 0;
-#X text 77 112 message to change parametter / default value / creation
-arg number / description;
 #X obj 16 752 iAmbient3D;
 #X msg 76 272 setFZ 0;
 #X msg 77 385 setRndFZ 0;
 #X msg 69 589 setZmin -100000;
 #X msg 69 611 setZmax 100000;
 #X msg 70 716 setdZ 0;
-#X text 200 401 Maximum amplitude of a random force aplyed to masses
-(X \, Y and Z amplitude).;
-#X text 175 225 2 : X constant force field;
-#X text 174 249 3 : Y constant force field;
-#X text 173 270 4 : Z constant force field;
-#X text 172 333 5 : rnd X force field;
-#X text 170 360 6 : rnd Y force field;
-#X text 170 386 7 : rnd Z force field;
-#X text 170 432 8 : damping;
-#X text 172 500 9 : X minimum;
-#X text 172 521 10 : X maximum;
-#X text 172 543 11 : Y minimum;
-#X text 171 565 12 : Y maximum;
-#X text 172 591 13 : Z minimum;
-#X text 171 611 14 : Z maximum;
-#X text 170 675 15 : X displacement field;
-#X text 169 696 16 : Y displacement field;
-#X text 169 719 17 : Z displacement field;
+#X text 196 224 2 : X constant force field;
+#X text 196 249 3 : Y constant force field;
+#X text 196 270 4 : Z constant force field;
+#X text 197 500 9 : X minimum;
+#X text 192 521 10 : X maximum;
+#X text 192 543 11 : Y minimum;
+#X text 191 565 12 : Y maximum;
+#X text 192 591 13 : Z minimum;
+#X text 191 611 14 : Z maximum;
+#X text 190 675 15 : X displacement field;
+#X text 189 696 16 : Y displacement field;
+#X text 189 719 17 : Z displacement field;
 #X msg 72 202 setFXY 0 0 0;
-#X text 172 40 This object sould be used for the simulation of interaction
-between a collection of masses and a commun environement;
-#X text 196 155 this is the mass name interacting with this object.
+#X text 222 168 this is the mass name interacting with this object.
 you can also conect the output of this object to a mass \, to allow
 an interaction with this mass.;
-#X text 197 450 value of the damping forces. this force is oposite
-from the velocity of the mass. It is proportional to the velocity of
+#X text 58 117 message to change parameter / default value / creation
+arg number / description;
+#X text 218 283 this is the constant force applied to all masses interacting
+this this object. Gravity is a constant negative force on Y axes.;
+#X text 216 446 value of the damping forces. this force is opposite
+to the velocity of the mass. It is proportional to the velocity of
 the mass.;
-#X text 200 736 X and Y displacement field. displace the mass if it's
-in the interactor field;
-#X connect 5 0 18 0;
-#X connect 6 0 18 0;
-#X connect 7 0 18 0;
-#X connect 8 0 18 0;
-#X connect 9 0 18 0;
-#X connect 10 0 18 0;
-#X connect 11 0 18 0;
-#X connect 12 0 18 0;
-#X connect 13 0 18 0;
-#X connect 15 0 18 0;
-#X connect 16 0 18 0;
-#X connect 19 0 18 0;
-#X connect 20 0 18 0;
-#X connect 21 0 18 0;
-#X connect 22 0 18 0;
-#X connect 23 0 18 0;
-#X connect 41 0 18 0;
+#X text 199 153 1 : Name;
+#X text 172 81 This object should receive a bang to be active (act
+like the link object).;
+#X text 172 40 This object should be used for the simulation of interaction
+between a collection of masses and a common environment.;
+#X text 195 333 5 : Rnd X force field;
+#X text 193 360 6 : Rnd Y force field;
+#X text 193 386 7 : Rnd Z force field;
+#X text 193 432 8 : Damping;
+#X text 220 638 If a mass is outside of this rectangle \, the mass
+will not interact with this object.;
+#X text 219 734 X and Y displacement field. displace the mass if it's
+in the interactor field.;
+#X text 217 398 maximum amplitude of a random force applied to masses
+(X \, Y and Z amplitude).;
+#X connect 1 0 13 0;
+#X connect 2 0 13 0;
+#X connect 3 0 13 0;
+#X connect 4 0 13 0;
+#X connect 5 0 13 0;
+#X connect 6 0 13 0;
+#X connect 7 0 13 0;
+#X connect 8 0 13 0;
+#X connect 9 0 13 0;
+#X connect 11 0 13 0;
+#X connect 12 0 13 0;
+#X connect 14 0 13 0;
+#X connect 15 0 13 0;
+#X connect 16 0 13 0;
+#X connect 17 0 13 0;
+#X connect 18 0 13 0;
+#X connect 31 0 13 0;
diff --git a/iCircle2D-help.pd b/iCircle2D-help.pd
index 0ec7c39..0a43ad7 100644
--- a/iCircle2D-help.pd
+++ b/iCircle2D-help.pd
@@ -1,45 +1,22 @@
-#N canvas 636 114 574 849 10;
-#X text 156 130 1 : name;
+#N canvas 645 77 574 795 10;
 #X obj 12 785 iCircle2D;
-#X text 151 193 2 : center circle X;
-#X text 153 219 3 : center circle Y;
 #X text 260 23 Circlular interaction;
 #X text 152 281 5 : Maximum Radius;
 #X text 151 258 4 : Minimum Radius;
-#X text 150 341 6 : constante Normal Force;
-#X text 149 374 7 : constante tengential Force;
-#X text 150 412 8 : normal rigidity;
-#X text 150 430 9 : tengential rigidity;
-#X text 143 492 10 : normal force proportional to 1/R;
-#X text 141 512 11 : tengential force proportional to 1/R;
-#X text 144 558 12 : normal damping;
-#X text 142 580 13 : tengential damping;
 #X text 144 614 14 : Normal displacement;
-#X text 143 633 15 : Tengential displacement;
-#X text 143 670 16 : link damping.;
-#X text 143 731 18 : normal constant displacement;
-#X text 142 753 19 : tangential constant displacement;
-#X text 98 97 message to change parametter / default value / creation
-arg number / description;
-#X text 177 148 this is the name of the mass interacting with this
-object. you can also conect the output of this object to a mass \,
-to allow an interaction with this mass.;
 #X msg 80 194 setX 0;
 #X msg 80 219 setY 0;
 #X msg 80 257 setRmin 0;
 #X msg 81 281 setRmax 1;
-#X text 177 236 center of the circle defining the interactor;
-#X text 176 300 minimal and maximal radius of the circle. If the mass
+#X text 176 236 center of the circle defining the interactor;
+#X text 176 295 minimal and maximal radius of the circle. If the mass
 is outside or inside this circles \, it will not interact with this
 link.;
-#X text 175 358 constant force normal to the circle.;
-#X text 176 391 add a constant force tangential to the circle.;
+#X text 173 355 constant force normal to the circle.;
 #X msg 78 373 setFT 0;
 #X msg 79 339 setFN 0;
 #X text 174 649 normal and tangential displacement field.;
 #X text 143 695 17 : Gravitation;
-#X text 172 714 Gravitation : this is a normal force proportional to
-1/R*R.;
 #X msg 78 694 setG;
 #X msg 78 731 setdN;
 #X msg 78 750 setdT;
@@ -52,31 +29,53 @@ link.;
 #X msg 80 615 setdN;
 #X msg 79 636 setdT;
 #X msg 78 670 setD;
-#X text 154 52 This object sould be used for the simulation of interaction
-between a collection of mass and a circle;
-#X text 175 447 normal and tangential rigidity of the circle. Forces
-are proportional to the distance between the mass and the maximum diametter
-of the circle.;
-#X text 175 528 normal and tangential forces proportional to the 1/distance
+#X text 173 527 normal and tangential forces proportional to the 1/distance
 between the mass and the center of the circle.;
-#X text 173 770 displace the mass if it's inside the interactor;
 #X text 174 596 normal and tangential (to the circle) damping to the
 mass.;
-#X connect 22 0 1 0;
-#X connect 23 0 1 0;
-#X connect 24 0 1 0;
-#X connect 25 0 1 0;
-#X connect 30 0 1 0;
-#X connect 31 0 1 0;
-#X connect 35 0 1 0;
-#X connect 36 0 1 0;
-#X connect 37 0 1 0;
-#X connect 38 0 1 0;
-#X connect 39 0 1 0;
-#X connect 40 0 1 0;
-#X connect 41 0 1 0;
-#X connect 42 0 1 0;
-#X connect 43 0 1 0;
-#X connect 44 0 1 0;
-#X connect 45 0 1 0;
-#X connect 46 0 1 0;
+#X text 63 87 message to change parameter / default value / creation
+arg number / description;
+#X text 180 145 this is the name of the mass interacting with this
+object. you can also connect the output of this object to a mass \,
+to allow an interaction with this mass.;
+#X text 175 446 normal and tangential rigidity of the circle. Forces
+are proportional to the distance between the mass and the maximum diameter
+of the circle.;
+#X text 154 52 This object should be used for the simulation of interaction
+between a collection of mass and a circle.;
+#X text 156 130 1 : Name;
+#X text 151 193 2 : Center circle X;
+#X text 152 219 3 : Center circle Y;
+#X text 150 340 6 : Constant Normal Force;
+#X text 149 374 7 : Constante tengential Force;
+#X text 173 391 adds a constant force tangential to the circle.;
+#X text 150 412 8 : Normal rigidity;
+#X text 150 430 9 : Tangential rigidity;
+#X text 143 492 10 : Normal force proportional to 1/R;
+#X text 141 512 11 : Tangential force proportional to 1/R;
+#X text 144 559 12 : Normal damping;
+#X text 142 580 13 : Tangential damping;
+#X text 143 633 15 : Tangential displacement;
+#X text 143 670 16 : Link damping.;
+#X text 143 731 18 : Normal constant displacement;
+#X text 142 753 19 : Tangential constant displacement;
+#X text 173 771 displaces the mass if it's inside the interactor;
+#X text 173 711 this is a normal force proportional to 1/R*R.;
+#X connect 5 0 0 0;
+#X connect 6 0 0 0;
+#X connect 7 0 0 0;
+#X connect 8 0 0 0;
+#X connect 12 0 0 0;
+#X connect 13 0 0 0;
+#X connect 16 0 0 0;
+#X connect 17 0 0 0;
+#X connect 18 0 0 0;
+#X connect 19 0 0 0;
+#X connect 20 0 0 0;
+#X connect 21 0 0 0;
+#X connect 22 0 0 0;
+#X connect 23 0 0 0;
+#X connect 24 0 0 0;
+#X connect 25 0 0 0;
+#X connect 26 0 0 0;
+#X connect 27 0 0 0;
diff --git a/iCircle3D-help.pd b/iCircle3D-help.pd
index a60a938..2aeb069 100644
--- a/iCircle3D-help.pd
+++ b/iCircle3D-help.pd
@@ -1,69 +1,69 @@
-#N canvas 579 157 566 710 10;
-#X text 177 107 1 : name;
+#N canvas 588 157 688 710 10;
 #X text 285 12 Circlular interaction;
-#X text 123 74 message to change parametter / default value / creation
-arg number / description;
-#X text 198 125 this is the name of the mass interacting with this
-object. you can also conect the output of this object to a mass \,
-to allow an interaction with this mass.;
 #X msg 104 332 setRmin 0;
 #X msg 105 355 setRmax 1;
-#X text 200 374 minimal and maximal radius of the circle. If the mass
-is outside or inside this circles \, it will not interact with this
-link.;
-#X text 199 432 constant force normal to the circle.;
+#X text 230 429 constant force normal to the circle.;
 #X msg 103 413 setFN 0;
 #X obj 20 632 iCircle3D;
-#X text 176 170 2 : X coordonate of the orientation vector of the circle
-;
-#X text 175 195 3 : Y coordonate of the orientation vector of the circle
-;
-#X text 209 237 normal vector of the circle;
+#X text 227 235 normal vector of the circle;
 #X msg 108 255 setX 0;
 #X msg 107 280 setY 0;
 #X msg 107 303 setZ 0;
-#X text 175 255 5 : center circle X;
-#X text 175 279 6 : center circle Y;
-#X text 174 304 7 : center circle Z;
 #X msg 105 171 setVX 0;
 #X msg 105 196 setVY 0;
 #X msg 107 218 setVZ 0;
-#X text 199 318 center of the circle;
-#X text 176 332 8 : Minimum Radius;
-#X text 176 355 9 : Maximum Radius;
-#X text 171 415 10 : constante Normal Force;
-#X text 170 448 11 : normal rigidity;
-#X text 176 219 4 : Z coordonate of the orientation vector of the circle
-;
+#X text 229 318 center of the circle;
+#X text 206 332 8 : Minimum Radius;
+#X text 206 355 9 : Maximum Radius;
 #X msg 104 448 setKN 0;
-#X text 168 493 12 : damping;
-#X text 199 509 normal (to the circle plane) damping to the masses.
+#X text 229 509 normal (to the circle plane) damping to the masses.
 ;
 #X msg 104 493 setD 0;
-#X text 170 560 14 : Normal constant displacement;
+#X text 200 560 14 : Normal constant displacement;
 #X msg 103 558 setdN 0;
 #X msg 104 589 setdKN 0;
-#X text 170 532 13 : maximum profound of the circle interaction;
-#X text 168 642 this object is like iPlane3D \, but it's action is
-more limited in space.;
 #X msg 104 532 setPmax 10000;
-#X text 179 41 This object sould be used for the simulation of interaction
-between a collection of masses and a circle;
-#X text 201 466 Force is proportional to the distance between the mass
+#X text 73 73 message to change parameter / default value / creation
+arg number / description;
+#X text 230 122 this is the name of the mass interacting with this
+object. you can also connect the output of this object to a mass \,
+to allow an interaction with this mass.;
+#X text 206 170 2 : X coordinate of the orientation vector of the circle
+;
+#X text 205 195 3 : Y coordinate of the orientation vector of the circle
+;
+#X text 206 219 4 : Z coordinate of the orientation vector of the circle
+;
+#X text 230 370 minimal and maximal radius of the circle. If the mass
+is outside or inside this circle \, it will not interact with this
+link.;
+#X text 179 34 This object should be used for the simulation of interaction
+between a collection of masses and a circle.;
+#X text 207 107 1 : Name;
+#X text 205 255 5 : Center circle X;
+#X text 204 304 7 : Center circle Z;
+#X text 205 279 6 : Center circle Y;
+#X text 201 415 10 : Constant Normal Force;
+#X text 199 448 11 : Normal rigidity;
+#X text 227 464 force is proportional to the distance between the mass
 and the circle plane.;
-#X text 171 589 15 : displace the mass proportionaly to it's depth
-of the mass in the interactor;
-#X connect 4 0 9 0;
-#X connect 5 0 9 0;
-#X connect 8 0 9 0;
-#X connect 13 0 9 0;
-#X connect 14 0 9 0;
-#X connect 15 0 9 0;
-#X connect 19 0 9 0;
-#X connect 20 0 9 0;
-#X connect 21 0 9 0;
-#X connect 28 0 9 0;
-#X connect 31 0 9 0;
-#X connect 33 0 9 0;
-#X connect 34 0 9 0;
-#X connect 37 0 9 0;
+#X text 198 493 12 : Damping;
+#X text 200 532 13 : Maximum depth of the circle interaction;
+#X text 201 589 15 : Displaces the mass proportionally to the depth
+of the mass in the interactor.;
+#X text 200 638 This object is like iPlane3D \, but its action is more
+limited in space.;
+#X connect 1 0 5 0;
+#X connect 2 0 5 0;
+#X connect 4 0 5 0;
+#X connect 7 0 5 0;
+#X connect 8 0 5 0;
+#X connect 9 0 5 0;
+#X connect 10 0 5 0;
+#X connect 11 0 5 0;
+#X connect 12 0 5 0;
+#X connect 16 0 5 0;
+#X connect 18 0 5 0;
+#X connect 20 0 5 0;
+#X connect 21 0 5 0;
+#X connect 22 0 5 0;
diff --git a/iCylinder3D-help.pd b/iCylinder3D-help.pd
index 62317f8..6682012 100644
--- a/iCylinder3D-help.pd
+++ b/iCylinder3D-help.pd
@@ -1,89 +1,89 @@
-#N canvas 758 81 610 896 10;
+#N canvas 573 77 610 795 10;
 #X text 276 10 Cylinder interaction;
-#X text 166 610 15 : minimum height of the cylinder interaction;
-#X text 168 641 16 : minimum height of the cylinder interaction;
-#X text 167 670 17 : tengential constant force;
-#X text 167 695 18 : tangential rigidity;
-#X text 168 727 19 : normal constant displacement;
-#X text 167 757 20 : tangential constant displacement;
-#X text 166 786 21 : normal displacement proportional to 1/R;
-#X text 166 812 22 : tangential displacement proportional to 1/R;
-#X text 175 118 1 : name;
-#X text 121 76 message to change parametter / default value / creation
-arg number / description;
-#X text 196 136 this is the name of the mass interacting with this
-object. you can also conect the output of this object to a mass \,
-to allow an interaction with this mass.;
 #X msg 81 343 setRmin 0;
 #X msg 82 366 setRmax 1;
-#X text 198 385 minimal and maximal radius of the circle. If the mass
+#X text 209 380 minimal and maximal radius of the circle. If the mass
 is outside or inside this circles \, it will not interact with this
 link.;
 #X msg 80 424 setFN 0;
-#X text 174 181 2 : X coordonate of the orientation vector of the circle
-;
-#X text 173 206 3 : Y coordonate of the orientation vector of the circle
-;
-#X text 207 248 normal vector of the circle;
+#X text 207 242 normal vector of the circle;
 #X msg 85 266 setX 0;
 #X msg 84 291 setY 0;
 #X msg 84 314 setZ 0;
 #X msg 82 182 setVX 0;
 #X msg 83 207 setVY 0;
 #X msg 84 229 setVZ 0;
-#X text 197 329 center of the circle;
-#X text 174 343 8 : Minimum Radius;
-#X text 174 366 9 : Maximum Radius;
-#X text 169 426 10 : constante Normal Force;
-#X text 168 459 11 : normal rigidity;
-#X text 174 230 4 : Z coordonate of the orientation vector of the circle
-;
+#X text 207 323 center of the circle;
+#X text 184 345 8 : Minimum Radius;
+#X text 184 366 9 : Maximum Radius;
 #X msg 81 459 setKN 0;
-#X text 166 504 12 : damping;
 #X msg 81 504 setD 0;
 #X msg 78 731 setdN 0;
 #X obj 9 866 iCylinder3D;
-#X text 173 266 5 : center X;
-#X text 173 290 6 : center Y;
-#X text 172 315 7 : center Z;
-#X text 197 443 constant force normal to the cylinder.;
-#X text 197 520 normal (to the cylinder surface) damping to the masses.
+#X text 209 440 constant force normal to the cylinder.;
+#X text 205 516 normal (to the cylinder surface) damping to the masses.
 ;
-#X text 166 536 13 : Normal force proportional to 1/distance to the
-center of the cylinder;
 #X msg 78 610 setPmin -10000;
 #X msg 80 639 setPmax 10000;
 #X msg 78 756 setdT 0;
-#X text 166 574 14 : Normal force proportional to 1/square(distance)
-to the center of the cylinder;
 #X msg 80 670 setFN 0;
 #X msg 81 705 setKN 0;
 #X msg 82 575 setG 0;
 #X msg 83 538 setRN 0;
 #X msg 77 782 setdKN 0;
 #X msg 77 807 setdKT 0;
-#X text 177 39 This object sould be used for the simulation of interaction
+#X text 177 39 This object should be used for the simulation of interaction
 between a collection of masses and a cylinder;
-#X text 199 477 Force is proportional to the distance between the mass
-and the cylindre center.;
-#X connect 12 0 35 0;
-#X connect 13 0 35 0;
-#X connect 15 0 35 0;
-#X connect 19 0 35 0;
-#X connect 20 0 35 0;
-#X connect 21 0 35 0;
-#X connect 22 0 35 0;
-#X connect 23 0 35 0;
-#X connect 24 0 35 0;
-#X connect 31 0 35 0;
-#X connect 33 0 35 0;
-#X connect 34 0 35 0;
-#X connect 42 0 35 0;
-#X connect 43 0 35 0;
-#X connect 44 0 35 0;
-#X connect 46 0 35 0;
-#X connect 47 0 35 0;
-#X connect 48 0 35 0;
-#X connect 49 0 35 0;
-#X connect 50 0 35 0;
-#X connect 51 0 35 0;
+#X text 121 76 message to change parameter / default value / creation
+arg number / description;
+#X text 206 132 this is the name of the mass interacting with this
+object. you can also connect the output of this object to a mass \,
+to allow an interaction with this mass.;
+#X text 184 181 2 : X coordinate of the orientation vector of the circle
+;
+#X text 183 206 3 : Y coordinate of the orientation vector of the circle
+;
+#X text 184 230 4 : Z coordinate of the orientation vector of the circle
+;
+#X text 183 118 1 : Name;
+#X text 183 266 5 : Center X;
+#X text 183 290 6 : Center Y;
+#X text 182 312 7 : Center Z;
+#X text 179 426 10 : Constant Normal Force;
+#X text 178 459 11 : Normal rigidity;
+#X text 208 474 force is proportional to the distance between the mass
+and the cylinder center.;
+#X text 176 504 12 : Damping;
+#X text 176 537 13 : Normal force proportional to 1/distance to the
+center of the cylinder.;
+#X text 176 574 14 : Normal force proportional to 1/square(distance)
+to the center of the cylinder.;
+#X text 176 610 15 : Minimum height of the cylinder interaction;
+#X text 178 641 16 : Minimum height of the cylinder interaction;
+#X text 177 670 17 : Tangential constant force;
+#X text 177 695 18 : Tangential rigidity;
+#X text 178 727 19 : Normal constant displacement;
+#X text 177 757 20 : Tangential constant displacement;
+#X text 176 786 21 : Normal displacement proportional to 1/R;
+#X text 176 812 22 : Tangential displacement proportional to 1/R;
+#X connect 1 0 18 0;
+#X connect 2 0 18 0;
+#X connect 4 0 18 0;
+#X connect 6 0 18 0;
+#X connect 7 0 18 0;
+#X connect 8 0 18 0;
+#X connect 9 0 18 0;
+#X connect 10 0 18 0;
+#X connect 11 0 18 0;
+#X connect 15 0 18 0;
+#X connect 16 0 18 0;
+#X connect 17 0 18 0;
+#X connect 21 0 18 0;
+#X connect 22 0 18 0;
+#X connect 23 0 18 0;
+#X connect 24 0 18 0;
+#X connect 25 0 18 0;
+#X connect 26 0 18 0;
+#X connect 27 0 18 0;
+#X connect 28 0 18 0;
+#X connect 29 0 18 0;
diff --git a/iLine2D-help.pd b/iLine2D-help.pd
index 0d3967c..e4cd9a1 100644
--- a/iLine2D-help.pd
+++ b/iLine2D-help.pd
@@ -1,14 +1,6 @@
-#N canvas 506 175 589 636 10;
-#X text 175 273 6 : maximum depth (1);
-#X text 266 11 interaction with a line;
-#X text 169 513 12 : Normal displacement;
-#X text 169 544 13 : tengential displacement;
-#X text 177 107 1 : name;
-#X text 123 74 message to change parametter / default value / creation
-arg number / description;
-#X text 198 125 this is the name of the mass interacting with this
-object. you can also conect the output of this object to a mass \,
-to allow an interaction with this mass.;
+#N canvas 515 175 676 636 10;
+#X text 265 5 interaction with a line;
+#X text 179 513 12 : Normal displacement;
 #X msg 108 303 setFN 0;
 #X msg 110 383 setKN 0;
 #X msg 108 512 setdN 0;
@@ -17,41 +9,49 @@ to allow an interaction with this mass.;
 #X msg 107 240 setY2 0;
 #X msg 105 169 setX1 -1;
 #X msg 106 217 setX2 1;
-#X text 176 169 2 : X coordonate of the the 1st point of the line;
-#X text 176 193 3 : Y coordonate of the the 1st point of the line;
-#X text 176 216 4 : X coordonate of the the 2nd point of the line;
-#X text 176 240 5 : Y coordonate of the the 2nd point of the line;
 #X msg 107 273 setPmax 1;
-#X text 201 257 X and Y position of the 2 points defining the line.
+#X text 211 257 X and Y position of the 2 points defining the line.
 ;
-#X text 199 288 maximum depth of the interaction line.;
-#X text 175 305 7 : Normal constant force;
-#X text 175 325 8 : tengential constant force;
-#X text 174 383 9 : normal rigidity;
-#X text 168 445 10 : Normal damping;
-#X text 168 471 11 : Tengential damping;
+#X text 209 288 maximum depth of the interaction line.;
+#X text 185 305 7 : Normal constant force;
+#X text 178 445 10 : Normal damping;
 #X msg 109 327 setFT 0;
 #X msg 109 445 setDN 0;
-#X text 199 489 normal and tangential damping for the masse.;
 #X msg 109 472 setDT 0;
 #X msg 107 543 setdT 0;
-#X text 198 564 displace the mass when it is in the interactor field
-;
-#X text 163 39 This object sould be used for the simulation of interaction
+#X text 163 31 This object should be used for the simulation of interaction
 between a collection of masses and a line.;
-#X text 199 347 normal and tangential (to the line) constant forces
-apply to the mass when it is in interaction with this object.;
-#X text 199 397 normal rigidity. Forces are proportional to the depth
-between the mass and the line. The force is aply only to one side of
-the line.;
-#X connect 7 0 10 0;
-#X connect 8 0 10 0;
-#X connect 9 0 10 0;
-#X connect 11 0 10 0;
-#X connect 12 0 10 0;
-#X connect 13 0 10 0;
-#X connect 14 0 10 0;
-#X connect 19 0 10 0;
-#X connect 28 0 10 0;
-#X connect 30 0 10 0;
-#X connect 31 0 10 0;
+#X text 51 74 message to change parameter / default value / creation
+arg number / description;
+#X text 208 397 normal rigidity. Forces are proportional to the depth
+between the mass and the line. The force is applied only to one side
+of the line.;
+#X text 187 107 1 : Name;
+#X text 186 169 2 : X coordinate of the the 1st point of the line;
+#X text 186 193 3 : Y coordinate of the the 1st point of the line;
+#X text 186 216 4 : X coordinate of the the 2nd point of the line;
+#X text 186 240 5 : Y coordinate of the the 2nd point of the line;
+#X text 185 273 6 : Maximum depth (1);
+#X text 185 325 8 : Tangential constant force;
+#X text 210 342 normal and tangential (to the line) constant forces
+applied to the mass when it is in interaction with this object.;
+#X text 184 383 9 : Normal rigidity;
+#X text 178 471 11 : Tangential damping;
+#X text 209 487 normal and tangential damping for the mass.;
+#X text 179 544 13 : Tangential displacement;
+#X text 208 564 displaces the mass when it is in the interactor field.
+;
+#X text 208 124 this is the name of the mass interacting with this
+object. you can also connect the output of this object to a mass to
+allow an interaction with this mass.;
+#X connect 2 0 5 0;
+#X connect 3 0 5 0;
+#X connect 4 0 5 0;
+#X connect 6 0 5 0;
+#X connect 7 0 5 0;
+#X connect 8 0 5 0;
+#X connect 9 0 5 0;
+#X connect 10 0 5 0;
+#X connect 16 0 5 0;
+#X connect 17 0 5 0;
+#X connect 18 0 5 0;
diff --git a/iPlane3D-help.pd b/iPlane3D-help.pd
index 03e1e31..057f90f 100644
--- a/iPlane3D-help.pd
+++ b/iPlane3D-help.pd
@@ -1,21 +1,9 @@
-#N canvas 2 81 610 587 10;
-#X text 174 327 8 : constante Normal Force;
-#X text 175 353 9 : normal rigidity;
-#X text 166 405 10 : normal damping;
-#X text 161 463 12 : normal displacement;
-#X text 174 258 5 : X point of the plane;
-#X text 173 281 6 : Y point of the plane;
-#X text 173 304 7 : Z point of the plane;
-#X text 162 491 13 : dormal displacement (proportional to the pronfondary
-of the point);
-#X text 175 107 1 : name;
-#X text 121 74 message to change parametter / default value / creation
-arg number / description;
-#X text 196 125 this is the name of the mass interacting with this
-object. you can also conect the output of this object to a mass \,
-to allow an interaction with this mass.;
+#N canvas 493 187 610 587 10;
+#X text 204 258 5 : X point of the plane;
+#X text 203 281 6 : Y point of the plane;
+#X text 203 304 7 : Z point of the plane;
 #X msg 95 327 setFN 0;
-#X text 207 237 normal vector of the circle;
+#X text 237 237 normal vector of the circle;
 #X msg 96 255 setX 0;
 #X msg 95 280 setY 0;
 #X msg 95 303 setZ 0;
@@ -27,28 +15,40 @@ to allow an interaction with this mass.;
 #X msg 95 433 setPmax 10000;
 #X msg 94 462 setdN 0;
 #X msg 95 493 setdKN 0;
-#X text 283 12 Plane interaction;
+#X text 281 7 Plane interaction;
 #X obj 21 521 iPlane3D;
-#X text 174 170 2 : X coordonate of the orientation vector of the plane
+#X text 177 34 This object should be used for the simulation of interaction
+between a collection of masses and a plane;
+#X text 66 75 message to change parameter / default value / creation
+arg number / description;
+#X text 204 170 2 : X coordinate of the orientation vector of the plane
 ;
-#X text 173 195 3 : Y coordonate of the orientation vector of the plane
+#X text 203 195 3 : Y coordinate of the orientation vector of the plane
 ;
-#X text 174 219 4 : Z coordonate of the orientation vector of the plane
+#X text 204 219 4 : Z coordinate of the orientation vector of the plane
 ;
-#X text 162 433 11 : maximum profound of the circle interaction;
-#X text 196 376 Force is proportional to the distance between the mass
+#X text 205 107 1 : Name;
+#X text 204 328 8 : Constant Normal Force;
+#X text 204 354 9 : Normal rigidity;
+#X text 227 372 force is proportional to the distance between the mass
 and the circle plane.;
-#X text 177 41 This object sould be used for the simulation of interaction
-between a collection of masses and a plane;
-#X connect 11 0 25 0;
-#X connect 13 0 25 0;
-#X connect 14 0 25 0;
-#X connect 15 0 25 0;
-#X connect 16 0 25 0;
-#X connect 17 0 25 0;
-#X connect 18 0 25 0;
-#X connect 19 0 25 0;
-#X connect 20 0 25 0;
-#X connect 21 0 25 0;
-#X connect 22 0 25 0;
-#X connect 23 0 25 0;
+#X text 196 405 10 : Normal damping;
+#X text 196 433 11 : Maximum depth of the circle interaction;
+#X text 195 463 12 : Normal displacement;
+#X text 226 125 this is the name of the mass interacting with this
+object. you can also connect the output of this object to a mass to
+allow an interaction with this mass.;
+#X text 196 491 13 : Normal displacement (proportional to the depth
+of the point).;
+#X connect 3 0 17 0;
+#X connect 5 0 17 0;
+#X connect 6 0 17 0;
+#X connect 7 0 17 0;
+#X connect 8 0 17 0;
+#X connect 9 0 17 0;
+#X connect 10 0 17 0;
+#X connect 11 0 17 0;
+#X connect 12 0 17 0;
+#X connect 13 0 17 0;
+#X connect 14 0 17 0;
+#X connect 15 0 17 0;
diff --git a/iSeg2D-help.pd b/iSeg2D-help.pd
index 77e03a4..4a449d6 100644
--- a/iSeg2D-help.pd
+++ b/iSeg2D-help.pd
@@ -1,13 +1,5 @@
-#N canvas 376 182 579 646 10;
-#X text 175 273 6 : maximum depth (1);
-#X text 169 513 12 : Normal displacement;
-#X text 169 544 13 : tengential displacement;
-#X text 177 107 1 : name;
-#X text 123 74 message to change parametter / default value / creation
-arg number / description;
-#X text 198 125 this is the name of the mass interacting with this
-object. you can also conect the output of this object to a mass \,
-to allow an interaction with this mass.;
+#N canvas 388 182 619 646 10;
+#X text 189 513 12 : Normal displacement;
 #X msg 108 303 setFN 0;
 #X msg 110 383 setKN 0;
 #X msg 108 512 setdN 0;
@@ -16,48 +8,56 @@ to allow an interaction with this mass.;
 #X msg 105 169 setX1 -1;
 #X msg 106 217 setX2 1;
 #X msg 107 273 setPmax 1;
-#X text 175 305 7 : Normal constant force;
-#X text 175 325 8 : tengential constant force;
-#X text 174 383 9 : normal rigidity;
-#X text 168 445 10 : Normal damping;
-#X text 168 471 11 : Tengential damping;
+#X text 195 305 7 : Normal constant force;
+#X text 188 445 10 : Normal damping;
 #X msg 109 327 setFT 0;
 #X msg 109 445 setDN 0;
 #X msg 109 472 setDT 0;
 #X msg 107 543 setdT 0;
-#X text 198 564 displace the mass when it is in the interactor field
-;
-#X text 266 11 interaction with a segment;
-#X text 135 596 this object is like iLine2D \, but the action is more
+#X text 262 5 interaction with a segment;
+#X text 155 596 this object is like iLine2D \, but the action is more
 limited in space;
 #X obj 17 577 iSeg2D;
-#X text 177 169 2 : X coordonate of the the 1st point of the segment
+#X text 221 257 X and Y position of the 2 points defining the segment.
+;
+#X text 218 285 maximum depth of the interaction segment.;
+#X text 220 485 normal and tangential damping for the mass.;
+#X text 219 337 normal and tangential (to the segment) constant forces
+apply to the mass when it is in interaction with this object.;
+#X text 163 31 This object should be used for the simulation of interaction
+between a collection of masses and a segment.;
+#X text 38 74 message to change parameter / default value / creation
+arg number / description;
+#X text 197 169 2 : X coordinate of the the 1st point of the segment
 ;
-#X text 176 193 3 : Y coordonate of the the 1st point of the segment
+#X text 196 193 3 : Y coordinate of the the 1st point of the segment
 ;
-#X text 176 216 4 : X coordonate of the the 2nd point of the segment
+#X text 196 216 4 : X coordinate of the the 2nd point of the segment
 ;
-#X text 176 240 5 : Y coordonate of the the 2nd point of the segment
+#X text 196 240 5 : Y coordinate of the the 2nd point of the segment
 ;
-#X text 201 257 X and Y position of the 2 points defining the segment.
+#X text 217 397 normal rigidity. Forces are proportional to the depth
+between the mass and the line. The force is applied only to one side
+of the line.;
+#X text 188 471 11 : Tangential damping;
+#X text 188 544 13 : Tangential displacement;
+#X text 218 559 displaces the mass when it is in the interactor field
 ;
-#X text 199 288 maximum depth of the interaction segment.;
-#X text 163 39 This object sould be used for the simulation of interaction
-between a collection of masses and a segment.;
-#X text 199 397 normal rigidity. Forces are proportional to the depth
-between the mass and the line. The force is aply only to one side of
-the line.;
-#X text 199 489 normal and tangential damping for the mass.;
-#X text 199 347 normal and tangential (to the segment) constant forces
-apply to the mass when it is in interaction with this object.;
-#X connect 6 0 26 0;
-#X connect 7 0 26 0;
-#X connect 8 0 26 0;
-#X connect 9 0 26 0;
-#X connect 10 0 26 0;
-#X connect 11 0 26 0;
-#X connect 12 0 26 0;
-#X connect 13 0 26 0;
-#X connect 20 0 26 0;
-#X connect 21 0 26 0;
-#X connect 22 0 26 0;
+#X text 194 383 9 : Normal rigidity;
+#X text 195 325 8 : Tangential constant force;
+#X text 195 273 6 : Maximum depth (1);
+#X text 197 107 1 : Name;
+#X text 221 119 this is the name of the mass interacting with this
+object. you can also connect the output of this object to a mass to
+allow an interaction with this mass.;
+#X connect 1 0 17 0;
+#X connect 2 0 17 0;
+#X connect 3 0 17 0;
+#X connect 4 0 17 0;
+#X connect 5 0 17 0;
+#X connect 6 0 17 0;
+#X connect 7 0 17 0;
+#X connect 8 0 17 0;
+#X connect 12 0 17 0;
+#X connect 13 0 17 0;
+#X connect 14 0 17 0;
diff --git a/iSphere3D-help.pd b/iSphere3D-help.pd
index f1eddaf..252d70d 100644
--- a/iSphere3D-help.pd
+++ b/iSphere3D-help.pd
@@ -1,15 +1,5 @@
-#N canvas 35 81 614 708 10;
-#X text 247 6 Spherical interaction;
-#X text 181 182 2 : X coordonate of the center of the sphere;
-#X text 170 555 13 : constant displacement normal to the circle. (0)
-;
-#X text 171 486 11 : normal constant displacement;
-#X text 175 118 1 : name;
-#X text 121 76 message to change parametter / default value / creation
-arg number / description;
-#X text 196 136 this is the name of the mass interacting with this
-object. you can also conect the output of this object to a mass \,
-to allow an interaction with this mass.;
+#N canvas 473 146 614 708 10;
+#X text 261 4 Spherical interaction;
 #X msg 80 257 setRmin 0;
 #X msg 81 280 setRmax 1;
 #X msg 78 340 setFN 0;
@@ -21,46 +11,56 @@ to allow an interaction with this mass.;
 #X msg 80 182 setX 0;
 #X msg 79 207 setY 0;
 #X msg 79 230 setZ 0;
-#X text 179 208 3 : Y coordonate of the center of the sphere;
-#X text 178 233 4 : Z coordonate of the center of the sphere;
-#X text 177 258 5 : Minimum Radius;
-#X text 177 279 6 : Maximum Radius;
-#X text 203 297 minimal and maximal radius of the sphere. If the mass
+#X text 178 258 5 : Minimum Radius;
+#X text 178 279 6 : Maximum Radius;
+#X text 202 292 minimal and maximal radius of the sphere. If the mass
 is outside or inside this sphere \, it will not interact with this
 link.;
-#X text 204 356 constant force normal to the sphere.;
-#X text 175 338 7 : constante Normal Force;
-#X text 175 377 8 : normal rigidity;
-#X text 173 456 10 : damping;
+#X text 200 350 constant force normal to the sphere.;
 #X msg 78 457 setDN 0;
 #X msg 79 553 setdKN 0;
 #X msg 78 620 setdGN 0;
 #X msg 79 425 setFRN;
-#X text 171 580 14 : normal displacement proportional to 1/distance
-between the mass and the sphere.;
-#X text 177 39 This object sould be used for the simulation of interaction
-between a collection of masses and a Sphere;
-#X text 169 615 15 : normal displacement proportional to 1/sqare(distance)
-between the mass and the sphere.;
-#X text 172 517 12 : normal force proportional to 1/sqare(distance)
-between the mass and the sphere.;
-#X text 204 396 Force is proportional to the distance between the mass
+#X text 204 468 normal (to the sphere surface) damping to the mass
+;
+#X text 64 71 message to change parameter / default value / creation
+arg number / description;
+#X text 181 182 2 : X coordinate of the center of the sphere;
+#X text 180 208 3 : Y coordinate of the center of the sphere;
+#X text 179 233 4 : Z coordinate of the center of the sphere;
+#X text 177 117 1 : Name;
+#X text 201 132 this is the name of the mass interacting with this
+object. you can also connect the output of this object to a mass to
+allow an interaction with this mass.;
+#X text 199 391 force is proportional to the distance between the mass
 and the sphere center.;
-#X text 178 423 9 : normal forces proportional to 1/distance between
+#X text 176 338 7 : Constant Normal Force;
+#X text 176 377 8 : Normal rigidity;
+#X text 179 423 9 : Normal forces proportional to 1/distance between
 the mass and the sphere.;
-#X text 204 471 normal (to the sphere surface) damping to the mass
+#X text 176 457 10 : Damping;
+#X text 174 487 11 : Normal constant displacement;
+#X text 175 518 12 : Normal force proportional to 1/sqare(distance)
+between the mass and the sphere.;
+#X text 173 556 13 : Constant displacement normal to the circle. (0)
 ;
-#X connect 7 0 14 0;
-#X connect 8 0 14 0;
-#X connect 9 0 14 0;
-#X connect 10 0 14 0;
-#X connect 11 0 14 0;
-#X connect 12 0 14 0;
-#X connect 13 0 14 0;
-#X connect 15 0 14 0;
-#X connect 16 0 14 0;
-#X connect 17 0 14 0;
-#X connect 27 0 14 0;
-#X connect 28 0 14 0;
-#X connect 29 0 14 0;
-#X connect 30 0 14 0;
+#X text 174 581 14 : Normal displacement proportional to 1/distance
+between the mass and the sphere.;
+#X text 172 616 15 : Normal displacement proportional to 1/square(distance)
+between the mass and the sphere.;
+#X text 175 31 This object should be used for the simulation of interaction
+between a collection of masses and a Sphere.;
+#X connect 1 0 8 0;
+#X connect 2 0 8 0;
+#X connect 3 0 8 0;
+#X connect 4 0 8 0;
+#X connect 5 0 8 0;
+#X connect 6 0 8 0;
+#X connect 7 0 8 0;
+#X connect 9 0 8 0;
+#X connect 10 0 8 0;
+#X connect 11 0 8 0;
+#X connect 16 0 8 0;
+#X connect 17 0 8 0;
+#X connect 18 0 8 0;
+#X connect 19 0 8 0;
diff --git a/link-help.pd b/link-help.pd
index a5ee327..2a079a4 100644
--- a/link-help.pd
+++ b/link-help.pd
@@ -1,5 +1,5 @@
-#N canvas 331 134 656 710 10;
-#N canvas 85 7 622 478 physical 0;
+#N canvas 346 134 656 710 10;
+#N canvas 88 77 622 478 physical 0;
 #X text 23 268 Generated force is the sum of 3 differents forces :
 ;
 #X text 102 142 eL[t] = L[t] - L[0];
@@ -23,66 +23,44 @@ positions of Masses (M1 \, M2) :;
 #X restore 239 679 pd physical equations;
 #X text 217 593 value range :;
 #X text 260 13 link between 2 masses;
-#X text 88 562 1 : force to apply to mass 1 (float);
+#X text 71 562 1 : force to apply to mass 1 (float);
 #X text 89 530 2 : force to apply to mass 2 (float);
-#X text 257 381 if the size of the link is < Lmin then force of the
-link will be null;
-#X text 263 432 if the size of the link is > Lmax then force of the
-link will be null;
-#X text 242 622 K \, D \, D2 are positive. Negative values make strange
-(non physical) things. High values can cause numerical instability.
-;
 #X obj 25 501 link;
-#X text 127 471 2 : position of mass 2 (float);
+#X text 130 471 2 : position of mass 2 (float);
 #X floatatom 25 562 5 0 0 0 - - -;
-#X floatatom 44 529 5 0 0 0 - - -;
-#X text 225 68 1 : name;
+#X floatatom 46 529 5 0 0 0 - - -;
 #X floatatom 93 471 5 0 0 0 - - -;
 #X msg 105 125 setL 0;
 #X msg 105 154 setK 0;
 #X msg 105 184 setD 0;
 #X msg 104 214 setD2 0;
-#X text 226 122 2 : Lenght;
-#X text 250 139 change Length of the link;
-#X text 226 153 3 : rigidity;
-#X text 249 168 change rigidity;
-#X text 230 238 change position of mass 1;
 #X msg 106 265 bang;
-#X text 228 258 compute and output forces \, according to the last
-masses positions;
 #X msg 107 291 reset;
 #X msg 109 316 resetF;
 #X msg 109 338 resetL;
 #X msg 110 366 setLmin 0;
-#X text 229 185 4 : Damping of the link deformation;
-#X text 231 214 5 : Damping of the masses speed;
+#X text 225 185 4 : Damping of the link deformation;
+#X text 225 214 5 : Damping of the masses speed;
 #X obj 105 240 0;
-#X text 227 288 reset position of masses and set speed of the link
-to zero;
-#X text 230 314 reset damping and inertial force of the link.;
-#X text 228 339 set the length of the liaison to it's curent lengh
-;
-#X text 234 363 set the minimum size of the link;
-#X text 233 416 set the maximum size of the link;
 #X msg 110 416 setLmax 10000;
 #X text 250 84 you can use it in pd to send messages / bang / etc to
 the lia. this is for simplifying connection.;
-#N canvas 292 12 556 402 Lmin 0;
+#N canvas 295 77 556 402 Lmin 0;
 #X text 23 14 Lmin and Lmax are useful for non-linear links;
-#X text 24 42 If the length of the link is < Lmin then force of the
-link will be null;
-#X text 24 86 If the length of the link is > Lmax then force of the
-link will be null;
 #X text 13 137 Case Lmin = 0 and Lmax = 10 :;
 #X text 38 163 At L = 0 \, links can break (a bit like a magnet.);
 #X text 38 183 At L = 10 \, this is a repulsive-only link useful for
 interaction between two structures.;
 #X text 12 237 Case Lmin = 10 and Lmax = very positive :;
 #X text 38 262 At L = 10 \, this is an attractive link only;
+#X text 24 42 If the length of the link is < Lmin then the force of
+the link will be null;
+#X text 24 86 If the length of the link is > Lmax then the force of
+the link will be null;
 #X text 13 304 note : D2 is damping associated with the mass but not
-the link. So it's not affected by Lmin and Lmax;
+with the link. So it's not affected by Lmin and Lmax;
 #X restore 477 456 pd Lmin Lmax exemple;
-#N canvas 0 0 231 186 name 0;
+#N canvas 6 105 231 186 name 0;
 #X obj 23 6 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 -1
 ;
 #X obj 23 27 s lia_foo;
@@ -93,20 +71,41 @@ the link. So it's not affected by Lmin and Lmax;
 #X connect 0 0 1 0;
 #X connect 2 0 4 0;
 #X connect 5 0 3 0;
-#X restore 496 117 pd name example;
-#X text 138 33 link : get position of masses \, output forces to apply
+#X restore 509 106 pd name example;
+#X text 226 122 2 : Length;
+#X text 226 377 if the size of the link is < Lmin then the force of
+the link will be null;
+#X text 225 428 if the size of the link is > Lmax then the force of
+the link will be null;
+#X text 242 622 K \, D \, D2 are positive. Negative values produce
+strange (non physical) behaviours. High values can cause numerical
+instability.;
+#X text 226 153 3 : Rigidity;
+#X text 248 135 changes Length of the link;
+#X text 249 168 changes rigidity;
+#X text 230 236 changes position of mass 1;
+#X text 228 258 computes and outputs forces \, according to the last
+masses positions;
+#X text 227 288 resets position of masses and sets speed of the link
+to zero;
+#X text 226 313 resets damping and inertial force of the link.;
+#X text 226 339 sets the length of the link to its current length;
+#X text 227 363 sets the minimum size of the link;
+#X text 226 413 sets the maximum size of the link;
+#X text 225 68 1 : Name;
+#X text 138 37 link : get position of masses \, output forces to apply.
 ;
-#X connect 8 0 10 0;
-#X connect 8 1 11 0;
-#X connect 13 0 8 1;
-#X connect 14 0 8 0;
-#X connect 15 0 8 0;
-#X connect 16 0 8 0;
-#X connect 17 0 8 0;
-#X connect 23 0 8 0;
-#X connect 25 0 8 0;
-#X connect 26 0 8 0;
-#X connect 27 0 8 0;
-#X connect 28 0 8 0;
-#X connect 31 0 8 0;
-#X connect 37 0 8 0;
+#X connect 5 0 7 0;
+#X connect 5 1 8 0;
+#X connect 9 0 5 1;
+#X connect 10 0 5 0;
+#X connect 11 0 5 0;
+#X connect 12 0 5 0;
+#X connect 13 0 5 0;
+#X connect 14 0 5 0;
+#X connect 15 0 5 0;
+#X connect 16 0 5 0;
+#X connect 17 0 5 0;
+#X connect 18 0 5 0;
+#X connect 21 0 5 0;
+#X connect 22 0 5 0;
diff --git a/link2D-help.pd b/link2D-help.pd
index daf29b2..52b87e4 100644
--- a/link2D-help.pd
+++ b/link2D-help.pd
@@ -1,66 +1,65 @@
-#N canvas 0 0 673 682 10;
-#X text 250 618 forces depend of the physicals properies of the liaison
-;
-#X text 226 36 link2D : get position of masses \, output forces;
-#X text 260 13 link between 2 masses;
-#X text 224 593 1 : force to apply to mass 1 (float);
-#X text 224 566 2 : force to apply to mass 2 (float);
-#X text 251 389 if the size of the link is < Lmin then force of the
-link will be null;
-#X text 257 440 if the size of the link is > Lmax then force of the
-link will be null;
-#X text 225 68 1 : name;
+#N canvas 340 121 673 719 10;
+#X text 282 7 link between 2 masses;
+#X text 126 593 1 : force to apply to mass 1 (float);
+#X text 158 563 2 : force to apply to mass 2 (float);
 #X msg 105 125 setL 0;
 #X msg 105 154 setK 0;
 #X msg 105 184 setD 0;
 #X msg 104 214 setD2 0;
-#X text 226 122 2 : Lenght;
-#X text 250 139 change Length of the link;
-#X text 226 153 3 : rigidity;
-#X text 249 168 change rigidity;
-#X text 230 238 change position of mass 1;
 #X msg 104 270 bang;
-#X text 229 266 compute and output forces \, according to the last
-masses positions;
 #X msg 106 300 reset;
 #X msg 105 326 resetF;
 #X msg 105 350 resetL;
 #X msg 104 374 setLmin 0;
-#X text 229 185 4 : Damping of the link deformation;
-#X text 231 214 5 : Damping of the masses speed;
-#X text 226 297 reset position of masses and set speed of the link
-to zero;
-#X text 226 324 reset damping and inertial force of the link.;
-#X text 224 351 set the length of the liaison to it's curent lengh
-;
-#X text 228 371 set the minimum size of the link;
-#X text 227 424 set the maximum size of the link;
+#X text 249 185 4 : Damping of the link deformation;
+#X text 250 214 5 : Damping of the masses speed;
 #X msg 104 424 setLmax 10000;
-#X text 250 84 you can use it in pd to send messages / bang / etc to
+#X text 272 84 you can use it in pd to send messages / bang / etc to
 the lia. this is for simplifying connection.;
 #X obj 33 536 link2D;
 #X msg 103 238 position2D $f1 $f2;
 #X msg 102 508 position2D $f1 $f2;
-#X text 224 508 position of mass 2;
+#X text 244 508 position of mass 2;
 #X obj 64 563 unpack s f f;
 #X obj 33 591 unpack s f f;
-#X text 130 635 this object is a 3D version of link. more exemple can
+#X text 131 647 this object is a 3D version of link. more exemple can
 be find in the link help;
 #X msg 104 475 setM 1;
-#X text 227 472 change mucle force : a muscle can change the link size
-(link size = muscle * lenght);
-#X connect 8 0 32 0;
-#X connect 9 0 32 0;
-#X connect 10 0 32 0;
-#X connect 11 0 32 0;
-#X connect 17 0 32 0;
-#X connect 19 0 32 0;
-#X connect 20 0 32 0;
-#X connect 21 0 32 0;
-#X connect 22 0 32 0;
-#X connect 30 0 32 0;
-#X connect 32 0 37 0;
-#X connect 32 1 36 0;
-#X connect 33 0 32 0;
-#X connect 34 0 32 1;
-#X connect 39 0 32 0;
+#X text 248 122 2 : Length;
+#X text 244 385 if the size of the link is < Lmin then the force of
+the link will be null;
+#X text 242 436 if the size of the link is > Lmax then the force of
+the link will be null;
+#X text 150 609 forces depend of the physicals properies of the link
+;
+#X text 272 134 changes Length of the link;
+#X text 272 166 changes rigidity;
+#X text 248 153 3 : Rigidity;
+#X text 250 238 changes position of mass 1;
+#X text 249 266 computes and outputs forces \, according to the last
+masses positions;
+#X text 246 297 resets position of masses and sets speed of the link
+to zero;
+#X text 246 324 resets damping and inertial force of the link.;
+#X text 245 351 sets the length of the link to its current length;
+#X text 245 372 sets the minimum size of the link;
+#X text 243 424 sets the maximum size of the link;
+#X text 244 473 changes muscle force : a muscle can change the link
+size (link size = muscle * lenght);
+#X text 247 68 1 : Name;
+#X text 217 31 link2D : get position of masses \, output forces.;
+#X connect 3 0 16 0;
+#X connect 4 0 16 0;
+#X connect 5 0 16 0;
+#X connect 6 0 16 0;
+#X connect 7 0 16 0;
+#X connect 8 0 16 0;
+#X connect 9 0 16 0;
+#X connect 10 0 16 0;
+#X connect 11 0 16 0;
+#X connect 14 0 16 0;
+#X connect 16 0 21 0;
+#X connect 16 1 20 0;
+#X connect 17 0 16 0;
+#X connect 18 0 16 1;
+#X connect 23 0 16 0;
diff --git a/link3D-help.pd b/link3D-help.pd
index 18a3a8e..c283246 100644
--- a/link3D-help.pd
+++ b/link3D-help.pd
@@ -1,45 +1,22 @@
-#N canvas 186 56 629 692 10;
-#X text 230 37 lia3D : get position of masses \, output force;
-#X text 133 637 this object is a 3D version of link. more exemple can
-be find in the link help;
+#N canvas 395 152 636 714 10;
 #X msg 67 511 position3D $f1 $f2 $f3;
-#X text 253 620 forces depend of the physicals properies of the liaison
-;
 #X text 260 13 link between 2 masses;
-#X text 227 595 1 : force to apply to mass 1 (float);
-#X text 227 568 2 : force to apply to mass 2 (float);
-#X text 251 389 if the size of the link is < Lmin then force of the
-link will be null;
-#X text 257 440 if the size of the link is > Lmax then force of the
-link will be null;
-#X text 225 68 1 : name;
+#X text 136 593 1 : force to apply to mass 1 (float);
+#X text 165 564 2 : force to apply to mass 2 (float);
+#X text 226 68 1 : name;
 #X msg 105 125 setL 0;
 #X msg 105 154 setK 0;
 #X msg 105 184 setD 0;
 #X msg 104 214 setD2 0;
-#X text 226 122 2 : Lenght;
-#X text 250 139 change Length of the link;
-#X text 226 153 3 : rigidity;
-#X text 249 168 change rigidity;
-#X text 230 238 change position of mass 1;
 #X msg 104 270 bang;
-#X text 229 266 compute and output forces \, according to the last
-masses positions;
 #X msg 106 300 reset;
 #X msg 105 326 resetF;
 #X msg 105 350 resetL;
 #X msg 104 374 setLmin 0;
-#X text 229 185 4 : Damping of the link deformation;
-#X text 231 214 5 : Damping of the masses speed;
-#X text 226 297 reset position of masses and set speed of the link
-to zero;
-#X text 226 324 reset damping and inertial force of the link.;
-#X text 224 351 set the length of the liaison to it's curent lengh
-;
-#X text 228 371 set the minimum size of the link;
-#X text 227 424 set the maximum size of the link;
+#X text 227 185 4 : Damping of the link deformation;
+#X text 227 214 5 : Damping of the masses speed;
 #X msg 104 424 setLmax 10000;
-#X text 250 84 you can use it in pd to send messages / bang / etc to
+#X text 251 84 you can use it in pd to send messages / bang / etc to
 the lia. this is for simplifying connection.;
 #X text 227 510 position of mass 2;
 #X obj 36 538 link3D;
@@ -47,20 +24,42 @@ the lia. this is for simplifying connection.;
 #X obj 67 565 unpack s f f f;
 #X obj 36 593 unpack s f f f;
 #X msg 104 475 setM 1;
-#X text 227 472 change mucle force : a muscle can change the link size
-(link size = muscle * lenght);
-#X connect 2 0 35 1;
-#X connect 10 0 35 0;
-#X connect 11 0 35 0;
-#X connect 12 0 35 0;
-#X connect 13 0 35 0;
-#X connect 19 0 35 0;
-#X connect 21 0 35 0;
-#X connect 22 0 35 0;
-#X connect 23 0 35 0;
-#X connect 24 0 35 0;
-#X connect 32 0 35 0;
-#X connect 35 0 38 0;
-#X connect 35 1 37 0;
-#X connect 36 0 35 0;
-#X connect 39 0 35 0;
+#X text 227 122 2 : Length;
+#X text 226 153 3 : Rigidity;
+#X text 250 134 changes Length of the link;
+#X text 249 166 changes rigidity;
+#X text 230 238 changes position of mass 1;
+#X text 229 266 computes and outputs forces \, according to the last
+masses positions;
+#X text 226 297 resets position of masses and sets speed of the link
+to zero;
+#X text 226 324 resets damping and inertial force of the link.;
+#X text 228 371 sets the minimum size of the link;
+#X text 227 351 sets the length of the link to its current length;
+#X text 228 383 if the size of the link is < Lmin then the force of
+the link will be null;
+#X text 229 424 sets the maximum size of the link;
+#X text 228 437 if the size of the link is > Lmax then the force of
+the link will be null;
+#X text 227 472 change muscle force : a muscle can change the link
+size (link size = muscle * lenght);
+#X text 159 607 forces depend of the physicals properies of the link
+;
+#X text 117 650 this object is a 3D version of link. more example can
+be find in the link help;
+#X text 230 37 lia3D : get position of masses \, output force.;
+#X connect 0 0 19 1;
+#X connect 5 0 19 0;
+#X connect 6 0 19 0;
+#X connect 7 0 19 0;
+#X connect 8 0 19 0;
+#X connect 9 0 19 0;
+#X connect 10 0 19 0;
+#X connect 11 0 19 0;
+#X connect 12 0 19 0;
+#X connect 13 0 19 0;
+#X connect 16 0 19 0;
+#X connect 19 0 22 0;
+#X connect 19 1 21 0;
+#X connect 20 0 19 0;
+#X connect 23 0 19 0;
diff --git a/mass-help.pd b/mass-help.pd
index 2fdd674..f526a1c 100644
--- a/mass-help.pd
+++ b/mass-help.pd
@@ -1,22 +1,13 @@
-#N canvas 596 214 695 631 10;
-#X text 153 80 M is positive. negative value give non physical things.
-;
-#X text 304 321 if the position of the masse is < Xmin then position
+#N canvas 544 163 695 674 10;
+#X text 302 319 if the position of the masse is < Xmin then position
 will be Xmin;
 #X msg 123 448 resetF;
 #X msg 124 417 reset;
-#X text 258 413 reset position (to it's initial value) and forces to
-zero. send it's position to it's outlet.;
 #X msg 124 356 bang;
 #X msg 122 483 loadbang;
-#X text 251 485 output curent position;
-#X text 262 353 compute position and output it;
-#X text 260 387 add force to this mass;
 #X msg 120 173 setM 1;
-#X text 261 117 1 : name;
-#X text 282 135 this is the name of the mass. you can set value to
+#X text 284 130 this is the name of the mass. you can set value to
 this name instead of making a pd connection.;
-#X text 156 23 mass : get liaison forces and output position;
 #X msg 120 283 setXmin -10000 \, setXmax 10000;
 #X msg 121 209 setX 0;
 #X obj 36 520 mass;
@@ -27,27 +18,36 @@ this name instead of making a pd connection.;
 #X text 260 324 Xmax;
 #X obj 124 386 0;
 #X text 317 6 mass;
-#X text 283 188 change weight of the mass;
 #X text 259 169 2 : M = weight of the mass;
-#X text 281 224 change position of the mass \, and reset memory (for
-history).;
-#X text 258 452 reset the total forces applied to the mass;
-#X text 152 37 the sum of the forces apply to a mass modifie its velocity
-(depending of it's weight). the position his change according to the
-velocity and the weight of the mass;
-#X text 259 208 3 : mass position;
-#X text 302 307 set the minimum and maximum position of the mass;
 #X text 97 553 X velocity of the mass;
-#X text 95 572 X force apply to the mass;
-#X text 95 590 X positin of the mass;
-#X connect 2 0 16 0;
-#X connect 3 0 16 0;
-#X connect 5 0 16 0;
-#X connect 6 0 16 0;
-#X connect 10 0 16 0;
-#X connect 14 0 16 0;
-#X connect 15 0 16 0;
-#X connect 16 0 17 0;
-#X connect 16 1 18 0;
-#X connect 16 2 19 0;
-#X connect 22 0 16 0;
+#X text 260 117 1 : Name;
+#X text 280 182 changes weight of the mass;
+#X text 259 208 3 : Mass position;
+#X text 281 221 changes position of the mass \, and resets memory (for
+history).;
+#X text 302 307 sets the minimum and maximum position of the mass;
+#X text 260 387 adds force to this mass;
+#X text 259 413 resets position (to its initial value) and forces to
+zero. send its position to its outlet.;
+#X text 258 452 resets the total forces applied to the mass;
+#X text 257 486 outputs current position;
+#X text 95 590 X position of the mass;
+#X text 96 572 X force applied to the mass;
+#X text 259 357 computes position and outputs it;
+#X text 152 23 mass : gets link forces and outputs position.;
+#X text 152 37 The sum of the forces applied to a mass modifies its
+velocity (depending on its weight). The position is changed according
+to the velocity and the weight of the mass.;
+#X text 153 77 M is positive. Negative values produce non physical
+behaviours.;
+#X connect 1 0 9 0;
+#X connect 2 0 9 0;
+#X connect 3 0 9 0;
+#X connect 4 0 9 0;
+#X connect 5 0 9 0;
+#X connect 7 0 9 0;
+#X connect 8 0 9 0;
+#X connect 9 0 10 0;
+#X connect 9 1 11 0;
+#X connect 9 2 12 0;
+#X connect 15 0 9 0;
diff --git a/mass2D-help.pd b/mass2D-help.pd
index 3550949..2f094af 100644
--- a/mass2D-help.pd
+++ b/mass2D-help.pd
@@ -1,75 +1,75 @@
-#N canvas 751 176 712 738 10;
-#X text 152 81 M is positive. negative value give non physical things.
-;
+#N canvas 596 85 712 771 10;
 #X msg 115 519 resetF;
 #X msg 116 496 reset;
-#X text 246 492 reset position (to it's initial value) and forces to
-zero. send it's position to it's outlet.;
-#X text 340 289 set the minimum and maximum position of the masse;
-#X text 283 375 when the masses are at Xmin \, Xmax \, Ymon \, Ymax
-\, Zmin or Zmax \, the mouvement is possible only if force apply is
-superior to the threshold;
-#X text 283 362 change the threshold value;
 #X msg 116 450 bang;
 #X msg 115 541 off;
 #X msg 116 564 on;
 #X msg 115 588 loadbang;
-#X text 244 590 output curent position;
-#X text 246 545 stop mass mouvement;
-#X text 245 567 restart mass movement;
-#X text 252 447 compute position and output it;
-#X text 250 474 add force to this mass;
 #X msg 120 153 setM 1;
 #X msg 119 344 setT 0;
-#X text 261 97 1 : name;
-#X text 282 115 this is the name of the mass. you can set value to
+#X text 284 122 this is the name of the mass. you can set value to
 this name instead of making a pd connection.;
 #X obj 29 625 mass2D;
-#X msg 120 256 setXmin -10000 \, setXmax 10000 \, setYmin -10000 \,
+#X msg 118 260 setXmin -10000 \, setXmax 10000 \, setYmin -10000 \,
 setYmax 10000;
 #X text 260 277 5 : Xmin;
 #X text 260 293 6 : Xmax;
 #X text 260 309 7 : Ymin;
 #X text 260 325 8 : Ymax;
 #X text 259 343 9 : Threshold;
-#X text 156 23 mass2D : get liaison forces and output position;
 #X msg 121 182 setX 0 \, setY 0;
 #X msg 121 206 setXY 0 0 0;
 #X msg 114 427 setD 0;
-#X text 256 423 10 : set velocity damping of the mass;
-#X obj 60 657 unpack s f f f;
+#X obj 62 657 unpack s f f f;
 #X obj 45 683 unpack s f f f;
 #X obj 29 707 unpack s f f;
 #X msg 116 472 force2D $f1 $f2;
-#X text 282 162 change weight of the mass;
-#X text 259 181 3 : X = initial position of the mass;
-#X text 259 202 4 : Y = initial position of the mass;
+#X text 259 191 3 : X = initial position of the mass;
+#X text 259 212 4 : Y = initial position of the mass;
 #X text 317 6 mass;
-#X text 246 523 reset the total forces applied to the mass;
 #X text 169 660 X Y & total velocity of the mass;
-#X text 154 684 X Y & total force apply to the mass;
 #X text 140 708 X Y position of the mass;
-#X text 259 149 2 : M = weight of the mass;
-#X text 152 37 the sum of the forces apply to a mass modifie its velocity
-(depending of it's weight). the position is change according to the
-velocity and the weight of the mass;
-#X text 342 305 if the position of the mass is < Xmin then position
-will be Xmin;
-#X text 283 220 change position of the mass \, and reset memory (for
+#X text 259 159 2 : M = weight of the mass;
+#X text 261 107 1 : Name;
+#X text 282 172 changes weight of the mass;
+#X text 281 225 changes position of the mass \, and resets memory (for
 history).;
-#X connect 1 0 20 0;
-#X connect 2 0 20 0;
-#X connect 7 0 20 0;
-#X connect 8 0 20 0;
-#X connect 9 0 20 0;
-#X connect 10 0 20 0;
-#X connect 16 0 20 0;
-#X connect 17 0 20 0;
-#X connect 20 0 34 0;
-#X connect 20 1 33 0;
-#X connect 20 2 32 0;
-#X connect 21 0 20 0;
-#X connect 28 0 20 0;
-#X connect 29 0 20 0;
-#X connect 30 0 20 0;
-#X connect 35 0 20 0;
+#X text 340 289 sets the minimum and maximum position of the mass;
+#X text 342 305 if the position of the mass is < Xmin the position
+will be Xmin;
+#X text 282 356 changes the threshold value;
+#X text 282 371 when the masses are at Xmin \, Xmax \, Ymon \, Ymax
+\, Zmin or Zmax \, the movement is possible only if the force applied
+is higher than the threshold;
+#X text 257 423 10 : sets velocity damping of the mass;
+#X text 257 449 computes position and outputs it;
+#X text 257 476 adds force to this mass;
+#X text 255 494 resets position (to its initial value) and forces to
+zero. send its position to its outlet.;
+#X text 255 525 resets the total forces applied to the mass;
+#X text 255 546 stops mass movement;
+#X text 255 569 restarts mass movement;
+#X text 255 592 outputs current position;
+#X text 154 684 X Y & total force applied to the mass;
+#X text 156 23 mass2D : gets link forces and outputs position.;
+#X text 154 78 M is positive. Negative value produce non physical behaviours.
+;
+#X text 154 37 The sum of the forces applied to a mass modifies its
+velocity (depending of its weight). The position is changed according
+to the velocity and the weight of the mass.;
+#X connect 0 0 9 0;
+#X connect 1 0 9 0;
+#X connect 2 0 9 0;
+#X connect 3 0 9 0;
+#X connect 4 0 9 0;
+#X connect 5 0 9 0;
+#X connect 6 0 9 0;
+#X connect 7 0 9 0;
+#X connect 9 0 21 0;
+#X connect 9 1 20 0;
+#X connect 9 2 19 0;
+#X connect 10 0 9 0;
+#X connect 16 0 9 0;
+#X connect 17 0 9 0;
+#X connect 18 0 9 0;
+#X connect 22 0 9 0;
diff --git a/mass3D-help.pd b/mass3D-help.pd
index 190675b..e8e5831 100644
--- a/mass3D-help.pd
+++ b/mass3D-help.pd
@@ -1,78 +1,78 @@
-#N canvas 121 85 709 792 10;
-#X text 152 81 M is positive. negative value give non physical things.
-;
-#X text 259 303 6 : Xmin;
-#X text 259 319 7 : Xmax;
-#X text 259 335 8 : Ymin;
-#X text 259 351 9 : Ymax;
-#X text 252 367 10 : Zmin;
-#X text 252 383 11 : Zmax;
-#X text 252 398 12 : Threshold;
+#N canvas 504 77 713 795 10;
+#X text 279 303 6 : Xmin;
+#X text 279 319 7 : Xmax;
+#X text 279 335 8 : Ymin;
+#X text 279 351 9 : Ymax;
+#X text 272 367 10 : Zmin;
+#X text 272 383 11 : Zmax;
+#X text 272 398 12 : Threshold;
 #X msg 119 565 resetF;
 #X msg 120 538 reset;
-#X text 248 534 reset position (to it's initial value) and forces to
-zero. send it's position to it's outlet.;
-#X text 302 413 when the masses are at Xmin \, Xmax \, Ymon \, Ymax
-\, Zmin or Zmax \, the mouvement is possible only if force apply is
-superior to the threshold;
 #X msg 119 489 bang;
 #X msg 119 588 off;
 #X msg 120 610 on;
 #X msg 119 635 loadbang;
-#X text 248 637 output curent position;
-#X text 250 592 stop mass mouvement;
-#X text 249 613 restart mass movement;
-#X text 250 486 compute position and output it;
-#X text 247 515 add force to this mass;
-#X text 156 23 mass3D : get liaison forces and output position;
 #X obj 31 678 mass3D;
 #X msg 120 514 force3D $f1 $f2 $f3;
 #X msg 120 154 setM 1;
 #X msg 121 190 setX 0 \, setY 0 \, setZ 0;
-#X msg 117 270 setXmin -10000 \, setXmax 10000 \, setYmin -10000 \,
+#X msg 116 271 setXmin -10000 \, setXmax 10000 \, setYmin -10000 \,
 setYmax 10000 \, setZmin -10000 \, setZmax 10000;
 #X msg 119 397 setT 0;
 #X obj 31 759 unpack s f f f;
-#X text 261 98 1 : name;
-#X text 282 116 this is the name of the mass. you can set value to
+#X text 304 113 this is the name of the mass. you can set value to
 this name instead of making a pd connection.;
 #X msg 121 214 setXYZ 0 0 0;
 #X msg 119 462 setD 0;
-#X text 252 460 13 : Damp : change the velocyty damping of the mass
-;
-#X obj 62 710 unpack s f f f f;
-#X obj 46 735 unpack s f f f f;
+#X obj 64 710 unpack s f f f f;
+#X obj 47 735 unpack s f f f f;
 #X text 317 6 mass;
-#X text 259 189 3 : X = initial position of the mass;
-#X text 259 210 4 : Y = initial position of the mass;
-#X text 259 226 5 : Z = initial position of the mass;
-#X text 323 310 set the minimum and maximum position of the mass;
-#X text 250 569 reset the total forces applied to the mass;
+#X text 279 189 3 : X = initial position of the mass;
+#X text 279 210 4 : Y = initial position of the mass;
+#X text 279 226 5 : Z = initial position of the mass;
 #X text 178 712 X Y Z & total velocity of the mass;
 #X text 163 736 X Y Z & total force apply to the mass;
-#X text 259 150 2 : M = weight of the mass;
-#X text 283 169 change weight of the mass;
-#X text 324 327 if the position of the mass is < Xmin then position
+#X text 279 150 2 : M = weight of the mass;
+#X text 344 327 if the position of the mass is < Xmin then position
 will be Xmin;
-#X text 285 241 change position of the mass \, and reset memory (for
+#X text 302 164 changes weight of the mass;
+#X text 301 239 changes position of the mass \, and resets memory (for
 history).;
-#X text 148 760 X Y Z positin of the mass;
-#X text 152 37 the sum of forces apply to a mass modifie its velocity
-(depending of it's weight). the position his change according to the
-velocity and the weight of the mass;
-#X connect 8 0 22 0;
-#X connect 9 0 22 0;
-#X connect 12 0 22 0;
-#X connect 13 0 22 0;
-#X connect 14 0 22 0;
-#X connect 15 0 22 0;
-#X connect 22 0 28 0;
-#X connect 22 1 35 0;
-#X connect 22 2 34 0;
-#X connect 23 0 22 0;
-#X connect 24 0 22 0;
-#X connect 25 0 22 0;
-#X connect 26 0 22 0;
-#X connect 27 0 22 0;
-#X connect 31 0 22 0;
-#X connect 32 0 22 0;
+#X text 343 310 sets the minimum and maximum position of the mass;
+#X text 301 412 when the masses are at Xmin \, Xmax \, Ymon \, Ymax
+\, Zmin or Zmax \, the movement is possible only if the force applied
+is higher than the threshold;
+#X text 272 460 13 : Damp : changes the velocyty damping of the mass
+;
+#X text 272 486 computes position and outputs it;
+#X text 270 515 add sforce to this mass;
+#X text 270 534 resets position (to its initial value) and forces to
+zero. send its position to its outlet.;
+#X text 269 570 resets the total forces applied to the mass;
+#X text 270 592 stops mass mouvement;
+#X text 269 612 restarts mass movement;
+#X text 270 634 outputs curent position;
+#X text 148 760 X Y Z position of the mass;
+#X text 156 23 mass3D : gets link forces and outputs position.;
+#X text 155 37 The sum of forces applied to a mass modifies its velocity
+(depending of its weight). The position changes according to the velocity
+and the weight of the mass.;
+#X text 156 76 M is positive. Negative values produce non physical
+behaviours;
+#X text 281 97 1 : Name;
+#X connect 7 0 13 0;
+#X connect 8 0 13 0;
+#X connect 9 0 13 0;
+#X connect 10 0 13 0;
+#X connect 11 0 13 0;
+#X connect 12 0 13 0;
+#X connect 13 0 19 0;
+#X connect 13 1 24 0;
+#X connect 13 2 23 0;
+#X connect 14 0 13 0;
+#X connect 15 0 13 0;
+#X connect 16 0 13 0;
+#X connect 17 0 13 0;
+#X connect 18 0 13 0;
+#X connect 21 0 13 0;
+#X connect 22 0 13 0;
diff --git a/tCircle2D-help.pd b/tCircle2D-help.pd
index 63ade00..b9a8739 100644
--- a/tCircle2D-help.pd
+++ b/tCircle2D-help.pd
@@ -1,39 +1,39 @@
-#N canvas 828 81 548 565 10;
+#N canvas 603 204 548 565 10;
 #X text 303 9 test circle;
-#X text 98 97 message to change parametter / default value / creation
-arg number / description;
 #X msg 66 157 setX 0;
 #X msg 66 182 setY 0;
 #X msg 66 220 setRmin 0;
 #X msg 67 244 setRmax 1;
-#X text 163 199 center of the circle defining the interactor;
-#X text 165 266 minimal and maximal radius of the circle. If the mass
-is outside or inside this circles \, it will not interact with this
-link.;
+#X text 181 198 center of the circle defining the interactor;
 #X obj 32 408 tCircle2D;
 #X floatatom 32 486 5 0 0 0 - - -;
 #X msg 68 321 position2D 0 0;
-#X floatatom 56 464 5 0 0 0 - - -;
-#X floatatom 81 441 5 0 0 0 - - -;
-#X text 167 320 position of the tested mass;
-#X text 168 463 distance of the mass from the center of the circle
+#X floatatom 57 463 5 0 0 0 - - -;
+#X floatatom 83 439 5 0 0 0 - - -;
+#X text 187 320 position of the tested mass;
+#X text 100 464 distance of the mass from the center of the circle
 ;
-#X text 168 439 speed of the mass regarding the center of the circle
+#X text 125 438 speed of the mass regarding the center of the circle
 ;
-#X text 137 156 1 : center circle X;
-#X text 138 182 2 : center circle Y;
-#X text 137 221 3 : Minimum Radius;
-#X text 138 244 4 : Maximum Radius;
-#X text 173 41 This object sould be used for testing a mass position.
+#X text 157 221 3 : Minimum Radius;
+#X text 158 244 4 : Maximum Radius;
+#X text 77 488 0/1 according to the position of the mass;
+#X text 173 41 This object should be used for testing a mass position.
 ;
-#X text 173 58 It receive masse position \, and output 0/1 according
-to the position of the mass (1 if the mass is in the circle);
-#X text 169 485 0/1 according to the position of the mass;
-#X connect 2 0 8 0;
-#X connect 3 0 8 0;
-#X connect 4 0 8 0;
-#X connect 5 0 8 0;
-#X connect 8 0 9 0;
-#X connect 8 1 11 0;
-#X connect 8 2 12 0;
-#X connect 10 0 8 0;
+#X text 98 97 message to change parameter / default value / creation
+arg number / description;
+#X text 181 259 minimal and maximal radius of the circle. If the mass
+is outside or inside this circle \, it will not interact with this
+link.;
+#X text 173 58 It receives mass position \, and outputs 0/1 according
+to the position of the mass (1 if the mass is in the circle).;
+#X text 157 156 1 : Center circle X;
+#X text 158 182 2 : Center circle Y;
+#X connect 1 0 6 0;
+#X connect 2 0 6 0;
+#X connect 3 0 6 0;
+#X connect 4 0 6 0;
+#X connect 6 0 7 0;
+#X connect 6 1 9 0;
+#X connect 6 2 10 0;
+#X connect 8 0 6 0;
diff --git a/tCircle3D-help.pd b/tCircle3D-help.pd
index dc20916..ba3aef0 100644
--- a/tCircle3D-help.pd
+++ b/tCircle3D-help.pd
@@ -1,32 +1,19 @@
-#N canvas 812 122 585 661 10;
+#N canvas 582 174 585 661 10;
 #X text 254 13 Circlular test;
 #X text 97 490 this object is like tPlane3D \, but it's action is limited
 in space (circular).;
-#X text 143 147 1 : X coordonate of the orientation vector of the circle
-;
-#X text 143 173 2 : Y coordonate of the orientation vector of the circle
-;
-#X text 144 198 3 : Z coordonate of the orientation vector of the circle
-;
-#X text 144 226 4 : center circle X;
-#X text 143 252 5 : center circle Y;
-#X text 142 275 6 : center circle Z;
-#X text 140 414 9 : maximum profound of the test;
-#X text 65 101 message to change parametter / default value / creation
-arg number / description;
 #X msg 50 325 setRmin 0;
 #X msg 51 349 setRmax 1;
-#X text 164 304 center of the circle defining the interactor;
-#X text 167 367 minimal and maximal radius of the circle. If the mass
+#X text 167 289 center of the circle defining the interactor;
+#X text 164 364 minimal and maximal radius of the circle. If the mass
 is outside or inside this circles \, it will not interact with this
 link.;
 #X floatatom 12 619 5 0 0 0 - - -;
-#X floatatom 36 597 5 0 0 0 - - -;
-#X floatatom 61 574 5 0 0 0 - - -;
-#X text 147 453 position of the tested mass;
-#X text 148 596 distance of the mass from the center of the circle
-;
-#X text 148 572 speed of the mass regarding the center of the circle
+#X floatatom 37 596 5 0 0 0 - - -;
+#X floatatom 63 575 5 0 0 0 - - -;
+#X text 157 451 position of the tested mass;
+#X text 83 596 distance of the mass from the center of the circle;
+#X text 106 574 speed of the mass regarding the center of the circle
 ;
 #X obj 12 541 tCircle3D;
 #X msg 50 149 setVX 0;
@@ -39,20 +26,32 @@ link.;
 #X text 138 326 7 : Minimum Radius;
 #X text 139 349 8 : Maximum Radius;
 #X msg 48 454 position3D 0 0 0;
-#X text 140 45 This object sould be used for testing a mass position.
+#X text 63 618 0/1 according to the position of the mass;
+#X text 140 46 This object should be used for testing a mass position.
+;
+#X text 45 97 message to change parameter / default value / creation
+arg number / description;
+#X text 143 147 1 : X coordinate of the orientation vector of the circle
+;
+#X text 143 173 2 : Y coordinate of the orientation vector of the circle
+;
+#X text 144 198 3 : Z coordinate of the orientation vector of the circle
 ;
-#X text 140 62 It receive mass position \, and output 0/1 according
-to the mass position (1 if the mass is in the circle);
-#X text 149 618 0/1 according to the position of the mass;
-#X connect 10 0 20 0;
-#X connect 11 0 20 0;
-#X connect 20 0 14 0;
-#X connect 20 1 15 0;
-#X connect 20 2 16 0;
-#X connect 21 0 20 0;
-#X connect 22 0 20 0;
-#X connect 24 0 20 0;
-#X connect 25 0 20 0;
-#X connect 26 0 20 0;
-#X connect 27 0 20 0;
-#X connect 30 0 20 0;
+#X text 144 226 4 : Center circle X;
+#X text 143 252 5 : Center circle Y;
+#X text 142 275 6 : Center circle Z;
+#X text 140 414 9 : Maximum depth of the test;
+#X text 141 61 It receives mass position \, and outputs 0/1 according
+to the mass position (1 if the mass is in the circle).;
+#X connect 2 0 12 0;
+#X connect 3 0 12 0;
+#X connect 12 0 6 0;
+#X connect 12 1 7 0;
+#X connect 12 2 8 0;
+#X connect 13 0 12 0;
+#X connect 14 0 12 0;
+#X connect 16 0 12 0;
+#X connect 17 0 12 0;
+#X connect 18 0 12 0;
+#X connect 19 0 12 0;
+#X connect 22 0 12 0;
diff --git a/tCube3D-help.pd b/tCube3D-help.pd
index 9c229cf..a1bcd59 100644
--- a/tCube3D-help.pd
+++ b/tCube3D-help.pd
@@ -1,10 +1,6 @@
-#N canvas 12 81 620 496 10;
+#N canvas 402 208 620 496 10;
 #X text 296 15 test cube;
-#X text 214 299 if a mass is outside of this rectangle \, the mass
-will not interact with this object.;
-#X text 216 284 minimum and maximum position of the interactor.;
-#X text 77 112 message to change parametter / default value / creation
-arg number / description;
+#X text 209 283 minimum and maximum position of the interactor.;
 #X obj 13 399 tCube3D;
 #X msg 83 156 setXmin -1;
 #X msg 83 178 setXmax 1;
@@ -13,7 +9,7 @@ arg number / description;
 #X msg 83 246 setZmin -1;
 #X msg 83 268 setZmax 1;
 #X floatatom 13 433 5 0 0 0 - - -;
-#X text 192 357 position of the tested mass;
+#X text 194 354 position of the tested mass;
 #X msg 84 357 position3D 0 0 0;
 #X text 186 157 1 : X minimum;
 #X text 186 178 2 : X maximum;
@@ -21,16 +17,20 @@ arg number / description;
 #X text 185 222 4 : Y maximum;
 #X text 186 248 5 : Z minimum;
 #X text 185 268 6 : Z maximum;
-#X text 137 42 This object sould be used for testing the mass position.
+#X text 55 432 0/1 according to the position of the mass;
+#X text 137 42 This object should be used for testing the mass position.
 ;
-#X text 137 59 It receive a mass position \, and output 0/1 according
-to the mass position (1 if the mass is in the square);
-#X text 172 431 0/1 according to the position of the mass;
-#X connect 4 0 11 0;
-#X connect 5 0 4 0;
-#X connect 6 0 4 0;
-#X connect 7 0 4 0;
-#X connect 8 0 4 0;
-#X connect 9 0 4 0;
-#X connect 10 0 4 0;
-#X connect 13 0 4 0;
+#X text 77 111 message to change parameter / default value / creation
+arg number / description;
+#X text 138 57 It receives a mass position \, and outputs 0/1 according
+to the mass position (1 if the mass is in the square).;
+#X text 208 297 If a mass is outside of this rectangle \, the mass
+will not interact with this object.;
+#X connect 2 0 9 0;
+#X connect 3 0 2 0;
+#X connect 4 0 2 0;
+#X connect 5 0 2 0;
+#X connect 6 0 2 0;
+#X connect 7 0 2 0;
+#X connect 8 0 2 0;
+#X connect 11 0 2 0;
diff --git a/tCylinder3D-help.pd b/tCylinder3D-help.pd
index 4e24c11..4399101 100644
--- a/tCylinder3D-help.pd
+++ b/tCylinder3D-help.pd
@@ -1,57 +1,57 @@
-#N canvas 6 81 584 655 10;
+#N canvas 431 147 584 655 10;
 #X text 266 11 Cylinder test;
-#X text 166 562 distance from the center of the cylinder;
-#X text 167 541 speed from the center of the cylinder;
-#X text 104 81 message to change parametter / default value / creation
-arg number / description;
+#X text 88 562 distance from the center of the cylinder;
+#X text 116 541 speed from the center of the cylinder;
 #X msg 88 289 setRmin 0;
 #X msg 89 312 setRmax 1;
-#X text 205 331 minimal and maximal radius of the circle. If the mass
-is outside or inside this circles \, it will not interact with this
-link.;
-#X text 214 194 normal vector of the circle;
+#X text 214 192 normal vector of the circle;
 #X msg 92 212 setX 0;
 #X msg 91 237 setY 0;
 #X msg 91 260 setZ 0;
 #X msg 89 128 setVX 0;
 #X msg 90 153 setVY 0;
 #X msg 91 175 setVZ 0;
-#X text 204 275 center of the circle;
+#X text 214 272 center of the circle;
 #X msg 88 380 setPmin -10000;
 #X msg 90 409 setPmax 10000;
 #X obj 13 517 tCylinder3D;
-#X text 181 127 1 : X coordonate of the orientation vector of the circle
+#X text 191 291 7 : Minimum Radius;
+#X text 191 312 8 : Maximum Radius;
+#X floatatom 13 584 5 0 0 0 - - -;
+#X floatatom 44 562 5 0 0 0 - - -;
+#X floatatom 76 541 5 0 0 0 - - -;
+#X text 191 462 position of the tested mass;
+#X msg 78 464 position3D 0 0 0;
+#X text 61 584 0/1 according to the position of the mass;
+#X text 168 39 This object should be used for testing the relative
+position of a mass depending on a cylinder;
+#X text 104 81 message to change parameter / default value / creation
+arg number / description;
+#X text 191 127 1 : X coordinate of the orientation vector of the circle
 ;
-#X text 180 152 2 : Y coordonate of the orientation vector of the circle
+#X text 190 152 2 : Y coordinate of the orientation vector of the circle
 ;
-#X text 181 176 3 : Z coordonate of the orientation vector of the circle
+#X text 191 176 3 : Z coordinate of the orientation vector of the circle
 ;
-#X text 180 212 4 : center X;
-#X text 180 236 5 : center Y;
-#X text 179 261 6 : center Z;
-#X text 181 289 7 : Minimum Radius;
-#X text 181 312 8 : Maximum Radius;
-#X text 182 382 9 : minimum height of the cylinder interaction;
-#X text 178 411 10 : maximum height of the cylinder interaction;
-#X floatatom 13 584 5 0 0 0 - - -;
-#X floatatom 43 563 5 0 0 0 - - -;
-#X floatatom 74 543 5 0 0 0 - - -;
-#X text 188 464 position of the tested mass;
-#X msg 78 464 position3D 0 0 0;
-#X text 168 39 This object sould be used for testing the relative position
-of a mass depending on a cylinder;
-#X text 166 583 0/1 according to the position of the mass;
-#X connect 4 0 17 0;
-#X connect 5 0 17 0;
-#X connect 8 0 17 0;
-#X connect 9 0 17 0;
-#X connect 10 0 17 0;
-#X connect 11 0 17 0;
-#X connect 12 0 17 0;
-#X connect 13 0 17 0;
-#X connect 15 0 17 0;
-#X connect 16 0 17 0;
-#X connect 17 0 28 0;
-#X connect 17 1 29 0;
-#X connect 17 2 30 0;
-#X connect 32 0 17 0;
+#X text 215 325 minimal and maximal radius of the circle. If the mass
+is outside or inside this circle \, it will not interact with this
+link.;
+#X text 190 212 4 : Center X;
+#X text 190 261 6 : Center Z;
+#X text 191 236 5 : Center Y;
+#X text 192 382 9 : Minimum height of the cylinder interaction;
+#X text 188 411 10 : Maximum height of the cylinder interaction;
+#X connect 3 0 15 0;
+#X connect 4 0 15 0;
+#X connect 6 0 15 0;
+#X connect 7 0 15 0;
+#X connect 8 0 15 0;
+#X connect 9 0 15 0;
+#X connect 10 0 15 0;
+#X connect 11 0 15 0;
+#X connect 13 0 15 0;
+#X connect 14 0 15 0;
+#X connect 15 0 18 0;
+#X connect 15 1 19 0;
+#X connect 15 2 20 0;
+#X connect 22 0 15 0;
diff --git a/tLine2D-help.pd b/tLine2D-help.pd
index df28471..5c90e77 100644
--- a/tLine2D-help.pd
+++ b/tLine2D-help.pd
@@ -1,45 +1,44 @@
-#N canvas 4 81 586 578 10;
-#X text 175 146 1 : name;
-#X text 121 113 message to change parametter / default value / creation
-arg number / description;
-#X text 196 164 this is the name of the mass interacting with this
-object. you can also conect the output of this object to a mass \,
-to allow an interaction with this mass.;
+#N canvas 437 174 586 578 10;
 #X msg 104 233 setY1 0;
 #X msg 105 279 setY2 0;
 #X msg 103 208 setX1 -1;
 #X msg 104 256 setX2 1;
-#X text 174 208 2 : X coordonate of the the 1st point of the line;
-#X text 174 232 3 : Y coordonate of the the 1st point of the line;
-#X text 174 255 4 : X coordonate of the the 2nd point of the line;
-#X text 174 279 5 : Y coordonate of the the 2nd point of the line;
 #X msg 105 312 setPmax 1;
-#X text 199 296 X and Y position of the 2 points defining the line.
+#X text 219 296 X and Y position of the 2 points defining the line.
 ;
-#X text 197 327 maximum depth of the interaction line.;
+#X text 217 327 maximum depth of the interaction line.;
 #X text 269 14 test line;
 #X obj 35 450 tLine2D;
-#X text 173 312 6 : maximum depth;
-#X floatatom 72 481 5 0 0 0 - - -;
-#X floatatom 72 481 5 0 0 0 - - -;
-#X floatatom 53 505 5 0 0 0 - - -;
+#X floatatom 74 481 5 0 0 0 - - -;
+#X floatatom 54 505 5 0 0 0 - - -;
 #X floatatom 35 529 5 0 0 0 - - -;
-#X text 172 479 speed regarding the distance from the segment;
-#X text 171 504 distance from the segment;
-#X text 195 378 position of the mass (first outlet of the mass object)
+#X text 119 480 speed regarding the distance from the segment;
+#X text 96 504 distance from the segment;
+#X text 215 378 position of the mass (first outlet of the mass object)
 ;
 #X msg 92 379 position2D 0 0;
-#X text 129 40 This object sould be used for testing a mass position.
+#X text 79 528 0/1 according to the position of the mass;
+#X text 129 40 This object should be used for testing a mass position.
 ;
-#X text 129 56 It receive mass position \, and output 0/1 according
-to the mass position (1 if the mass is on a side of the line);
-#X text 171 530 0/1 according to the position of the mass;
-#X connect 3 0 15 0;
-#X connect 4 0 15 0;
-#X connect 5 0 15 0;
-#X connect 6 0 15 0;
-#X connect 11 0 15 0;
-#X connect 15 0 20 0;
-#X connect 15 1 19 0;
-#X connect 15 2 18 0;
-#X connect 24 0 15 0;
+#X text 44 97 message to change parameter / default value / creation
+arg number / description;
+#X text 195 145 1 : Name;
+#X text 195 209 2 : X coordinate of the the 1st point of the line;
+#X text 194 232 3 : Y coordinate of the the 1st point of the line;
+#X text 194 255 4 : X coordinate of the the 2nd point of the line;
+#X text 193 279 5 : Y coordinate of the the 2nd point of the line;
+#X text 217 160 this is the name of the mass interacting with this
+object. you can also connect the output of this object to a mass to
+allow an interaction with this mass.;
+#X text 193 312 6 : Maximum depth;
+#X text 130 55 It receives mass position \, and outputs 0/1 according
+to the mass position (1 if the mass is on a side of the line).;
+#X connect 0 0 8 0;
+#X connect 1 0 8 0;
+#X connect 2 0 8 0;
+#X connect 3 0 8 0;
+#X connect 4 0 8 0;
+#X connect 8 0 11 0;
+#X connect 8 1 10 0;
+#X connect 8 2 9 0;
+#X connect 15 0 8 0;
diff --git a/tLink2D-help.pd b/tLink2D-help.pd
index 3f63099..df4ef06 100644
--- a/tLink2D-help.pd
+++ b/tLink2D-help.pd
@@ -1,27 +1,28 @@
-#N canvas 710 344 590 388 10;
-#X text 181 337 1 : distance between the 2 masses;
-#X text 181 309 2 : elongation speed of the link;
-#X text 181 281 3 : orientation of the link;
-#X text 182 257 4 : position of the center of the link;
-#X text 181 39 link2D : get position of masses \, output forces;
+#N canvas 716 344 590 388 10;
+#X text 191 337 1 : distance between the 2 masses;
+#X text 191 309 2 : elongation speed of the link;
+#X text 191 281 3 : orientation of the link;
+#X text 192 257 4 : position of the center of the link;
 #X text 216 12 link between 2 masses;
-#X text 181 67 1 : name;
-#X text 185 162 change position of mass 1;
 #X msg 57 131 bang;
-#X text 182 127 compute and output forces \, according to the last
-masses positions;
 #X msg 58 162 position2D $f1 $f2;
-#X msg 62 194 position2D $f1 $f2;
-#X text 184 194 position of mass 2;
+#X msg 64 194 position2D $f1 $f2;
+#X text 187 194 position of mass 2;
 #X obj 25 220 tLink2D;
 #X floatatom 25 339 5 0 0 0 - - -;
-#X floatatom 37 311 5 0 0 0 - - -;
-#X floatatom 49 284 5 0 0 0 - - -;
-#X obj 62 258 unpack s f f;
-#X connect 8 0 13 0;
-#X connect 10 0 13 0;
-#X connect 11 0 13 1;
-#X connect 13 0 14 0;
-#X connect 13 1 15 0;
-#X connect 13 2 16 0;
-#X connect 13 3 17 0;
+#X floatatom 38 311 5 0 0 0 - - -;
+#X floatatom 51 284 5 0 0 0 - - -;
+#X obj 64 255 unpack s f f;
+#X text 188 78 1 : Name;
+#X text 185 119 computes and outputs forces \, according to the last
+masses positions;
+#X text 187 162 changes position of mass 1;
+#X text 180 38 link2D : gets position of masses \, outputs forces.
+;
+#X connect 5 0 9 0;
+#X connect 6 0 9 0;
+#X connect 7 0 9 1;
+#X connect 9 0 10 0;
+#X connect 9 1 11 0;
+#X connect 9 2 12 0;
+#X connect 9 3 13 0;
diff --git a/tLink3D-help.pd b/tLink3D-help.pd
index e173fcf..b61d2fa 100644
--- a/tLink3D-help.pd
+++ b/tLink3D-help.pd
@@ -1,24 +1,18 @@
-#N canvas 191 114 644 487 10;
-#X text 228 31 output informations about a tested link;
-#X text 224 332 distance between the 2 masses;
-#X text 224 308 elongation speed of the link;
-#X text 228 255 position of the center of the link;
-#X text 225 282 orientation of the link;
-#X msg 64 205 position3D $f1 $f2 $f3;
-#X text 231 68 1 : name;
-#X text 229 173 change position of mass 1;
+#N canvas 524 205 644 487 10;
+#X text 72 333 distance between the 2 masses;
+#X text 92 309 elongation speed of the link;
+#X text 172 258 position of the center of the link;
+#X text 157 283 orientation of the link;
+#X msg 66 205 position3D $f1 $f2 $f3;
 #X msg 65 126 bang;
-#X text 230 123 compute and output forces \, according to the last
-masses positions;
 #X text 229 204 position of mass 2;
 #X msg 65 175 position3D $f1 $f2 $f3;
-#X obj 64 259 unpack s f f f;
-#X text 321 7 teste a link;
+#X obj 66 259 unpack s f f f;
 #X obj 27 232 tLink3D;
-#X obj 51 284 unpack s f f f;
-#X floatatom 39 309 5 0 0 0 - - -;
+#X obj 53 284 unpack s f f f;
+#X floatatom 40 309 5 0 0 0 - - -;
 #X floatatom 27 332 5 0 0 0 - - -;
-#N canvas 428 222 749 537 gem 0;
+#N canvas 431 222 749 537 gem 0;
 #X floatatom -52 158 5 0 0 0 - - -;
 #X floatatom -10 158 5 0 0 0 - - -;
 #X floatatom 32 158 5 0 0 0 - - -;
@@ -130,11 +124,17 @@ masses positions;
 #X connect 47 1 16 0;
 #X connect 48 0 16 0;
 #X connect 48 1 16 1;
-#X restore 45 403 pd gem;
-#X connect 5 0 14 1;
-#X connect 8 0 14 0;
-#X connect 11 0 14 0;
-#X connect 14 0 17 0;
-#X connect 14 1 16 0;
-#X connect 14 2 15 0;
-#X connect 14 3 12 0;
+#X restore 29 397 pd gem;
+#X text 321 7 tests a link;
+#X text 231 68 1 : Name;
+#X text 229 173 changes position of mass 1;
+#X text 230 123 computes and outputs forces according to the last masses
+positions.;
+#X text 227 31 outputs informations about a tested link.;
+#X connect 4 0 9 1;
+#X connect 5 0 9 0;
+#X connect 7 0 9 0;
+#X connect 9 0 12 0;
+#X connect 9 1 11 0;
+#X connect 9 2 10 0;
+#X connect 9 3 8 0;
diff --git a/tPlane3D-help.pd b/tPlane3D-help.pd
index caba1d8..cb74cfa 100644
--- a/tPlane3D-help.pd
+++ b/tPlane3D-help.pd
@@ -1,15 +1,9 @@
-#N canvas 139 81 610 449 10;
-#X text 295 18 Plane test;
-#X text 184 259 5 : X point of the plane;
-#X text 183 282 6 : Y point of the plane;
-#X text 183 305 7 : Z point of the plane;
-#X text 185 108 1 : name;
-#X text 121 74 message to change parametter / default value / creation
-arg number / description;
-#X text 206 126 this is the name of the mass interacting with this
-object. you can also conect the output of this object to a mass \,
-to allow an interaction with this mass.;
-#X text 217 238 normal vector of the circle;
+#N canvas 513 240 610 482 10;
+#X text 295 4 Plane test;
+#X text 214 259 5 : X point of the plane;
+#X text 213 282 6 : Y point of the plane;
+#X text 213 305 7 : Z point of the plane;
+#X text 239 232 normal vector of the circle;
 #X msg 96 255 setX 0;
 #X msg 95 280 setY 0;
 #X msg 95 303 setZ 0;
@@ -17,24 +11,30 @@ to allow an interaction with this mass.;
 #X msg 93 196 setVY 0;
 #X msg 95 218 setVZ 0;
 #X msg 95 344 setPmax 10000;
-#X text 184 171 2 : X coordonate of the orientation vector of the plane
+#X obj 14 415 tPlane3D;
+#X text 229 379 position of the mass (first outlet of the mass object)
 ;
-#X text 183 196 3 : Y coordonate of the orientation vector of the plane
+#X msg 94 379 position3D 0 0 0;
+#X text 42 72 message to change parameter / default value / creation
+arg number / description;
+#X text 215 108 1 : Name;
+#X text 237 122 this is the name of the mass interacting with this
+object. you can also connect the output of this object to a mass to
+allow an interaction with this mass.;
+#X text 214 171 2 : X coordinate of the orientation vector of the plane
 ;
-#X text 184 220 4 : Z coordonate of the orientation vector of the plane
+#X text 213 196 3 : Y coordinate of the orientation vector of the plane
 ;
-#X obj 14 415 tPlane3D;
-#X text 199 379 position of the mass (first outlet of the mass object)
+#X text 214 219 4 : Z coordinate of the orientation vector of the plane
 ;
-#X msg 94 379 position3D 0 0 0;
-#X text 184 346 8 : maximum profound of the circle interaction;
-#X text 177 41 This object sould be used for the simulation of interaction
-between a collection of mass and a plane;
-#X connect 8 0 18 0;
-#X connect 9 0 18 0;
-#X connect 10 0 18 0;
-#X connect 11 0 18 0;
-#X connect 12 0 18 0;
-#X connect 13 0 18 0;
-#X connect 14 0 18 0;
-#X connect 20 0 18 0;
+#X text 214 346 8 : maximum depth of the circle interaction;
+#X text 177 27 This object should be used for the simulation of interaction
+between a collection of masses and a plane.;
+#X connect 5 0 12 0;
+#X connect 6 0 12 0;
+#X connect 7 0 12 0;
+#X connect 8 0 12 0;
+#X connect 9 0 12 0;
+#X connect 10 0 12 0;
+#X connect 11 0 12 0;
+#X connect 14 0 12 0;
diff --git a/tSeg2D-help.pd b/tSeg2D-help.pd
index 97f573e..3711df4 100644
--- a/tSeg2D-help.pd
+++ b/tSeg2D-help.pd
@@ -1,45 +1,46 @@
-#N canvas 36 81 579 593 10;
+#N canvas 500 185 579 593 10;
 #X text 270 16 test segment;
-#X text 175 146 1 : name;
-#X text 121 113 message to change parametter / default value / creation
-arg number / description;
-#X text 196 164 this is the name of the mass interacting with this
-object. you can also conect the output of this object to a mass \,
-to allow an interaction with this mass.;
 #X msg 104 233 setY1 0;
 #X msg 105 279 setY2 0;
 #X msg 103 208 setX1 -1;
 #X msg 104 256 setX2 1;
-#X text 174 208 2 : X coordonate of the the 1st point of the line;
-#X text 174 232 3 : Y coordonate of the the 1st point of the line;
-#X text 174 255 4 : X coordonate of the the 2nd point of the line;
-#X text 174 279 5 : Y coordonate of the the 2nd point of the line;
 #X msg 105 312 setPmax 1;
-#X text 199 296 X and Y position of the 2 points defining the line.
+#X text 219 296 X and Y position of the 2 points defining the line.
 ;
-#X text 197 327 maximum depth of the interaction line.;
-#X text 173 312 6 : maximum depth;
-#X floatatom 66 481 5 0 0 0 - - -;
-#X floatatom 66 481 5 0 0 0 - - -;
-#X floatatom 50 505 5 0 0 0 - - -;
+#X text 217 327 maximum depth of the interaction line.;
+#X text 193 312 6 : maximum depth;
+#X floatatom 68 481 5 0 0 0 - - -;
+#X floatatom 68 481 5 0 0 0 - - -;
+#X floatatom 51 505 5 0 0 0 - - -;
 #X floatatom 35 529 5 0 0 0 - - -;
-#X text 172 479 speed regarding the distance from the segment;
-#X text 171 504 distance from the segment;
-#X text 195 378 position of the mass (first outlet of the mass object)
+#X text 111 479 speed regarding the distance from the segment;
+#X text 93 505 distance from the segment;
+#X text 207 378 position of the mass (first outlet of the mass object)
 ;
 #X msg 92 379 position2D 0 0;
 #X obj 35 450 tSeg2D;
-#X text 129 40 This object sould be used for testing a mass position.
+#X text 80 532 0/1 according to the position of the mass;
+#X text 129 40 This object should be used for testing a mass position.
+;
+#X text 43 109 message to change parameter / default value / creation
+arg number / description;
+#X text 194 146 1 : Name;
+#X text 216 162 this is the name of the mass interacting with this
+object. you can also connect the output of this object to a mass to
+allow an interaction with this mass.;
+#X text 194 209 2 : X coordinate of the the 1st point of the line;
+#X text 194 232 3 : Y coordinate of the the 1st point of the line;
+#X text 194 255 4 : X coordinate of the the 2nd point of the line;
+#X text 194 279 5 : Y coordinate of the the 2nd point of the line;
+#X text 130 56 It receives a mass position \, and outputs 0/1 according
+to the mass position (1 if the mass is on either side of the line).
 ;
-#X text 129 56 It receive a mass position \, and output 0/1 according
-to the mass position (1 if the mass is on a side of the line);
-#X text 171 530 0/1 according to the position of the mass;
-#X connect 4 0 24 0;
-#X connect 5 0 24 0;
-#X connect 6 0 24 0;
-#X connect 7 0 24 0;
-#X connect 12 0 24 0;
-#X connect 23 0 24 0;
-#X connect 24 0 19 0;
-#X connect 24 1 18 0;
-#X connect 24 2 17 0;
+#X connect 1 0 17 0;
+#X connect 2 0 17 0;
+#X connect 3 0 17 0;
+#X connect 4 0 17 0;
+#X connect 5 0 17 0;
+#X connect 16 0 17 0;
+#X connect 17 0 12 0;
+#X connect 17 1 11 0;
+#X connect 17 2 10 0;
diff --git a/tSphere3D-help.pd b/tSphere3D-help.pd
index b03384c..77f1d19 100644
--- a/tSphere3D-help.pd
+++ b/tSphere3D-help.pd
@@ -1,36 +1,35 @@
-#N canvas 735 251 618 430 10;
-#X text 121 76 message to change parametter / default value / creation
-arg number / description;
+#N canvas 744 251 618 430 10;
 #X msg 80 207 setRmin 0;
 #X msg 81 230 setRmax 1;
 #X msg 80 132 setX 0;
 #X msg 79 157 setY 0;
 #X msg 79 180 setZ 0;
-#X text 203 247 minimal and maximal radius of the sphere. If the mass
+#X text 201 243 minimal and maximal radius of the sphere. If the mass
 is outside or inside this sphere \, it will not interact with this
 link.;
 #X obj 16 302 tSphere3D;
 #X text 248 6 Spherical test;
-#X text 178 132 1 : X coordonate of the center of the sphere;
-#X text 178 159 2 : Y coordonate of the center of the sphere;
-#X text 178 183 3 : Z coordonate of the center of the sphere;
 #X text 177 208 4 : Minimum Radius;
 #X text 177 229 5 : Maximum Radius;
-#X floatatom 65 338 5 0 0 0 - - -;
-#X floatatom 40 360 5 0 0 0 - - -;
+#X floatatom 67 338 5 0 0 0 - - -;
+#X floatatom 41 360 5 0 0 0 - - -;
 #X floatatom 16 384 5 0 0 0 - - -;
-#X text 122 360 distance of the mass from the center of the circle
-;
-#X text 122 336 speed of the mass regarding the center of the circle
+#X text 84 360 distance of the mass from the center of the circle;
+#X text 108 336 speed of the mass regarding the center of the circle
 ;
-#X text 135 35 This object sould be used to test if a specific mass
-is inside a sphere;
-#X text 123 382 0/1 according to the position of the mass;
-#X connect 1 0 7 0;
-#X connect 2 0 7 0;
-#X connect 3 0 7 0;
-#X connect 4 0 7 0;
-#X connect 5 0 7 0;
-#X connect 7 0 16 0;
-#X connect 7 1 15 0;
-#X connect 7 2 14 0;
+#X text 63 383 0/1 according to the position of the mass;
+#X text 64 74 message to change parameter / default value / creation
+arg number / description;
+#X text 178 132 1 : X coordinate of the center of the sphere;
+#X text 178 159 2 : Y coordinate of the center of the sphere;
+#X text 178 183 3 : Z coordinate of the center of the sphere;
+#X text 135 35 This object should be used to test if a specific mass
+is inside a sphere.;
+#X connect 0 0 6 0;
+#X connect 1 0 6 0;
+#X connect 2 0 6 0;
+#X connect 3 0 6 0;
+#X connect 4 0 6 0;
+#X connect 6 0 12 0;
+#X connect 6 1 11 0;
+#X connect 6 2 10 0;
diff --git a/tSquare2D-help.pd b/tSquare2D-help.pd
index 0559f8b..ea757a4 100644
--- a/tSquare2D-help.pd
+++ b/tSquare2D-help.pd
@@ -1,28 +1,28 @@
-#N canvas 111 51 545 429 10;
-#X text 137 42 This object sould be used for testing the masse position.
-;
-#X text 137 59 It receive masse position \, and output 0/1 according
-to the position of the masse (1 if the mass is in the square);
+#N canvas 561 269 545 429 10;
 #X text 296 15 test cube;
-#X text 190 241 minimum and maximum position of the interactor.;
-#X text 77 112 message to change parametter / default value / creation
-arg number / description;
+#X text 200 241 minimum and maximum position of the interactor.;
 #X msg 83 156 setXmin -1;
 #X msg 83 178 setXmax 1;
 #X msg 83 200 setYmin -1;
 #X msg 83 223 setYmax 1;
 #X floatatom 15 360 5 0 0 0 - - -;
-#X text 175 362 0/1 according to the position of the masse;
-#X text 194 284 position of the tested mass;
+#X text 192 360 0/1 according to the position of the masse;
+#X text 201 283 position of the tested mass;
 #X obj 15 326 tSquare2D;
-#X text 186 157 1 : X minimum;
-#X text 186 178 2 : X maximum;
-#X text 186 200 3 : Y minimum;
-#X text 185 222 4 : Y maximum;
+#X text 196 157 1 : X minimum;
+#X text 196 178 2 : X maximum;
+#X text 196 200 3 : Y minimum;
+#X text 195 222 4 : Y maximum;
 #X msg 86 284 position2D 0 0 0;
-#X connect 5 0 12 0;
-#X connect 6 0 12 0;
-#X connect 7 0 12 0;
-#X connect 8 0 12 0;
-#X connect 12 0 9 0;
-#X connect 17 0 12 0;
+#X text 137 42 This object should be used for testing the mass position.
+;
+#X text 77 107 message to change parameter / default value / creation
+arg number / description;
+#X text 138 59 It receives mass position \, and outputs 0/1 according
+to the position of the mass (1 if the mass is in the square).;
+#X connect 2 0 9 0;
+#X connect 3 0 9 0;
+#X connect 4 0 9 0;
+#X connect 5 0 9 0;
+#X connect 9 0 6 0;
+#X connect 14 0 9 0;