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+#X text 94 17 MSD : mass - spring - damper model;
+#X text 26 46 MSD is the 1D object of the msd objects collection.;
+#X text 25 160 Be careful : if masses are deleted \, lists messages
+won't work;
+#X text 25 65 It is designed to implement particules physical model
+in PD.The model is based on two elements type : mass and link. The
+msd masses are the principals objects of the model. They got only one
+physical parameter \, the value of their mass. They can be mobile or
+fixed \, in this case forces applied on them automatically \, by links
+\, or manually \, by messages \, don't do anything.;
+#X text 25 262 Links can be created between mutiples masses \, instead
+of creation number \, the masses linked are defined with their Id.
+;
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+#X text 121 318 Rigidity;
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+#X text 204 710 L0;
+#X text 117 532 Rigidity with Lmin and Lmax;
+#X text 220 710 Lmin;
+#X text 282 711 Lmax;
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+#X text 630 499 L0;
+#X text 562 325 Rigidity with power = 1/2;
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+#X text 627 715 L0;
+#X text 557 539 Rigidity with power = 2;
+#X text 548 21 The equations are :;
+#X text 474 45 if Lmin<|L[n]-L[0]|<Lmax;
+#X text 473 84 else;
+#X text 473 104 F[n] = D(L[n]-L[n-1]);
+#X text 473 63 F[n] = K(L[n] - L[0])^P + D(L[n] - L[n-1]);
+#X text 25 192 Links connect masses two by two. They got 4 physicals
+parameters : length \, rigidity \, damping and power.;
+#X text 25 221 Rigidity \, damping and power are defined by the creation
+message. The lenght is initialised to the distance between the two
+masses at the creation.;
+#X connect 5 0 6 0;
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+#X text 12 76 Examples:;
+#X text 9 369 Inlets:;
+#X text 19 388 - Left:;
+#X text 10 526 Arguments:;
+#X text 11 562 Outlets:;
+#X text 19 729 See Also:;
+#X text 74 48 Full Name:;
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+#X text 5 10 Externals and libraries;
+#X obj 44 37 msd2D;
+#X obj 140 37 msd3D;
+#X restore 122 785 pd Related_Objects;
+#X text 12 8 HELP: msd;
+#X obj 157 48 msd;
+#X text 12 18 DESCRIPTION: Mass spring damper physical modeling in
+1D.;
+#X obj 18 296 msd;
+#N canvas 541 387 524 302 init 0;
+#X msg 89 187 Xmax 127 \, Xmin 0;
+#X obj 89 215 t a;
+#X obj 89 33 loadbang;
+#X msg 143 100 mass fix 0 10 0;
+#X obj 89 241 s \$0-in;
+#X obj 89 59 t b b b b b;
+#X msg 161 80 reset;
+#X obj 44 13 inlet;
+#X msg 125 120 mass mob 1 10 0 \, mass mob 1 10 0 \, mass mob 1 10
+0;
+#X msg 107 143 link souple 1 0 1 0.5 \, link souple 1 2 1 0.5 \, link
+souple 3 2 1 0.5;
+#X connect 0 0 1 0;
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+#X connect 2 0 5 0;
+#X connect 3 0 1 0;
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+#X connect 5 2 8 0;
+#X connect 5 3 3 0;
+#X connect 5 4 6 0;
+#X connect 6 0 1 0;
+#X connect 7 0 5 0;
+#X connect 8 0 1 0;
+#X connect 9 0 1 0;
+#X restore 17 156 pd init;
+#X obj 18 321 s \$0-out;
+#X obj 18 272 r \$0-in;
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+#X msg 261 322 posX fix \$1;
+#N canvas 565 515 355 193 compute 0;
+#X obj 159 37 inlet;
+#X obj 159 74 metro 20;
+#X obj 159 135 s \$0-in;
+#X msg 159 104 bang \, massesPosL;
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+#X restore 17 208 pd compute;
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+-1 -1 0 1;
+#X obj 261 152 unpack f f f f;
+#X text 101 388 Bang - A bang at the left inlet compute the new model
+state based on previous instant.;
+#X text 158 478 To set the model parameters after creation.;
+#X text 158 456 To create the model masses and links.;
+#X text 158 501 To get the model parameters;
+#N canvas 33 254 559 560 creation________ 0;
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+#X text 7 2 CREATION Messages;
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+#X msg 32 104 reset;
+#X text 202 167 Add a mass;
+#X text 288 168 \$1 : Id (symbol);
+#X text 287 188 \$2 : fixed or mobile (0/1);
+#X text 287 206 \$3 : mass;
+#X msg 32 167 mass \$1 \$2 \$3 \$4;
+#X msg 32 243 deleteMass \$1;
+#X text 201 245 Delete a mass and associated links;
+#X text 285 262 \$1 : Creation No of mass;
+#X text 287 224 \$4 : initial position;
+#X text 7 137 Masses :;
+#X text 7 74 Reset :;
+#X text 129 105 Delete all masses \, links and internal variables;
+#X text 6 308 Links :;
+#X text 271 360 \$1 : Id (symbol);
+#X text 271 413 \$4 : rigidity;
+#X msg 30 505 deleteLink \$1;
+#X text 264 507 Delete a link;
+#X text 268 525 \$1 : Creation No of link;
+#X text 271 360 \$1 : Id (symbol);
+#X text 271 413 \$4 : rigidity;
+#X text 271 378 \$2 : creation No/Id of mass1;
+#X text 271 396 \$3 : creation No/Id of mass2;
+#X text 266 341 Add link(s);
+#X text 268 468 (\$6) : minimum lenght of link;
+#X text 268 485 (\$7) : maximum lenght of link;
+#X text 271 431 \$5 : damping;
+#X text 10 28 Creation messages are used to define the structure of
+the model. Messages create links and masses or destroy them.;
+#X msg 30 341 link \$1 \$2 \$3 \$4 \$5 (\$6 \$7 \$8);
+#X text 271 449 \$6 : Power of the rigidity distance;
+#X restore 12 457 pd creation________;
+#X text 103 542 None;
+#X text 18 583 - Left:;
+#X text 101 584 Outputs the model parameters asked with the attributes
+messages.;
+#X obj 13 629 cnv 15 75 15 empty empty empty 20 12 0 14 -233017 -66577
+0;
+#X text 17 628 - Right:;
+#X text 100 629 Outputs information on model when creation messages
+are send or with the special message [infosL( which dump the complete
+state of the model.;
+#X text 101 420 Messages - Different messages are used to control the
+msd object. They are of three types :;
+#X text 9 751 CATEGORY: control;
+#N canvas 475 181 557 516 dynamic 0;
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+0;
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+0;
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+#X text 7 62 Masses :;
+#X text 6 306 Links :;
+#X text 7 2 DYNAMIC SETTINGS Messages;
+#X msg 31 96 posX \$1 \$2;
+#X text 190 144 Add force on mass(es);
+#X msg 30 152 forceX \$1 \$2;
+#X text 192 212 \$1 : Value;
+#X text 193 107 \$1 : Id (symbol) or No;
+#X text 193 161 \$1 : Id (symbol) or No;
+#X msg 30 195 Xmin \$1;
+#X msg 30 217 Xmax \$1;
+#X msg 29 244 setMobile \$1;
+#X msg 29 265 setFixed \$1;
+#X text 193 89 Set position of fixed mass(es);
+#X text 193 125 \$2 : Value;
+#X text 193 179 \$2 : Value;
+#X text 189 196 Set minimimum and maximum position of all masses;
+#X text 188 244 Set mass to mobile or fixed;
+#X msg 29 394 setD \$1 \$2;
+#X text 184 380 \$2 : New value;
+#X msg 29 343 setK \$1 \$2;
+#X text 184 436 \$2 : New value;
+#X text 184 489 \$2 : New value;
+#X text 178 344 Set rigidity of link(s);
+#X text 178 400 Set damping of link(s);
+#X msg 29 449 setL \$1 \$2;
+#X text 178 453 Set initial lenght of link(s);
+#X text 184 362 \$1 : Id (symbol) or No;
+#X text 184 418 \$1 : Id (symbol) or No;
+#X text 184 471 \$1 : Id (symbol) or No;
+#X text 191 261 \$1 : Id (symbol) or No;
+#X text 10 25 Dynamic settings messages allows the user to redefine
+internal parameters of links and masses.;
+#X restore 12 478 pd dynamic settings;
+#N canvas 382 95 598 603 attributes______ 0;
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+#X text 7 74 General :;
+#X text 7 2 ATTRIBUTES Messages;
+#X text 7 137 Lists :;
+#X msg 33 104 infosL;
+#X text 136 104 Get infos on all masses and links on right outlet;
+#X msg 32 170 massesPosL;
+#X msg 32 198 massesForcesL;
+#X text 170 170 Output all masses positions in a list on outlet No
+1;
+#X text 140 305 \$1 : Attribute type ( massesPos / massesSpeeds / massesForces
+/ linksPos );
+#X text 140 280 Get specific attribute on specific element;
+#X msg 20 278 get \$1 (\$2);
+#X text 7 240 Specific :;
+#X text 140 375 The get message return the asked attribute preceded
+by an identifier and the creation No of the element. The identifier
+is made of the asked parameter and the way you asked for it.;
+#X text 141 451 message;
+#X text 381 451 response;
+#X text 140 432 Examples with 3 masses numbered 0 \, 1 and 2 and named
+mas:;
+#X text 146 541 [get massesPos mas( -----> [massesPosId 0 x0(;
+#X text 335 556 [massesPosId 2 x2(;
+#X text 335 571 [massesPosId 1 x1(;
+#X text 174 470 [get massesPos( -----> [massesPos 0 x0(;
+#X text 335 484 [massesPos 2 x2(;
+#X text 335 498 [massesPos 1 x1(;
+#X text 160 520 [get massesPos 1( -----> [massesPosNo 1 x1(;
+#X text 15 30 The attributes messages ask the object to output some
+of his internal parameters. They can be output by lists for positions
+and forces of masses.;
+#X text 170 199 Output all forces applied on masses in a list on outlet
+No 1;
+#X text 140 342 (\$2) : - If not defined all the attributes are send
+for all the elements. - Ids or/and creations No;
+#X restore 12 499 pd attributes______;
+#X text 9 761 KEYWORDS: physical model mass spring damper link;
+#X text 267 786 - Nicolas Montgermont \, May 12 \, 2005;
+#X text 111 729 01_msdtest.pd;
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+#X connect 37 1 27 0;
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+#X connect 37 3 36 0;