path: root/pix_opencv_contours-help.pd

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#X text 13 315 Inlets:;
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#X text 20 266 Arguments:;
#X text 12 436 Outlets:;
#X text 478 20 Example:;
#X text 58 21 Class: pix_opencv;
#X text 11 60 Description: finds contours;
#X text 66 276 none;
#X text 30 349 Inlet 1: message: epsilon [float];
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#X msg 132 132 reset \, dimen 640 480 \, create \, 1;
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#X msg 358 335 destroy;
#X text 354 314 Create window:;
#X text 30 329 Inlet 1: binarized image;
#X text 354 314 Create window:;
#X text 30 329 Inlet 1: binarized image;
#X text 20 488 info;
#X text 30 569 <number of segments> <2> <x \, y corner coordinate pairs>
;
#X text 25 447 Outlet 1: gemlist output;
#X text 25 467 Outlet 3: info output;
#X text 37 5 Synopsis: [pix_opencv_contours];
#X text 21 558 contour (for each of them);
#X text 37 75 [pix_opencv_contours] finds contours in incomming image
\, simplifies it according to the epsilon value and outputs contours
with area greater than a threshold.;
#X text 30 339 Inlet 1: message: area threshold [float];
#X text 25 457 Outlet 2: contour \, convexhull and convexity defect
output;
#X text 37 126 contrary to [pix_opencv_contour_convexhull] \, [pix_opencv_contours]
outputs all contours found not only the biggest.;
#X text 37 175 it can also output rotated bounding rectangle \, convexhull
and cenvexity defects;
#X text 37 215 you can choose the hierarchy level of output contour
;
#X text 37 235 so this external replaces all old pix_opencv_contours_*
;
#X text 30 599 <number of segments> <2> <x \, y corner coordinate pairs>
;
#X text 21 586 convexhull (for each contour);
#X text 20 617 convexixitydefects (for each contour);
#X text 30 629 <number of segments> <7> <start point (2 floats)> <end
point (2 floats)> <depth point (2 floats)> depth;
#X text 26 699 by antoine villeret - 2012;
#X text 16 719 bug \, feedback \, comment... on the pd-list;
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#X msg 617 214 area \$1;
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#X obj 71 766 GEMglEnd;
#X obj 71 277 alpha;
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#X obj 71 420 GEMglBegin GL_LINE_LOOP;
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#X obj 71 256 gemhead;
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#X obj 211 504 list split 2;
#X obj 177 448 list split 2;
#X obj 137 472 unpack;
#X obj 211 525 unpack;
#X obj 245 564 list split 2;
#X obj 245 585 unpack;
#X obj 279 664 list split 2;
#X obj 279 685 unpack;
#X obj 90 84 list split 2;
#X obj 95 154 list append;
#X obj 292 81 t b;
#X obj 32 32 route 0;
#X floatatom 342 463 5 0 0 0 - - -;
#X obj 342 442 list length;
#X obj 71 400 GEMglLineWidth 1;
#X obj 71 327 translateXYZ -5.3333 4 0;
#X obj 71 361 scaleXYZ 10.6666 -8 0;
#X obj 124 107 list split 20;
#X obj 71 302 color 1 1 0 1;
#X obj 124 128 t b b a;
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#X text 519 123 dot product;
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#X obj 219 124 expr abs(($f3-$f1)*($f6-$f2)+($f4-$f2)*($f5-$f1));
#X obj 302 158 expr $f1*sqrt(10.666*8);
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#X msg 204 530 draw line;
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#X msg 57 167 contours \$1;
#X obj 57 251 outlet;
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#X obj 247 147 tgl 15 1 empty empty empty 17 7 0 10 -262144 -1 -1 0
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#X msg 147 167 convexhulls \$1;
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#X text 25 57 set hierarchy level (which contour to send out);
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#X msg 24 100 hierarchy_level \$1;
#X text 71 125 send out different kind of infos (all on by default)
:;
#X text 25 67 -1 for all contours (default);
#X obj 564 89 table drawX 1000;
#X obj 564 109 table drawY 1000;
#X obj 564 129 table drawZ 1000;
#X msg 559 168 settab drawX drawY drawZ;
#X obj 558 200 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 0
1;
#X msg 558 229 taboutput \$1;
#X text 544 5 to improve performance and avoid "stack overflow" (because
contours could a huge number of points) you can use table output instead
of list output;
#X text 550 71 first set some tables (they are dynamically resized)
;
#X text 550 151 tell it what tables to use;
#X text 582 200 enable disable table output (automatically enable when
ou set table);
#X text 569 256 see [pd draw_contour_gemvertexbuffer] for an example
of drawing contours;
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#X msg 161 130 posX drawX \, posY drawY \, colorG drawZ \, colorA drawZ
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#X obj 161 108 inlet;
#X obj 269 174 r point_number;
#X msg 269 201 resize \$1;
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#X restore 797 147 pd draw_contour_gemvertexbuffer;
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#X text 813 127 draw with gemvertexbuffer;
#X msg 379 80 repeat_point \$1;
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#X text 348 47 repeat the first point n times;
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#X text 489 347 color legend :;
#X text 522 364 yellow = bounding box;
#X text 528 374 green = contour;
#X text 534 385 blue = convexhull;
#X text 534 397 pink = convexhull edge with defects;
#X text 540 409 red = farthest point from convexhull;
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#X floatatom 133 182 5 0 0 0 nb_of_segments - -;
#X obj 107 -65 inlet CONTOUR;
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#X msg 505 254 0 1 0 1;
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#X obj 302 28 t b a b b;
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#X restore 486 320 pd draw_contours;
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#X obj 105 16 inlet;
#X obj 105 67 list split 2;
#X obj 139 97 list split 20;
#X text 189 70 cut matrix header;
#X text 226 98 cut infos for the 1st contour;
#X obj 77 154 list split 1;
#X floatatom 77 216 5 0 0 0 - - -;
#X obj 201 284 unpack;
#X floatatom 201 304 5 0 0 0 - - -;
#X floatatom 234 304 5 0 0 0 - - -;
#X obj 105 38 route info;
#X text -65 304 rotated rectangle center point (normalized);
#X obj 201 234 list split 2;
#X obj 235 324 unpack;
#X floatatom 235 344 5 0 0 0 - - -;
#X floatatom 268 344 5 0 0 0 - - -;
#X obj 235 254 list split 2;
#X text 19 344 rotated rectangle size (normalized);
#X text -60 214 contour area in pixels;
#X floatatom 269 384 5 0 0 0 - - -;
#X floatatom 303 404 5 0 0 0 - - -;
#X text 68 384 rotated rectangle angle (degrees);
#X obj 111 174 list split 8;
#X floatatom 174 -7 5 0 0 0 - - -;
#X obj 174 12 * 20;
#X obj 174 34 + 2;
#X obj 269 364 unpack f f f;
#X floatatom 338 424 5 0 0 0 - - -;
#X text 154 -25 selected contour;
#X obj -4 86 unpack;
#X floatatom -4 107 5 0 0 0 - - -;
#X floatatom 29 128 5 0 0 0 - - -;
#X text -172 104 number of detected contours;
#X text -181 127 numbers of values for each contour;
#X obj 111 194 list prepend set;
#X obj 111 214 list trim;
#X msg -120 262 0.681584 0.808552 0.679688 0.789583 0.704353 0.785198
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#X text -123 245 rotrect corners coordinates;
#X text 160 424 length of contour (in pixels);
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#X obj 450 175 t b a;
#X obj 497 222 list;
#X msg 477 259 \$15;
#X obj 477 281 +;
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#X obj 462 303 f;
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#X floatatom 462 325 5 0 0 0 - - -;
#X text 325 323 total number of points;
#X obj 462 343 s point_number;
#X text 201 403 number of points;
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#X restore 675 294 pd info;
#X text 29 498 <num of contour> 20 <contour area> <rotrect corners
coordinates (8 floats)> <rotrect center position (2 floats)> <rotrect
size (2 floats)> <angle in degrees> <number of points> <contour length>
0 0 0 0;
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#X text 30 379 Inlet 1: message: convexhull <0|1>;
#X text 30 389 Inlet 1: message: convexitydefects <0|1>;
#X text 30 399 Inlet 1: message: settab tabname1 tabname2 tabname3
;
#X text 30 409 Inlet 1: message: taboutput <0|1>;
#X text 30 359 Inlet 1: message: hierarchy_level [float];
#X obj 514 96 pix_image examples/dessin.tif;
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