1 files changed, 731 insertions, 0 deletions

diff --git a/help/pix_opencv_contours-help.pd b/help/pix_opencv_contours-help.pd
new file mode 100644
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+++ b/help/pix_opencv_contours-help.pd
@@ -0,0 +1,731 @@
+#N canvas 849 245 794 766 10;
+#X declare -lib pix_opencv;
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+0;
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+#X text 13 315 Inlets:;
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+0;
+#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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+0;
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+#X msg 142 68 set create;
+#X msg 198 112 destroy;
+#X msg 132 132 reset \, dimen 640 480 \, create \, 1;
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+#X connect 4 0 1 0;
+#X connect 5 0 1 0;
+#X connect 6 0 0 0;
+#X connect 7 0 0 0;
+#X restore 358 354 pd gemwin;
+#X msg 358 335 destroy;
+#X text 354 314 Create window:;
+#X text 30 329 Inlet 1: binarized image;
+#X text 30 589 <number of segments> <2> <x \, y corner coordinate pairs>
+;
+#X text 25 447 Outlet 1: gemlist output;
+#X text 37 5 Synopsis: [pix_opencv_contours];
+#X text 21 578 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 30 619 <number of segments> <2> <x \, y corner coordinate pairs>
+;
+#X text 21 606 convexhull (for each contour);
+#X text 20 637 convexixitydefects (for each contour);
+#X text 30 649 <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 obj 541 151 pix_texture;
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+#X obj 625 121 loadbang;
+#X obj 541 171 rectangle 5.333 4;
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+#X msg 617 214 area \$1;
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+#X msg 659 142 10;
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+#X obj 71 586 GEMglVertex2d;
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+#X obj 71 766 GEMglEnd;
+#X obj 71 277 alpha;
+#X obj 143 178 list split 1;
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+#X msg 15 168 0;
+#X obj 71 52 t b a b;
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+#X obj 137 472 unpack;
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+#X obj 95 154 list append;
+#X obj 292 81 t b;
+#X obj 32 32 route 0;
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+#X obj 342 442 list length;
+#X obj 71 400 GEMglLineWidth 1;
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+#X obj 71 302 color 1 1 0 1;
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+#X obj 219 124 expr abs(($f3-$f1)*($f6-$f2)+($f4-$f2)*($f5-$f1));
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+#X msg 147 167 convexhulls \$1;
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+#X text 25 37 set hierarchy level (which contour to send out);
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+-1 -1 -1 256;
+#X msg 24 100 hierarchy_level \$1;
+#X text 71 125 send out different kind of infos (all on by default)
+:;
+#X text 25 47 -1 for all contours (default);
+#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
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+#X msg 558 229 taboutput \$1;
+#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;
+#N canvas 789 194 596 300 draw_contour_gemvertexbuffer 0;
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+#X obj 135 65 translateXYZ -0.5 -0.5 0;
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+#X obj 135 87 t a b;
+#X obj 135 -9 gemhead 1000;
+#X obj 135 17 alpha 0;
+#X msg 161 130 posX drawX \, posY drawY \, colorG drawZ \, colorA drawZ
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+#X msg 175 193 draw line;
+#X obj 135 245 gemvertexbuffer;
+#X obj 161 108 inlet;
+#X obj 269 174 r point_number;
+#X msg 269 201 resize \$1;
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+#X text 813 127 draw with gemvertexbuffer;
+#X msg 379 80 repeat_point \$1;
+#X floatatom 379 62 5 0 0 0 - - -, f 5;
+#X text 348 47 repeat the first point n times;
+#X msg 383 167 cvblobOutput \$1;
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+#X text 25 57 -2 for only contours with no child (aka holes);
+#X obj 564 89 table drawX 1000;
+#X obj 564 109 table drawY 1000;
+#X obj 564 129 table drawZ 1000;
+#X text 543 5 to improve performance and avoid "stack overflow" (because
+contours could have a huge number of points) you can use table output
+instead of list output;
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+#X connect 4 0 6 0;
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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 restore 504 513 pd draw_contours;
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+#X text -52 114 number of detected contours;
+#X text -61 137 numbers of values for each contour;
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+#X msg 307 504 \$1;
+#X obj 87 621 color 1 1 0 1;
+#X obj 357 246 list split 6;
+#X msg 426 194 \$2;
+#X obj 174 627 loadbang;
+#X msg 174 646 12;
+#X msg 329 382 \$6;
+#X obj 329 404 > 0;
+#X obj 329 425 sel 1 0;
+#X msg 328 446 1 0 0 0.2;
+#X msg 348 466 0 1 0 0.2;
+#X obj 87 601 translateXYZ 0.2 0.2 0;
+#X text 547 280 here is an example on how to display blobs with Gem
+;
+#X obj 87 451 scaleXYZ 10.666 -8 0;
+#X obj 87 682 text2d;
+#X text 452 195 <- be careful ! the size of the cvblob matrix could
+change;
+#X text 534 212 please check second element to gets matrix width (number
+of value per blob);
+#X obj 323 164 t a a;
+#X obj 386 11 inlet cvblob;
+#X obj 386 33 route cvblob;
+#X obj 240 490 sqrt;
+#X obj 99 83 spigot;
+#X obj 386 55 t a a;
+#X msg 413 77 \$1;
+#X floatatom 413 99 5 0 0 0 - - -, f 5;
+#X obj 99 19 inlet;
+#X connect 0 0 17 0;
+#X connect 1 0 0 0;
+#X connect 1 1 14 0;
+#X connect 2 0 20 0;
+#X connect 3 1 20 0;
+#X connect 4 0 35 0;
+#X connect 5 0 4 0;
+#X connect 5 1 0 1;
+#X connect 6 0 2 0;
+#X connect 6 1 1 0;
+#X connect 7 0 11 0;
+#X connect 8 0 7 1;
+#X connect 9 0 16 0;
+#X connect 10 0 7 0;
+#X connect 11 0 15 0;
+#X connect 12 0 7 2;
+#X connect 13 0 38 0;
+#X connect 14 0 12 0;
+#X connect 14 0 8 0;
+#X connect 14 1 13 0;
+#X connect 14 1 18 0;
+#X connect 14 1 24 0;
+#X connect 15 0 29 0;
+#X connect 16 0 31 0;
+#X connect 17 0 9 0;
+#X connect 18 0 32 0;
+#X connect 19 0 32 0;
+#X connect 20 0 6 0;
+#X connect 20 1 2 1;
+#X connect 21 0 20 1;
+#X connect 22 0 23 0;
+#X connect 23 0 32 1;
+#X connect 24 0 25 0;
+#X connect 25 0 26 0;
+#X connect 26 0 27 0;
+#X connect 26 1 28 0;
+#X connect 27 0 16 1;
+#X connect 28 0 16 1;
+#X connect 29 0 19 0;
+#X connect 31 0 10 0;
+#X connect 35 0 3 0;
+#X connect 35 1 21 0;
+#X connect 36 0 37 0;
+#X connect 37 0 40 0;
+#X connect 38 0 11 1;
+#X connect 38 0 11 2;
+#X connect 39 0 5 0;
+#X connect 40 0 4 1;
+#X connect 40 1 41 0;
+#X connect 41 0 42 0;
+#X connect 41 0 39 1;
+#X connect 43 0 39 0;
+#X restore 664 365 pd cvblob;
+#X text 506 492 WARNING ! this crashes;
+#X text 20 488 cvblob;
+#X text 25 467 Outlet 3: info output;
+#X text 20 558 count <number of contour> <total number of point>;
+#X text 612 516 fix me !;
+#X obj 487 171 pix_rgba;
+#X obj 487 141 pix_video;
+#X obj 532 603 declare -lib pix_opencv;
+#X connect 13 0 14 0;
+#X connect 14 0 13 0;
+#X connect 35 0 41 0;
+#X connect 36 0 75 0;
+#X connect 36 1 67 0;
+#X connect 37 0 36 0;
+#X connect 38 0 48 0;
+#X connect 39 0 38 0;
+#X connect 40 0 46 0;
+#X connect 40 0 45 0;
+#X connect 42 0 75 0;
+#X connect 42 1 35 0;
+#X connect 43 0 48 0;
+#X connect 44 0 43 0;
+#X connect 45 0 44 0;
+#X connect 46 0 39 0;
+#X connect 48 0 68 0;
+#X connect 48 1 49 0;
+#X connect 48 2 68 1;
+#X connect 48 2 47 0;
+#X connect 48 2 58 0;
+#X connect 50 0 48 0;
+#X connect 60 0 37 0;
+#X connect 67 0 42 0;
+#X connect 74 0 48 0;
+#X connect 75 0 74 0;