[maxmsp] Cursor peak

Hi Cedric,

just filter these transient peaks with a low pass 
filter which will cut all high frequencies 
typical of this short peaks;
for instance, use the slide object.

best,


>Hi all
>
>This patch do a horizontal tracking with the colors : Red, Green & Blue.
>I use some Leds
>This patch is used to scan the presence of leds or the absence of these leds.
>As the cursor of the screen is over 20 px, the presence of the leds is valid.
>
>The problem is that, by time, the cursors go 
>down during a fraction of second to the pixel "0"
>Have you got any advice to stop these very short 
>peaks when the pixel is at number "0". it's 
>exactely the moment when the orientation of the 
>led is not perfectly in front of the camera.
>
>Thank's for jour help.
>Cédric
>
>max v2;
>#N vpatcher 105 25 1130 711;
>#P origin 0 -135;
>#P window setfont "Sans Serif" 9.;
>#P newex 34 45 39 9109513 metro 2;
>#P toggle 34 24 15 0;
>#P comment 23 655 15 9109513 R;
>#P comment 79 656 14 9109513 V;
>#P comment 142 656 14 9109513 B;
>#P toggle 157 655 15 0;
>#P toggle 40 655 15 0;
>#P toggle 96 655 15 0;
>#P newex 142 602 27 9109513 i;
>#P newex 137 625 40 9109513 change;
>#P newex 101 602 27 9109513 i;
>#P newex 96 625 40 9109513 change;
>#P newex 60 602 27 9109513 i;
>#P newex 55 625 40 9109513 change;
>#P comment 32 567 15 9109513 R;
>#P comment 88 568 14 9109513 V;
>#P comment 151 568 14 9109513 B;
>#P toggle 166 567 15 0;
>#P toggle 49 567 15 0;
>#P toggle 105 567 15 0;
>#P newex 165 541 27 9109513 > 20;
>#P newex 106 541 27 9109513 > 20;
>#P newex 49 541 27 9109513 > 20;
>#P user jit.pwindow 22 237 322 242 0 1 0 0 1 0;
>#P window setfont "Sans Serif" 10.;
>#P comment 65 394 21 9109514 top;
>#P window setfont "Fixedwidth Serif" 10.;
>#P number 144 384 35 10 0 0 0 141 0 0 0 221 221 221 222 222 222 0 0 0;
>#P number 64 376 35 10 0 0 0 141 0 0 0 221 221 221 222 222 222 0 0 0;
>#P user hslider 24 480 13 305 320 1 0 0;
>#P window setfont "Sans Serif" 10.;
>#P comment 107 396 27 9109514 right;
>#P window setfont "Fixedwidth Serif" 10.;
>#P newex 184 436 140 9240586 expr $i1+(($i2-$i1)/2);
>#P number 102 381 35 10 0 0 0 141 0 0 0 221 221 221 222 222 222 0 0 0;
>#P number 19 376 35 10 0 0 0 141 0 0 0 221 221 221 222 222 222 0 0 0;
>#P newex 115 351 48 9240586 unpack;
>#P newex 22 352 48 9240586 unpack;
>#P newex 56 144 331 9240586 jit.findbounds @min 
>0. 0.75 0.1 0.1 @max 1. 1. 0.5 0.5;
>#B color 5;
>#P window setfont "Sans Serif" 10.;
>#P comment 27 388 20 9109514 left;
>#P comment 230 389 21 9109514 top;
>#P window setfont "Fixedwidth Serif" 10.;
>#P number 301 371 35 10 0 0 0 141 0 0 0 221 221 221 222 222 222 0 0 0;
>#P number 226 372 35 10 0 0 0 141 0 0 0 221 221 221 222 222 222 0 0 0;
>#P user hslider 23 498 13 305 320 1 0 0;
>#P window setfont "Sans Serif" 10.;
>#P comment 268 386 27 9109514 right;
>#P window setfont "Fixedwidth Serif" 10.;
>#P newex 22 313 140 9240586 expr $i1+(($i2-$i1)/2);
>#P number 263 371 35 10 0 0 0 141 0 0 0 221 221 221 222 222 222 0 0 0;
>#P number 187 371 35 10 0 0 0 141 0 0 0 221 221 221 222 222 222 0 0 0;
>#P newex 263 350 48 9240586 unpack;
>#P newex 187 350 48 9240586 unpack;
>#P newex 45 169 331 9240586 jit.findbounds @min 
>0. 0.1 0.75 0.1 @max 1. 0.5 1. 0.5;
>#B color 5;
>#P window setfont "Sans Serif" 10.;
>#P comment 192 386 20 9109514 left;
>#P window setfont "Sans Serif" 9.;
>#P user ubumenu 118 93 145 9109513 0 1 1 0;
>#X add "Logitech QuickCam Pro 4000-WDM";
>#X add "Philips SPC 700NC PC Camera-WDM";
>#X add "Sony Visual Communication Camera VGP-VCC1-WDM";
>#X add TGE-WDM;
>#X prefix_set 0 0 <none> 0;
>#X pattrmode 1;
>#P newex 34 92 82 9109513 jit.qt.grab 320 240;
>#B color 5;
>#P window setfont "Sans Serif" 10.;
>#P comment 158 289 21 9109514 top;
>#P window setfont "Fixedwidth Serif" 10.;
>#P number 229 271 35 10 0 0 0 141 0 0 0 221 221 221 222 222 222 0 0 0;
>#P number 154 272 35 10 0 0 0 141 0 0 0 221 221 221 222 222 222 0 0 0;
>#P window setfont "Sans Serif" 9.;
>#P newex 119 91 25 9109513 iter;
>#P newex 145 92 38 9109513 t clear;
>#P message 119 92 58 9109513 vdevice \$1;
>#P newex 121 92 75 9109513 prepend append;
>#P newex 119 92 112 9109513 route vdevlist inputlist;
>#P message 55 68 28 9109513 open;
>#B color 9;
>#P message 84 68 31 9109513 close;
>#B color 9;
>#P message 120 67 59 9109513 getvdevlist;
>#P user hslider 24 517 13 305 320 1 0 0;
>#P window setfont "Sans Serif" 10.;
>#P comment 196 286 27 9109514 right;
>#P window setfont "Fixedwidth Serif" 10.;
>#P newex 106 308 140 9240586 expr $i1+(($i2-$i1)/2);
>#P number 191 271 35 10 0 0 0 141 0 0 0 221 221 221 222 222 222 0 0 0;
>#P number 115 271 35 10 0 0 0 141 0 0 0 221 221 221 222 222 222 0 0 0;
>#P newex 191 250 48 9240586 unpack;
>#P newex 115 250 48 9240586 unpack;
>#P newex 33 194 331 9240586 jit.findbounds @min 
>0. 0.1 0.1 0.75 @max 1. 0.5 0.5 1.;
>#B color 5;
>#P window setfont "Sans Serif" 10.;
>#P comment 120 286 20 9109514 left;
>#P window setfont "Sans Serif" 9.;
>#P comment 4 479 15 9109513 R;
>#P comment 4 498 14 9109513 V;
>#P comment 4 516 14 9109513 B;
>#P connect 39 0 41 0;
>#P connect 29 0 31 0;
>#P fasten 38 0 39 0 61 232 27 232;
>#P fasten 23 0 49 0 39 117 28 117;
>#P fasten 31 0 33 0 27 479 28 479;
>#P fasten 43 0 45 0 189 472 29 472;
>#P fasten 9 0 11 0 111 445 29 445;
>#P fasten 23 0 4 0 39 182 38 182;
>#P connect 71 0 72 0;
>#P connect 72 0 23 0;
>#P connect 17 0 23 0;
>#P connect 14 0 23 0;
>#P connect 13 0 23 0;
>#P connect 12 0 23 0;
>#P connect 59 0 66 0;
>#P fasten 23 0 26 0 39 162 50 162;
>#P fasten 45 0 50 0 29 535 54 535;
>#P connect 50 0 54 0;
>#P connect 60 0 59 0;
>#P fasten 23 0 38 0 39 137 61 137;
>#P fasten 54 0 60 0 54 593 65 593;
>#P connect 39 1 46 0;
>#P fasten 54 0 60 1 54 593 82 593;
>#P connect 62 0 61 0;
>#P connect 61 0 65 0;
>#P fasten 53 0 62 0 110 593 106 593;
>#P connect 40 0 42 0;
>#P connect 51 0 53 0;
>#P connect 7 0 9 0;
>#P fasten 33 0 51 0 28 532 111 532;
>#P fasten 4 0 5 0 38 231 120 231;
>#P connect 5 0 7 0;
>#P fasten 38 1 40 0 221 444 120 444;
>#P connect 18 0 24 0;
>#P connect 16 0 24 0;
>#P fasten 53 0 62 1 110 593 123 593;
>#P connect 15 0 19 0;
>#P connect 24 0 17 0;
>#P connect 23 1 15 0;
>#P connect 19 0 16 0;
>#P connect 64 0 63 0;
>#P fasten 55 0 64 0 171 593 147 593;
>#P connect 40 1 47 0;
>#P connect 15 0 18 0;
>#P fasten 30 0 31 1 268 405 157 405;
>#P connect 5 1 20 0;
>#P connect 63 0 67 0;
>#P fasten 55 0 64 1 171 593 164 593;
>#P fasten 11 0 52 0 29 535 170 535;
>#P connect 52 0 55 0;
>#P connect 41 0 43 0;
>#P fasten 26 0 27 0 50 228 192 228;
>#P connect 27 0 29 0;
>#P fasten 4 1 6 0 198 231 196 231;
>#P connect 6 0 8 0;
>#P connect 27 1 34 0;
>#P connect 6 1 21 0;
>#P fasten 8 0 9 1 196 297 241 297;
>#P fasten 26 1 28 0 210 230 268 230;
>#P connect 28 0 30 0;
>#P connect 28 1 35 0;
>#P fasten 42 0 43 1 107 415 319 415;
>#P pop;
>
>
>
>Les partager, au lieu de les laisser au fin fond 
>d'un fichier... 
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