Fully working jit.cubehelix, jit.cubehelix.ui, and jit.cubehelix helpfile
This commit is contained in:
139
old/Cubehelix.js
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139
old/Cubehelix.js
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// Cubehelix color scheme for Max/MSP/Jitter
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// By Théophile Clet
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// https://tflcl.xyz
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//
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// Based on Dave Green's work:
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// http://www.mrao.cam.ac.uk/~dag/CUBEHELIX/cubetry.html
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//
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// Original publication: Green, D. A., 2011, `A colour scheme for the display of astronomical intensity images', Bulletin of the Astronomical Society of India, 39, 289. (2011BASI...39..289G at ADS.)
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// http://astron-soc.in/bulletin/11June/289392011.pdf )
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//
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// Original js code taken straight from the online example implementation:
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// http://www.mrao.cam.ac.uk/~dag/CUBEHELIX/cubetry.html
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autowatch = 0;
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inlets = 1;
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outlets = 4;
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var RGBOUTLET = 0;
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var HSLOUTLET = 1;
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var LISTOUTLET = 2
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var DUMPOUTLET = 3;
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setinletassist(0, "List as input: {makeCubehelixRGB, start[float], rots[float], sign[-1,1], hue[float], gamma[float], levels(int), flip([0,1]}")
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setoutletassist(0, "To jit.matrix: always outputs the color palette as a ARGB 4-plane matrix");
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setoutletassist(1, "To jit.matrix: if 'hslenable 1' outputs the color palette as a AHSL 4-plane matrix");
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setoutletassist(2, "If 'listmode 1' outputs all colors in list format as RGB or HSL.");
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setoutletassist(3, "Bangs when generation is done.");
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var hslmode = false;
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var listmode = false;
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function hslenable(s){
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hslmode = s;
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}
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function listenable(s){
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listmode = s;
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}
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function makeCubehelix(start, rots, hue, gamma, levels, flip){
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//dumpOut(start, rots, hue, gamma, levels, flip);
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outlet(RGBOUTLET, "dim", levels, 1);
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if (hslmode) {
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outlet(HSLOUTLET, "dim", levels, 1);
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}
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for (var i = 0; i < levels; i++) {
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var fract = CubeHelixFract(i,levels,flip);
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var color = CubeHelixRGB(fract,start,rots,hue,gamma);
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if(flip == 1){fract = 1.0-fract;}
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outlet(RGBOUTLET, "setcell", i, 0, "val", 1., color);
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if (hslmode) {
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color = rgb2hsl(color[0], color[1], color[2]);
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outlet(HSLOUTLET, "setcell", i, 0, "val", 1., color);
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}
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if (listmode) { outlet(LISTOUTLET, i, color); }
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}
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outlet(RGBOUTLET, "bang");
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if (hslmode) { outlet(HSLOUTLET, "bang"); }
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if (listmode) { outlet(LISTOUTLET, "bang"); }
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outlet(DUMPOUTLET, "bang");
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}
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function dumpOut(start, rots, hue, gamma, levels, flip){
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outlet(DUMPOUTLET, "start", start);
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outlet(DUMPOUTLET, "rots", rots);
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outlet(DUMPOUTLET, "hue", hue);
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outlet(DUMPOUTLET, "gamma", gamma);
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outlet(DUMPOUTLET, "levels", levels);
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outlet(DUMPOUTLET, "flip", flip);
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}
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function rgb2hsl(r,g,b) {
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var max = Math.max(r, g, b), min = Math.min(r, g, b);
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var h, s, l = (max + min) / 2;
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if (max == min) {
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h = s = 0; // achromatic
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} else {
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var d = max - min;
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s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
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switch (max) {
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case r: h = (g - b) / d + (g < b ? 6 : 0); break;
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case g: h = (b - r) / d + 2; break;
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case b: h = (r - g) / d + 4; break;
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}
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h /= 6;
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}
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return [ h, s, l ];
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}
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// ----------------------------------------------------------------------------
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// 2017 May 30: make consistent with Fortran
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// 2021 mai 12: a bit of calculation optimization (I think) - Théophile Clet
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// ----------------------------------------------------------------------------
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function CubeHelixRGB(fract,start,rots,hue,gamma){
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var angle = 2*Math.PI*(start/3.0+1+rots*fract);
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var fract = Math.pow(fract, gamma);
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var amp=hue*fract*(1-fract)/2.0;
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var acos = Math.cos(angle);
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var asin = Math.sin(angle);
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var r=fract+amp*(-0.14861*acos+1.78277*asin);
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r=Math.max(Math.min(r,1.0),0.0);
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var g=fract+amp*(-0.29227*acos-0.90649*asin);
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g=Math.max(Math.min(g,1.0),0.0);
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var b=fract+amp*(+1.97294*acos);
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b=Math.max(Math.min(b,1.0),0.0);
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return [r, g, b];
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}
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// ----------------------------------------------------------------------------
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function CubeHelixFract(i,n,flip){
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var fraction = i/(n-1);
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if (flip == 1) {
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fraction = 1 - fraction;
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}
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return fraction;
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}
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3023
old/Cubehelix.maxpat
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3023
old/Cubehelix.maxpat
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File diff suppressed because it is too large
Load Diff
468
old/Cubehelix_example.maxpat
Normal file
468
old/Cubehelix_example.maxpat
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@@ -0,0 +1,468 @@
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"patchline" : {
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"destination" : [ "obj-3", 0 ],
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"source" : [ "obj-16", 0 ]
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}
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}
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, {
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"patchline" : {
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"destination" : [ "obj-3", 0 ],
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"source" : [ "obj-18", 0 ]
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}
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}
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, {
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"patchline" : {
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"destination" : [ "obj-3", 0 ],
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"source" : [ "obj-19", 0 ]
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}
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}
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, {
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"patchline" : {
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"destination" : [ "obj-1", 0 ],
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"source" : [ "obj-24", 0 ]
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}
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}
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, {
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"patchline" : {
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"destination" : [ "obj-1", 0 ],
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"source" : [ "obj-26", 0 ]
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}
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}
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, {
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"patchline" : {
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"destination" : [ "obj-1", 0 ],
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"source" : [ "obj-28", 0 ]
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}
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}
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, {
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"patchline" : {
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"destination" : [ "obj-28", 0 ],
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"source" : [ "obj-32", 0 ]
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}
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}
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, {
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"patchline" : {
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"destination" : [ "obj-34", 0 ],
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"source" : [ "obj-33", 0 ]
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}
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}
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, {
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"patchline" : {
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"destination" : [ "obj-1", 0 ],
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"source" : [ "obj-34", 0 ]
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}
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}
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, {
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"patchline" : {
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"destination" : [ "obj-38", 0 ],
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"source" : [ "obj-36", 0 ]
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}
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}
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, {
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"patchline" : {
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"destination" : [ "obj-1", 0 ],
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"source" : [ "obj-38", 0 ]
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}
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}
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, {
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"patchline" : {
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"destination" : [ "obj-10", 1 ],
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"source" : [ "obj-4", 2 ]
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}
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}
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, {
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"patchline" : {
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"destination" : [ "obj-6", 0 ],
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"source" : [ "obj-4", 0 ]
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}
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}
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, {
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"patchline" : {
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"destination" : [ "obj-8", 1 ],
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"source" : [ "obj-4", 1 ]
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}
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}
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],
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"parameters" : {
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"obj-1::obj-85" : [ "live.text[1]", "live.text[1]", 0 ],
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"obj-1::obj-133" : [ "live.tab[1]", "live.tab", 0 ],
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"obj-1::obj-1" : [ "live.text[2]", "live.text[1]", 0 ],
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"obj-1::obj-104" : [ "live.tab", "live.tab", 0 ],
|
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"obj-1::obj-141" : [ "live.tab[2]", "live.tab", 0 ]
|
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}
|
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,
|
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"dependency_cache" : [ {
|
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"name" : "Cubehelix.maxpat",
|
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"bootpath" : "~/Documents/_MAX/_RESSOURCE/Color palettes",
|
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"patcherrelativepath" : ".",
|
||||
"type" : "JSON",
|
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"implicit" : 1
|
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}
|
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, {
|
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"name" : "Cubehelix.js",
|
||||
"bootpath" : "~/Documents/_MAX/_RESSOURCE/Color palettes",
|
||||
"patcherrelativepath" : ".",
|
||||
"type" : "TEXT",
|
||||
"implicit" : 1
|
||||
}
|
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],
|
||||
"autosave" : 0
|
||||
}
|
||||
|
||||
}
|
||||
4107
old/jit.cubehelix_old.maxpat
Normal file
4107
old/jit.cubehelix_old.maxpat
Normal file
File diff suppressed because it is too large
Load Diff
Reference in New Issue
Block a user