D3 colorbrewer.js

colorbrewer.js

// This product includes color specifications and designs developed by Cynthia Brewer (http://colorbrewer.org/).
var colorbrewer = {YlGn: {
3: ["#f7fcb9","#addd8e","#31a354"],
4: ["#ffffcc","#c2e699","#78c679","#238443"],
5: ["#ffffcc","#c2e699","#78c679","#31a354","#006837"],
6: ["#ffffcc","#d9f0a3","#addd8e","#78c679","#31a354","#006837"],
7: ["#ffffcc","#d9f0a3","#addd8e","#78c679","#41ab5d","#238443","#005a32"],
8: ["#ffffe5","#f7fcb9","#d9f0a3","#addd8e","#78c679","#41ab5d","#238443","#005a32"],
9: ["#ffffe5","#f7fcb9","#d9f0a3","#addd8e","#78c679","#41ab5d","#238443","#006837","#004529"]
},YlGnBu: {
3: ["#edf8b1","#7fcdbb","#2c7fb8"],
4: ["#ffffcc","#a1dab4","#41b6c4","#225ea8"],
5: ["#ffffcc","#a1dab4","#41b6c4","#2c7fb8","#253494"],
6: ["#ffffcc","#c7e9b4","#7fcdbb","#41b6c4","#2c7fb8","#253494"],
7: ["#ffffcc","#c7e9b4","#7fcdbb","#41b6c4","#1d91c0","#225ea8","#0c2c84"],
8: ["#ffffd9","#edf8b1","#c7e9b4","#7fcdbb","#41b6c4","#1d91c0","#225ea8","#0c2c84"],
9: ["#ffffd9","#edf8b1","#c7e9b4","#7fcdbb","#41b6c4","#1d91c0","#225ea8","#253494","#081d58"]
},GnBu: {
3: ["#e0f3db","#a8ddb5","#43a2ca"],
4: ["#f0f9e8","#bae4bc","#7bccc4","#2b8cbe"],
5: ["#f0f9e8","#bae4bc","#7bccc4","#43a2ca","#0868ac"],
6: ["#f0f9e8","#ccebc5","#a8ddb5","#7bccc4","#43a2ca","#0868ac"],
7: ["#f0f9e8","#ccebc5","#a8ddb5","#7bccc4","#4eb3d3","#2b8cbe","#08589e"],
8: ["#f7fcf0","#e0f3db","#ccebc5","#a8ddb5","#7bccc4","#4eb3d3","#2b8cbe","#08589e"],
9: ["#f7fcf0","#e0f3db","#ccebc5","#a8ddb5","#7bccc4","#4eb3d3","#2b8cbe","#0868ac","#084081"]
},BuGn: {
3: ["#e5f5f9","#99d8c9","#2ca25f"],
4: ["#edf8fb","#b2e2e2","#66c2a4","#238b45"],
5: ["#edf8fb","#b2e2e2","#66c2a4","#2ca25f","#006d2c"],
6: ["#edf8fb","#ccece6","#99d8c9","#66c2a4","#2ca25f","#006d2c"],
7: ["#edf8fb","#ccece6","#99d8c9","#66c2a4","#41ae76","#238b45","#005824"],
8: ["#f7fcfd","#e5f5f9","#ccece6","#99d8c9","#66c2a4","#41ae76","#238b45","#005824"],
9: ["#f7fcfd","#e5f5f9","#ccece6","#99d8c9","#66c2a4","#41ae76","#238b45","#006d2c","#00441b"]
},PuBuGn: {
3: ["#ece2f0","#a6bddb","#1c9099"],
4: ["#f6eff7","#bdc9e1","#67a9cf","#02818a"],
5: ["#f6eff7","#bdc9e1","#67a9cf","#1c9099","#016c59"],
6: ["#f6eff7","#d0d1e6","#a6bddb","#67a9cf","#1c9099","#016c59"],
7: ["#f6eff7","#d0d1e6","#a6bddb","#67a9cf","#3690c0","#02818a","#016450"],
8: ["#fff7fb","#ece2f0","#d0d1e6","#a6bddb","#67a9cf","#3690c0","#02818a","#016450"],
9: ["#fff7fb","#ece2f0","#d0d1e6","#a6bddb","#67a9cf","#3690c0","#02818a","#016c59","#014636"]
},PuBu: {
3: ["#ece7f2","#a6bddb","#2b8cbe"],
4: ["#f1eef6","#bdc9e1","#74a9cf","#0570b0"],
5: ["#f1eef6","#bdc9e1","#74a9cf","#2b8cbe","#045a8d"],
6: ["#f1eef6","#d0d1e6","#a6bddb","#74a9cf","#2b8cbe","#045a8d"],
7: ["#f1eef6","#d0d1e6","#a6bddb","#74a9cf","#3690c0","#0570b0","#034e7b"],
8: ["#fff7fb","#ece7f2","#d0d1e6","#a6bddb","#74a9cf","#3690c0","#0570b0","#034e7b"],
9: ["#fff7fb","#ece7f2","#d0d1e6","#a6bddb","#74a9cf","#3690c0","#0570b0","#045a8d","#023858"]
},BuPu: {
3: ["#e0ecf4","#9ebcda","#8856a7"],
4: ["#edf8fb","#b3cde3","#8c96c6","#88419d"],
5: ["#edf8fb","#b3cde3","#8c96c6","#8856a7","#810f7c"],
6: ["#edf8fb","#bfd3e6","#9ebcda","#8c96c6","#8856a7","#810f7c"],
7: ["#edf8fb","#bfd3e6","#9ebcda","#8c96c6","#8c6bb1","#88419d","#6e016b"],
8: ["#f7fcfd","#e0ecf4","#bfd3e6","#9ebcda","#8c96c6","#8c6bb1","#88419d","#6e016b"],
9: ["#f7fcfd","#e0ecf4","#bfd3e6","#9ebcda","#8c96c6","#8c6bb1","#88419d","#810f7c","#4d004b"]
},RdPu: {
3: ["#fde0dd","#fa9fb5","#c51b8a"],
4: ["#feebe2","#fbb4b9","#f768a1","#ae017e"],
5: ["#feebe2","#fbb4b9","#f768a1","#c51b8a","#7a0177"],
6: ["#feebe2","#fcc5c0","#fa9fb5","#f768a1","#c51b8a","#7a0177"],
7: ["#feebe2","#fcc5c0","#fa9fb5","#f768a1","#dd3497","#ae017e","#7a0177"],
8: ["#fff7f3","#fde0dd","#fcc5c0","#fa9fb5","#f768a1","#dd3497","#ae017e","#7a0177"],
9: ["#fff7f3","#fde0dd","#fcc5c0","#fa9fb5","#f768a1","#dd3497","#ae017e","#7a0177","#49006a"]
},PuRd: {
3: ["#e7e1ef","#c994c7","#dd1c77"],
4: ["#f1eef6","#d7b5d8","#df65b0","#ce1256"],
5: ["#f1eef6","#d7b5d8","#df65b0","#dd1c77","#980043"],
6: ["#f1eef6","#d4b9da","#c994c7","#df65b0","#dd1c77","#980043"],
7: ["#f1eef6","#d4b9da","#c994c7","#df65b0","#e7298a","#ce1256","#91003f"],
8: ["#f7f4f9","#e7e1ef","#d4b9da","#c994c7","#df65b0","#e7298a","#ce1256","#91003f"],
9: ["#f7f4f9","#e7e1ef","#d4b9da","#c994c7","#df65b0","#e7298a","#ce1256","#980043","#67001f"]
},OrRd: {
3: ["#fee8c8","#fdbb84","#e34a33"],
4: ["#fef0d9","#fdcc8a","#fc8d59","#d7301f"],
5: ["#fef0d9","#fdcc8a","#fc8d59","#e34a33","#b30000"],
6: ["#fef0d9","#fdd49e","#fdbb84","#fc8d59","#e34a33","#b30000"],
7: ["#fef0d9","#fdd49e","#fdbb84","#fc8d59","#ef6548","#d7301f","#990000"],
8: ["#fff7ec","#fee8c8","#fdd49e","#fdbb84","#fc8d59","#ef6548","#d7301f","#990000"],
9: ["#fff7ec","#fee8c8","#fdd49e","#fdbb84","#fc8d59","#ef6548","#d7301f","#b30000","#7f0000"]
},YlOrRd: {
3: ["#ffeda0","#feb24c","#f03b20"],
4: ["#ffffb2","#fecc5c","#fd8d3c","#e31a1c"],
5: ["#ffffb2","#fecc5c","#fd8d3c","#f03b20","#bd0026"],
6: ["#ffffb2","#fed976","#feb24c","#fd8d3c","#f03b20","#bd0026"],
7: ["#ffffb2","#fed976","#feb24c","#fd8d3c","#fc4e2a","#e31a1c","#b10026"],
8: ["#ffffcc","#ffeda0","#fed976","#feb24c","#fd8d3c","#fc4e2a","#e31a1c","#b10026"],
9: ["#ffffcc","#ffeda0","#fed976","#feb24c","#fd8d3c","#fc4e2a","#e31a1c","#bd0026","#800026"]
},YlOrBr: {
3: ["#fff7bc","#fec44f","#d95f0e"],
4: ["#ffffd4","#fed98e","#fe9929","#cc4c02"],
5: ["#ffffd4","#fed98e","#fe9929","#d95f0e","#993404"],
6: ["#ffffd4","#fee391","#fec44f","#fe9929","#d95f0e","#993404"],
7: ["#ffffd4","#fee391","#fec44f","#fe9929","#ec7014","#cc4c02","#8c2d04"],
8: ["#ffffe5","#fff7bc","#fee391","#fec44f","#fe9929","#ec7014","#cc4c02","#8c2d04"],
9: ["#ffffe5","#fff7bc","#fee391","#fec44f","#fe9929","#ec7014","#cc4c02","#993404","#662506"]
},Purples: {
3: ["#efedf5","#bcbddc","#756bb1"],
4: ["#f2f0f7","#cbc9e2","#9e9ac8","#6a51a3"],
5: ["#f2f0f7","#cbc9e2","#9e9ac8","#756bb1","#54278f"],
6: ["#f2f0f7","#dadaeb","#bcbddc","#9e9ac8","#756bb1","#54278f"],
7: ["#f2f0f7","#dadaeb","#bcbddc","#9e9ac8","#807dba","#6a51a3","#4a1486"],
8: ["#fcfbfd","#efedf5","#dadaeb","#bcbddc","#9e9ac8","#807dba","#6a51a3","#4a1486"],
9: ["#fcfbfd","#efedf5","#dadaeb","#bcbddc","#9e9ac8","#807dba","#6a51a3","#54278f","#3f007d"]
},Blues: {
3: ["#deebf7","#9ecae1","#3182bd"],
4: ["#eff3ff","#bdd7e7","#6baed6","#2171b5"],
5: ["#eff3ff","#bdd7e7","#6baed6","#3182bd","#08519c"],
6: ["#eff3ff","#c6dbef","#9ecae1","#6baed6","#3182bd","#08519c"],
7: ["#eff3ff","#c6dbef","#9ecae1","#6baed6","#4292c6","#2171b5","#084594"],
8: ["#f7fbff","#deebf7","#c6dbef","#9ecae1","#6baed6","#4292c6","#2171b5","#084594"],
9: ["#f7fbff","#deebf7","#c6dbef","#9ecae1","#6baed6","#4292c6","#2171b5","#08519c","#08306b"]
},Greens: {
3: ["#e5f5e0","#a1d99b","#31a354"],
4: ["#edf8e9","#bae4b3","#74c476","#238b45"],
5: ["#edf8e9","#bae4b3","#74c476","#31a354","#006d2c"],
6: ["#edf8e9","#c7e9c0","#a1d99b","#74c476","#31a354","#006d2c"],
7: ["#edf8e9","#c7e9c0","#a1d99b","#74c476","#41ab5d","#238b45","#005a32"],
8: ["#f7fcf5","#e5f5e0","#c7e9c0","#a1d99b","#74c476","#41ab5d","#238b45","#005a32"],
9: ["#f7fcf5","#e5f5e0","#c7e9c0","#a1d99b","#74c476","#41ab5d","#238b45","#006d2c","#00441b"]
},Oranges: {
3: ["#fee6ce","#fdae6b","#e6550d"],
4: ["#feedde","#fdbe85","#fd8d3c","#d94701"],
5: ["#feedde","#fdbe85","#fd8d3c","#e6550d","#a63603"],
6: ["#feedde","#fdd0a2","#fdae6b","#fd8d3c","#e6550d","#a63603"],
7: ["#feedde","#fdd0a2","#fdae6b","#fd8d3c","#f16913","#d94801","#8c2d04"],
8: ["#fff5eb","#fee6ce","#fdd0a2","#fdae6b","#fd8d3c","#f16913","#d94801","#8c2d04"],
9: ["#fff5eb","#fee6ce","#fdd0a2","#fdae6b","#fd8d3c","#f16913","#d94801","#a63603","#7f2704"]
},Reds: {
3: ["#fee0d2","#fc9272","#de2d26"],
4: ["#fee5d9","#fcae91","#fb6a4a","#cb181d"],
5: ["#fee5d9","#fcae91","#fb6a4a","#de2d26","#a50f15"],
6: ["#fee5d9","#fcbba1","#fc9272","#fb6a4a","#de2d26","#a50f15"],
7: ["#fee5d9","#fcbba1","#fc9272","#fb6a4a","#ef3b2c","#cb181d","#99000d"],
8: ["#fff5f0","#fee0d2","#fcbba1","#fc9272","#fb6a4a","#ef3b2c","#cb181d","#99000d"],
9: ["#fff5f0","#fee0d2","#fcbba1","#fc9272","#fb6a4a","#ef3b2c","#cb181d","#a50f15","#67000d"]
},Greys: {
3: ["#f0f0f0","#bdbdbd","#636363"],
4: ["#f7f7f7","#cccccc","#969696","#525252"],
5: ["#f7f7f7","#cccccc","#969696","#636363","#252525"],
6: ["#f7f7f7","#d9d9d9","#bdbdbd","#969696","#636363","#252525"],
7: ["#f7f7f7","#d9d9d9","#bdbdbd","#969696","#737373","#525252","#252525"],
8: ["#ffffff","#f0f0f0","#d9d9d9","#bdbdbd","#969696","#737373","#525252","#252525"],
9: ["#ffffff","#f0f0f0","#d9d9d9","#bdbdbd","#969696","#737373","#525252","#252525","#000000"]
},PuOr: {
3: ["#f1a340","#f7f7f7","#998ec3"],
4: ["#e66101","#fdb863","#b2abd2","#5e3c99"],
5: ["#e66101","#fdb863","#f7f7f7","#b2abd2","#5e3c99"],
6: ["#b35806","#f1a340","#fee0b6","#d8daeb","#998ec3","#542788"],
7: ["#b35806","#f1a340","#fee0b6","#f7f7f7","#d8daeb","#998ec3","#542788"],
8: ["#b35806","#e08214","#fdb863","#fee0b6","#d8daeb","#b2abd2","#8073ac","#542788"],
9: ["#b35806","#e08214","#fdb863","#fee0b6","#f7f7f7","#d8daeb","#b2abd2","#8073ac","#542788"],
10: ["#7f3b08","#b35806","#e08214","#fdb863","#fee0b6","#d8daeb","#b2abd2","#8073ac","#542788","#2d004b"],
11: ["#7f3b08","#b35806","#e08214","#fdb863","#fee0b6","#f7f7f7","#d8daeb","#b2abd2","#8073ac","#542788","#2d004b"]
},BrBG: {
3: ["#d8b365","#f5f5f5","#5ab4ac"],
4: ["#a6611a","#dfc27d","#80cdc1","#018571"],
5: ["#a6611a","#dfc27d","#f5f5f5","#80cdc1","#018571"],
6: ["#8c510a","#d8b365","#f6e8c3","#c7eae5","#5ab4ac","#01665e"],
7: ["#8c510a","#d8b365","#f6e8c3","#f5f5f5","#c7eae5","#5ab4ac","#01665e"],
8: ["#8c510a","#bf812d","#dfc27d","#f6e8c3","#c7eae5","#80cdc1","#35978f","#01665e"],
9: ["#8c510a","#bf812d","#dfc27d","#f6e8c3","#f5f5f5","#c7eae5","#80cdc1","#35978f","#01665e"],
10: ["#543005","#8c510a","#bf812d","#dfc27d","#f6e8c3","#c7eae5","#80cdc1","#35978f","#01665e","#003c30"],
11: ["#543005","#8c510a","#bf812d","#dfc27d","#f6e8c3","#f5f5f5","#c7eae5","#80cdc1","#35978f","#01665e","#003c30"]
},PRGn: {
3: ["#af8dc3","#f7f7f7","#7fbf7b"],
4: ["#7b3294","#c2a5cf","#a6dba0","#008837"],
5: ["#7b3294","#c2a5cf","#f7f7f7","#a6dba0","#008837"],
6: ["#762a83","#af8dc3","#e7d4e8","#d9f0d3","#7fbf7b","#1b7837"],
7: ["#762a83","#af8dc3","#e7d4e8","#f7f7f7","#d9f0d3","#7fbf7b","#1b7837"],
8: ["#762a83","#9970ab","#c2a5cf","#e7d4e8","#d9f0d3","#a6dba0","#5aae61","#1b7837"],
9: ["#762a83","#9970ab","#c2a5cf","#e7d4e8","#f7f7f7","#d9f0d3","#a6dba0","#5aae61","#1b7837"],
10: ["#40004b","#762a83","#9970ab","#c2a5cf","#e7d4e8","#d9f0d3","#a6dba0","#5aae61","#1b7837","#00441b"],
11: ["#40004b","#762a83","#9970ab","#c2a5cf","#e7d4e8","#f7f7f7","#d9f0d3","#a6dba0","#5aae61","#1b7837","#00441b"]
},PiYG: {
3: ["#e9a3c9","#f7f7f7","#a1d76a"],
4: ["#d01c8b","#f1b6da","#b8e186","#4dac26"],
5: ["#d01c8b","#f1b6da","#f7f7f7","#b8e186","#4dac26"],
6: ["#c51b7d","#e9a3c9","#fde0ef","#e6f5d0","#a1d76a","#4d9221"],
7: ["#c51b7d","#e9a3c9","#fde0ef","#f7f7f7","#e6f5d0","#a1d76a","#4d9221"],
8: ["#c51b7d","#de77ae","#f1b6da","#fde0ef","#e6f5d0","#b8e186","#7fbc41","#4d9221"],
9: ["#c51b7d","#de77ae","#f1b6da","#fde0ef","#f7f7f7","#e6f5d0","#b8e186","#7fbc41","#4d9221"],
10: ["#8e0152","#c51b7d","#de77ae","#f1b6da","#fde0ef","#e6f5d0","#b8e186","#7fbc41","#4d9221","#276419"],
11: ["#8e0152","#c51b7d","#de77ae","#f1b6da","#fde0ef","#f7f7f7","#e6f5d0","#b8e186","#7fbc41","#4d9221","#276419"]
},RdBu: {
3: ["#ef8a62","#f7f7f7","#67a9cf"],
4: ["#ca0020","#f4a582","#92c5de","#0571b0"],
5: ["#ca0020","#f4a582","#f7f7f7","#92c5de","#0571b0"],
6: ["#b2182b","#ef8a62","#fddbc7","#d1e5f0","#67a9cf","#2166ac"],
7: ["#b2182b","#ef8a62","#fddbc7","#f7f7f7","#d1e5f0","#67a9cf","#2166ac"],
8: ["#b2182b","#d6604d","#f4a582","#fddbc7","#d1e5f0","#92c5de","#4393c3","#2166ac"],
9: ["#b2182b","#d6604d","#f4a582","#fddbc7","#f7f7f7","#d1e5f0","#92c5de","#4393c3","#2166ac"],
10: ["#67001f","#b2182b","#d6604d","#f4a582","#fddbc7","#d1e5f0","#92c5de","#4393c3","#2166ac","#053061"],
11: ["#67001f","#b2182b","#d6604d","#f4a582","#fddbc7","#f7f7f7","#d1e5f0","#92c5de","#4393c3","#2166ac","#053061"]
},RdGy: {
3: ["#ef8a62","#ffffff","#999999"],
4: ["#ca0020","#f4a582","#bababa","#404040"],
5: ["#ca0020","#f4a582","#ffffff","#bababa","#404040"],
6: ["#b2182b","#ef8a62","#fddbc7","#e0e0e0","#999999","#4d4d4d"],
7: ["#b2182b","#ef8a62","#fddbc7","#ffffff","#e0e0e0","#999999","#4d4d4d"],
8: ["#b2182b","#d6604d","#f4a582","#fddbc7","#e0e0e0","#bababa","#878787","#4d4d4d"],
9: ["#b2182b","#d6604d","#f4a582","#fddbc7","#ffffff","#e0e0e0","#bababa","#878787","#4d4d4d"],
10: ["#67001f","#b2182b","#d6604d","#f4a582","#fddbc7","#e0e0e0","#bababa","#878787","#4d4d4d","#1a1a1a"],
11: ["#67001f","#b2182b","#d6604d","#f4a582","#fddbc7","#ffffff","#e0e0e0","#bababa","#878787","#4d4d4d","#1a1a1a"]
},RdYlBu: {
3: ["#fc8d59","#ffffbf","#91bfdb"],
4: ["#d7191c","#fdae61","#abd9e9","#2c7bb6"],
5: ["#d7191c","#fdae61","#ffffbf","#abd9e9","#2c7bb6"],
6: ["#d73027","#fc8d59","#fee090","#e0f3f8","#91bfdb","#4575b4"],
7: ["#d73027","#fc8d59","#fee090","#ffffbf","#e0f3f8","#91bfdb","#4575b4"],
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o=.5*(e+u),c=.5*(r+a),l=n.x>=o,f=n.y>=c,s=(f<<1)+l;t.leaf=!1,t=t.nodes[s]||(t.nodes[s]=Bu()),l?e=o:u=o,f?r=c:a=c,i(t,n,e,r,u,a)}var o,c=-1,l=t.length;if(5>arguments.length)if(3===arguments.length)u=e,r=n,e=n=0;else for(n=e=1/0,r=u=-1/0;l>++c;)o=t[c],n>o.x&&(n=o.x),e>o.y&&(e=o.y),o.x>r&&(r=o.x),o.y>u&&(u=o.y);var f=r-n,s=u-e;f>s?u=e+f:r=n+s;var h=Bu();return h.add=function(t){i(h,t,n,e,r,u)},h.visit=function(t){$u(t,h,n,e,r,u)},t.forEach(h.add),h},Ci.time={};var qo=Date,Co=["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"];Ju.prototype={getDate:function(){return this._.getUTCDate()},getDay:function(){return this._.getUTCDay()},getFullYear:function(){return this._.getUTCFullYear()},getHours:function(){return this._.getUTCHours()},getMilliseconds:function(){return this._.getUTCMilliseconds()},getMinutes:function(){return this._.getUTCMinutes()},getMonth:function(){return this._.getUTCMonth()},getSeconds:function(){return this._.getUTCSeconds()},getTime:function(){return this._.getTime()},getTimezoneOffset:function(){return 0},valueOf:function(){return this._.valueOf()},setDate:function(){zo.setUTCDate.apply(this._,arguments)},setDay:function(){zo.setUTCDay.apply(this._,arguments)},setFullYear:function(){zo.setUTCFullYear.apply(this._,arguments)},setHours:function(){zo.setUTCHours.apply(this._,arguments)},setMilliseconds:function(){zo.setUTCMilliseconds.apply(this._,arguments)},setMinutes:function(){zo.setUTCMinutes.apply(this._,arguments)},setMonth:function(){zo.setUTCMonth.apply(this._,arguments)},setSeconds:function(){zo.setUTCSeconds.apply(this._,arguments)},setTime:function(){zo.setTime.apply(this._,arguments)}};var zo=Date.prototype,Do="%a %b %e %X %Y",Lo="%m/%d/%Y",Fo="%H:%M:%S",Ho=["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"],jo=["Sun","Mon","Tue","Wed","Thu","Fri","Sat"],Po=["January","February","March","April","May","June","July","August","September","October","November","December"],Ro=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];Ci.time.format=function(t){function n(n){for(var r,u,i,a=[],o=-1,c=0;e>++o;)37===t.charCodeAt(o)&&(a.push(t.substring(c,o)),null!=(u=Xo[r=t.charAt(++o)])&&(r=t.charAt(++o)),(i=Bo[r])&&(r=i(n,null==u?"e"===r?" ":"0":u)),a.push(r),c=o+1);return a.push(t.substring(c,o)),a.join("")}var e=t.length;return n.parse=function(n){var e={y:1900,m:0,d:1,H:0,M:0,S:0,L:0},r=Gu(e,t,n,0);if(r!=n.length)return null;"p"in e&&(e.H=e.H%12+12*e.p);var u=new qo;return u.setFullYear(e.y,e.m,e.d),u.setHours(e.H,e.M,e.S,e.L),u},n.toString=function(){return t},n};var Oo=Ku(Ho),Yo=Ku(jo),Uo=Ku(Po),Io=Wu(Po),Vo=Ku(Ro),Zo=Wu(Ro),Xo={"-":"",_:" ",0:"0"},Bo={a:function(t){return jo[t.getDay()]},A:function(t){return Ho[t.getDay()]},b:function(t){return Ro[t.getMonth()]},B:function(t){return Po[t.getMonth()]},c:Ci.time.format(Do),d:function(t,n){return Qu(t.getDate(),n,2)},e:function(t,n){return Qu(t.getDate(),n,2)},H:function(t,n){return Qu(t.getHours(),n,2)},I:function(t,n){return Qu(t.getHours()%12||12,n,2)},j:function(t,n){return Qu(1+Ci.time.dayOfYear(t),n,3)},L:function(t,n){return Qu(t.getMilliseconds(),n,3)},m:function(t,n){return Qu(t.getMonth()+1,n,2)},M:function(t,n){return Qu(t.getMinutes(),n,2)},p:function(t){return t.getHours()>=12?"PM":"AM"},S:function(t,n){return Qu(t.getSeconds(),n,2)},U:function(t,n){return Qu(Ci.time.sundayOfYear(t),n,2)},w:function(t){return t.getDay()},W:function(t,n){return Qu(Ci.time.mondayOfYear(t),n,2)},x:Ci.time.format(Lo),X:Ci.time.format(Fo),y:function(t,n){return Qu(t.getFullYear()%100,n,2)},Y:function(t,n){return Qu(t.getFullYear()%1e4,n,4)},Z:vi,"%":function(){return"%"}},$o={a:ti,A:ni,b:ei,B:ri,c:ui,d:si,e:si,H:hi,I:hi,L:di,m:fi,M:gi,p:mi,S:pi,x:ii,X:ai,y:ci,Y:oi},Jo=/^\s*\d+/,Go=Ci.map({am:0,pm:1});Ci.time.format.utc=function(t){function n(t){try{qo=Ju;var n=new qo;return n._=t,e(n)}finally{qo=Date}}var e=Ci.time.format(t);return n.parse=function(t){try{qo=Ju;var n=e.parse(t);return n&&n._}finally{qo=Date}},n.toString=e.toString,n};var Ko=Ci.time.format.utc("%Y-%m-%dT%H:%M:%S.%LZ");Ci.time.format.iso=Date.prototype.toISOString&&+new Date("2000-01-01T00:00:00.000Z")?yi:Ko,yi.parse=function(t){var n=new Date(t);return isNaN(n)?null:n},yi.toString=Ko.toString,Ci.time.second=Mi(function(t){return new qo(1e3*Math.floor(t/1e3))},function(t,n){t.setTime(t.getTime()+1e3*Math.floor(n))},function(t){return t.getSeconds()}),Ci.time.seconds=Ci.time.second.range,Ci.time.seconds.utc=Ci.time.second.utc.range,Ci.time.minute=Mi(function(t){return new qo(6e4*Math.floor(t/6e4))},function(t,n){t.setTime(t.getTime()+6e4*Math.floor(n))},function(t){return t.getMinutes()}),Ci.time.minutes=Ci.time.minute.range,Ci.time.minutes.utc=Ci.time.minute.utc.range,Ci.time.hour=Mi(function(t){var n=t.getTimezoneOffset()/60;return new qo(36e5*(Math.floor(t/36e5-n)+n))},function(t,n){t.setTime(t.getTime()+36e5*Math.floor(n))},function(t){return t.getHours()}),Ci.time.hours=Ci.time.hour.range,Ci.time.hours.utc=Ci.time.hour.utc.range,Ci.time.day=Mi(function(t){var n=new qo(1970,0);return n.setFullYear(t.getFullYear(),t.getMonth(),t.getDate()),n},function(t,n){t.setDate(t.getDate()+n)},function(t){return t.getDate()-1}),Ci.time.days=Ci.time.day.range,Ci.time.days.utc=Ci.time.day.utc.range,Ci.time.dayOfYear=function(t){var n=Ci.time.year(t);return Math.floor((t-n-6e4*(t.getTimezoneOffset()-n.getTimezoneOffset()))/864e5)},Co.forEach(function(t,n){t=t.toLowerCase(),n=7-n;var e=Ci.time[t]=Mi(function(t){return(t=Ci.time.day(t)).setDate(t.getDate()-(t.getDay()+n)%7),t},function(t,n){t.setDate(t.getDate()+7*Math.floor(n))},function(t){var e=Ci.time.year(t).getDay();return Math.floor((Ci.time.dayOfYear(t)+(e+n)%7)/7)-(e!==n)});Ci.time[t+"s"]=e.range,Ci.time[t+"s"].utc=e.utc.range,Ci.time[t+"OfYear"]=function(t){var e=Ci.time.year(t).getDay();return Math.floor((Ci.time.dayOfYear(t)+(e+n)%7)/7)}}),Ci.time.week=Ci.time.sunday,Ci.time.weeks=Ci.time.sunday.range,Ci.time.weeks.utc=Ci.time.sunday.utc.range,Ci.time.weekOfYear=Ci.time.sundayOfYear,Ci.time.month=Mi(function(t){return t=Ci.time.day(t),t.setDate(1),t},function(t,n){t.setMonth(t.getMonth()+n)},function(t){return t.getMonth()}),Ci.time.months=Ci.time.month.range,Ci.time.months.utc=Ci.time.month.utc.range,Ci.time.year=Mi(function(t){return t=Ci.time.day(t),t.setMonth(0,1),t},function(t,n){t.setFullYear(t.getFullYear()+n)},function(t){return t.getFullYear()}),Ci.time.years=Ci.time.year.range,Ci.time.years.utc=Ci.time.year.utc.range;var Wo=[1e3,5e3,15e3,3e4,6e4,3e5,9e5,18e5,36e5,108e5,216e5,432e5,864e5,1728e5,6048e5,2592e6,7776e6,31536e6],Qo=[[Ci.time.second,1],[Ci.time.second,5],[Ci.time.second,15],[Ci.time.second,30],[Ci.time.minute,1],[Ci.time.minute,5],[Ci.time.minute,15],[Ci.time.minute,30],[Ci.time.hour,1],[Ci.time.hour,3],[Ci.time.hour,6],[Ci.time.hour,12],[Ci.time.day,1],[Ci.time.day,2],[Ci.time.week,1],[Ci.time.month,1],[Ci.time.month,3],[Ci.time.year,1]],tc=[[Ci.time.format("%Y"),o],[Ci.time.format("%B"),function(t){return t.getMonth()}],[Ci.time.format("%b %d"),function(t){return 1!=t.getDate()}],[Ci.time.format("%a %d"),function(t){return t.getDay()&&1!=t.getDate()}],[Ci.time.format("%I %p"),function(t){return t.getHours()}],[Ci.time.format("%I:%M"),function(t){return t.getMinutes()}],[Ci.time.format(":%S"),function(t){return t.getSeconds()}],[Ci.time.format(".%L"),function(t){return t.getMilliseconds()}]],nc=Ci.scale.linear(),ec=Si(tc);Qo.year=function(t,n){return nc.domain(t.map(Ei)).ticks(n).map(ki)},Ci.time.scale=function(){return xi(Ci.scale.linear(),Qo,ec)};var rc=Qo.map(function(t){return[t[0].utc,t[1]]}),uc=[[Ci.time.format.utc("%Y"),o],[Ci.time.format.utc("%B"),function(t){return t.getUTCMonth()}],[Ci.time.format.utc("%b %d"),function(t){return 1!=t.getUTCDate()}],[Ci.time.format.utc("%a %d"),function(t){return t.getUTCDay()&&1!=t.getUTCDate()}],[Ci.time.format.utc("%I %p"),function(t){return t.getUTCHours()}],[Ci.time.format.utc("%I:%M"),function(t){return t.getUTCMinutes()}],[Ci.time.format.utc(":%S"),function(t){return t.getUTCSeconds()}],[Ci.time.format.utc(".%L"),function(t){return t.getUTCMilliseconds()}]],ic=Si(uc);return rc.year=function(t,n){return nc.domain(t.map(Ni)).ticks(n).map(Ai)},Ci.time.scale.utc=function(){return xi(Ci.scale.linear(),rc,ic)},Ci}();

detect-zoom.min.js

(function(e,t,n){"use strict";if(typeof module!=="undefined"&&module.exports){module.exports=n(t,e)}else if(typeof define==="function"&&define.amd){define(function(){return n(t,e)})}else{e[t]=n(t,e)}})(window,"detectZoom",function(){var e=function(){return window.devicePixelRatio||1};var t=function(){return{zoom:1,devicePxPerCssPx:1}};var n=function(){var t=Math.round(screen.deviceXDPI/screen.logicalXDPI*100)/100;return{zoom:t,devicePxPerCssPx:t*e()}};var i=function(){var t=Math.round(document.documentElement.offsetHeight/window.innerHeight*100)/100;return{zoom:t,devicePxPerCssPx:t*e()}};var r=function(){var t=Math.abs(window.orientation)==90?screen.height:screen.width;var n=t/window.innerWidth;return{zoom:n,devicePxPerCssPx:n*e()}};var o=function(){var t=function(e){return e.replace(/;/g," !important;")};var n=document.createElement("div");n.innerHTML="1<br>2<br>3<br>4<br>5<br>6<br>7<br>8<br>9<br>0";n.setAttribute("style",t("font: 100px/1em sans-serif; -webkit-text-size-adjust: none; height: auto; width: 1em; padding: 0; overflow: visible;"));var i=document.createElement("div");i.setAttribute("style",t("width:0; height:0; overflow:hidden; visibility:hidden; position: absolute;"));i.appendChild(n);document.body.appendChild(i);var r=1e3/n.clientHeight;r=Math.round(r*100)/100;document.body.removeChild(i);return{zoom:r,devicePxPerCssPx:r*e()}};var d=function(){var e=s("min--moz-device-pixel-ratio","",0,10,20,1e-4);e=Math.round(e*100)/100;return{zoom:e,devicePxPerCssPx:e}};var a=function(){return{zoom:d().zoom,devicePxPerCssPx:e()}};var u=function(){var t=window.outerWidth/window.innerWidth;t=Math.round(t*100)/100;return{zoom:t,devicePxPerCssPx:t*e()}};var s=function(e,t,n,i,r,o){var d;var a,u,s;if(window.matchMedia){d=window.matchMedia}else{a=document.getElementsByTagName("head")[0];u=document.createElement("style");a.appendChild(u);s=document.createElement("div");s.className="mediaQueryBinarySearch";s.style.display="none";document.body.appendChild(s);d=function(e){u.sheet.insertRule("@media "+e+"{.mediaQueryBinarySearch "+"{text-decoration: underline} }",0);var t=getComputedStyle(s,null).textDecoration=="underline";u.sheet.deleteRule(0);return{matches:t}}}var c=m(n,i,r);if(s){a.removeChild(u);document.body.removeChild(s)}return c;function m(n,i,r){var a=(n+i)/2;if(r<=0||i-n<o){return a}var u="("+e+":"+a+t+")";if(d(u).matches){return m(a,i,r-1)}else{return m(n,a,r-1)}}};var c=function(){var e=t;if(!isNaN(screen.logicalXDPI)&&!isNaN(screen.systemXDPI)){e=n}else if(window.navigator.msMaxTouchPoints){e=i}else if("ontouchstart"in window&&typeof document.body.style.webkitTextSizeAdjust==="string"){e=r}else if(typeof document.body.style.webkitTextSizeAdjust==="string"){e=o}else if(navigator.userAgent.indexOf("Opera")>=0){e=u}else if(window.devicePixelRatio){e=a}else if(d().zoom>.001){e=d}return e}();return{zoom:function(){return c().zoom},device:function(){return c().devicePxPerCssPx}}});

erpnext_links.css

path {
	stroke: #000;
	stroke-width: 0.5px;
}

path.chord {
	stroke-width: 0.1px;
	fill-opacity: 0.8;
}

.entity-group text {
	font-family: "Source Sans Pro", "sans serif";
	font-size: 14px;
}

erpnext_links.js

// Hi there. How are you doing?

// My sole purpose to learn d3.js was to show the relationships between the doctypes of erpnext
// and to highlight the complexity of the product
// This is not the epitome of d3.js code.
// But I do hope that I could guide you to understand the code below.

// You will need some basic understanding of d3.js - check out the first few tutorials
// at https://github.com/mbostock/d3/wiki/Tutorials

// I am using a dictionary to store all the properties and functions used to render the diagram.
// I like the clean representation it offers

// The execution starts by calling diagram.render() at the end of this file

// notes
// 1. I have used "entity" in place of the usual "group" terminology of d3.js as I find it more intuitive
// 2. d3.js understands arrays. So you need to map your data to array index values.
// In this case, we map source and target entity names to array index values in
// diagram.initialize_ids_and_matrix() and diagram.assign_relationship_values_to_matrix()

// credits
// d3.js library, its tutorials and examples - http://d3js.org
// Stack Overflow article to make d3.js responsive http://stackoverflow.com/questions/9400615/whats-the-best-way-to-make-a-d3-js-visualisation-layout-responsive
// detect-zoom - https://github.com/tombigel/detect-zoom

var diagram = {
	set_dimensions: function(width, height, scale) {
		// set the width, height, inner and outer radius of the diagram
		var width = width || 600,
			height = height || 600,
			outer_radius = Math.min(width, height) / 2 - 10.0,
			scale = scale || 1;
		
		diagram.dimensions = {
			// double of these values is used to specify the size of the svg element
			width: width,
			height: height,
			
			// radius of the arcs (circle)
			outer_radius: outer_radius,
			inner_radius: outer_radius - 24.0,
			
			// position of origin of svg
			svg_position_x: width,
			svg_position_y: height * 0.8,
			
			// scale the svg
			scale: scale,
		};
		
		// why use a function? 
		// I wanted the diagram to be responsive, just like erpnext's website
		// Hence, I needed to set the values dynamically
	},
	
	opts: {
		// class of the container in which svg element will be created
		container_class: "rg-chord",
		
		// height to width ratio
		hw_ratio: 1.0,
		
		// set it to a higher value if you want 
		// non-related chords to be slightly visible on mouseover
		fade_out_opacity: 0.0,

		// max no of entities to be displayed in the chord diagram
		max_no_of_entities: 75,

		ignore: {
			// ignore list to truncate some data - used in diagram.get_data()
			entities: [],
			types: ["System", "Setup", "Other"]
		},
		
		// method to determine fill color for chords and arcs
		// index values i.e. 0, 1, 2, 3,.. are passed to diagram.opts.fill() 
		// and it returns corresponding color defined by range
		fill: d3.scale.ordinal()
			// range is passed a list of colors to use. see colorbrewer.js
			.range([]
				.concat(colorbrewer.BrBG[11])
				.concat(colorbrewer.Pastel1[9])
				.concat(colorbrewer.Spectral[11])
				.concat(colorbrewer.Set3[12])
				.concat(colorbrewer.PuBuGn[9])
			),

		// returns a method for fading, based on expected opacity
		// it is used to fade the unrelated chords on mouseover of entity arc
		fade: function(opacity) {
			return function(g) {
				diagram.elements.svg.selectAll("g.svg-group path.chord")
					// apply this opacity only on unrelated chords
					.filter(function(d) {
						return d.source.index != g.index && d.target.index != g.index;
					})
					// transition to opacity
					.transition(0)
						.delay(opacity==1 ? 100 : 0)
						.style("opacity", opacity);
			};
		},
	},
	
	render: function() {
		// and here we go!
		diagram.prepare_data_and_matrix();

		diagram.elements = {};
		
		diagram.make_svg_element();
		
		diagram.make_chord_diagram();
	},
	
	prepare_data_and_matrix: function() {
		diagram.data = diagram.get_data();
		diagram.initialize_ids_and_matrix();
		diagram.assign_relationship_values_to_matrix();
	},
	
	make_svg_element: function() {
		// select the chart
		var container = d3.select("." + diagram.opts.container_class);
		
		// remove svg elements if they exist
		container.selectAll("svg").remove();
		
		// set dimensions based on the width of the container's parent
		// its responsive baby!
		var target_width = parseFloat(d3.select(container.node().parentNode).style("width")) / 2;

		// the problem with making it responsive is that when zooming, it does not scale the diagram
		// this is because zooming also calls window resize
		// however, the window size remains same, hence we need to detect zoom too
		var scale = detectZoom.zoom();
		
		diagram.set_dimensions(target_width, diagram.opts.hw_ratio * target_width, scale)
		
		// now create an svg element
		diagram.elements.svg = container.append("svg")
				.attr("width", diagram.dimensions.width * 2 * diagram.dimensions.scale)
				.attr("height", diagram.dimensions.height * 2 * diagram.dimensions.scale)
			
			.append("g") // g is like div in svg
				.attr("class", "svg-group")
				// i think this is used to shift the origin 
				// because by default origin of svg is on the top left corner, 
				// but we want it centered
				.attr("transform", "translate(" 
					+ diagram.dimensions.svg_position_x * diagram.dimensions.scale + ","
					+ diagram.dimensions.svg_position_y * diagram.dimensions.scale + ")"
					+ "scale(" + diagram.dimensions.scale + ")"
				)
				
		// hmm. we also need to render again on resize of window
		d3.select(window).on("resize", function() {
			console.log("resized");
			diagram.render();
		});
	},
	
	make_chord_diagram: function() {
		diagram.prepare_chord_layout();
		
		// arcs represent entities
		diagram.make_arcs();
		
		// chords represent relationships
		diagram.make_chords();
	},
	
	initialize_ids_and_matrix: function() {
		// consolidate all possible unique entity names
		diagram.entity_names = [];
		diagram.data.forEach(function(relationship) {
			if(diagram.entity_names.indexOf(relationship.source)===-1)
				diagram.entity_names.push(relationship.source);
			
			if(diagram.entity_names.indexOf(relationship.target)===-1)
				diagram.entity_names.push(relationship.target);
			
		});
		
		// sorted entity names can be used to get entity name from id
		// id being the index value of the entity name in the array
		diagram.entity_names = diagram.entity_names.sort();
		
		// initialize ids
		// it is a map of entity names to array index values
		// because d3.js understands arrays (matrices) and not dictionaries
		diagram.entities = {};
		
		var n = 0;
		diagram.entity_names
			.forEach(function(entity_name) {
				diagram.entities[entity_name] = { id: n, name: entity_name };
				n++;
			});
		
		// store id values in data for ease of use
		diagram.data.forEach(function(relationship) {
			relationship.source_id = diagram.entities[relationship.source].id;
			relationship.target_id = diagram.entities[relationship.target].id;
		});
		
		// initialize matrix and set its elements to 0
		diagram.matrix = [];
		for(var i = 0; i < n; i++) {
			diagram.matrix[i] = [];
			for(var j = 0; j < n; j++) {
				diagram.matrix[i][j] = 0;
			}
		}
	},
	
	assign_relationship_values_to_matrix: function() {
		// matrix is required to give numeric values to relationships
		// matrix element (i, j) should represent weightage of relationship from i to j
		// it is a square matrix
		
		diagram.data.forEach(function(relationship) {
			diagram.matrix[relationship.source_id][relationship.target_id] = 1.0;
			
			// assigning some value to reverse relationship
			// so that the chord path appears thicker at the target
			// yet not the dominant relationship
			diagram.matrix[relationship.target_id][relationship.source_id] = 0.5;
		});
	},
	
	prepare_chord_layout: function() {
		// create a new chord layout object 
		diagram.layout = d3.layout.chord()
			.padding(0.04); // padding is the space between the entity arcs on the circle
		
		// assign matrix
		// on assiging matrix, d3 computes the data to be passed for generating chords and arcs
		diagram.layout.matrix(diagram.matrix);
	},
	
	make_arcs: function() {
		// arc generator - defines dimensions for the path of type arc
		var arc = d3.svg.arc()
			.innerRadius(diagram.dimensions.inner_radius)
			.outerRadius(diagram.dimensions.outer_radius);
			
		// make entity groups
		diagram.elements.entity_groups = diagram.elements.svg.selectAll("g.entity-group")
				.data(diagram.layout.groups) // assign computed entity id data to group
			.enter().append("g") // create new entity group elements for new data
				.attr("class", "entity-group");
				
		// add path having the shape of arc to each group element
		diagram.elements.entity_groups.append("path")
				.attr("d", arc)
				
				// fill color is based on the index value of the entity
				// it is used to automate color selection
				// you can pass a string color too
				.style("fill", function(d) { return diagram.opts.fill(d.index); })
				
				// add fade transitions
				.on("mouseover", diagram.opts.fade(diagram.opts.fade_out_opacity))
				.on("mouseout", diagram.opts.fade(1.0))
			
			// show title on hover - similar to tital attribute of html
			.append("title")
				// get text value of title using the index value
				.text(function(d) { return diagram.entity_names[d.index]; });
		
		// show protruding arc labels
		diagram.elements.entity_groups.append("text")
			// calculate angle at which the label needs to be shown
			// i.e. center of the start and end angle of the arc
			.each(function(d) { d.angle = (d.startAngle + d.endAngle) / 2; })
			
			// i think this acts as a padding and is used for centering the text between the arc
			.attr("dy", ".35em")
			
			// text-anchor is to svg what text-align is to html
			// by default, text is anchored at the start (left align)
			// for angles > 180 degrees, it needs to be anchored at the end (right align)
			.attr("text-anchor", function(d) { return d.angle > Math.PI ? "end": null; })
			
			// rotate the damn text already
			.attr("transform", function(d) {
					// first rotate by the derived angle
				return "rotate(" + (d.angle * 180 / Math.PI - 90) + ")"
					// it also needs to be moved to the outer edge of the arc
					+ "translate(" + (diagram.dimensions.outer_radius + 5) + ")"
					// also, if the angle is greater than 180, 
					// it should be rotated another 180 degrees for it to remain outside the arc
					+ (d.angle > Math.PI ? "rotate(180)" : "")
			})
			// alright.. here is the text which will be displayed
			.text(function(d) { return diagram.entity_names[d.index]; });
			
			// phew! lot of work just to display the text 
			// or maybe I overdid on the comments :(
	},
	
	make_chords: function() {
		// chord generator (quadratic bézier curve for the chords)
		// defines dimensions for the path of type chord
		var chord = d3.svg.chord()
			.radius(diagram.dimensions.inner_radius);
		
		diagram.elements.svg.selectAll("path.chord")
				// assign computed relationship weights to construct the chords
				.data(diagram.layout.chords)
			.enter().append("path")
					.attr("class", "chord")

					// add path having the shape of chord
					.attr("d", chord)
					
					// fill color is based on the index value of the SOURCE entity
					// it is used to automate color selection
					// you can pass a string color too
					.style("fill", function(d) { return diagram.opts.fill(d.source.index); })
					
				// show title on hover - similar to tital attribute of html		
				.append("title")
					// get text value of title using the index values of source and target
					.text(function(d) {
						return diagram.entity_names[d.source.index] + " is used in "
							+ diagram.entity_names[d.target.index];
					});
	},
	
	get_data: function() {
		// please ignore this function if you find it too complicated
		// i wrote it in a hurry to automate elimination of data based on two ignore lists
		
		var entity_count = {};
		
		_data.forEach(function(rel) {
			// if entity is to be igored, dont do anything
			if(diagram.opts.ignore.entities.indexOf(rel.source)!==-1 || diagram.opts.ignore.entities.indexOf(rel.target)!==-1)
				return;
			
			// if entity type is to be ignored, dont do anything
			if(diagram.opts.ignore.types.indexOf(rel.source_type)!==-1 || diagram.opts.ignore.types.indexOf(rel.target_type)!==-1)
				return;
			
			// else, increment the counter every time the entity is encountered in the data
			if(entity_count[rel.source]===undefined)
				entity_count[rel.source] = 0.0;
			entity_count[rel.source] += 1;
			
			if(entity_count[rel.target]===undefined)
				entity_count[rel.target] = 0.0;
			entity_count[rel.target] += 1;
		});
		
		// now sort in descending order based on the no. of times the entity is encountered
		// in our case, the entities with maximum number of relationships will be on top
		var valid_entities = d3.keys(entity_count).sort(function(a, b) {
			return entity_count[b] - entity_count[a];
		});
		
		// make max no of entities configurable!
		var max_no_of_entities = diagram.opts.max_no_of_entities;
		var container = d3.select("." + diagram.opts.container_class);
		if(container.attr("max_no_of_entities")) {
			max_no_of_entities = parseInt(container.attr("max_no_of_entities"));
		}
		
		// only select upto max_no_of_entities - used to show only limited no. of entities
		valid_entities.splice(max_no_of_entities+1, valid_entities.length);

		// prepare new list of relationships based on valid entities
		var new_data = [];
		_data.forEach(function(rel) {
			if(valid_entities.indexOf(rel.source)!==-1 && valid_entities.indexOf(rel.target)!==-1)
				new_data.push(rel);
		});
		
		return new_data;
	},
};

// define relationships - focus on "source" and "target"
// "source_type" and "target_type" is extra data used to selectively truncate data set
var _data = [
{"source": "Sale", "target_type": "Master", "target": "SaleDetail", "source_type": "Master"},
{"source": "SaleDetail", "target_type": "Master", "target": "Product", "source_type": "Master"},
{"source": "Product", "target_type": null, "target": "Brand", "source_type": "Master"},
{"source": "Sale", "target_type": null, "target": "Customer", "source_type": "Master"},
{"source": "Sale", "target_type": null, "target": "Seller", "source_type": "Master"},
];

// it all starts with render()
diagram.render();

index.html

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	<meta name="description" content="RG DocType Relationships" />
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