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Merge pull request #1067 from anthony-coble/add_word_cloud
Feature: word cloud visualization
This commit is contained in:
Arik Fraimovich
@@ -88,6 +88,8 @@
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<script src="/scripts/visualizations/table.js"></script>
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<script src="/scripts/visualizations/pivot.js"></script>
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<script src="/scripts/visualizations/date_range_selector.js"></script>
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<script src="/scripts/visualizations/wordcloud.js"></script>
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<script src="/scripts/vendor/cloud.js"></script>
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<script src="/scripts/directives/directives.js"></script>
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<script src="/scripts/directives/query_directives.js"></script>
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<script src="/scripts/directives/dashboard_directives.js"></script>
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505
rd_ui/app/scripts/vendor/cloud.js
vendored
Normal file
505
rd_ui/app/scripts/vendor/cloud.js
vendored
Normal file
@@ -0,0 +1,505 @@
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(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g=(g.d3||(g.d3 = {}));g=(g.layout||(g.layout = {}));g.cloud = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
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// Word cloud layout by Jason Davies, https://www.jasondavies.com/wordcloud/
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// Algorithm due to Jonathan Feinberg, http://static.mrfeinberg.com/bv_ch03.pdf
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var dispatch = require("d3-dispatch").dispatch;
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var cloudRadians = Math.PI / 180,
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cw = 1 << 11 >> 5,
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ch = 1 << 11;
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d3.cloud = function() {
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var size = [256, 256],
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text = cloudText,
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font = cloudFont,
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fontSize = cloudFontSize,
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fontStyle = cloudFontNormal,
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fontWeight = cloudFontNormal,
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rotate = cloudRotate,
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padding = cloudPadding,
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spiral = archimedeanSpiral,
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words = [],
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timeInterval = Infinity,
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event = dispatch("word", "end"),
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timer = null,
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random = Math.random,
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cloud = {},
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canvas = cloudCanvas;
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cloud.canvas = function(_) {
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return arguments.length ? (canvas = functor(_), cloud) : canvas;
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};
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cloud.start = function() {
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var contextAndRatio = getContext(canvas()),
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board = zeroArray((size[0] >> 5) * size[1]),
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bounds = null,
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n = words.length,
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i = -1,
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tags = [],
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data = words.map(function(d, i) {
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d.text = text.call(this, d, i);
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d.font = font.call(this, d, i);
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d.style = fontStyle.call(this, d, i);
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d.weight = fontWeight.call(this, d, i);
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d.rotate = rotate.call(this, d, i);
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d.size = ~~fontSize.call(this, d, i);
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d.padding = padding.call(this, d, i);
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return d;
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}).sort(function(a, b) { return b.size - a.size; });
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if (timer) clearInterval(timer);
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timer = setInterval(step, 0);
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step();
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return cloud;
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function step() {
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var start = Date.now();
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while (Date.now() - start < timeInterval && ++i < n && timer) {
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var d = data[i];
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d.x = (size[0] * (random() + .5)) >> 1;
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d.y = (size[1] * (random() + .5)) >> 1;
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cloudSprite(contextAndRatio, d, data, i);
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if (d.hasText && place(board, d, bounds)) {
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tags.push(d);
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event.word(d);
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if (bounds) cloudBounds(bounds, d);
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else bounds = [{x: d.x + d.x0, y: d.y + d.y0}, {x: d.x + d.x1, y: d.y + d.y1}];
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// Temporary hack
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d.x -= size[0] >> 1;
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d.y -= size[1] >> 1;
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}
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}
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if (i >= n) {
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cloud.stop();
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event.end(tags, bounds);
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}
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}
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}
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cloud.stop = function() {
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if (timer) {
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clearInterval(timer);
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timer = null;
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}
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return cloud;
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};
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function getContext(canvas) {
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canvas.width = canvas.height = 1;
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var ratio = Math.sqrt(canvas.getContext("2d").getImageData(0, 0, 1, 1).data.length >> 2);
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canvas.width = (cw << 5) / ratio;
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canvas.height = ch / ratio;
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var context = canvas.getContext("2d");
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context.fillStyle = context.strokeStyle = "red";
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context.textAlign = "center";
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return {context: context, ratio: ratio};
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}
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function place(board, tag, bounds) {
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var perimeter = [{x: 0, y: 0}, {x: size[0], y: size[1]}],
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startX = tag.x,
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startY = tag.y,
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maxDelta = Math.sqrt(size[0] * size[0] + size[1] * size[1]),
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s = spiral(size),
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dt = random() < .5 ? 1 : -1,
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t = -dt,
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dxdy,
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dx,
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dy;
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while (dxdy = s(t += dt)) {
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dx = ~~dxdy[0];
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dy = ~~dxdy[1];
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if (Math.min(Math.abs(dx), Math.abs(dy)) >= maxDelta) break;
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tag.x = startX + dx;
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tag.y = startY + dy;
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if (tag.x + tag.x0 < 0 || tag.y + tag.y0 < 0 ||
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tag.x + tag.x1 > size[0] || tag.y + tag.y1 > size[1]) continue;
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// TODO only check for collisions within current bounds.
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if (!bounds || !cloudCollide(tag, board, size[0])) {
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if (!bounds || collideRects(tag, bounds)) {
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var sprite = tag.sprite,
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w = tag.width >> 5,
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sw = size[0] >> 5,
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lx = tag.x - (w << 4),
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sx = lx & 0x7f,
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msx = 32 - sx,
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h = tag.y1 - tag.y0,
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x = (tag.y + tag.y0) * sw + (lx >> 5),
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last;
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for (var j = 0; j < h; j++) {
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last = 0;
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for (var i = 0; i <= w; i++) {
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board[x + i] |= (last << msx) | (i < w ? (last = sprite[j * w + i]) >>> sx : 0);
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}
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x += sw;
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}
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delete tag.sprite;
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return true;
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}
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}
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}
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return false;
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}
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cloud.timeInterval = function(_) {
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return arguments.length ? (timeInterval = _ == null ? Infinity : _, cloud) : timeInterval;
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};
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cloud.words = function(_) {
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return arguments.length ? (words = _, cloud) : words;
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};
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cloud.size = function(_) {
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return arguments.length ? (size = [+_[0], +_[1]], cloud) : size;
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};
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cloud.font = function(_) {
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return arguments.length ? (font = functor(_), cloud) : font;
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};
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cloud.fontStyle = function(_) {
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return arguments.length ? (fontStyle = functor(_), cloud) : fontStyle;
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};
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cloud.fontWeight = function(_) {
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return arguments.length ? (fontWeight = functor(_), cloud) : fontWeight;
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};
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cloud.rotate = function(_) {
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return arguments.length ? (rotate = functor(_), cloud) : rotate;
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};
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cloud.text = function(_) {
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return arguments.length ? (text = functor(_), cloud) : text;
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};
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cloud.spiral = function(_) {
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return arguments.length ? (spiral = spirals[_] || _, cloud) : spiral;
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};
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cloud.fontSize = function(_) {
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return arguments.length ? (fontSize = functor(_), cloud) : fontSize;
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};
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cloud.padding = function(_) {
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return arguments.length ? (padding = functor(_), cloud) : padding;
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};
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cloud.random = function(_) {
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return arguments.length ? (random = _, cloud) : random;
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};
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cloud.on = function() {
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var value = event.on.apply(event, arguments);
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return value === event ? cloud : value;
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};
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return cloud;
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};
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function cloudText(d) {
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return d.text;
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}
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function cloudFont() {
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return "serif";
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}
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function cloudFontNormal() {
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return "normal";
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}
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function cloudFontSize(d) {
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return Math.sqrt(d.value);
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}
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function cloudRotate() {
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return (~~(Math.random() * 6) - 3) * 30;
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}
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function cloudPadding() {
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return 1;
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}
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// Fetches a monochrome sprite bitmap for the specified text.
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// Load in batches for speed.
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function cloudSprite(contextAndRatio, d, data, di) {
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if (d.sprite) return;
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var c = contextAndRatio.context,
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ratio = contextAndRatio.ratio;
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c.clearRect(0, 0, (cw << 5) / ratio, ch / ratio);
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var x = 0,
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y = 0,
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maxh = 0,
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n = data.length;
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--di;
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while (++di < n) {
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d = data[di];
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c.save();
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c.font = d.style + " " + d.weight + " " + ~~((d.size + 1) / ratio) + "px " + d.font;
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var w = c.measureText(d.text + "m").width * ratio,
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h = d.size << 1;
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if (d.rotate) {
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var sr = Math.sin(d.rotate * cloudRadians),
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cr = Math.cos(d.rotate * cloudRadians),
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wcr = w * cr,
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wsr = w * sr,
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hcr = h * cr,
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hsr = h * sr;
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w = (Math.max(Math.abs(wcr + hsr), Math.abs(wcr - hsr)) + 0x1f) >> 5 << 5;
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h = ~~Math.max(Math.abs(wsr + hcr), Math.abs(wsr - hcr));
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} else {
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w = (w + 0x1f) >> 5 << 5;
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}
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if (h > maxh) maxh = h;
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if (x + w >= (cw << 5)) {
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x = 0;
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y += maxh;
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maxh = 0;
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}
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if (y + h >= ch) break;
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c.translate((x + (w >> 1)) / ratio, (y + (h >> 1)) / ratio);
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if (d.rotate) c.rotate(d.rotate * cloudRadians);
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c.fillText(d.text, 0, 0);
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if (d.padding) c.lineWidth = 2 * d.padding, c.strokeText(d.text, 0, 0);
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c.restore();
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d.width = w;
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d.height = h;
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d.xoff = x;
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d.yoff = y;
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d.x1 = w >> 1;
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d.y1 = h >> 1;
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d.x0 = -d.x1;
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d.y0 = -d.y1;
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d.hasText = true;
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x += w;
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}
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var pixels = c.getImageData(0, 0, (cw << 5) / ratio, ch / ratio).data,
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sprite = [];
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while (--di >= 0) {
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d = data[di];
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if (!d.hasText) continue;
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var w = d.width,
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w32 = w >> 5,
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h = d.y1 - d.y0;
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// Zero the buffer
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for (var i = 0; i < h * w32; i++) sprite[i] = 0;
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x = d.xoff;
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if (x == null) return;
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y = d.yoff;
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var seen = 0,
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seenRow = -1;
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for (var j = 0; j < h; j++) {
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for (var i = 0; i < w; i++) {
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var k = w32 * j + (i >> 5),
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m = pixels[((y + j) * (cw << 5) + (x + i)) << 2] ? 1 << (31 - (i % 32)) : 0;
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sprite[k] |= m;
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seen |= m;
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}
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if (seen) seenRow = j;
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else {
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d.y0++;
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h--;
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j--;
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y++;
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}
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}
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d.y1 = d.y0 + seenRow;
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d.sprite = sprite.slice(0, (d.y1 - d.y0) * w32);
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}
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}
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// Use mask-based collision detection.
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function cloudCollide(tag, board, sw) {
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sw >>= 5;
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var sprite = tag.sprite,
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w = tag.width >> 5,
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lx = tag.x - (w << 4),
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sx = lx & 0x7f,
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msx = 32 - sx,
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h = tag.y1 - tag.y0,
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x = (tag.y + tag.y0) * sw + (lx >> 5),
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last;
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for (var j = 0; j < h; j++) {
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last = 0;
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for (var i = 0; i <= w; i++) {
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if (((last << msx) | (i < w ? (last = sprite[j * w + i]) >>> sx : 0))
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& board[x + i]) return true;
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}
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x += sw;
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}
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return false;
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}
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function cloudBounds(bounds, d) {
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var b0 = bounds[0],
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b1 = bounds[1];
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if (d.x + d.x0 < b0.x) b0.x = d.x + d.x0;
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if (d.y + d.y0 < b0.y) b0.y = d.y + d.y0;
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if (d.x + d.x1 > b1.x) b1.x = d.x + d.x1;
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if (d.y + d.y1 > b1.y) b1.y = d.y + d.y1;
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}
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function collideRects(a, b) {
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return a.x + a.x1 > b[0].x && a.x + a.x0 < b[1].x && a.y + a.y1 > b[0].y && a.y + a.y0 < b[1].y;
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||||
}
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||||
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||||
function archimedeanSpiral(size) {
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var e = size[0] / size[1];
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||||
return function(t) {
|
||||
return [e * (t *= .1) * Math.cos(t), t * Math.sin(t)];
|
||||
};
|
||||
}
|
||||
|
||||
function rectangularSpiral(size) {
|
||||
var dy = 4,
|
||||
dx = dy * size[0] / size[1],
|
||||
x = 0,
|
||||
y = 0;
|
||||
return function(t) {
|
||||
var sign = t < 0 ? -1 : 1;
|
||||
// See triangular numbers: T_n = n * (n + 1) / 2.
|
||||
switch ((Math.sqrt(1 + 4 * sign * t) - sign) & 3) {
|
||||
case 0: x += dx; break;
|
||||
case 1: y += dy; break;
|
||||
case 2: x -= dx; break;
|
||||
default: y -= dy; break;
|
||||
}
|
||||
return [x, y];
|
||||
};
|
||||
}
|
||||
|
||||
// TODO reuse arrays?
|
||||
function zeroArray(n) {
|
||||
var a = [],
|
||||
i = -1;
|
||||
while (++i < n) a[i] = 0;
|
||||
return a;
|
||||
}
|
||||
|
||||
function cloudCanvas() {
|
||||
return document.createElement("canvas");
|
||||
}
|
||||
|
||||
function functor(d) {
|
||||
return typeof d === "function" ? d : function() { return d; };
|
||||
}
|
||||
|
||||
var spirals = {
|
||||
archimedean: archimedeanSpiral,
|
||||
rectangular: rectangularSpiral
|
||||
};
|
||||
|
||||
},{"d3-dispatch":2}],2:[function(require,module,exports){
|
||||
(function (global, factory) {
|
||||
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
|
||||
typeof define === 'function' && define.amd ? define(['exports'], factory) :
|
||||
factory((global.dispatch = {}));
|
||||
}(this, function (exports) { 'use strict';
|
||||
|
||||
function Dispatch(types) {
|
||||
var i = -1,
|
||||
n = types.length,
|
||||
callbacksByType = {},
|
||||
callbackByName = {},
|
||||
type,
|
||||
that = this;
|
||||
|
||||
that.on = function(type, callback) {
|
||||
type = parseType(type);
|
||||
|
||||
// Return the current callback, if any.
|
||||
if (arguments.length < 2) {
|
||||
return (callback = callbackByName[type.name]) && callback.value;
|
||||
}
|
||||
|
||||
// If a type was specified…
|
||||
if (type.type) {
|
||||
var callbacks = callbacksByType[type.type],
|
||||
callback0 = callbackByName[type.name],
|
||||
i;
|
||||
|
||||
// Remove the current callback, if any, using copy-on-remove.
|
||||
if (callback0) {
|
||||
callback0.value = null;
|
||||
i = callbacks.indexOf(callback0);
|
||||
callbacksByType[type.type] = callbacks = callbacks.slice(0, i).concat(callbacks.slice(i + 1));
|
||||
delete callbackByName[type.name];
|
||||
}
|
||||
|
||||
// Add the new callback, if any.
|
||||
if (callback) {
|
||||
callback = {value: callback};
|
||||
callbackByName[type.name] = callback;
|
||||
callbacks.push(callback);
|
||||
}
|
||||
}
|
||||
|
||||
// Otherwise, if a null callback was specified, remove all callbacks with the given name.
|
||||
else if (callback == null) {
|
||||
for (var otherType in callbacksByType) {
|
||||
if (callback = callbackByName[otherType + type.name]) {
|
||||
callback.value = null;
|
||||
var callbacks = callbacksByType[otherType], i = callbacks.indexOf(callback);
|
||||
callbacksByType[otherType] = callbacks.slice(0, i).concat(callbacks.slice(i + 1));
|
||||
delete callbackByName[callback.name];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return that;
|
||||
};
|
||||
|
||||
while (++i < n) {
|
||||
type = types[i] + "";
|
||||
if (!type || (type in that)) throw new Error("illegal or duplicate type: " + type);
|
||||
callbacksByType[type] = [];
|
||||
that[type] = applier(type);
|
||||
}
|
||||
|
||||
function parseType(type) {
|
||||
var i = (type += "").indexOf("."), name = type;
|
||||
if (i >= 0) type = type.slice(0, i); else name += ".";
|
||||
if (type && !callbacksByType.hasOwnProperty(type)) throw new Error("unknown type: " + type);
|
||||
return {type: type, name: name};
|
||||
}
|
||||
|
||||
function applier(type) {
|
||||
return function() {
|
||||
var callbacks = callbacksByType[type], // Defensive reference; copy-on-remove.
|
||||
callback,
|
||||
callbackValue,
|
||||
i = -1,
|
||||
n = callbacks.length;
|
||||
|
||||
while (++i < n) {
|
||||
if (callbackValue = (callback = callbacks[i]).value) {
|
||||
callbackValue.apply(this, arguments);
|
||||
}
|
||||
}
|
||||
|
||||
return that;
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
function dispatch() {
|
||||
return new Dispatch(arguments);
|
||||
}
|
||||
|
||||
dispatch.prototype = Dispatch.prototype; // allow instanceof
|
||||
|
||||
exports.dispatch = dispatch;
|
||||
|
||||
}));
|
||||
},{}]},{},[1])(1)
|
||||
});
|
||||
97
rd_ui/app/scripts/visualizations/wordcloud.js
Normal file
97
rd_ui/app/scripts/visualizations/wordcloud.js
Normal file
@@ -0,0 +1,97 @@
|
||||
(function () {
|
||||
var wordCloudVisualization = angular.module('redash.visualization');
|
||||
|
||||
wordCloudVisualization.config(['VisualizationProvider', function (VisualizationProvider) {
|
||||
VisualizationProvider.registerVisualization({
|
||||
type: 'WORD_CLOUD',
|
||||
name: 'Word Cloud',
|
||||
renderTemplate: '<word-cloud-renderer options="visualization.options" query-result="queryResult"></word-cloud-renderer>',
|
||||
editorTemplate: '<word-cloud-editor></word-cloud-editor>'
|
||||
});
|
||||
}]);
|
||||
|
||||
wordCloudVisualization.directive('wordCloudRenderer', function () {
|
||||
return {
|
||||
restrict: 'E',
|
||||
link: function($scope, elem, attrs) {
|
||||
|
||||
reloadCloud = function () {
|
||||
|
||||
if (!angular.isDefined($scope.queryResult)) retun;
|
||||
data = $scope.queryResult.getData();
|
||||
cloud = d3.cloud;
|
||||
|
||||
wordsHash = {};
|
||||
if($scope.visualization.options.column){
|
||||
data.map(function(d) {
|
||||
d[$scope.visualization.options.column]
|
||||
.toString()
|
||||
.split(' ')
|
||||
.map(function(d) {
|
||||
if (d in wordsHash) {
|
||||
wordsHash[d]+=1;
|
||||
} else {
|
||||
wordsHash[d]=1;
|
||||
}
|
||||
})
|
||||
})
|
||||
}
|
||||
|
||||
wordList = [];
|
||||
for(var key in wordsHash) {
|
||||
wordList.push({text: key, size: 10 + Math.pow(wordsHash[key],2)});
|
||||
}
|
||||
|
||||
var fill = d3.scale.category20();
|
||||
|
||||
var layout = cloud()
|
||||
.size([500, 500])
|
||||
.words(wordList)
|
||||
.padding(5)
|
||||
.rotate(function() { return ~~(Math.random() * 2) * 90; })
|
||||
.font("Impact")
|
||||
.fontSize(function(d) { return d.size; })
|
||||
.on("end", draw);
|
||||
|
||||
layout.start();
|
||||
|
||||
function draw(words) {
|
||||
d3.select(elem[0].parentNode)
|
||||
.select("svg")
|
||||
.remove();
|
||||
|
||||
d3.select(elem[0].parentNode)
|
||||
.append("svg")
|
||||
.attr("width", layout.size()[0])
|
||||
.attr("height", layout.size()[1])
|
||||
.append("g")
|
||||
.attr("transform", "translate(" + layout.size()[0] / 2 + "," + layout.size()[1] / 2 + ")")
|
||||
.selectAll("text")
|
||||
.data(words)
|
||||
.enter().append("text")
|
||||
.style("font-size", function(d) { return d.size + "px"; })
|
||||
.style("font-family", "Impact")
|
||||
.style("fill", function(d, i) { return fill(i); })
|
||||
.attr("text-anchor", "middle")
|
||||
.attr("transform", function(d) {
|
||||
return "translate(" + [d.x, d.y] + ")rotate(" + d.rotate + ")";
|
||||
})
|
||||
.text(function(d) { return d.text; });
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
$scope.$watch('queryResult && queryResult.getData()', reloadCloud);
|
||||
$scope.$watch('visualization.options.column', reloadCloud);
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
wordCloudVisualization.directive('wordCloudEditor', function() {
|
||||
return {
|
||||
restrict: 'E',
|
||||
templateUrl: '/views/visualizations/word_cloud_editor.html'
|
||||
};
|
||||
});
|
||||
|
||||
})();
|
||||
3
rd_ui/app/views/visualizations/word_cloud.html
Normal file
3
rd_ui/app/views/visualizations/word_cloud.html
Normal file
@@ -0,0 +1,3 @@
|
||||
<div>
|
||||
|
||||
</div>
|
||||
8
rd_ui/app/views/visualizations/word_cloud_editor.html
Normal file
8
rd_ui/app/views/visualizations/word_cloud_editor.html
Normal file
@@ -0,0 +1,8 @@
|
||||
<div class="form-horizontal">
|
||||
<div class="form-group">
|
||||
<label class="col-lg-6">Word Cloud Column Name</label>
|
||||
<div class="col-lg-6">
|
||||
<select ng-options="name for name in queryResult.columnNames" ng-model="visualization.options.column" class="form-control"></select>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
Reference in New Issue
Block a user