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New chart type : Chord Diagrams (#3013)
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superset/assets/images/viz_thumbnails/chord.png
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superset/assets/images/viz_thumbnails/chord.png
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@ -334,11 +334,14 @@ export const controls = {
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type: 'SelectControl',
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type: 'SelectControl',
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multi: true,
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multi: true,
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label: 'Columns',
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label: 'Columns',
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mapStateToProps: state => ({
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choices: (state.datasource) ? state.datasource.gb_cols : [],
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}),
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default: [],
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default: [],
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description: 'One or many controls to pivot as columns',
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description: 'One or many controls to pivot as columns',
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optionRenderer: c => <ColumnOption column={c} />,
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valueRenderer: c => <ColumnOption column={c} />,
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valueKey: 'column_name',
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mapStateToProps: state => ({
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options: (state.datasource) ? state.datasource.columns : [],
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}),
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},
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},
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all_columns: {
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all_columns: {
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@ -1,5 +1,7 @@
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import { D3_TIME_FORMAT_OPTIONS } from './controls';
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import { D3_TIME_FORMAT_OPTIONS } from './controls';
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import * as v from '../validators';
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export const sections = {
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export const sections = {
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druidTimeSeries: {
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druidTimeSeries: {
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label: 'Time',
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label: 'Time',
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@ -635,6 +637,37 @@ const visTypes = {
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},
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},
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},
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},
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},
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},
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chord: {
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label: 'Chord Diagram',
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controlPanelSections: [
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{
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label: null,
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controlSetRows: [
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['groupby', 'columns'],
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['metric'],
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['row_limit', 'y_axis_format'],
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],
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},
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],
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controlOverrides: {
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y_axis_format: {
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label: 'Number format',
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description: 'Choose a number format',
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},
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groupby: {
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label: 'Source',
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multi: false,
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validators: [v.nonEmpty],
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description: 'Choose a source',
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},
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columns: {
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label: 'Target',
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multi: false,
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validators: [v.nonEmpty],
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description: 'Choose a target',
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},
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},
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},
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country_map: {
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country_map: {
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label: 'Country Map',
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label: 'Country Map',
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controlPanelSections: [
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controlPanelSections: [
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@ -65,7 +65,7 @@
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"react-ace": "^5.0.1",
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"react-ace": "^5.0.1",
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"react-addons-css-transition-group": "^15.6.0",
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"react-addons-css-transition-group": "^15.6.0",
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"react-addons-shallow-compare": "^15.4.2",
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"react-addons-shallow-compare": "^15.4.2",
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"react-alert": "^2.0.1",
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"react-alert": "^1.0.14",
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"react-bootstrap": "^0.31.0",
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"react-bootstrap": "^0.31.0",
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"react-bootstrap-table": "^3.1.7",
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"react-bootstrap-table": "^3.1.7",
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"react-dom": "^15.5.1",
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"react-dom": "^15.5.1",
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17
superset/assets/visualizations/chord.css
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17
superset/assets/visualizations/chord.css
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@ -0,0 +1,17 @@
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.chord svg #circle circle {
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fill: none;
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pointer-events: all;
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}
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.chord svg .group path {
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fill-opacity: .6;
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}
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.chord svg path.chord {
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stroke: #000;
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stroke-width: .25px;
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}
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.chord svg #circle:hover path.fade {
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opacity: 0.2;
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}
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101
superset/assets/visualizations/chord.jsx
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101
superset/assets/visualizations/chord.jsx
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@ -0,0 +1,101 @@
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/* eslint-disable no-param-reassign */
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import d3 from 'd3';
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import { category21 } from '../javascripts/modules/colors';
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import './chord.css';
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function chordViz(slice, json) {
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slice.container.html('');
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const div = d3.select(slice.selector);
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const nodes = json.data.nodes;
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const fd = slice.formData;
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const f = d3.format(fd.y_axis_format);
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const width = slice.width();
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const height = slice.height();
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const outerRadius = Math.min(width, height) / 2 - 10;
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const innerRadius = outerRadius - 24;
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let chord;
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const arc = d3.svg.arc()
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.innerRadius(innerRadius)
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.outerRadius(outerRadius);
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const layout = d3.layout.chord()
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.padding(0.04)
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.sortSubgroups(d3.descending)
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.sortChords(d3.descending);
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const path = d3.svg.chord()
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.radius(innerRadius);
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const svg = div.append('svg')
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.attr('width', width)
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.attr('height', height)
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.on('mouseout', () => chord.classed('fade', false))
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.append('g')
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.attr('id', 'circle')
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.attr('transform', `translate(${width / 2}, ${height / 2})`);
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svg.append('circle')
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.attr('r', outerRadius);
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// Compute the chord layout.
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layout.matrix(json.data.matrix);
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const group = svg.selectAll('.group')
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.data(layout.groups)
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.enter().append('g')
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.attr('class', 'group')
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.on('mouseover', (d, i) => {
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chord.classed('fade', p => p.source.index !== i && p.target.index !== i);
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});
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// Add a mouseover title.
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group.append('title').text((d, i) => `${nodes[i]}: ${f(d.value)}`);
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// Add the group arc.
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const groupPath = group.append('path')
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.attr('id', (d, i) => 'group' + i)
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.attr('d', arc)
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.style('fill', (d, i) => category21(nodes[i]));
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// Add a text label.
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const groupText = group.append('text')
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.attr('x', 6)
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.attr('dy', 15);
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groupText.append('textPath')
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.attr('xlink:href', (d, i) => `#group${i}`)
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.text((d, i) => nodes[i]);
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// Remove the labels that don't fit. :(
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groupText.filter(function (d, i) {
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return groupPath[0][i].getTotalLength() / 2 - 16 < this.getComputedTextLength();
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})
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.remove();
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// Add the chords.
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chord = svg.selectAll('.chord')
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.data(layout.chords)
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.enter().append('path')
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.attr('class', 'chord')
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.on('mouseover', (d) => {
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chord.classed('fade', p => p !== d);
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})
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.style('fill', d => category21(nodes[d.source.index]))
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.attr('d', path);
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// Add an elaborate mouseover title for each chord.
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chord.append('title').text(function (d) {
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return nodes[d.source.index]
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+ ' → ' + nodes[d.target.index]
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+ ': ' + f(d.source.value)
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+ '\n' + nodes[d.target.index]
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+ ' → ' + nodes[d.source.index]
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+ ': ' + f(d.target.value);
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});
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}
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module.exports = chordViz;
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@ -10,6 +10,7 @@ const vizMap = {
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cal_heatmap: require('./cal_heatmap.js'),
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cal_heatmap: require('./cal_heatmap.js'),
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compare: require('./nvd3_vis.js'),
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compare: require('./nvd3_vis.js'),
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directed_force: require('./directed_force.js'),
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directed_force: require('./directed_force.js'),
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chord: require('./chord.jsx'),
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dist_bar: require('./nvd3_vis.js'),
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dist_bar: require('./nvd3_vis.js'),
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filter_box: require('./filter_box.jsx'),
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filter_box: require('./filter_box.jsx'),
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heatmap: require('./heatmap.js'),
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heatmap: require('./heatmap.js'),
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@ -16,6 +16,7 @@ import uuid
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import zlib
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import zlib
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from collections import OrderedDict, defaultdict
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from collections import OrderedDict, defaultdict
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from itertools import product
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from datetime import datetime, timedelta
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from datetime import datetime, timedelta
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import pandas as pd
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import pandas as pd
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@ -1231,6 +1232,39 @@ class DirectedForceViz(BaseViz):
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return df.to_dict(orient='records')
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return df.to_dict(orient='records')
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class ChordViz(BaseViz):
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"""A Chord diagram"""
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viz_type = "chord"
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verbose_name = _("Directed Force Layout")
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credits = '<a href="https://github.com/d3/d3-chord">Bostock</a>'
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is_timeseries = False
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def query_obj(self):
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qry = super(ChordViz, self).query_obj()
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fd = self.form_data
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qry['groupby'] = [fd.get('groupby'), fd.get('columns')]
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qry['metrics'] = [fd.get('metric')]
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return qry
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def get_data(self, df):
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df.columns = ['source', 'target', 'value']
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# Preparing a symetrical matrix like d3.chords calls for
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nodes = list(set(df['source']) | set(df['target']))
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matrix = {}
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for source, target in product(nodes, nodes):
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matrix[(source, target)] = 0
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for source, target, value in df.to_records(index=False):
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matrix[(source, target)] = value
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m = [[matrix[(n1, n2)] for n1 in nodes] for n2 in nodes]
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return {
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'nodes': list(nodes),
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'matrix': m,
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}
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class CountryMapViz(BaseViz):
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class CountryMapViz(BaseViz):
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"""A country centric"""
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"""A country centric"""
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@ -1574,6 +1608,7 @@ viz_types_list = [
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DirectedForceViz,
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DirectedForceViz,
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SankeyViz,
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SankeyViz,
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CountryMapViz,
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CountryMapViz,
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ChordViz,
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WorldMapViz,
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WorldMapViz,
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FilterBoxViz,
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FilterBoxViz,
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IFrameViz,
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IFrameViz,
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