672 lines
25 KiB
JavaScript
672 lines
25 KiB
JavaScript
require('../../support/test_helper');
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var assert = require('../../support/assert');
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var TestClient = require('../../support/test-client');
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var dot = require('dot');
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describe('analysis-layers use cases', function() {
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var multitypeStyleTemplate = dot.template([
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"#points['mapnik::geometry_type'=1] {",
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" marker-fill-opacity: {{=it._opacity}};",
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" marker-line-color: #FFF;",
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" marker-line-width: 0.5;",
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" marker-line-opacity: {{=it._opacity}};",
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" marker-placement: point;",
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" marker-type: ellipse;",
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" marker-width: 8;",
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" marker-fill: {{=it._color}};",
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" marker-allow-overlap: true;",
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"}",
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"#lines['mapnik::geometry_type'=2] {",
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" line-color: {{=it._color}};",
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" line-width: 2;",
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" line-opacity: {{=it._opacity}};",
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"}",
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"#polygons['mapnik::geometry_type'=3] {",
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" polygon-fill: {{=it._color}};",
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" polygon-opacity: {{=it._opacity}};",
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" line-color: #FFF;",
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" line-width: 0.5;",
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" line-opacity: {{=it._opacity}};",
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"}"
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].join('\n'));
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function cartocss(color, opacity) {
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return multitypeStyleTemplate({
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_color: color || '#F11810',
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_opacity: Number.isFinite(opacity) ? opacity : 1
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});
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}
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function mapConfig(layers, dataviews, analysis) {
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return {
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version: '1.5.0',
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layers: layers,
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dataviews: dataviews || {},
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analysis: analysis || []
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};
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}
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function analysisDef(analysis) {
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return JSON.stringify(analysis);
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}
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var DEFAULT_MULTITYPE_STYLE = cartocss();
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var TILE_ANALYSIS_TABLES = { z: 14, x: 8023, y: 6177 };
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var useCases = [
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{
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desc: '1 mapnik layer',
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mapConfig: {
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version: '1.5.0',
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layers: [
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{
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type: 'cartodb',
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options: {
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sql: "select * from analysis_rent_listings",
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cartocss: DEFAULT_MULTITYPE_STYLE,
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cartocss_version: '2.3.0'
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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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desc: '2 mapnik layers',
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mapConfig: mapConfig([
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{
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type: 'cartodb',
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options: {
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sql: "select * from analysis_banks",
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cartocss: cartocss('#2167AB'),
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cartocss_version: '2.3.0'
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}
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},
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{
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type: 'cartodb',
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options: {
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sql: "select * from analysis_rent_listings",
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cartocss: DEFAULT_MULTITYPE_STYLE,
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cartocss_version: '2.3.0'
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}
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}
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])
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},
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{
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desc: 'rent listings + buffer over atm-machines',
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mapConfig: mapConfig([
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{
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type: 'cartodb',
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options: {
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sql: "select * from analysis_rent_listings",
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cartocss: DEFAULT_MULTITYPE_STYLE,
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cartocss_version: '2.3.0'
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}
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},
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{
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type: 'analysis',
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options: {
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def: analysisDef({
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"type": "buffer",
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"params": {
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"source": {
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"type": "source",
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"params": {
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"query": "select * from analysis_banks"
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}
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},
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"radius": 250
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}
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}),
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cartocss: cartocss('black', 0.5)
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}
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}
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])
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},
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{
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desc: 'rent listings + point-in-polygon from buffer atm-machines and rent listings',
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mapConfig: mapConfig([
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{
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type: 'cartodb',
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options: {
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sql: "select * from analysis_rent_listings",
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cartocss: DEFAULT_MULTITYPE_STYLE,
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cartocss_version: '2.3.0'
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}
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},
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{
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type: 'analysis',
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options: {
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def: analysisDef({
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"type": "point-in-polygon",
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"params": {
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"pointsSource": {
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"type": "source",
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"params": {
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"query": "select * from analysis_rent_listings"
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}
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},
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"polygonsSource": {
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"type": "buffer",
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"params": {
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"source": {
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"type": "source",
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"params": {
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"query": "select * from analysis_banks"
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}
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},
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"radius": 250
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}
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}
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}
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}),
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cartocss: cartocss('green', 1.0)
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}
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}
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])
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},
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{
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desc: 'point-in-polygon from buffer atm-machines and rent listings + rent listings',
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mapConfig: mapConfig([
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{
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type: 'analysis',
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options: {
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def: analysisDef({
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"type": "point-in-polygon",
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"params": {
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"pointsSource": {
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"type": "source",
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"params": {
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"query": "select * from analysis_rent_listings"
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}
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},
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"polygonsSource": {
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"type": "buffer",
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"params": {
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"source": {
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"type": "source",
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"params": {
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"query": "select * from analysis_banks"
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}
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},
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"radius": 250
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}
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}
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}
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}),
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cartocss: cartocss('green', 1.0)
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}
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},
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{
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type: 'cartodb',
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options: {
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sql: "select * from analysis_rent_listings",
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cartocss: DEFAULT_MULTITYPE_STYLE,
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cartocss_version: '2.3.0'
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}
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}
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])
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},
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{
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desc: 'buffer + point-in-polygon from buffer atm-machines and rent listings + rent listings',
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mapConfig: mapConfig([
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{
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type: 'cartodb',
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options: {
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sql: "select * from analysis_rent_listings",
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cartocss: DEFAULT_MULTITYPE_STYLE,
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cartocss_version: '2.3.0'
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}
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},
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{
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type: 'analysis',
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options: {
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def: analysisDef({
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"type": "buffer",
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"params": {
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"source": {
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"type": "source",
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"params": {
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"query": "select * from analysis_banks"
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}
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},
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"radius": 300
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}
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}),
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cartocss: cartocss('magenta', 0.5)
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}
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},
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{
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type: 'analysis',
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options: {
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def: analysisDef({
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"type": "point-in-polygon",
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"params": {
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"pointsSource": {
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"type": "source",
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"params": {
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"query": "select * from analysis_rent_listings"
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}
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},
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"polygonsSource": {
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"type": "buffer",
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"params": {
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"source": {
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"type": "source",
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"params": {
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"query": "select * from analysis_banks"
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}
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},
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"radius": 300
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}
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}
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}
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}),
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cartocss: cartocss('green', 1.0)
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}
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}
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])
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},
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{
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skip: true,
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desc: 'buffer + point-in-polygon from buffer atm-machines and rent listings + rent listings',
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mapConfig: mapConfig([
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{
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type: 'cartodb',
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options: {
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"source": { id: "a" },
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"cartocss": DEFAULT_MULTITYPE_STYLE,
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"cartocss_version": "2.3.0"
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}
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},
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{
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type: 'cartodb',
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options: {
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"source": { id: "b1" },
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"cartocss": cartocss('green', 1.0),
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"cartocss_version": "2.3.0"
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}
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},
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{
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type: 'cartodb',
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options: {
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"source": { id: "b2" },
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"cartocss": cartocss('magenta', 0.5),
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"cartocss_version": "2.3.0"
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}
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}
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],
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[
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{
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id: "b2",
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options: {
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def: analysisDef({
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"type": "count-in-polygon",
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"id": "a0",
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"params": {
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"columnName": 'count_airbnb',
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"pointsSource": {
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"type": "source",
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"params": {
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query: "select * from analysis_rent_listings"
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},
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dataviews: {
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price_histogram: {
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type: 'histogram',
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options: {
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column: 'price'
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}
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}
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}
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},
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"polygonsSource": {
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"id": "b1",
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"type": "buffer",
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"params": {
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"source": {
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"id": "b0",
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"type": "source",
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"params": {
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query: "select * from analysis_banks"
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}
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},
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"radius": 250
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},
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dataviews: {
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bank_category: {
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type: 'aggregation',
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options: {
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column: 'bank'
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}
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}
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}
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}
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},
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dataviews: {
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count_histogram: {
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type: 'histogram',
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options: {
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column: 'count_airbnb'
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}
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}
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}
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}),
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cartocss: cartocss('green', 1.0)
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}
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}
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])
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},
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{
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skip: true,
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desc: 'I. Distribution centers',
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mapConfig: mapConfig(
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// layers
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[
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{
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type: 'cartodb',
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options: {
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"source": { id: "b0" },
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"cartocss": [
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"#distribution_centers {",
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" marker-fill-opacity: 1.0;",
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" marker-line-color: #FFF;",
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" marker-line-width: 0.5;",
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" marker-line-opacity: 0.7;",
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" marker-placement: point;",
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" marker-type: ellipse;",
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" marker-width: 8;",
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" marker-fill: blue;",
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" marker-allow-overlap: true;",
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"}"
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].join('\n'),
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"cartocss_version": "2.3.0"
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}
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},
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{
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type: 'cartodb',
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options: {
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"source": { id: "a0" },
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"cartocss": [
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"#shops {",
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" marker-fill-opacity: 1.0;",
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" marker-line-color: #FFF;",
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" marker-line-width: 0.5;",
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" marker-line-opacity: 0.7;",
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" marker-placement: point;",
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" marker-type: ellipse;",
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" marker-width: 8;",
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" marker-fill: red;",
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" marker-allow-overlap: true;",
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"}"
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].join('\n'),
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"cartocss_version": "2.3.0"
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}
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},
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{
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type: 'cartodb',
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options: {
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"source": { id: "a1" },
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"cartocss": [
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"#routing {",
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" line-color: ramp([routing_time], colorbrewer(Reds));",
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" line-width: ramp([routing_time], 2, 8);",
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" line-opacity: 1.0;",
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"}"
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].join('\n'),
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"cartocss_version": "2.3.0"
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}
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}
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],
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// dataviews
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{
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distribution_center_name_category: {
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source: { id: 'b0' },
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type: 'aggregation',
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options: {
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column: 'name'
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}
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},
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time_histogram: {
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source: { id: 'a1' },
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type: 'histogram',
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options: {
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column: 'routing_time'
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}
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},
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distance_histogram: {
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source: { id: 'a1' },
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type: 'histogram',
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options: {
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column: 'routing_distance'
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}
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}
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},
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// analysis
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[
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{
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id: 'a1',
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type: 'routing-n-to-n',
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params: {
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// distanceColumn: 'routing_distance',
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// timeColumn: 'routing_time',
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originSource: {
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id: 'b0',
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type: 'source',
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params: {
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query: 'select * from distribution_centers'
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}
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},
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destinationSource: {
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id: 'a0',
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type: 'source',
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params: {
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query: 'select * from shops'
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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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},
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{
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skip: true,
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desc: 'II. Population analysis',
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mapConfig: mapConfig(
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// layers
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[
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{
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type: 'cartodb',
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options: {
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"source": { id: "a2" },
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"cartocss": [
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"#count_in_polygon {",
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" polygon-opacity: 1.0",
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" line-color: #FFF;",
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" line-width: 0.5;",
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" line-opacity: 0.7",
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" polygon-fill: ramp([estimated_people], colorbrewer(Reds));",
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"}"
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].join('\n'),
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"cartocss_version": "2.3.0"
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}
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},
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{
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type: 'cartodb',
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options: {
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"source": { id: "a0" },
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"cartocss": DEFAULT_MULTITYPE_STYLE,
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"cartocss_version": "2.3.0"
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}
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}
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],
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// dataviews
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{
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total_population_formula: {
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"source": { id: "a3" },
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type: 'formula',
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options: {
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column: 'total_population',
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operation: 'sum'
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}
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},
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people_histogram: { // this injects a range filter at `a2` node output
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"source": { id: "a2" },
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type: 'histogram',
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options: {
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column: 'estimated_people'
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}
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},
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subway_line_category: { // this injects a category filter at `a0` node output
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"source": { id: "a0" },
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type: 'aggregation',
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options: {
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column: 'subway_line'
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}
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}
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},
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// analysis
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[
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{
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id: 'a3',
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// this will union the polygons, produce just one polygon, and calculate the total population for it
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type: 'total-population',
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params: {
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columnName: 'total_population',
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source: {
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id: 'a2',
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type: 'estimated-population',
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params: {
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columnName: 'estimated_people',
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source: {
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id: 'a1',
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type: 'trade-area',
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params: {
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source: {
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"id": "a0",
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"type": "source",
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"params": {
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query: "select * from subway_stops"
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}
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},
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kind: 'walk',
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time: 300
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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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])
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},
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{
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skip: true,
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desc: 'III. Point in polygon',
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mapConfig: mapConfig(
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// layers
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[
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{
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type: 'cartodb',
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options: {
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"source": { id: "a1" },
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"cartocss": [
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"#count_in_polygon {",
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" polygon-opacity: 1.0",
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" line-color: #FFF;",
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" line-width: 0.5;",
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" line-opacity: 0.7",
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" polygon-fill: ramp([count_people], colorbrewer(Reds));",
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"}"
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].join('\n'),
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"cartocss_version": "2.3.0"
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}
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}
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],
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// dataviews
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{
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age_histogram: {
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"source": { id: "a0" },
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type: 'histogram',
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options: {
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column: 'age'
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}
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},
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income_histogram: {
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"source": { id: "a0" },
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type: 'histogram',
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options: {
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column: 'income'
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}
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},
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gender_category: {
|
|
"source": { id: "a0" },
|
|
type: 'aggregation',
|
|
options: {
|
|
column: 'gender'
|
|
}
|
|
}
|
|
},
|
|
// analysis
|
|
[
|
|
{
|
|
"id": "a1",
|
|
"type": "count-in-polygon",
|
|
"params": {
|
|
"columnName": 'count_people',
|
|
"pointsSource": {
|
|
"id": 'a0',
|
|
"type": "source",
|
|
"params": {
|
|
query: "select the_geom, age, gender, income from people"
|
|
}
|
|
},
|
|
"polygonsSource": {
|
|
"id": "b0",
|
|
"type": "source",
|
|
"params": {
|
|
query: "select * from postal_codes"
|
|
}
|
|
}
|
|
}
|
|
}
|
|
]
|
|
)
|
|
}
|
|
|
|
];
|
|
|
|
useCases.forEach(function(useCase, imageIdx) {
|
|
if (!!useCase.skip) {
|
|
console.log(JSON.stringify(useCase.mapConfig, null, 4));
|
|
}
|
|
it.skip('should implement use case: "' + useCase.desc + '"', function(done) {
|
|
|
|
var testClient = new TestClient(useCase.mapConfig, 1234);
|
|
|
|
var tile = useCase.tile || TILE_ANALYSIS_TABLES;
|
|
|
|
testClient.getTile(tile.z, tile.x, tile.y, function(err, res, image) {
|
|
assert.ok(!err, err);
|
|
|
|
image.save('/tmp/tests/' + imageIdx + '---' + useCase.desc.replace(/\s/g, '-') + '.png');
|
|
|
|
assert.equal(image.width(), 256);
|
|
|
|
testClient.drain(done);
|
|
});
|
|
});
|
|
});
|
|
});
|