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Ported heatmap and hex density chart ops
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Matt
parent
5bb8eb22ec
commit
da2d5674a5
6 changed files with 1362 additions and 914 deletions
297
src/core/operations/legacy/Charts.js
Executable file
297
src/core/operations/legacy/Charts.js
Executable file
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import * as d3 from "d3";
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import Utils from "../Utils.js";
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/**
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* Charting operations.
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*
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* @author tlwr [toby@toby.com]
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* @copyright Crown Copyright 2016
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* @license Apache-2.0
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*
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* @namespace
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*/
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const Charts = {
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/**
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* Scatter chart operation.
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*
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* @param {string} input
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* @param {Object[]} args
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* @returns {html}
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*/
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runScatterChart: function (input, args) {
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const recordDelimiter = Utils.charRep[args[0]],
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fieldDelimiter = Utils.charRep[args[1]],
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columnHeadingsAreIncluded = args[2],
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fillColour = args[5],
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radius = args[6],
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colourInInput = args[7],
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dimension = 500;
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let xLabel = args[3],
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yLabel = args[4];
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let dataFunction = colourInInput ? Charts._getScatterValuesWithColour : Charts._getScatterValues;
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let { headings, values } = dataFunction(
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input,
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recordDelimiter,
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fieldDelimiter,
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columnHeadingsAreIncluded
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);
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if (headings) {
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xLabel = headings.x;
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yLabel = headings.y;
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}
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let svg = document.createElement("svg");
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svg = d3.select(svg)
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.attr("width", "100%")
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.attr("height", "100%")
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.attr("viewBox", `0 0 ${dimension} ${dimension}`);
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let margin = {
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top: 10,
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right: 0,
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bottom: 40,
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left: 30,
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},
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width = dimension - margin.left - margin.right,
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height = dimension - margin.top - margin.bottom,
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marginedSpace = svg.append("g")
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.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
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let xExtent = d3.extent(values, d => d[0]),
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xDelta = xExtent[1] - xExtent[0],
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yExtent = d3.extent(values, d => d[1]),
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yDelta = yExtent[1] - yExtent[0],
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xAxis = d3.scaleLinear()
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.domain([xExtent[0] - (0.1 * xDelta), xExtent[1] + (0.1 * xDelta)])
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.range([0, width]),
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yAxis = d3.scaleLinear()
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.domain([yExtent[0] - (0.1 * yDelta), yExtent[1] + (0.1 * yDelta)])
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.range([height, 0]);
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marginedSpace.append("clipPath")
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.attr("id", "clip")
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.append("rect")
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.attr("width", width)
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.attr("height", height);
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marginedSpace.append("g")
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.attr("class", "points")
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.attr("clip-path", "url(#clip)")
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.selectAll("circle")
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.data(values)
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.enter()
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.append("circle")
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.attr("cx", (d) => xAxis(d[0]))
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.attr("cy", (d) => yAxis(d[1]))
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.attr("r", d => radius)
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.attr("fill", d => {
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return colourInInput ? d[2] : fillColour;
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})
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.attr("stroke", "rgba(0, 0, 0, 0.5)")
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.attr("stroke-width", "0.5")
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.append("title")
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.text(d => {
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let x = d[0],
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y = d[1],
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tooltip = `X: ${x}\n
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Y: ${y}\n
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`.replace(/\s{2,}/g, "\n");
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return tooltip;
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});
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marginedSpace.append("g")
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.attr("class", "axis axis--y")
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.call(d3.axisLeft(yAxis).tickSizeOuter(-width));
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svg.append("text")
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.attr("transform", "rotate(-90)")
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.attr("y", -margin.left)
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.attr("x", -(height / 2))
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.attr("dy", "1em")
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.style("text-anchor", "middle")
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.text(yLabel);
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marginedSpace.append("g")
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.attr("class", "axis axis--x")
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.attr("transform", "translate(0," + height + ")")
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.call(d3.axisBottom(xAxis).tickSizeOuter(-height));
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svg.append("text")
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.attr("x", width / 2)
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.attr("y", dimension)
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.style("text-anchor", "middle")
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.text(xLabel);
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return svg._groups[0][0].outerHTML;
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},
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/**
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* Series chart operation.
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*
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* @param {string} input
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* @param {Object[]} args
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* @returns {html}
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*/
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runSeriesChart(input, args) {
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const recordDelimiter = Utils.charRep[args[0]],
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fieldDelimiter = Utils.charRep[args[1]],
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xLabel = args[2],
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pipRadius = args[3],
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seriesColours = args[4].split(","),
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svgWidth = 500,
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interSeriesPadding = 20,
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xAxisHeight = 50,
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seriesLabelWidth = 50,
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seriesHeight = 100,
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seriesWidth = svgWidth - seriesLabelWidth - interSeriesPadding;
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let { xValues, series } = Charts._getSeriesValues(input, recordDelimiter, fieldDelimiter),
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allSeriesHeight = Object.keys(series).length * (interSeriesPadding + seriesHeight),
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svgHeight = allSeriesHeight + xAxisHeight + interSeriesPadding;
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let svg = document.createElement("svg");
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svg = d3.select(svg)
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.attr("width", "100%")
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.attr("height", "100%")
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.attr("viewBox", `0 0 ${svgWidth} ${svgHeight}`);
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let xAxis = d3.scalePoint()
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.domain(xValues)
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.range([0, seriesWidth]);
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svg.append("g")
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.attr("class", "axis axis--x")
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.attr("transform", `translate(${seriesLabelWidth}, ${xAxisHeight})`)
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.call(
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d3.axisTop(xAxis).tickValues(xValues.filter((x, i) => {
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return [0, Math.round(xValues.length / 2), xValues.length -1].indexOf(i) >= 0;
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}))
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);
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svg.append("text")
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.attr("x", svgWidth / 2)
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.attr("y", xAxisHeight / 2)
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.style("text-anchor", "middle")
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.text(xLabel);
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let tooltipText = {},
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tooltipAreaWidth = seriesWidth / xValues.length;
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xValues.forEach(x => {
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let tooltip = [];
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series.forEach(serie => {
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let y = serie.data[x];
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if (typeof y === "undefined") return;
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tooltip.push(`${serie.name}: ${y}`);
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});
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tooltipText[x] = tooltip.join("\n");
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});
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let chartArea = svg.append("g")
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.attr("transform", `translate(${seriesLabelWidth}, ${xAxisHeight})`);
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chartArea
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.append("g")
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.selectAll("rect")
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.data(xValues)
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.enter()
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.append("rect")
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.attr("x", x => {
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return xAxis(x) - (tooltipAreaWidth / 2);
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})
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.attr("y", 0)
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.attr("width", tooltipAreaWidth)
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.attr("height", allSeriesHeight)
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.attr("stroke", "none")
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.attr("fill", "transparent")
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.append("title")
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.text(x => {
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return `${x}\n
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--\n
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${tooltipText[x]}\n
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`.replace(/\s{2,}/g, "\n");
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});
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let yAxesArea = svg.append("g")
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.attr("transform", `translate(0, ${xAxisHeight})`);
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series.forEach((serie, seriesIndex) => {
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let yExtent = d3.extent(Object.values(serie.data)),
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yAxis = d3.scaleLinear()
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.domain(yExtent)
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.range([seriesHeight, 0]);
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let seriesGroup = chartArea
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.append("g")
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.attr("transform", `translate(0, ${seriesHeight * seriesIndex + interSeriesPadding * (seriesIndex + 1)})`);
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let path = "";
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xValues.forEach((x, xIndex) => {
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let nextX = xValues[xIndex + 1],
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y = serie.data[x],
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nextY= serie.data[nextX];
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if (typeof y === "undefined" || typeof nextY === "undefined") return;
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x = xAxis(x); nextX = xAxis(nextX);
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y = yAxis(y); nextY = yAxis(nextY);
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path += `M ${x} ${y} L ${nextX} ${nextY} z `;
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});
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seriesGroup
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.append("path")
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.attr("d", path)
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.attr("fill", "none")
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.attr("stroke", seriesColours[seriesIndex % seriesColours.length])
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.attr("stroke-width", "1");
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xValues.forEach(x => {
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let y = serie.data[x];
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if (typeof y === "undefined") return;
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seriesGroup
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.append("circle")
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.attr("cx", xAxis(x))
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.attr("cy", yAxis(y))
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.attr("r", pipRadius)
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.attr("fill", seriesColours[seriesIndex % seriesColours.length])
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.append("title")
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.text(d => {
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return `${x}\n
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--\n
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${tooltipText[x]}\n
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`.replace(/\s{2,}/g, "\n");
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});
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});
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yAxesArea
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.append("g")
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.attr("transform", `translate(${seriesLabelWidth - interSeriesPadding}, ${seriesHeight * seriesIndex + interSeriesPadding * (seriesIndex + 1)})`)
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.attr("class", "axis axis--y")
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.call(d3.axisLeft(yAxis).ticks(5));
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yAxesArea
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.append("g")
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.attr("transform", `translate(0, ${seriesHeight / 2 + seriesHeight * seriesIndex + interSeriesPadding * (seriesIndex + 1)})`)
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.append("text")
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.style("text-anchor", "middle")
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.attr("transform", "rotate(-90)")
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.text(serie.name);
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});
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return svg._groups[0][0].outerHTML;
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},
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};
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export default Charts;
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