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Direktori : /home/opti/workflow/src/public/app-assets/js/scripts/charts/d3/line/ |
Current File : /home/opti/workflow/src/public/app-assets/js/scripts/charts/d3/line/focus-context.js |
/*========================================================================================= File Name: focus-context.js Description: d3 focust + context via brushing chart ---------------------------------------------------------------------------------------- Item Name: Modern Admin - Clean Bootstrap 4 Dashboard HTML Template Version: 1.0 Author: PIXINVENT Author URL: http://www.themeforest.net/user/pixinvent ==========================================================================================*/ // Focus context chart // ------------------------------ $(window).on("load", function(){ var ele = d3.select("#focus-context"), margin = {top: 10, right: 10, bottom: 100, left: 40}, margin2 = {top: 430, right: 10, bottom: 20, left: 40}, width = ele.node().getBoundingClientRect().width - margin.left - margin.right, height = 500 - margin.top - margin.bottom; height2 = 500 - margin2.top - margin2.bottom; var parseDate = d3.time.format("%b %Y").parse; // Scales // ------------------------------ var x = d3.time.scale().range([0, width]), x2 = d3.time.scale().range([0, width]), y = d3.scale.linear().range([height, 0]), y2 = d3.scale.linear().range([height2, 0]); // Axis // ------------------------------ var xAxis = d3.svg.axis().scale(x).orient("bottom"), xAxis2 = d3.svg.axis().scale(x2).orient("bottom"), yAxis = d3.svg.axis().scale(y).orient("left"); // Brush // ------------------------------ var brush = d3.svg.brush() .x(x2) .on("brush", brushed); // Chart var area = d3.svg.area() .interpolate("monotone") .x(function(d) { return x(d.date); }) .y0(height) .y1(function(d) { return y(d.price); }); var area2 = d3.svg.area() .interpolate("monotone") .x(function(d) { return x2(d.date); }) .y0(height2) .y1(function(d) { return y2(d.price); }); var container = ele.append("svg"); var svg = container .attr("width", width + margin.left + margin.right) .attr("height", height + margin.top + margin.bottom); svg.append("defs").append("clipPath") .attr("id", "clip") .append("rect") .attr("width", width) .attr("height", height); var focus = svg.append("g") .attr("class", "focus") .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); var context = svg.append("g") .attr("class", "context") .attr("transform", "translate(" + margin2.left + "," + margin2.top + ")"); // Load data // ------------------------------ d3.csv("../../../app-assets/data/d3/line/focus-context.csv", type, function(error, data) { if (error) throw error; x.domain(d3.extent(data.map(function(d) { return d.date; }))); y.domain([0, d3.max(data.map(function(d) { return d.price; }))]); x2.domain(x.domain()); y2.domain(y.domain()); focus.append("path") .datum(data) .attr("class", "d3-area d3-focus-area") .attr("d", area) .style("fill", "#5C6BC0"); focus.append("g") .attr("class", "d3-axis d3-xaxis") .attr("transform", "translate(0," + height + ")") .call(xAxis); focus.append("g") .attr("class", "d3-axis d3-yaxis") .call(yAxis); context.append("path") .datum(data) .attr("class", "d3-area d3-context-area") .attr("d", area2) .style("fill", "#5C6BC0"); context.append("g") .attr("class", "d3-axis d3-xaxis") .attr("transform", "translate(0," + height2 + ")") .call(xAxis2); context.append("g") .attr("class", "d3-xbrush") .call(brush) .selectAll("rect") .attr("y", -6) .attr("height", height2 + 7) .style("fill-opacity", ".225"); }); function brushed() { x.domain(brush.empty() ? x2.domain() : brush.extent()); focus.select(".d3-area").attr("d", area); focus.select("d3-xaxis").call(xAxis); } function type(d) { d.date = parseDate(d.date); d.price = +d.price; return d; } // Resize chart // ------------------------------ // Call function on window resize $(window).on('resize', resize); // Call function on sidebar width change $('.menu-toggle').on('click', resize); // Resize function // ------------------------------ function resize() { width = ele.node().getBoundingClientRect().width - margin.left - margin.right; // Main svg width container.attr("width", width + margin.left + margin.right); // Width of appended group svg.attr("width", width + margin.left + margin.right); // Axis // ------------------------- x.range([0, width]); x2.range([0, width]); svg.selectAll('.d3-xaxis').call(xAxis); svg.selectAll('.d3-focus-area').attr("d", area); svg.selectAll('.d3-context-area').attr("d", area2); } });