diff options
Diffstat (limited to 'app/static/js/makeChart.js')
| -rw-r--r-- | app/static/js/makeChart.js | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/app/static/js/makeChart.js b/app/static/js/makeChart.js index fd4a257..0c74a55 100644 --- a/app/static/js/makeChart.js +++ b/app/static/js/makeChart.js @@ -1,3 +1,6 @@ +// Based on: //https://github.com/benalexkeen/d3-flask-blog-post/blob/master/templates/index.html +// And: https://bl.ocks.org/mbostock/35964711079355050ff1 + function makeChart(selector, data) { var n = 0; data.forEach(function(d) { @@ -263,3 +266,143 @@ function makeChartAnnotated(selector, data, annotations) { }); } +function makeChartAnnotatedAdmin(selector, data, annotations) { + var n = 0; + data.forEach(function(d) { + d.X = n++; + d.Y = d.value; + }); + + var divWidth = 1000; + var divHeight = 480; + + var svg = d3.select(selector) + .on("touchstart", nozoom) + .on("touchmove", nozoom) + .append("svg") + .attr("width", divWidth) + .attr("height", divHeight); + + var margin = {top: 20, right: 20, bottom: 50, left: 50}; + var width = +svg.attr("width") - margin.left - margin.right; + var height = +svg.attr("height") - margin.top - margin.bottom; + + var zoom = d3.zoom() + .scaleExtent([1, 50]) + .translateExtent([[0, 0], [width, height]]) + .extent([[0, 0], [width, height]]) + .on("zoom", zoomed); + + var x = d3.scaleLinear().range([0, width]); + var x2 = d3.scaleLinear().range([0, width]); + var y = d3.scaleLinear().range([height, 0]); + + var xAxis = d3.axisBottom(x); + var yAxis = d3.axisLeft(y); + + var xExtent = d3.extent(data, function(d) { return d.X; }); + var xRange = xExtent[1] - xExtent[0]; + var xDomainMin = xExtent[0] - xRange * 0.02; + var xDomainMax = xExtent[1] + xRange * 0.02; + + var yExtent = d3.extent(data, function(d) { return d.Y; }); + var yRange = yExtent[1] - yExtent[0]; + var yDomainMin = yExtent[0] - yRange * 0.05; + var yDomainMax = yExtent[1] + yRange * 0.05; + + x.domain([xDomainMin, xDomainMax]); + y.domain([yDomainMin, yDomainMax]); + x2.domain(x.domain()); + + svg.append("defs").append("clipPath") + .attr("id", "clip") + .append("rect") + .attr("width", width - 30) + .attr("height", height) + .attr("transform", "translate(" + 30 + ",0)"); + + svg.append("g") + .attr("class", "axis axis--y") + .attr("transform", "translate(" + 30 + ",0)") + .call(yAxis); + + svg.append("g") + .attr("class", "axis axis--x") + .attr("transform", "translate(0," + height + ")") + .call(xAxis); + + svg.append("text") + .attr("text-anchor", "middle") + .attr("class", "axis-label") + .attr("transform", "translate(" + (width - 20) + "," + (height + 50) + ")") + .text("Time"); + + var line = d3.line() + .x(function(d) { return x(d.X); }) + .y(function(d) { return y(d.Y); }); + + var g = svg.append("g") + .call(zoom); + + g.append("rect") + .attr("width", width) + .attr("height", height); + + var view = g.append("g") + .attr("class", "view"); + + view.append("path") + .datum(data) + .attr("class", "line") + .attr("d", line); + + var points = view.selectAll("circle") + .data(data) + .enter().append("circle") + .attr("cx", function(d) { return x(d.X); }) + .attr("cy", function(d) { return y(d.Y); }) + .attr("data_X", function(d) { return d.X; }) + .attr("data_Y", function(d) { return d.Y; }) + .attr("r", 5) + .on("click", clicked); + + function zoomed() { + t = d3.event.transform; + x.domain(t.rescaleX(x2).domain()); + svg.select(".line").attr("d", line); + points.data(data) + .attr("cx", function(d) { return x(d.X); }) + .attr("cy", function(d) { return y(d.Y); }); + annolines = view.selectAll("line"); + annolines._groups[0].forEach(function(l) { + l.setAttribute("x1", x(l.getAttribute("cp_idx"))); + l.setAttribute("x2", x(l.getAttribute("cp_idx"))); + }); + svg.select(".axis--x").call(xAxis); + } + + function clicked(d, i) { + if (d3.event.defaultPrevented) return; // zoomed + } + + function nozoom() { + d3.event.preventDefault(); + } + + annotations.forEach(function(a) { + for (i=0; i<points._groups[0].length; i++) { + p = points._groups[0][i]; + if (p.getAttribute("data_X") == a.index) { + var elem = d3.select(p); + elem.classed(a.user, 'true'); + view.append("line") + .attr("cp_idx", a.index) + .attr("y1", y(yDomainMax)) + .attr("y2", y(yDomainMin)) + .attr("x1", x(a.index)) + .attr("x2", x(a.index)) + .attr("class", "ann-line" + " " + a.user); + } + } + }); +} |
