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Copy pathbars.js
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119 lines (108 loc) · 3.63 KB
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function BarChart(){
var innerPadding = .30
, width = 10
, height = 200
, labelScale
, rectScale
, bandwidth
, categoryNames
//, yearlyTotals=[0,0,0,0,0];
, heightScale
, viz
, colorScale = d3.scaleOrdinal().range(["#80bd88", "#d3b67c", "#5eaec0"])
, xAxisTicks
, yAxisTicks
, containerID = "barChart-container";
function chart(selection){
// note: selection is passed in from the .call(iChartType), which is the same as myHeatmap(d3.select('.stuff')) -- ??
selection.each(function(dataObject){
// identify viz
svg = d3.select("#"+containerID);
// get category names
categoryNames = d3.keys(dataObject.costs);
// define labelScale
labelScale = d3.scaleBand()
.paddingInner(innerPadding)
.paddingOuter(0.50)
.domain(dataObject.years)
.rangeRound([0,width]);
// define rectScale
rectScale = d3.scaleBand()
.padding(innerPadding/2)
.domain(categoryNames)
.rangeRound([0,labelScale.bandwidth()]);
// set domain and range for height
heightScale = d3.scaleLinear()
.domain(d3.extent(dataObject.totals, d => +d.value))
.range([height, 0]);
// set domain for color
colorScale.domain(categoryNames)
// add rectangles to the graph
svg.append("g")
.classed("year-container",true)
.selectAll("g")
.data(dataObject.years)
.enter().append("g")
.attr("class",d => "year-"+d)
.attr("transform", function(d) { return "translate(" + labelScale(d) + ",0)"; })
.selectAll("rect")
.data(function(d){
var containsYear = function(element){
return (+element.year) == d};
var x = dataObject.totals.filter(containsYear)
return dataObject.totals.filter(containsYear)})
.enter().append("rect")
.attr("class",d=>"agg-cost-bar "+d.cost_category.replace(/\ /g,"-")+"-"+d.year)
.attr("x", function(d) {
return rectScale(d.cost_category); })
.attr("y", function(d) {
var value = (+d.value==0)?heightScale(10000):heightScale(+d.value);
return value;})
.attr("value",d=>d.value)
.attr("year",d=>d.year)
.attr("width", rectScale.bandwidth())
.attr("height", function(d) {
var value = (+d.value==0)?(height-heightScale(10000)):(height - heightScale(+d.value));
return value;})
.attr("fill", function(d) {
return colorScale(d.cost_category); });
// add x-axis
svg.append("g")
.attr("class", "axis")
.attr("transform", "translate(0," + height + ")")
.call(d3.axisBottom(labelScale).ticks(xAxisTicks,"s"));
// add y-axis
svg.append("g")
.attr("class", "axis")
.call(d3.axisLeft(heightScale).ticks(yAxisTicks,"s"))//.ticks(null, "s"))
// end selection
})
// end chart
}
chart.width = function(w) {
if (!arguments.length) { return width; }
width = w;
return chart;
};
chart.height = function(h) {
if (!arguments.length) { return height; }
height = h;
return chart;
};
chart.yAxisTicks = function(y) {
if (!arguments.length) { return yAxisTicks; }
yAxisTicks = y;
return chart;
};
chart.xAxisTicks = function(x) {
if (!arguments.length) { return xAxisTicks; }
xAxisTicks = x;
return chart;
};
chart.containerID = function(c) {
if (!arguments.length) { return containerID; }
containerID = c;
return chart;
};
return chart
}