我尝试在crossfilter之后更改bar的颜色，它的工作是crossfilter但是我想要更改filter的过滤器的coloe.i尝试下面的代码。
{% extends "base.html" %}
{% load staticfiles %}
{% block content %}
<head>
<style>
div{
background:#faebcc;
}
</style>
<link href="{% static 'dc/css/dc.css' %}" rel="stylesheet" media="screen">
<link href="{% static 'dc/css/example-styles.css' %}" rel="stylesheet" media="screen">
</head>
<body>
<div class="container">
<div class="col-lg-6">
<h3>Map wise selection of US</h3>
<div id="us-chart" STYLE="width: 100%;"></div>
</div>
<div class=col-lg-6>
<h3>Top 10 Counties</h3>
<div id="const"></div>
</div>
</div>
<div class="container">
<h2>Age wise population of US</h2>
<div id="chart" class="col-lg-8"></div>
</div>
<div class="container" style="margin-top: 25px" class="col-lg-12">
<div class=col-lg-12>
<h3>States of US</h3>
<div id="chart-row-Population_Density">
</div>
</div>
</div>
<!-- <div class="container" class="col-lg-12">
<div id="industry-chart" ></div>
</div>-->
<div class="container" class="col-lg-12">
<div id="county_linet" ></div>
</div>
<!--<div class="container" class="col-lg-8">
<div id="round-chart" ></div>
</div>-->
<script type="text/javascript" src="{% static 'dc/js/d3.js' %}"></script>
<script type="text/javascript" src="{% static 'dc/js/crossfilter.js' %}"></script>
<script type="text/javascript" src="{% static 'dc/js/dc.js' %}"></script>
<script type="text/javascript" src="{% static 'dc/js/bootstrap.min.js' %}"></script>
<script type="text/javascript" src="{% static 'dc/js/d3.js' %}"></script>
<script type="text/javascript" src="{% static 'dc/js/index.js' %}"></script>
<script type="text/javascript">
var numberFormat = d3.format(".2f");
var stacked = dc.barChart("#chart");
var constRowChart=dc.rowChart("#const");
var usChart = dc.geoChoroplethChart("#us-chart");
var industryChart = dc.bubbleChart("#industry-chart");
var roundChart = dc.bubbleChart("#round-chart");
var barchart= dc.barChart("#chart-row-Population_Density");
var chart=dc.pieChart("#p");
var lineChart = dc.lineChart("#county_linet");
d3.csv("{% static 'healthdata1.csv' %}", function(error, csv) {
function resize() {
// adjust things when the window size changes
width = parseInt(d3.select('#us-chart').style('width'));
width = width - margin.left - margin.right;
height = width * mapRatio;
// update projection
projection
.translate([width / 2, height / 2])
.scale(width);
// resize the map container
usChart
.width(width)
.height(height);
// resize the map
usChart.selectAll('.state').attr('d', path);
}
var dateFormat = d3.time.format("%Y");
var numberFormat = d3.format(",f");
var data = crossfilter(csv);
var barTip = d3.tip()
.attr('class', 'd3-tip')
.offset([-10, 0])
.html(function (d) {
return "<span style='color: #f0027f'>" + d.data.key + "</span> : " + d.y.toFixed(0);
});
var states = data.dimension(function (d) {
return d["State_Id"];
});
var stateRaisedSum = states.group().reduceSum(function (d) {
return d["Population"];
});
var industries = data.dimension(function (d) {
return d["County_Name"];
});
var inds= industries.group().reduceSum(function (d){
return d["poverty"];
});
var stateDim=data.dimension(function (d){
return d["State_Name"];
});
var density = data.dimension(function (d) {
return d["County_Name"];
});
var const_total= density.group().reduceSum(function (d){
return d["Population"];
});
var Population_tot= stateDim.group().reduceSum(function (d){
return d["Population"];
});
var statsByIndustries = industries.group().reduce(
function (p, v) {
p.amountRaised += +v["Population_Density"];
p.deals += +v["Poverty"];
return p;
},
function (p, v) {
p.amountRaised -= +v["Population_Density"];
// if (p.amountRaised < 0.001) p.amountRaised = 0; // do some clean up
p.deals -= +v["Poverty"];
return p;
},
function () {
return {amountRaised: 0, deals: 0}
}
);
var rounds = data.dimension(function (d) {
return d["County_Name"];
});
var statsByRounds = rounds.group().reduce(
function (p, v) {
p.amountRaised += +v["Poverty"];
p.deals += +v["Population"];
return p;
},
function (p, v) {
p.amountRaised -= +v["Poverty"];
//if (p.amountRaised < 0.001) p.amountRaised = 0; // do some clean up
p.deals -= +v["Population"];
return p;
},
function () {
return {amountRaised: 0, deals: 0}
}
);
var margin = {top: 10, left: 10, bottom: 10, right: 10}
, width = parseInt(d3.select('#us-chart').style('width'))
, width = width - margin.left - margin.right
, mapRatio = .6
, height = width * mapRatio;
var projection = d3.geo.albersUsa()
.scale(width)
.translate([width / 2, height / 2]);
var path = d3.geo.path()
.projection(projection);
d3.select(window).on('resize', resize);
d3.json("{% static 'us-states.json' %}", function(error, statesJson) {
usChart.width(width)
.height(height)
.dimension(states)
.projection(projection)
.group(stateRaisedSum)
.colors(d3.scale.quantize().range(["#E2F2FF", "#C4E4FF", "#9ED2FF", "#81C5FF", "#6BBAFF", "#51AEFF", "#36A2FF", "#1E96FF", "#0089FF", "#0061B5"]))
.colorDomain([0, 200])
.colorCalculator(function (d) { return d ? usChart.colors()(d) : '#ccc'; })
.overlayGeoJson(statesJson.features, "state", function (d) {
return d.properties.name;
})
.title(function (d) {
return "State: " + d.key + "\nTotal Population: " + d.value;
});
industryChart.width(1100)
.height(400)
.margins({top: 10, right: 50, bottom: 30, left: 60})
.dimension(industries)
.group(statsByIndustries)
.colors(d3.scale.category10())
.keyAccessor(function (p) {
return p.value.amountRaised;
})
.valueAccessor(function (p) {
return p.value.deals;
})
.radiusValueAccessor(function (p) {
return p.value.amountRaised;
})
.x(d3.scale.linear().domain([0, 5000]))
// .y(d3.scale.linear().domain([0.10, 500]))
.r(d3.scale.linear().domain([0, 50000]))
.minRadiusWithLabel(10)
.elasticY(true)
.yAxisPadding(100)
.elasticX(true)
.xAxisPadding(200)
.maxBubbleRelativeSize(0.08)
.renderHorizontalGridLines(true)
.renderVerticalGridLines(true)
.renderLabel(true)
.renderTitle(true)
.title(function (p) {
return p.key
+ "\n"
+ "Population Density: " + numberFormat(p.value.amountRaised) + "\n"
+ "Percentage of Poverty: " + numberFormat(p.value.deals);
});
industryChart.yAxis().tickFormat(function (s) {
return s + " deals";
});
industryChart.xAxis().tickFormat(function (s) {
return s + "M";
});
barchart.width(1100)
.height(350)
.margins({ top: 10, left: 50, right: 10, bottom: 80 })
.transitionDuration(750)
.xAxisLabel('States of US')
.yAxisLabel('Population')
.dimension(stateDim)
.group(Population_tot)
.centerBar(false)
.brushOn(false)
.title(function (d) {
""
})
.gap(5)
.elasticY(true)
.colors(['#00FF00'])
.xUnits(dc.units.ordinal)
.x(d3.scale.ordinal())
.y(d3.scale.linear().domain([0, 600]))
.renderHorizontalGridLines(false)
.yAxis().tickFormat(d3.format("s"));
barchart.renderlet(function (chart) {
chart.selectAll("g.x text").attr('dx', '-30').attr('dy', '-7').attr('transform', "rotate(-60)");
});
var eventsByDate = stateDim.group().reduce(
function (p, v) {
// ++p.Count;
p.Age_19_Under += +v["Age_19_Under"];
p.Age_19_64 += +v["Age_19_64"];
p.Age_65_84 += +v["Age_65_84"];
p.Age_85_and_Over += +v["Age_85_and_Over"];
return p;
},
function (p, v) {
// --p.Count;
p.Age_19_Under -= -v["Age_19_Under"];
p.Age_19_64 -= -v["Age_19_64"];
p.Age_65_84 -= -v["Age_65_84"];
p.Age_85_and_Over += -v["Age_85_and_Over"];
return p;
},
function () {
return {
// Count: 0,
Age_19_Under: 0,
Age_19_64: 0,
Age_65_84: 0,
Age_85_and_Over:0
};
}
);
var colorRenderlet = function (chart) {
chart.selectAll("rect.bar")
.on("click", function (d) {
function setAttr(selection, keyName) {
selection.style("fill", function (d) {
if (d[keyName] == "Age_19_Under") return "#63D3FF";
else if (d[keyName] == "Age_19_64") return "#FF548F";
else if (d[keyName] == "Age_65_84") return "#9061C2";
else if (d[keyName] == "Age_85_and_Over") return "#00FF00";
});
}
setAttr(_chart.selectAll("g.stack").selectAll("rect.bar"), "layer");
setAttr(_chart.selectAll("g.dc-legend-item").selectAll("rect"), "name")
});
};
stacked
.margins({top: 50, right: 20, left: 50, bottom: 50})
.width(1100)
.height(350)
.gap(5)
.dimension(states)
.group(eventsByDate,"Age(Under 19)")
.valueAccessor(function (d) {
return d.value.Age_19_Under;
})
.stack(eventsByDate, "Age(19-64)", function (d) {
return d.value.Age_19_64;
})
.stack(eventsByDate, "Age(65-84)", function (d) {
return d.value.Age_65_84;
})
.stack(eventsByDate, "Age(85 and Over)", function (d) {
return d.value.Age_85_and_Over;
})
.y(d3.scale.linear().domain([0, 600]))
.xUnits(dc.units.ordinal)
.x(d3.scale.ordinal())
.centerBar(true)
.elasticY(true)
.brushOn(false)
.transitionDuration(750)
.renderlet(colorRenderlet)
.legend(dc.legend().x(100).y(0).itemHeight(13).gap(5));
stacked.renderlet(function (chart) {
chart.selectAll("g.x text").attr('dx', '-30').attr('dy', '-7').attr('transform', "rotate(-60)");
});
roundChart.width(1100)
.height(400)
.margins({top: 10, right: 50, bottom: 30, left: 60})
.dimension(rounds)
.group(statsByRounds)
.colors(d3.scale.category10())
.keyAccessor(function (p) {
return p.value.amountRaised;
})
.valueAccessor(function (p) {
return p.value.deals;
})
.radiusValueAccessor(function (p) {
return p.value.amountRaised;
})
.x(d3.scale.linear().domain([0, 5000]))
.r(d3.scale.linear().domain([0, 50000]))
.minRadiusWithLabel(15)
.elasticY(true)
.yAxisPadding(150)
.elasticX(true)
.xAxisPadding(300)
.maxBubbleRelativeSize(0.07)
.renderHorizontalGridLines(true)
.renderVerticalGridLines(true)
.renderLabel(true)
.renderTitle(true)
.title(function(p){
return p.key
+ "\n"
+ "Amount Raised: " + numberFormat(p.value.amountRaised) + "M\n"
+ "Number of Deals: " + numberFormat(p.value.deals);
});
roundChart.yAxis().tickFormat(function (s) {
return s + " deals";
});
roundChart.xAxis().tickFormat(function (s) {
return s + "M";
});
constRowChart.width(300)
.height(300)
.margins({top: 20, left: 120, right: 10, bottom: 20})
.transitionDuration(750)
.dimension(density)
.group(const_total)
.renderLabel(true)
.gap(1)
.title(function (d) {
return "";
})
.elasticX(true)
.colors(d3.scale.category20c())
.xAxis().ticks(3).tickFormat(function (s) {
return s;
});
constRowChart.data(function (group) {
return group.top(10);
});
lineChart.width(860)
.height(350)
.margins({top: 10, right: 10, bottom: 90, left: 50})
.dimension(industries)
.group(inds)
.xAxisLabel('States of US')
.yAxisLabel('Poverty in US')
.transitionDuration(750)
.elasticY(true)
.brushOn(false)
.colors(['#00FFFF'])
.xUnits(dc.units.ordinal)
.x(d3.scale.ordinal())
.y(d3.scale.linear().domain([100, 1600]))
.renderHorizontalGridLines(false)
//.yAxis().tickFormat(d3.format("s"))
/ * .valueAccessor（function（d）{ 返回d.value; }）* / .title伪（函数（d）{ 返回＆＃34; ＆＃34; + d.key +＆＃34; ：＆＃34; + d.value.toFixed（2）;
})
//.x(d3.scale.linear().domain([4, 27]))
.xAxis();
lineChart.renderlet(function (chart) {
chart.selectAll("g.x text").attr('dx', '-30').attr('dy', '-7').attr('transform', "rotate(-60)");
});
dc.renderAll();
d3.selectAll(".bar").call(barTip);
d3.selectAll(".bar").on('mouseover', barTip.show)
.on('mouseout', barTip.hide);
});
});
</script>
</body>
{% endblock %}
那我能为此做些什么呢？
答案 0 :(得分：0)
这开始是很多代码（恭喜！），我不太确定问题是什么。如果您要询问过滤后的 out 条的颜色，我想您会在CSS中找到答案。
如果您想知道为什么渲染器不起作用，请尝试在渲染中设置断点并查看selectAll是否返回您期望的选择。