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ok.html
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<body><div id="container"></div>
<div class="row">
<div id="text1" class="col-xl-2 col-md-6 col-sm-6 col-sm-6">入口</div>
<div id="text2" class="col-xl-2 col-md-6 col-sm-6 col-sm-6">出口</div>
<div id="text3" class="col-xl-2 col-md-6 col-sm-6 col-sm-6">空车位</div>
<div id="text4" class="col-xl-2 col-md-6 col-sm-6 col-sm-6">非空车位</div>
<div id="text5" class="col-xl-2 col-md-6 col-sm-6 col-sm-6">道路</div>
<div>
</div></body>
<script src="https://d3js.org/d3.v3.min.js"></script>
<script>
d3.select("#text1")
.append("svg")
.attr("width", "20px")
.attr("height", "20px")
.append("rect")
.attr("width", "20px")
.attr("height", "20px")
.style("fill", d3.rgb(100, 149, 237));
d3.select("#text2")
.append("svg")
.attr("width", "20px")
.attr("height", "20px")
.append("rect")
.attr("width", "20px")
.attr("height", "20px")
.style("fill", d3.rgb(0, 255, 127));
d3.select("#text3")
.append("svg")
.attr("width", "20px")
.attr("height", "20px")
.append("rect")
.attr("width", "20px")
.attr("height", "20px")
.style("fill", d3.rgb(255, 182, 193));
d3.select("#text4")
.append("svg")
.attr("width", "20px")
.attr("height", "20px")
.append("rect")
.attr("width", "20px")
.attr("height", "20px")
.style("fill", d3.rgb(238, 130, 238));
d3.select("#text5").append("svg")
.attr("width", "20px")
.attr("height", "20px")
.append("rect")
.attr("width", "20px")
.attr("height", "20px")
.style("fill", d3.rgb(112, 128, 144));
var pathlist = [
[1,0],[1,1],[1,3]
];
var correlationMatrix = [[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[-2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2],
[0, 2, 0, 0, 0, -1, 0, 0, 0, 2, 0, 0, 0, -1, 0, 0, 0, 2, 0],
[0, 2, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2, 0],
[0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0],
[0, 2, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2, 0],
[0, 2, 0, 0, 0, -1, 0, 0, 0, 2, 0, 0, 0, -1, 0, 0, 0, 2, 0],
[-2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]];
function init(correlationMatrix, pathlist) {
var options = {
container: "#container",
data: correlationMatrix,
};
var margin = { top: 50, right: 50, bottom: 100, left: 100 },
width = correlationMatrix[0].length * 35,
height = correlationMatrix.length * 35,
data = options.data,
container = options.container;
if (!data) {
throw new Error("Please pass data");
}
if (!Array.isArray(data) || !data.length || !Array.isArray(data[0])) {
throw new Error("It should be a 2-D array");
}
var numrows = data.length;
var numcols = data[0].length;
var ok = d3
.select(container)
.append("div")
.attr("class", "ok");
var svg = ok
.append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.attr("fill", "white")
.attr("viewBox", "0 0 800 800")
.attr("preserveAspectRatio","xMinYMin")
var x = d3.scale
.ordinal()
.domain(d3.range(numcols))
.rangeBands([0, width]);
var y = d3.scale
.ordinal()
.domain(d3.range(numrows))
.rangeBands([0, height]);
var row = svg
.selectAll(".row")
.data(data)
.enter()
.append("g")
.attr("class", "row")
.attr("transform", function (d, i) {
return "translate(0," + y(i) + ")";
});
var cell = row
.selectAll(".cell")
.data(function (d) {
return d;
})
.enter()
.append("g")
.attr("class", "cell")
.attr("transform", function (d, i) {
return "translate(" + x(i) + ", 0)";
});
row.selectAll(".cell")
.append("rect")
.attr("class", "rectt")
.attr("width", x.rangeBand())
.attr("height", y.rangeBand())
.style("stroke-width", 1)
.style("stroke", "black");
row
.selectAll(".cell")
.style("fill", function (d) {
if (d === 0) {
//车位可用
return d3.rgb(255, 182, 193);
}
if (d === -2) {
//入口
return d3.rgb(100, 149, 237);
}
if (d === -1) {
//出口
return d3.rgb(0, 255, 127);
}
if (d === 2) {
//道路
return d3.rgb(112, 128, 144);
}
if (d === 1) {
//有车
return d3.rgb(238, 130, 238);
}
})
var k = 0, gg = 0, clonumber = 0;
var location = new Array();
cell.append("text")
.attr("dy", ".32em")
.attr("x", x.rangeBand() / 2)
.attr("y", y.rangeBand() / 2)
.attr("text-anchor", "middle")
.style("fill", function (d, i) { return 'black'; })
.text(function (d, i) {
if (i == numcols - 1) clonumber++;
if (d == -2) {
if (gg == 0) {
gg++;
location.push([clonumber,i])
return "所在位置";
}
else return "";
}
else if (d == -1) {
k = k + 1;
location.push([clonumber,i])
return "出口" + k;
}
else return "";
});
var r = 35 / 2;
var lineData = [];
for (var i = 0; i < pathlist.length; i++) {
var temp = {
x: pathlist[i][1] * 35 + r,
y: pathlist[i][0] * 35 + r
};
lineData.push(temp);
}
//线生成器
var lineFunction = d3.svg
.line()
.x(function (d) {
return d.x;
})
.y(function (d) {
return d.y;
})
.interpolate("linear");
//svg容器
//把path扔到容器中-- lineData和lineFunction，并给d赋属性
var lineGraph = svg
.append("path")
.attr("d", lineFunction(lineData))
.attr("stroke", "blue")
.attr("stroke-width", 2)
.attr("fill", "none");
return location;
};
var location2=init(correlationMatrix, pathlist);
console.log(location2);
</script>