Inserting Image Inside Donut
Solution 1:
You can store each d
attribute as an individual constant and append the paths individually inside the drawDonut
function, using the same group selection as parent.
However, a simpler solution is just saving everything as a single string...
var myGroup = '<g><pathclass="st0"d="M15.6,10.9c1.3,0,2.4-1.2,2.4-2.7c0-1.5-1.1-
-2.7c-1.3,0-2.4,1.2-2.4,2.7...etc...-14.3l4.2,9.5L39.8,25.2L39.8,25.2z"/></g>';
.... and appending it using the html
method:
g.append("g").html(myGroup);
Caveat, lector: the html()
method uses innerHTML
internally. That won't work on SVG elements in old browsers. According to Amelia Bellamy-Royds, in her book Using SVG with CCS3 and HTML5 (2018):
The latest version of web browsers even support
innerHTML
on SVG elements, but that is a recent addition to the core DOM specs.
For avoiding an unnecessary group inside another, you can also remove the <g>
and </g>
in the string.
Here is the demo:
var myGroup = '<g><path class="st0" d="M15.6,10.9c1.3,0,2.4-1.2,2.4-2.7c0-1.5-1.1-2.7-2.4-2.7c-1.3,0-2.4,1.2-2.4,2.7C13.2,9.7,14.2,10.9,15.6,10.9L15.6,10.9z"/><path class="st0" d="M18.6,11.6h-1.2l-1.8,5.5l-1.8-5.5h-1.2c-1.3,0-2.4,1.2-2.4,2.7v13h2.4l1.2,16.4h3.6l1.2-16.4H21v-13C21,12.8,19.9,11.6,18.6,11.6L18.6,11.6z"/><path class="st0" d="M31.9,10.9c1.3,0,2.4-1.2,2.4-2.7c0-1.5-1.1-2.7-2.4-2.7c-1.3,0-2.4,1.2-2.4,2.7C29.5,9.7,30.6,10.9,31.9,10.9L31.9,10.9z"/><path class="st0" d="M39.8,25.2l-3.6-11.6c0,0-0.6-2-2.4-2h-3.6c-1.8,0-2.4,2-2.4,2l-3.6,11.6l1.2,0.7l4.2-9.5l-3.6,14.3h3.6l1.2,13h2.4l1.2-13H38l-3.6-14.3l4.2,9.5L39.8,25.2L39.8,25.2z"/></g>';
var data1 = [4, 96];
var data2 = [1, 99];
var data3 = [16, 84];
var data4 = [12, 88];
var data5 = [29, 71];
var data6 = [15, 85];
var data7 = [12, 88];
var data8 = [10, 90];
/* Reusable Drawing donut function*/var width = 100,
height = 100,
radius = (Math.min(width, height) / 2);
functiondrawDonut(dataa, divchart) {
var sym = "%"var color = ["#00338D", "#BC204B"];
var pie = d3.pie()
.value(function(d) {
return d
})(dataa);
var arc = d3.arc()
.outerRadius(radius - 10)
.innerRadius(radius - (radius / 1.9));
var labelArc = d3.arc()
.outerRadius(radius - 31)
.innerRadius(radius - 31);
var svg = d3.select(divchart)
.append("svg")
.attr("width", width)
.attr("height", height)
.append("g")
.attr("transform", "translate(" + 50 + "," + 50 + ")");
var g = svg.selectAll("arc")
.data(pie)
.enter().append("g")
.attr("class", "arc");
g.append("path")
.attr("d", arc)
.data(color)
.style("fill", function(d) {
return d
});
g.append("g")
.attr("transform", "translate(-15,-15) scale(0.6)")
.html(myGroup);
}
drawDonut(data1, "#pie1")
drawDonut(data2, "#pie2")
drawDonut(data3, "#pie3")
drawDonut(data4, "#pie4")
drawDonut(data5, "#pie5")
drawDonut(data6, "#pie6")
drawDonut(data7, "#pie7")
drawDonut(data8, "#pie8")
div {
display: inline;
}
<scriptsrc="https://d3js.org/d3.v5.min.js"></script><divid="pie1"></div><divid="pie2"></div><divid="pie3"></div><divid="pie4"></div><divid="pie5"></div><divid="pie6"></div><divid="pie7"></div><divid="pie1"></div><divid="pie8"></div>
PS: There are some magic numbers in the transform. You can avoid them by calculating the group's size and initial drawing point.
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