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andredumas/README.md

Last active September 28, 2016 12:13
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TechanJS SVG Arrow
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README.md

Demonstrates arrow rendering and how to achieve different orientations.

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index.html
<!DOCTYPE html>
<meta charset="utf-8">
<style>
path.arrow {
stroke: none;
fille: #000000;
}
path.up {
fill: #008800;
}
path.down {
fill: #FF0000;
}
</style>
<body>
<script src="http://d3js.org/d3.v4.min.js"></script>
<script src="http://techanjs.org/techan.min.js"></script>
<script>
var margin = {top: 20, right: 20, bottom: 30, left: 50},
width = 960 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
var data = ["up", "right", "down", "left"];
var arrow = techan.svg.arrow()
.x(300)
.y(100)
.height(50)
.width(50);
var arrowOrient = techan.svg.arrow()
.orient(function(d) { return d; })
.x(function(d, i) { return 100+i*50; })
.y(function(d, i) { return 100+i*50; });
var arrowTranslate = techan.svg.arrow()
.tail(false);
var svg = d3.select("body").append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
svg.append("path").attr("class", "arrow").attr("d", arrow);
svg.selectAll("path.arrow.orient").data(data).enter()
.append("path")
.attr("class", function(d) { return "arrow orient " + d; })
.attr("d", arrowOrient);
svg.selectAll("path.arrow.rotate").data(data).enter()
.append("path")
.attr("class", function(d) { return "arrow rotate " + d; })
.attr("transform", function(d, i) {
return "translate(" + (100+i*50) + ", " + (150+i*50) + ") rotate(" + i*45 + ")";
})
.attr("d", arrowTranslate);
</script>
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