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@redsift/d3-rs-svg

v0.8.0

Published

Creates a SVG element using D3v4.

Downloads

4,137

Readme

d3-rs-svg

d3-rs-svg is a component for creating a SVG 1.1 root element that is compatable with the D3 margin convention. This component is dependent on D3 v4 (Alpha).

Builds

Circle CI

UMD from //static.redsift.io/reusable/d3-rs-svg/latest/d3-rs-svg.umd-es2015.min.js

Usage

Browser

<script src="//static.redsift.io/reusable/d3-rs-svg/latest/d3-rs-svg.umd-es2015.min.js"></script>
<script>
	var svg = d3_rs_svg.html();
	...
</script>

ES6

import * as svg from "@redsift/d3-rs-svg";
let eml = svg.html();
...

If using rollup.js for a browser target, ensure d3-rs-svg is part of the global map.

Require

var svg = require("@redsift/d3-rs-svg");
var eml = svg.html();
...

By convention, the SVG element is meant to be hosted in a HTML node, hence svg.html()

Parameters

Name|Description|Transition ----|-----------|---------- width,height|SVG viewport size, px|Y scale|SVG scaling factor, floating point|Y margin|margin convention, Object or integer px|Y classed|SVG custom class|N style|SVG CSS embed|N background|Rect background color|Y title||N role|https://www.w3.org/TR/wai-aria/roles#img|N

Parameters that support transition can be animated and chained.

d3.select('#elm')
	.call(svg)					// draw the SVG at default (1x) scale
.transition().duration(1000)
	.call(svg.scale(2.0))		// scale the SVG by 2x
.transition().duration(333)
	.call(svg.scale(1.0))		// bounce back after 333ms

Note, this form of chaining does not work for parameters that do not support transition. Use the on('end', ... event for them.

var el = d3.select('#elm')
	.call(svg.style('rect{fill: yellow;}'));

el.select(svg.self()).select(svg.child())
  	.append('rect')				// add a rect to the SVG we can paint with CSS
    	.attr('width', svg.childWidth())
    	.attr('height', svg.childHeight());

el.transition().delay(1000).duration(0).on('end', function() {
	 el.transition().duration(1000).delay(500)
      	.call(svg.scale(2.0).style('rect{fill: green;}'));	// this green is applied after 1s of delay but 500ms before the scale changes
});

Accessible features

This module implements some of the features described here.