- D3.js 4.x Data Visualization(Third Edition)
- ?ndrew Rininsland Swizec Teller
- 140字
- 2021-07-02 23:20:27
Manually adding elements and shapes
An SVG image is a collection of elements rendered as shapes and comes with a set of seven basic elements; almost all of these are just an easier way to define a path:
- Straight lines (a path with two points)
- Rectangles (a path with four points and right angles)
- Circles (a round path)
- Ellipses (an oblong path)
- Polylines (a path comprising straight lines)
- Polygons (a path comprising straight lines that closes in on itself)
- Text (the only one that isn't a path)
You build SVG images by adding these elements to the document and defining some attributes. All of them can have a stroke style defining how the edge is rendered, a fill style defining how the shape is filled, and all of them can be rotated, skewed, or moved using the transform attribute.
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