SVGGraphicsElement: getCTM() method
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.
The getCTM()
method of the SVGGraphicsElement
interface represents the matrix that transforms the current element's coordinate system to its SVG viewport's coordinate system.
Syntax
js
getCTM()
Parameters
None.
Return value
A DOMMatrix
object.
Examples
Getting the Transformation Matrix
html
<svg xmlns="http://www.w3.org/2000/svg" width="400" height="400">
<!-- Circle transformed using translation -->
<circle
id="circle"
cx="50"
cy="50"
r="30"
fill="blue"
transform="translate(100, 150)" />
</svg>
js
const circle = document.getElementById("circle");
// Get the current transformation matrix
const ctm = circle.getCTM();
console.log("Matrix values:");
console.log(
`a: ${ctm.a}, b: ${ctm.b}, c: ${ctm.c}, d: ${ctm.d}, e: ${ctm.e}, f: ${ctm.f}`,
);
// Output: Matrix values: a: 1, b: 0, c: 0, d: 1, e: 100, f: 150
Specifications
Specification |
---|
Scalable Vector Graphics (SVG) 2 # __svg__SVGGraphicsElement__getCTM |
Browser compatibility
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
getCTM |
Legend
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- Full support
- Full support
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