SVGGraphicsElement: getCTM()-Methode

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.

Die getCTM()-Methode der SVGGraphicsElement-Schnittstelle repräsentiert die Matrix, die das Koordinatensystem des aktuellen Elements in das Koordinatensystem seines SVG-Ansichtsfensters transformiert.

Syntax

js
getCTM()

Parameter

Keine.

Rückgabewert

Ein DOMMatrix-Objekt.

Beispiele

Ermitteln der Transformationsmatrix

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

Spezifikationen

Specification
Scalable Vector Graphics (SVG) 2
# __svg__SVGGraphicsElement__getCTM

Browser-Kompatibilität

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
getCTM

Legend

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Full support
Full support