SVG <feGaussianBlur> Filter

What is <feGaussianBlur> Filter?

The <feGaussianBlur> SVG filter primitive blurs the input image by the amount specified in stdDeviation, which defines the bell-curve.

Example

HTML Online Editor
<!DOCTYPE html> <html lang="en-US"> <head> <style> svg rect{ stroke:red; stroke-width:3; fill:#339933; } </style> </head> <body> <svg height="125" width="125"> <filter id="point" x="0" y="0"> <feGaussianBlur in="SourceGraphic" stdDeviation="15" /> </filter> <rect width="100" height="100" filter="url(#point)" /> </svg> </body> </html>

Attributes Value

AttributeExplanation
inSpecifies the input for the given filter primitive.
stdDeviationSpecifies the standard deviation for the blur operation.
edgeModeSpecifies how to extend the input image as necessary with color values so that the matrix operations can be applied when the kernel is positioned at or near the edge of the input image.

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