Filter Forge 3.0 introduces Edge Detector, a new component that detects edges in images using several methods, including the Sobel algorithm. We’ve had a couple of snippets for edge detection in the Filter Library since version 1.0, but the new component is faster and easier to use:
Here's what the output looks like. Note the accurate anti-aliasing and uniform edge width:
Filter Forge's amazing node based editor has been invaluable in giving us the power to create textures that make the most of today's real-time pixel shaders.
Visual Effects Lead Artist
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Resident Enlightenment Manager Linden Lab, makers of virtual world Second Life