Use a specular map whenever you need localized gloss variation; chipped paint, greasy fingerprints, or alternating satin-and-gloss stripes: without touching the base roughness or metalness.
Supported Materials
Phong Material
The Specular Map in Canvas Studio lets you paint exactly where shiny highlights appear on a surface and how intense or colored those highlights are. In the texture, bright pixels boost specular reflections while dark pixels mute them, so you can make bolts sparkle on matte plastic or show grime dulling a polished panel without altering geometry or global sliders. This map works best when paired with an Env map, its Reflectivity, and Shininess controls in the MaterialSettings.
Wrap S / Wrap T – define what happens when UVs go beyond 0-1 in the horizontal (S) or vertical (T) direction. Repeat tiles the image, Clamp stretches the edge pixels, and Mirrored tiles while flipping every other tile for a checker-seam look.
Flip Y – inverts the texture vertically; turn it on if your image appears upside-down due to differing UV origins.
Anisotropy – boosts texture sharpness at glancing angles; higher numbers keep details crisp on surfaces seen from the side.
Rotation – spins the entire UV space (in radians), letting you align stripes or grain precisely.
offset X / offset Y – shift the starting point of the texture; handy for sliding patterns or matching seams.
repeat X / repeat Y – control how many times the image tiles across each axis—use integers for even tiling or fractions for stretch effects.
center X / center Y – set the pivot for rotation and scaling; (0.5, 0.5) rotates around the texture’s true center, while (0, 0) pivots around the lower-left corner.
Use a specular map whenever you need localized gloss variation; chipped paint, greasy fingerprints, or alternating satin-and-gloss stripes: without touching the base roughness or metalness.
Supported Materials
Phong Material