casevur.blogg.se

This value enforces a physically-based light and as a side-effect disables the above Shadows controls. This makes it easier to adjust highlight size without changing scene lighting.Įnable light and photon tracing from this light. When normalize is enabled, the amount of light contributed to the scene will not change as you scale the light source. They show up under the lights tab in the Hypershade Window and light linking can be set up in Maya's Relationship Editor. PxrMeshLights behave much like other lights in Maya. This way the area light is already wired in to the shading group. Then, select the shading group for the PxrBlack and wire in a different surface or volume material there. The easiest way to set that up is to begin with the Mesh Light button.

It doesn't actually have any parameters, although in the Attribute Editor a link is provided to the associated PxrMeshLight.įor most purposes PxrBlack is an appropriate material, but you can experiment with using others, like PxrVolume. When the Mesh Light button is clicked, a new material called PxrBlack is assigned to the selection, and a PxrMeshLigh t is created and wired into the shading group of the PxrBlack material. The next time you render, the object will cast light and itself have a constant color which comes from the PxrMeshLight's color and intensity. Select the geometry that should become emissive and click on the Mesh Light button in the RenderMan shelf. Any piece of geometry can become a light source in RenderMan for Maya.