Displacement - moves the geometry so provides more realistic results, relies on both texture resolution and tessellation resolution (micropolygon length) in order to achieve fine details - this can slow down rendering performance as "more micropolygons to trace equals slower render".Whether to use Displacement, Normals or Bump is largely up to what you want to do, each have there benefits. It looks like the paid-for samples come as 32-bit EXR files. The displacement maps provided in the free samples are 8-bit JPG files - this can cause "stair-stepping" artifacts.
#Renderman tutorial normal maps 4k map Offline#
Here I went with Offline as it provided both Normal, Displacement and Bump maps. This largely seems to determine whether you want to use Displacement or Normal maps. There is more details on what the maps are in the Megascan FAQ Context - Realtime vs Offline There isn't necessarily a correct set of options here - it largely comes down to how you like to work and how you use the maps.
The first thing you'll notice is your given a range of options for your download, these options cover the resolution of the maps and geometry, the type of rendering your wanting to do (real-time vs offline) and how you want to deal with specular colour (specular/metalness) and specular roughness (roughness/glossy). I'm using the Rock Sandstone and Soil Clay examples here.
#Renderman tutorial normal maps 4k map download#
Megascans provide free samples of their scans to give you example of what their like, head on over to to download them.
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