Mesh prim

points : usually vec3f[]
normals : usually vec3f[] varying
primvars:st : usually vec2f[] varying
primvars:st:indices : usually int[] varying
velocities : usually vec3f[]
texcoord: usually texCoord2f[] (Texcoord bound to Mesh prim)

Mesh property

doubleSided : bool
extent : floa3[2]
facevaryingLinearInterpolation : cornerPlus1
faceVertexCounts : int[]
faceVertexIndices : int[]
orientation : ty: token. uniform. allowedTokens: ['rightHanded', 'leftHanded']
visibility : ty: token. varying. allowedTokens: ['inherited', 'invisible']
purpose : ty: token. uniform. allowedTokens: ['default', 'render', 'proxy', 'guide']
subdivisionScheme : ty: token. uniform. allowedTokens: ['catmullClark', 'loop', 'bilinear', 'none']
trianglesSubdivisionRule : ty: token. uniform. allowedTokens: ['catmullClark', 'smooth']
xformOpOrder : ty: token. uniform.
material:binding : Path
proxyPrim : ty: relation. uniform

Optional property

primvars:displayColor : ty: float3[], varying
- Usually array len = 1(constant color over the mesh)
primvars:displayOpacity : ty: float[], varying
- Usually array len = 1(constant opacity over the mesh)

SubD property

cornerIndices : int[]
cornerSharpnesses : float[]
creaseIndices : int[]
creaseLengths : int[]
creaseSharpnesses : float[]
holeIndices : int[]
interpolateBoundary : token?

Xform

world bounding box : range3d
local world xform : matrix4d
purpose
visibility
xformOpOrder

Shader

inputs:id : UsdUVTexture
inputs:fallback : fallback color(Usually vec4f)
inputs:file : @filename@

Texcoord reader

UsdPrimvarReader_float2

inputs:varname(token) : Name of UV coordinate primvar in Mesh primitive.
outputs:(float2) : Output connection name. Usually outputs:result

TODO

non-vec3f position
vertex color
xformOpOrder
Multi texcoord UVs