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Found 4 results

  1. hey guys, do you know if it is possible to use intrinsic information in a shader? something like intrinsic:indexorder in a render state just like with packed attributes. also, still in a render state, packed:primnum or packed:ptnum doesn't seem to be working. if i make an attribute in a wrangle on packed prims, let's say i@primid = i@primnum, and i call that in the shader with a render state it works as expected. any idea? thanks Martino
  2. hello, Hope everyone is doing well. i have different situation here whenever i save any file in houdini 18 and try to open that file i got this intrinsic error. i don't know what actually happened. guys can anyone help me how can i figure it out this problem.
  3. I created my vex function, ofcourse i can <include> it in wrangle. But can i compile and use it as intrinsic vex function? I tried to do this, but after all, function is still undefined. I compiled with this command: vcc.exe -c cvex --generate-intrinsic-lib myfunc.vfl After that i copied in houdini\vex\intrinsics directory What i did wrong? Or it's not possible?
  4. Hi, we are turning some animated geometry (alembic, non-deforming animation) into clouds, but because we want the noise of the clouds to be in local space (not be affected by the animation), I am trying to work out how to apply the animation after the creating the clouds referencing the intrinsic transform of the alembic. Using an AttributeVOP, I've managed to copy the intrinsic:packedfulltransform of the animated alembic, on to the intrinsic:transform of the static alembic model. I am still trying to get my head around the difference between matrix3 and matrix4 for these transform. Is there a general rule to which matrix type is used in each case? intrinsic:packedfulltransform is matrix4, intrinsic:transform in packed primitives is matrix3, but intrinsic:transform in VDB is matrix4. So what I put together and works for packed geometry or simple volumes, doesn't work with VDBs unless if I pack them before hand. Also my understanding is that intrinsic:packedfulltransform and intrinsic:packedlocaltransform are not writable and I can only change intrinsic:transform . Is that right? thank you
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