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Issue rendering connected points (polygon)


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I'm having issues rendering the object below. Starting in the 40-50K points ballpark, i get a memory allocation error when starting a render with Mantra. As you can see, this object is very light weight, so i can't see this being limited by mesh density this early on.

Q45RF.jpg

Here a few tests:

  • file node with bgeo source: mem error when reaching certain point count (see above)
  • file node appended by convert-SOP of type nurbs curve: mem error (same threshold)
  • rendering geometry node as points only: works, in the millions even.
  • file node appended by polywire-SOP: works! way denser mesh!

Polywire is neat, but extremely slow and i'd actually rather render curves with a constant shader so as not to consume too much memory.

Any ideas what could cause this?

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Smart man! That could well be it. Someone at SESI took a short for an int, eh? :)

Edit: I think you were right on the money. I just tested 32000 vs 33000 and that's where the crash happens. I also rendered a few duplicates at 32k without a crash. Houdini 12.1.125.

Edited by Adrian
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