IgnasPocius
IgnasPocius
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HDA poly limit July 17, 2025, 3:42 a.m.
BunniZzzSadly freeze gives exactly the same results. Thanks for the suggestion tho!
maybe you can try to use freeze the node(the left button of the node) instead of using stash
HDA poly limit July 16, 2025, 3:46 a.m.
Is there a polygon limit for HDAs? I have a stash node storing about 80m polygons inside an HDA and when I save it, its about 2GB on disk. When I try to load it in houdini it doesnt load. Instead its just a blank HDA that gets placed down with nothing inside.
Here's a link to the HDA as its too big to attach to the post
https://we.tl/t-75yIx2XnVh [we.tl]
This test HDA just has a grid with 100m polygons and a mountain node which then gets saved with a stash node. The HDA exports fine, but when importing it just loads a blank with nothing inside.

Here's a link to the HDA as its too big to attach to the post
https://we.tl/t-75yIx2XnVh [we.tl]
This test HDA just has a grid with 100m polygons and a mountain node which then gets saved with a stash node. The HDA exports fine, but when importing it just loads a blank with nothing inside.
Houdini Engine Set HDA attributes via blueprint Feb. 20, 2025, 12:05 p.m.
Ok I found it.
You have to get inputs at indices (your HDA input, so starting from 0). This gets you a map of inputs and the corresponding API input object ref. Because my geo is on input 0 thats what I have selected. This essentially brings me the "menu" of input 0. From there I can set the Import As Reference boolean as true (under the hood name shows as bImportAsReference).
I guess the label was changed at some point to Export Input as Reference so there's a disconnect here.
And then all thats left is to add it back to the map (at same position 0) and then set the map with a set inputs at indices to save changes.
You have to get inputs at indices (your HDA input, so starting from 0). This gets you a map of inputs and the corresponding API input object ref. Because my geo is on input 0 thats what I have selected. This essentially brings me the "menu" of input 0. From there I can set the Import As Reference boolean as true (under the hood name shows as bImportAsReference).
I guess the label was changed at some point to Export Input as Reference so there's a disconnect here.
And then all thats left is to add it back to the map (at same position 0) and then set the map with a set inputs at indices to save changes.