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Iray selection plane no longer removing geometry and textures

kaotkblisskaotkbliss Posts: 2,914
in Technical Help (nuts n bolts)

The Iray indoor camera free from sharecg has become an absolute must while I work on my comics. I've got the entire city where my series will take place layed out as a scene subset so that locations are consistent. The iray indoor camera is simply a camera with selection planes grouped with it to remove all objects off view.

Previously, my gigantic scenes would fit on my measly 4GB gtx 970 because of the selection planes. After the update to DS 4.12 my scenes no longer fit on my card and always drop to CPU.

In an effort to find out why, I ran some tests. The first log entry is with the slection planes, the 2nd is the selection planes hidden and the 3rd is the selection planes deleted. This is after geometry is loaded and it's trying to load textures. You notice the numbers never change, which tells me the selection plane is no longer removing geometry and textures but just simply not rendering them so they are still all load to the gpu :(

2019-11-18 11:52:38.208 WARNING: ..\..\..\..\..\src\pluginsource\DzIrayRender\dzneuraymgr.cpp(305): Iray [ERROR] - IRAY:RENDER ::   1.4   IRAY   rend error: Unable to allocate 67108864 bytes from 2283929 bytes of available device memory
2019-11-18 13:26:39.125 WARNING: ..\..\..\..\..\src\pluginsource\DzIrayRender\dzneuraymgr.cpp(305): Iray [ERROR] - IRAY:RENDER ::   1.4   IRAY   rend error: Unable to allocate 67108864 bytes from 2283929 bytes of available device memory
2019-11-18 13:34:50.243 WARNING: ..\..\..\..\..\src\pluginsource\DzIrayRender\dzneuraymgr.cpp(305): Iray [ERROR] - IRAY:RENDER ::   1.4   IRAY   rend error: Unable to allocate 67108864 bytes from 2283929 bytes of available device memory

Comments

  • kaotkblisskaotkbliss Posts: 2,914

    Is DS 4.10 (I think that was the one before the big Iray "update") still available to download somewhere? I really need the selection plane to not load out of view geometry and textures like it used to as I don't have the budget for a bigger video card yet.

  • TheKDTheKD Posts: 2,696
    edited November 2019

    You can try to file a ticket and get them to give you a copy of it. One of the most annoying things is not being able to grab older versions, I try to keep at least a few older version installers around just in case.

    Post edited by TheKD on
  • kaotkblisskaotkbliss Posts: 2,914

    Thanks :)

    I did just submit a ticket for a 4.10 download and I hope that not actually removing the geometry/textures is just a bug and gets fixed. My environments for my comic are so large they crash my poor outdated pc if I try to render them with CPU and the bad part is I can't even hide stuff out of view because I use a ton of instancing, both original objects and instancing are scattered throughout the entire environment so hiding an object will likely also hide an instance that is in the view and needs rendered.

  • Richard HaseltineRichard Haseltine Posts: 102,464
    edited November 2019

    The Section Plane isn't necessarily meant to remove mesh - I believe its default in Iray, which Daz reversed as the setting, is to clip for the camera but not for lights (allowing a camera to see through walls etc. without breaking the lighting and reflections of the nterior space).

    Post edited by Richard Haseltine on
  • kaotkblisskaotkbliss Posts: 2,914

    Yeah, that's what it seems to be doing now, ignoring mesh not actually removing.

    Whereas before it was actually removing (at least in the sense that the geometry wasn't loaded to the gpu) thus allowing my large scenes to fit on my 4GB gpu

    I can't even render them cpu now because they crash DS about 10 minutes into just the processing stage.

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