Light Look At Options Not Working in Octane Solaris Viewport

Hydra Solaris
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eh_studio
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Joined: Mon Jun 19, 2023 5:51 pm

This might be a bug or not, but I can't place and position a light in the Octane Solaris viewport using the specular/diffuse/shadow options, like you would in Karma. I can adjust distance, brightness, and other aspects, just not the look at position. At first it seemed like it was working if the view wasn't set to a specific camera, but this was soon disproved. Any pointers as to what could be happening? I usually work and render in the SOP context, but need to get a hang of Solaris as well. All the nodes are set up correctly, render settings, USD ROP, etc. The latest version of Octane Solaris is installed. Thanks in advance!
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dom_otoy
OctaneRender Team
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Joined: Mon Mar 17, 2025 9:33 pm

Sunamo_man wrote: Sun Apr 27, 2025 1:39 am This might be a bug or not, but I can't place and position a light in the Octane Solaris viewport using the specular/diffuse/shadow options, like you would in Karma. I can adjust distance, brightness, and other aspects, just not the look at position. At first it seemed like it was working if the view wasn't set to a specific camera, but this was soon disproved. Any pointers as to what could be happening? I usually work and render in the SOP context, but need to get a hang of Solaris as well. All the nodes are set up correctly, render settings, USD ROP, etc. The latest version of Octane Solaris is installed. Thanks in advance!
Hey Sunamo!
Does it work if you disable the octane view and switch to karma/vulkan?
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eh_studio
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Joined: Mon Jun 19, 2023 5:51 pm

Hey Sunamo!
Does it work if you disable the octane view and switch to karma/vulkan?
It's quite strange, sometimes the viewport will stop rendering, whether it be in Octane or Vulkan and that's when the light look at can't be adjusted. But it seems to fix the problem if I set the display tag on a different node then switch back to having the display toggled on the render settings node, then the look at functions work again. Some quirk in the system? User error?
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eh_studio
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Joined: Mon Jun 19, 2023 5:51 pm

Just wanted to update that the light look at options still aren't working, but I can adjust light distance and/or intensity using the viewport functions, using CTRL+LMB or CTRL+SHIFT+LMB. Anyone else having this issue?

Houdini 20.5.550
Octane Solaris 2025.1
NVidia Studio Driver 576.02
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