i'm new to Octane, but i know it's very limited when you need to work with data.
In Houdini, you can just create rgb texture in COPs with one pixel per vertex/point of your geo, calculate corresponding uvs and sample that texture in shader right from the COPs without even saving it.
basically you ...

thanks for looking into it.
yes, looks like there is problem with bbox or even centroid, cause sometimes it renders incorrectly if vel field has different dimensions
i attached a hip file for you to look at

Is there a way to render vel field with different resolution? Cause 99% of the time we don't ...

Any update?

i'm new to Octane so only most important)

1) be able to pass geo data (attribs) to octane - i know that houdini is light years ahead of any software on the market in terms of passing and using data, but even there i have to use uvs to sample textures (on discs or generated on the fly in COPs) and ...

hi
sorry for a late reply
i can't send scenes from that computer.
but you can recreate it:
create a sphere, convert to density through vdb or isoOffset, merge with empty vector volume (i guess name attrib is not important, you can try "vel") and try to render from cam.
in my case it renders fine ...

Hi
i'm trying to render my density volume with any vector grid (vel.*) and ipr renders just a portion of my cam frustum zoomed into full ipr window. it's like i'm rendering from a different camera.
i haven't tested it with all possible variations, but just duplicating and merging the same density ...

Hi
I subscribed to octane in houdini and i have some serious! problems:
1) is there any support email out there? in case i have problems with my subscription (i'm genius - i didn't spend money on full license to stuck trying to find someone from the octane team) i'd like to get a support at least ...