Setting COPS Image resolution

[CinnamonMetal]

Where is settings > main > preferences relating to COPS ? It can't be preferences > compositing as changing the Resolution Limit doesn't remove the error that the image resolution is too large ?

[evanrudefx]

is it edit > compositing settings?

[CinnamonMetal]

When changing the Resolution from its default, the setting reverts back to the default ? 

[symek]

I can set maximum resolution to 36000 pixels and rescale image in COP for that resolution here on 17.0.376 (macos). Works fine. 

[CinnamonMetal]

@symek We are talking about the resolution panel within the Composite Project Settings ?

[CinnamonMetal]

ARrgh, it keeps reverting back; I tried 36000x2 and same issue.

[symek]

show us a screenshot

[CinnamonMetal]

[malexander]

Those are the project settings. Changes made to those affect only the current hip file, and are "live" (ie, changing the Res will cause all Generator COPs that aren't overriding the res to resize and recook to the new res).

What you want is the compositing Resolution Limit in Edit > Prefs > Compositing, Cooking tab. If you've already set that, I'm not sure why you'd be getting the resolution limit warning. You may want to check hcomposite.pref in $HOME/houdiniX.Y and see if cache.maxresx and cache.maxresy are set correctly to the values you're using.

Also, once you get this working, I highly recommend setting the proxy cooking resolution in the COPs view toolbar from "Full" to 25% or 12.5%.

[CinnamonMetal]

I assume RAT files load faster, cause this TIF file I'm attempting to load is slow due to the file size.

[cgdougm]

Anyone know how to change the maximum COP resolution within a hython process?

[I'm running heightfields from the command line.]

I want to affect ONLY the process, not the user's preferences.

$ grep max ~/houdini16.0/hcomposite.pref
cache.maxresy := 16000;
cache.maxresx := 16000;

tia