Chaos Corona for 3ds Max > [Max] Resolved Feature Requests

CoronaDisplacementMod to Mesh

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deshu:
Hello.

I my work, I often use build in 3dsMax Displace modifier to achieve some surface-level details.

The problem is, for displacement to look perfect, I need extreme mesh density.

It would be lovely, to be possible to use Corona Displacement adaptivity algorithm, along with minimum/maximum* edge length setting, to "bake" actual meshes.

Mesh achieved this way could be used as blueprint for modeling in CAD softwares, or, for example, 3d printing.

*Currently we can set maximum edge length when using world units in prerender disp calculations.

PROH:
+ 1 for making it possible to collapse the Corona Displacement modifier into a mesh - just like 3dsMax displacement modifier.

maru:
I think that with the "screen size" option you would end up with nice pretty displacement where camera can see it, and with fugly mess where camera cannot see it, or if it would be a big object - where it is further from the camera. With the "world size" option you would probably get more or less the same thing as when using 3dsmax displacement. I might be wrong though.

deshu:

--- Quote from: PROH on 2016-07-18, 16:57:24 ---+ 1 for making it possible to collapse the Corona Displacement modifier into a mesh - just like 3dsMax displacement modifier.

--- End quote ---

I wouldn't say "colapse", since CoronaDisplacement isn't visible in viewport. CoronaDisplacementMod could just have "Create Mesh Object" button.


--- Quote from: maru on 2016-07-18, 17:22:10 ---I think that with the "screen size" option you would end up with nice pretty displacement where camera can see it, and with fugly mess where camera cannot see it, or if it would be a big object - where it is further from the camera. With the "world size" option you would probably get more or less the same thing as when using 3dsmax displacement. I might be wrong though.

--- End quote ---

Since screensize displacement operates on pixels, for this option to work, you would have to specify resolution and camera in CoronaDispMod itself. I don't find user-friendly.

However, world size corona displacement operates on scene units, and doesn't care about POV. Additionaly, it's adaptive, which makes it really good solution.

Ricky Johnson:
I would really like to see something introduced like this as well. Just to have the potential to create whatever the adaptive Corona displacement would calculate as a mesh - or at least an option within the current CoronaDisplacementMod to cache a calculated mesh in RAM.

I spend a lot of time, when doing test renders, waiting for the same displacement to be calculated again and again*.
The 3ds Max Displacement modifier is an alternative option in these situations but it lacks the adaptivity that is a big bonus for the Corona version.
I would accept that a 'baked in' calculation using Screen Size would not work very well if you're changing viewpoints but quite often you're at a stage when you have a fixed viewpoint so think this would still be very useful. I actually be pretty interested in seeing what the adaptive displacement had done with the mesh if you could look at this in the viewport after a render.
Resolution and Camera could be drawn directly from the main render settings at the time couldn't they?

* I think I raised something like this before in an earlier thread and it was argued that being able to use Interactive Render made this request somewhat redundant.
I can accept that to some degree but I'm still of the opinion that this would be extremely useful if you prefer to use the normal render to perform tests.

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