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creating displacement map problem

ZBrush Usage Questions
#1

Hello,

I have an issue with creating displacement map. I have a model witch have 20mil points. Its so heavy because its a remeshed and reprojected piece from 3d scan. Always when I want to create displacement/normal map zbrush crashes. I created one channel 16bit disp.map with 4 disp sub pixel accuracy with no adaptive.

During map creation pops this message:
Sorry, this action could not be completed seccessfuly due to insufficient amount of system memory [RAM].

Than it pops few different windows with error messages and than it crashes.

I tried to split this model to different pieces according to uv islands. But it has the same problem with RAM memory during splitting. So I cannot split it.

Do you have any suggestions how to solve this problem ?

#2

duplicate the mesh
delete the half you don’t want on each subtool.
deleting is usually easier on the system than splitting.
see if that works for you.

#3

Hi,

deleting did not work aether. But I managed to split the model in the highest subdivision. It did not work in the lowest.
Problem fixed.