[Chimera-users] Helix voxels labeling

[natan geier]

Hello,
I am currently studying the connection between density maps and the
secondary structure elements.
I have a density map file for a certain protein, giving for each voxel a
density value, and what I am missing is a "helix map", giving a binary
value for each voxel, representing wether it is a part of a helix or not.
In order to build this "helix map", I need to use the .pdb file of that
protein, but I am not really sure how to extract an appropriate 3D boolean
matrix out of this file.
Any suggestions would be greatly appreciated.

Thanks
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