Hi Akash, Elaine, The ChimeraX volume command "smoothLines" option is not implemented. It should probably be removed from the documentation and the command. The reason it is not implemented is that the OpenGL graphics GL_LINE_SMOOTH capability was removed in modern OpenGL. The modern way to get a smoother appearance is multisampling which smooths the entire scene. ChimeraX has not implemented multisampling on screen, but the supersample option when saving an image does it. The other volume options Elaine mentioned are supported in ChimeraX. Tom
On Jun 23, 2025, at 1:45 PM, Elaine Meng via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:
Hello Akash, Yes, this is all in the "volume" command options. The "usage" in the help page shows how to use the command, e.g. see the section on mesh display options: <https://rbvi.ucsf.edu/chimerax/docs/user/commands/volume.html#dispsurf>
Example command, if your map is model #2 ...
volume #2 surfaceSmoothing true smoothLines true meshLighting true
See the link above for more options, like how many smoothing iterations, etc.
I hope this helps, Elaine ----- Elaine C. Meng, Ph.D. UCSF Chimera(X) team Resource for Biocomputing, Visualization, and Informatics Department of Pharmaceutical Chemistry University of California, San Francisco
On Jun 23, 2025, at 4:27 AM, Akash Singh via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:
Hi, I'm a researcher from India. I have been trying to make some EM fitting image with model protein. There is no Volume viewer option for Line smoothening, surface smoothening or square mesh to triangle mesh conversion. Also surface smoothening problem. I have been trying to execute through the command line, but it doesnt work . Can you help me regarding command line code for following Mesh Line smoothing Mesh surface smoothening Dim transparency
The suite is ChimeraX or ChimeraX 1.9
Regards, Akash Singh
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