Hi Tom,
Thank you so much for the prompt reply and a detailed solution!
I'll download the daily build and test the method.
Best,
Xin
________________________________
From: Tom Goddard
Sent: Monday, June 6, 2022 7:35 PM
To: Dai, Xin
Cc: chimerax-users@cgl.ucsf.edu
Subject: Re: [chimerax-users] Save the map after surface dust
Hi Xin,
The old message you found was for Chimera. Here is how to save the map without the dust in ChimeraX. The simplest way is to set map values outside the displayed surface to zero.
open 11638 from emdb
volume #1 level 0.04
surface dust #1 size 2
volume mask #1 surface #1
A drawback of that is that the map drops sharply to zero outside the shown contour level which can make it look jagged. Another approach is to zero the dust, which can be done by showing only the dust surface and zero everything inside that surface. This uses the "surface invert" command that I just added and will be in tomorrow's ChimeraX daily build (not in 1.4).
open 11638 from emdb
volume #1 level 0.04
surface dust #1 size 2
surface invert #1
volume mask #1 surface #1 invert true
This has the drawback that if you later show a lower threshold, new dust that has not been zeroed will appear.
Tom
[cid:1555D4E3-9D44-4645-AC8D-B38B47CF5996]
On Jun 6, 2022, at 3:29 PM, Dai, Xin via ChimeraX-users mailto:chimerax-users@cgl.ucsf.edu> wrote:
Dear ChimeraX developers,
I'm trying to save a density map following the command "surface dust".
However, the map saved remains to be the original one. Is there any command to save the cleaned map?
I found this old post http://www.cgl.ucsf.edu/pipermail/chimera-dev/2015/001263.htmlhttps://urldefense.com/v3/__http://www.cgl.ucsf.edu/pipermail/chimera-dev/20... asking the same question using Chimera.
But unfortunately, it's not working for me.
Thank you,
Xin
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