Hi Elaine,

I am toggling using the eye icon in the volume viewer.

This is with v 0.91 (2019-06-20).

Steps: - start chimera - open .mrc volume - adjust volume step size to 1, isosurface level, rotation - ui mousemode rightMode "pick blobs" - measure blob by right-clicking on a blob; blob is now colored (dark blue) and boxed (light green) - toggle eye icon. Volume is hidden - toggle eye icon. Volume surface is shown, blob is boxed but not colored anymore (it has the same grey color as the rest of the volume.

I can try and reproduce with the latest daily later today maybe.

Cheers, Alexis

On 6/25/19 10:23 AM, Elaine Meng wrote:

Hi Alexis, I’m not sure how you are hiding and showing the volume object. All the methods I tried for hiding/showing already do preserve the blob color from measure blobs:

• toggle using eye icon in Volume Viewer
• toggle using checkbox under eye icon in Model Panel
• command “hide” (hide #1; show #1)
• command “volume” with “hide” option (vol #1 hide; vol #1 show)

Elaine

Elaine C. Meng, Ph.D. UCSF Chimera(X) team Department of Pharmaceutical Chemistry University of California, San Francisco

...

On Jun 25, 2019, at 9:49 AM, Alexis Rohou a.rohou@gmail.com wrote:

Hi there,

I absolutely love the new measure blob UI in the daily builds. Very useful. Thank you so much for putting it together.

Is there a way to get the blob surface color to persist beyond hiding/showing the volume object? Obviously, in a script I could just re-measure the blob and re-color it, but is there another way to make the color "stick"? (Note, I don't plan to change the isocontour level)

Cheers, Alexis

Hi Alexis, Update: yes, it is probably the version. I happened to have a 6/18 build handy and in that, the color was erased just as you reported. So if you get the latest daily build, I expect the problem to be solved! Best, Elaine

On Jun 25, 2019, at 10:56 AM, Elaine Meng meng@cgl.ucsf.edu wrote:

Hi Alexis, That sounds the same as the workflow I tested. However, I was using the latest daily build on Mac (dataset eds:1a0m although that may not matter):

UCSF ChimeraX version: 0.91 (2019-06-25)

I wasn’t aware of any changes in the 5 days between our versions, though. Elaine

...

On Jun 25, 2019, at 10:45 AM, Alexis Rohou a.rohou@gmail.com wrote:

Hi Elaine,

I am toggling using the eye icon in the volume viewer.

This is with v 0.91 (2019-06-20).

Steps:

• start chimera
• open .mrc volume
• adjust volume step size to 1, isosurface level, rotation
• ui mousemode rightMode "pick blobs"
• measure blob by right-clicking on a blob; blob is now colored (dark

blue) and boxed (light green)

• toggle eye icon. Volume is hidden
• toggle eye icon. Volume surface is shown, blob is boxed but not

colored anymore (it has the same grey color as the rest of the volume.

I can try and reproduce with the latest daily later today maybe. Cheers, Alexis

On 6/25/19 10:23 AM, Elaine Meng wrote:

...

Hi Alexis, I’m not sure how you are hiding and showing the volume object. All the methods I tried for hiding/showing already do preserve the blob color from measure blobs:

• toggle using eye icon in Volume Viewer
• toggle using checkbox under eye icon in Model Panel
• command “hide” (hide #1; show #1)
• command “volume” with “hide” option (vol #1 hide; vol #1 show)

Elaine

Elaine C. Meng, Ph.D. UCSF Chimera(X) team Department of Pharmaceutical Chemistry University of California, San Francisco

...

On Jun 25, 2019, at 9:49 AM, Alexis Rohou a.rohou@gmail.com wrote:

Hi there,

I absolutely love the new measure blob UI in the daily builds. Very useful. Thank you so much for putting it together.

Is there a way to get the blob surface color to persist beyond hiding/showing the volume object? Obviously, in a script I could just re-measure the blob and re-color it, but is there another way to make the color "stick"? (Note, I don't plan to change the isocontour level)

Cheers, Alexis

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