Thank you Thomas, that certainly works, but it’s not as smooth as Chimera. I 
took a bit of a crash course in Chimera and figured out how to gaussian the map 
and then export it as a .mrc file. I could then open that in PyMOL and proceed!


> On Apr 8, 2016, at 2:56 PM, Thomas Holder <thomas.hol...@schrodinger.com> 
> wrote:
> 
> Hi Adam,
> 
> As I understand, you want to do some low-pass smoothing on the map, correct? 
> I'm not aware that this functionality would be available in PyMOL. However, 
> PyMOL can downsample the map, which averages 8 voxels into 1 and thus also 
> provides some level of smoothing. Try this:
> 
> fetch emd_6413, map, async=0
> map_halve map
> map_halve map
> isomesh mesh, map
> 
> Hope that helps.
> 
> Cheers,
>  Thomas
> 
> On 05 Apr 2016, at 15:24, harold steinberg <h.adam.steinb...@gmail.com> wrote:
> 
>> Hi All,
>> 
>> I’m trying to make an isomesh of EMD-6413 (a cryo map) in Pymol. It’s a 
>> large map with a lot of extra, not very clean. In Chimera I can just 
>> gaussian the map with a new map to the level I want with a slider and it 
>> looks good, but I’d much rather work in PyMOL!
>> 
>> PyMOL can gaussian maps, I do it all the time, but on maps that I create in 
>> PyMOL. How do I get an isomesh on EMD-6413 that I can gaussian?
>> 
>> Normally I would use:
>> alter all, q=1
>> set gaussian_resolution, 5
>> map_new mapA, gaussian, 1, pdb code, 6
>> isosurface surfA, mapA
>> 
>> But in in this case I don’t want to use a pdb, just the cryo map.
>> 
>> I can isosurface the cryo map with the following:
>> isosurface mapname, EMD-6413, 4 (any number between 1-6)
>> 
>> but that doesn’t allow me to apply the gaussian to the map…
>> 
>> How do I create an isosurface with a gaussian?
>> 
>> Thanks for any help,
>> 
>> H. Adam Steinberg
>> 7904 Bowman Rd
>> Lodi, WI 53555
>> 608/592-2366
> 
> -- 
> Thomas Holder
> PyMOL Principal Developer
> Schrödinger, Inc.
> 

H. Adam Steinberg
7904 Bowman Rd
Lodi, WI 53555
608/592-2366


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