RE: [PyMOL] detecting the existence of a selection

2003-12-02 Thread Igor Pechersky
>if no atoms were picked, I would see the alarming error messages: >Selector-Error: Unknown keyword or selection. >Selector-Error: Malformed selection. >( ( lb<-- >Is it possible to suppress them and still get the result? Some kind of preliminary existence check might help. Something similar to f

Re: [PyMOL] electron density settings

2003-11-25 Thread Igor Pechersky
mwilke : > Does anyone know how to alter the isomesh settings? I'm trying to prepare > a figure with pretty electron density and would like to be able to decrease > the gap size of the mesh. I found the variables that seem to make sense > like "mesh_quality" and "min_mesh_spacing", but changing

Re: [PyMOL] dss & ribbon representation

2003-11-14 Thread Igor Pechersky
Andreas Foerster : > - The dss algorithm is great, a very quick way to assign secondary > structure. Is there a way of conserving the information when saving the > pdb? There are at least 3 ways to store SS assignments from PyMOL. Depends on your needs: 1. Save PyMOL session (*.pse). Atom prop

Re: [PyMOL] Spheres and backbone coloring

2003-11-13 Thread Igor Pechersky
slo...@mail.med.upenn.edu: > does anyone know how to color only the ribbon of a polypeptide, while > not coloring the CA atoms when using spheres? > duplicate your polypeptide, show the ribbon of one instance and atoms of another one -igor

[PyMOL] RE: surface area calculation

2003-11-13 Thread Igor Pechersky
Warren L. DeLano wrote: >> 1) "get_area selection" command will return the effective surface area >> of the dots that you would see from "show dots, selection". This is a >> discrete approximation -- not an exact calculation. >> >> 2) you can use the "dot_solvent" setting to control whether you