Here are some benchmarks
1)This is an example for rendering of the image based on a multi-model
pdb of 240 frames (all states splitted into the same model)
Ray: render time: 698.52 sec. = 5.2 frames/hour (698.52 sec. accum.).
2) This is the same for 20 model pdb
Ray: render time: 19.26 sec. = 186.9 frames/hour (19.26 sec. accum.).
My hardware is iMAC 3.4 ghz Core i7, 16Go 13000 DDR3
I am using pymol 2.4.1 (full version)
ср, 21 окт. 2020 г. в 14:59, Jeff Saxon <jmsstarli...@gmail.com>:
>
> thank you, Blaine!
> actually this problem only exists for the saving image of the system
> consisted of many models loaded into save pymol session after its
> splitting
> I've already tried with dpi=50 (keeping the same resolution) but It
> did not produce any differences :-)
> Cheers,
> J.
>
> ср, 21 окт. 2020 г. в 13:18, Mooers, Blaine H.M. (HSC)
> <blaine-moo...@ouhsc.edu>:
> >
> > Hi Jeff,
> >
> > 10 minutes is a long time for a 800 by 800 pixel image.
> > Maybe you need to use a computer with more memory.
> >
> > You can set the dpi in the argument to the png command to a lower value
> > like 300 or 200 to speed up writing the png file.
> > You can also turn off the casting of shadows: cmd.do("set
> > ray_shadows,off"), which might save a few seconds.
> >
> > Best regards,
> >
> > Blaine
> >
> > Blaine Mooers, Ph.D.
> > Associate Professor
> > Department of Biochemistry and Molecular Biology
> > College of Medicine
> > University of Oklahoma Health Sciences Center
> > S.L. Young Biomedical Research Center (BRC) Rm. 466
> > 975 NE 10th Street, BRC 466
> > Oklahoma City, OK 73104-5419
> >
> > ________________________________________
> > From: Jeff Saxon [jmsstarli...@gmail.com]
> > Sent: Wednesday, October 21, 2020 4:03 AM
> > To: pymol-users
> > Subject: [EXTERNAL] [PyMOL] Generation of images using png
> >
> > Dear PyMol users,
> > I am generating png images of protein-ligand complex using png command
> > of pymol. This is the syntax that I am using from my bash script:
> >
> > image=800
> > pdb='my.pdb'
> > # load pdb, split states, make image
> > MacPyMOL -c -d "
> > from pymol import cmd
> > cmd.load('${pdb}')
> > cmd.split_states('complex*')
> > cmd.bg_color('white')
> >
> > cmd.draw(${image},${image});cmd.png('test.png',width=${image},height=${image},ray=1)
> > "
> >
> > Briefly, it works well but the time of the production of each image is
> > up to 10 minutes (in the case if I have many models in my.pdb). Is it
> > possible to speed PNG, while keeping the same resolution of image
> > (800x800)?
> >
> > Cheers,
> > J.
> >
> >
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