VMD-L Mailing List

From: John Stone (johns_at_ks.uiuc.edu)
Date: Fri Dec 23 2011 - 17:39:06 CST

Hi,
  Tachyon doesn't support rendering with an alpha channel yet, but it's on my
TODO list.

Cheers,
  John Stone
  vmd_at_ks.uiuc.edu

On Tue, Dec 13, 2011 at 04:31:52PM +0100, Bjoern Olausson wrote:
> On Monday 12 December 2011 11:08:49 you wrote:
> > On Mon, Dec 12, 2011 at 2:37 AM, Bjoern Olausson
> >
> > <namdlist_at_googlemail.com> wrote:
> > > Hi,
> > >
> > > I just rendered a scene where I moved some atom labels next to the VDW
> > > representation so they are visible.
> > >
> > > Rendering the scene with POVRAY resets the label positions to their
> > > default position.
> > >
> > > http://www.dropbox.com/gallery/42111605/1/vmd?h=77432b
> > >
> > > I tried with Tachyon, but Tachyon seems to be broken on my system, but
> > > any way, tachyon wouldn't be an option since it cant produce
> > > transparent background, or can it?
> > >
> > >
> > >
> > > This is the tachyon error:
> > >
> > > Info) Rendering current scene to '/mnt/mrbird/home/blub/binding-site-
> > > detail.dat' ...
> > > Info) Tachyon file generation finished
> > > Info) Executing post-render cmd '"/usr/bin/tachyon" -aasamples 12
> > > /mnt/mrbird/home/blub/binding-site-detail.dat -format TARGA -o
> > > /mnt/mrbird/home/blub/binding-site-detail.dat.tga' ...
> > > Tachyon Parallel/Multiprocessor Ray Tracer Version 0.98.9
> > > Copyright 1994-2010, John E. Stone <john.stone_at_gmail.com>
> > > ------------------------------------------------------------
> > > Parse Error:
> > > Encountered a syntax error in file /mnt/mrbird/home/blub/binding-site-
> > > detail.dat
> > > Expected to find TEXFUNC
> > > Actually found: R3D
> > > Error occured at or prior to file offset 28655232, line 1140658
> > > Error position is only approximate, but should be close
> > >
> > > Parse Error:
> > > Encountered a syntax error in file /mnt/mrbird/home/blub/binding-site-
> > > detail.dat
> > > Expected to find an object or other declaration
> > > Actually found: Phong
> > > Error occured at or prior to file offset 28655240, line 1140658
> > > Error position is only approximate, but should be close
> > >
> > > Parser failed due to an input file syntax error.
> > > Aborting render.
> > > Info) Rendering complete.
> > >
> > > Anny sugestions?
> >
> > try using the tachyon binary that is
> > bundled with VMD. this one seems older
> > and there were some incompatible changes
> > for VMD 1.9, if i remember correctly.
> >
> Tachyon would only be an option if it can render a solid background color
> transparent, like Pov-Ray with the -UA flag, can it?
>
> Cheers,
> Bjoern 

-- 
NIH Resource for Macromolecular Modeling and Bioinformatics
Beckman Institute for Advanced Science and Technology
University of Illinois, 405 N. Mathews Ave, Urbana, IL 61801
http://www.ks.uiuc.edu/~johns/           Phone: 217-244-3349
http://www.ks.uiuc.edu/Research/vmd/       Fax: 217-244-6078