VMD-L Mailing List

From: Lixia Jin Day (ljin12_at_asu.edu)
Date: Fri Apr 25 2008 - 14:18:24 CDT

I am using VMD1.8.6. Why it says tachyon is a invalid command?
I am following your instructrection at
http://www.ks.uiuc.edu/Research/vmd/minitutorials/tachyonao/
I don't see instruction for tachyon usage in the movies tutorial.

Thanks!

Lixia

On Fri, Apr 4, 2008 at 3:59 PM, John Stone <johns_at_ks.uiuc.edu> wrote:

>
> Hi,
> The Images and Movies tutorial explains how to take the .dat file
> and re-render it at arbitrarily high resolution. Basically you just
> need to re-run Tachyon with an extra "-res xxx yyy" parameter to tell
> it how large you want the image. See the top of the .dat file and
> it should incorporate the rest of the command line you'll need.
>
> Cheers,
> John Stone
> vmd_at_ks.uiuc.edu
>
> On Fri, Apr 04, 2008 at 03:42:08PM -0700, Lixia Jin Day wrote:
> > John,
> >
> > I used Tachyon and got two files: plot.dat and plot.dat.bmp. The
> > plot.dat.bmp is a little bigger than the snapshot bmp file. They have
> > similar qualities when viewing in photoshop. I cannot zoom in 200% and
> still
> > have smooth figures. My molecules are in tube and VMD.
> >
> > I also downloaded POV-Ray and rendered in pov then ran POV-Ray to get a
> bmp
> > file. It even has a worse quality.
> > I believe there is some techniques that I don't know. What do you think
> my
> > problem is?
> >
> > I want to have a figure that I can zoom in 400%+.
> >
> > Thanks!
> >
> > Lixia
> >
> > On Fri, Apr 4, 2008 at 2:36 PM, John Stone <johns_at_ks.uiuc.edu> wrote:
> >
> > >
> > > Hi,
> > > The "Snapshot" renderer simply captures the on-screen image, so
> > > the only thing that matters there is how large the display window is.
> > >
> > > The resolution controls in the graphical representations window change
> > > the _geometric_ resolution of the polygonal model of the molecular
> > > structure,
> > > but not the image resolution.
> > >
> > > If you want to generate high resolution images for printing, you'll
> > > likely want to use one of the external renderers. I'd suggest starting
> > > out with Tachyon as it is included with VMD and should be pretty easy
> to
> > > use in a manner similar to what you've been doing already with the
> > > Snapshot
> > > renderer.
> > >
> > > I'd strongly recommend that you take a look at the VMD Image and Movies
> > > tutorial for more guidance:
> > >
> > >
> http://www.ks.uiuc.edu/Training/Tutorials/vmd-ref/imgmv/tutorial-html/index.html
> > >
> > > Cheers,
> > > John Stone
> > > vmd_at_ks.uiuc.edu
> > >
> > >
> > > On Fri, Apr 04, 2008 at 02:27:04PM -0700, Lixia Jin Day wrote:
> > > > When I render to BMP it always gives the same size(resolution)
> figures
> > > no
> > > > matter what resolution I set in Graphical representations.
> > > > When I render to PS, the figure is not very smooth though the
> resolution
> > > is
> > > > high.
> > > > I don't know other render formats.
> > > >
> > > > What is the best way to render figures for publication? Thanks!
> > > >
> > > > Lixia
> > >
> > > --
> > > NIH Resource for Macromolecular Modeling and Bioinformatics
> > > Beckman Institute for Advanced Science and Technology
> > > University of Illinois, 405 N. Mathews Ave, Urbana, IL 61801
> > > Email: johns_at_ks.uiuc.edu Phone: 217-244-3349
> > > WWW: http://www.ks.uiuc.edu/~johns/ Fax: 217-244-6078
> > >
>
> --
> NIH Resource for Macromolecular Modeling and Bioinformatics
> Beckman Institute for Advanced Science and Technology
> University of Illinois, 405 N. Mathews Ave, Urbana, IL 61801
> Email: johns_at_ks.uiuc.edu Phone: 217-244-3349
> WWW: http://www.ks.uiuc.edu/~johns/ Fax: 217-244-6078
>