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MHC1_TXT
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1995-12-13
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This document has the following sections:
INSTALLATION OF RASWIN SCRIPT
OPERATION OF SCRIPT
SCRIPT SPEED/PACING/TIMING
- - - - - - - - - - - - - - - - - - - - - - - - - - -
INSTALLATION OF RASWIN SCRIPT
Each script consists of a top level script plus many
subscripts and some PDB files. It is therefore
advisable to install each script in a separate
subdirectory. For example, assuming you have installed
the RasWin program files in C:\RASWIN, the script MHC1
could be installed in C:\RASWIN\MHC1.
To do this, copy the packed file MHC1ZIP.EXE into the
desired subdirectory, and then run it as a DOS program
at the DOS prompt (which will unpack it).
Now run Windows. In Windows, with the RasWin icon
selected, select File, Preferences, and change the
Working Directory to the one containing the unpacked
script files. (If you want access to RasWin's built-in
help, you must also copy RASWIN.HLP into the working
directory.)
If you have several scripts, you may wish to create a
separate RasWin icon for each. This would enable you
to change scripts smoothly during a lecture, without
changing the working directory. With the RasWin icon
highlighted, select File, Copy. Now use File,
Properties to change the working directory to the one
for the script, and the Description (which will appear
under the icon) to the script name. Thus you will end
up with a script-name-labeled RasWin icon for each
script. If you wish, you can even configure the
Properties to run the script automatically when the
icon is double-clicked. To do this, put '-script
mhc1.top' after RASWIN.EXE in the Command Line slot of
the Properties box. [WARNING: there is a bug in RasWin
beta 2.6 which hangs scripts started in this way at the
first pause. Therefore, scripts will have to be run
manually, with a 'script mhc1.top' command in the
command window, until this is fixed.]
OPERATION OF SCRIPT
MHC1.TOP is the top-level script. Start it by typing
'script mhc1.top' in the RasWin command line window,
then pressing Enter.
This script is designed for NO MANUAL ROTATION during
the script. It pauses frequently, waiting for the
lecturer (or student) to press the space bar to
proceed. The very last image in the script (after the
RASMOL> prompt returns) benefits from manual
rotation with the mouse.
When the VSV peptide first appears, the molecule will
be too high (due to a bug in RasMol 2.6 beta). Center
it manually (right mouse button for translation) before
proceeding.
SCRIPT SPEED/PACING/TIMING
RasWin32 beta 2.6 (the 32 bit program) is several times
faster than RasWin 2.6 (the 16 bit program). To run
RASWIN32 you may need a Windows accessory package which
is provided free by MicroSoft. For details see:
http://www.umass.edu/microbio/rasmol/getras.htm
Script execution speed is affected by the speed of your
computer, the speed of your graphics card, the screen
resolution, and the size of the RasWin graphics window.
Starting with a full-screen graphics window, you can
speed up execution by reducing the resolution from
1024 x 768 to 800 x 600 to 640 x 480 pixels. This is
usually done with a SetRes (or related) icon in the
Windows Control Panel. Further increases in speed can
be obtained by reducing the size of the graphics window
(to less than full-screen). Quick previewing of scripts
can be done very quickly in a tiny graphics window.
-Eric Martz
emartz@microbio.umass.edu