Sure enough! Thank you, Eric. That should read better now.
On Tue, Apr 10, 2012 at 5:04 PM, Eric Martz <[email protected]>wrote:
> Dear Bob,
>
> Yes, specifying pixel sizes in "write image" works brilliantly. I was
> unable to discern from the present documentation that this was possible. I
> suggest adding some version of what is below in the "write image"
> documentation (below "write frames"):
>
> write width height IMAGE format compression "filename" Width and height
> are optional, and are specified in pixels. Format is one of JPG, JPG64,
> PNG, PNGJ, PNGT, PPM (see below). Compression is a number between 0 and 10
> (default 2).
>
> The image size will default to the size of the Jmol viewport. However, you
> may specify width and height in pixels for the written image, thereby
> increasing resolution. By default, antiAliasImages will be on -- it is
> distinct from antiAliasDisplay which need not be turned on in order to
> smooth your written images. Examples:
>
> write "mypic.jpg"
> write IMAGE "mypic.jpg"
> write IMAGE JPG "mypic.jpg"
> write 2048 1024 IMAGE PNG "mypic.png"
> write IMAGE PNG 1 "mypic.png"
> write 2048 1024 IMAGE PNG 3 "mypic.png"
>
> Thanks! Eric
>
> At 4/2/12, you wrote:
>
> There is no need to do anything with your display. Doesn't
>
> write image 2000 1500 xxx.jpg
>
> do it?
>
>
>
> On Mon, Apr 2, 2012 at 3:51 PM, Eric Martz < [email protected]>
> wrote:
> I wanted to make large (hi-res) jpg images using Jmol 12.2.19
> application. I start it with
>
> java -Xmx1024m -jar ~/Downloads/jmol-app/jmol.jar
>
> on OS X to give Jmol 1 gig of memory.
>
> Here is my script:
>
> load =7tim
> select all
> spacefill off
> select not solvent
> spacefill
> color chain
>
> reset;center {73.4425 41.286503 51.1565}; rotate z 102.41; rotate y
> 149.09; rotate z -65.73;
>
> select pgh
> spacefill
> color cpk
>
> set antialiasdisplay on
> background white
>
>
> 1. My screen is 1440 x 900 pixels. Before saving the jpg, I use
> Jmol's Display, Resize menu to set Jmol to 2000 x 1500 pixels.
>
> First possible bug: Every time I do that, I get only the width reset.
> So if Jmol was 1024 x 765 pixels, and I request 2000 x 1500, I get
> 2000 x 765. On the second try, it always works, going to the
> requested 2000 x 1500. Of course I cannot see the entire image on my
> screen, but that is OK.
>
> 2. I was able to "write jpg xx.jpg" for a cartoon image, and for a
> wireframe image at 2000 x 1500 pixels. However, I was unable to write
> the jpg at that pixel size for a spacefill image (above script). The
> write completes, but the image is corrupted. This appears to me to be a
> bug.
>
> I also tried it at 1500 x 1000 pixels and also got a (different)
> corrupted image in the jpg file. Jmol's display flashes the corrupted
> image while it is writing, then returns to the true image after
> writing is completed.
>
> At 1024 x 765 pixels, I was able to save the image without any corruption.
>
> Thanks, Eric
>
>
>
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>
--
Robert M. Hanson
Professor of Chemistry
St. Olaf College
1520 St. Olaf Ave.
Northfield, MN 55057
http://www.stolaf.edu/people/hansonr
phone: 507-786-3107
If nature does not answer first what we want,
it is better to take what answer we get.
-- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900
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