Way ahead of you :)
http://chemapps.stolaf.edu/jmol/jsmol.zip
implements a new feature
WRITE PNGJ 800 800 "?.png"
for example, to specify the image size.
Interestingly, this image-writing feature does not depend upon Jmol having
a visible canvas at all. I just realized that, if we wanted to, we could
implement a "headless" Jmol in HTML5 that has no canvas.
Bob
On Sun, Mar 17, 2013 at 5:03 AM, Greeves, Nick <[email protected]>wrote:
> Very nice. On a Mac (10.8.3) with Safari (6.0.2) the generated image is
> automatically opened in Preview and when dropped onto Jmol.jar reveals the
> true Jmol content.
> Firefox, Chrome and Opera work too prompting to open the new file.
>
> The resolution of the image is presumably based on the size of the JSmol
> window, which is small in Bob's demonstration page, and so the final
> resolution is low. I've used similar image generation methods from very
> large applets in the past to create higher quality graphics.
>
> Is there a way of changing the dimensions of the JSmol applet on the fly
> or by getting it to track the size of the window? As in
> http://chemapps.stolaf.edu/jmol/docs/examples-12/new.htm - new resizable
> window?
> Best regards
> Nick
> --
> Nick Greeves via OS X Mail
> Director of Teaching and Learning
> Department of Chemistry
> University of Liverpool
> Donnan and Robert Robinson Laboratories
>
> Crown Street, LIVERPOOL L69 7ZD U.K.
> Email address: [email protected]
> WWW Pages: http://www.chemtube3d.com
> Tel: +44 (0)151-794-3506 (3500 secretary)
> Dept Fax: +44 (0)151-794-3588
>
>
>
>
>
>
>
>
> On 17 Mar 2013, at 00:22, [email protected] wrote:
>
> Date: Sat, 16 Mar 2013 16:06:07 -0500
> From: Robert Hanson <[email protected]>
> Subject: [Jmol-users] WRITE working
> To: "[email protected]"
> <[email protected]>
> Message-ID:
> <caf_yuvu1upuqarek0w3_b4+5ezvzanpqdsueyewq0t-wmyk...@mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Note the new link "image" under the applet at
> http://chemapps.stolaf.edu/jmol/jsmol/jsmol.htm
>
> The PNG image is constructed in JavaScript, encoded as BASE64, and sent to
> the server for decoding and sending back as a PNG file. In this case, it's
> a PNGJ file, so it serves both as an image and a ZIP file containing the
> relevant files. (At least, 7Zip opens it as a ZIP file and MSPaint opens it
> as an image). I think you can also use other methods with HTML5 to capture
> the image from a canvas, but I'm not sure that works with all browsers.
>
> --
> Robert M. Hanson
> Larson-Anderson Professor of Chemistry
> Chair, Chemistry Department
> St. Olaf College
> Northfield, MN
> http://www.stolaf.edu/people/hansonr
>
>
>
>
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--
Robert M. Hanson
Larson-Anderson Professor of Chemistry
Chair, Chemistry Department
St. Olaf College
Northfield, MN
http://www.stolaf.edu/people/hansonr
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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