I have tested "write pngj" and "capture" to write files to the local
disk from an online HTML page. I also tested the ability to drop a pngj
into Jmol in a browser. I tested these 5 browsers (all current versions):
Chrome, Edge*, Firefox, Internet Explorer 11* (IE11), Safari#.
* Windows only.
# OS X only.
Chrome and Edge do not run Java. The other 3 do.
Tests were done in Windows 7 and/or 10, and in OS X Yosemite (10.10.5).
All testing was done at http://chemapps.stolaf.edu/jmol/jsmol/jsmol.htm
Commands used for testing (entered in the Jmol console):
write pngj "filename.png"
capture "filename.gif" rock 45
RESULTS
WRITING A PNGJ FILE: Works in Chrome, Firefox, IE11 in both Windows and
OS X, from both JSmol(HTML5) and Jmol_S(Java). Works in Safari with
JSmol(HTML5). Fails in Edge and Safari(Java mode).
DROPPING A PNGJ FILE INTO JMOL: Same results as writing pngj, except
fails in Firefox(Java mode only, OS X only) because the image replaces
the HTML page containing Jmol.
CAPTURE FROM JSMOL(HTML5):
From JSmol(HTML5) an error message is generated in every case. Samples
are below. The error message opens in an alert subwindow, and after
closing with the OK button, generation of the animation proceeds.
From JSmol(HTML5): Works in Firefox in both Windows and Mac, in IE11
and Safari. Fails in Chrome (both Windows and OS X) and Edge. In IE11
only, one must permit popups.
Generating the frames for a multi-GIF animation from JSmol(HTML5) is
very slow (about one second/frame) except in Safari. From Jmol(Java) it
is very fast.
From Jmol(Java): No error message. Works in Firefox in both Windows and
Mac. Works in IE11. Fails in Safari. (Chrome and Edge do not run Java.)
The above results are re-iterated below in tabular form.
OS Jmol Browser Write-pngj Drop-pngj Capture
---------------------------------------------------------------------------------------
Win7 JSmol IE11 YES* YES* PopupBlocker+ErrMsg+YES (very
slow!)
FF YES YES ErrMsg+YES (very slow)
Chrome YES YES ErrMsg+NO[1]
Win10 JSmol Edge PopBlok+NO[2] NO[3] ErrMsg+NO[2] (very slow!)
Java IE11 YES YES YES# (very fast!)
FF YES YES YES (very fast!)
OS10.10.5
JSmol FF YES YES ErrMsg+YES (very slow!)
Chrome YES YES ErrMsg+NO[1] (slow)
Safari YES YES ErrMsg+YES (fast)
Java FF YES NO[5] YES (extremely fast)
Safari NO[4] NO NO[4]
Safari fails to retrieve small molecules from NCI in Jmol_S, but works
in JSmol.
* confirmed also for Win10; # confirmed also for Win7.
[1] Completes process, no error, nothing saved (even with popups enabled
for the site).
[2] Seems to complete process and opens a new tab, but nothing, no error
msgs.
[3] Cannot drop anything including an htm file into Edge. Did not find a
setting to enable this.
[4] Error "Operation not permitted". Also the Java file save dialog does
not show the directory/file list!
[5] Image opens, replacing the Jmol_S page.
----------------
Error message from Firefox below. From other browsers, some messages say
"TypeError: Unable to get property 'intValue' of undefined or null
reference try/catch path".
TypeError: params.get(...) is null try/catch path:
0 function (b,d)
args[0]=TypeError: params.get(...) is null
args[1]=function (){a.instantialize(this,arguments)}
1 javajs.img.GifEncoder.setParams(params)
args[0]={captureMode=movie, date=2015-11-17T11:00:25, captureFps=10,…
(etc etc)
---------------------------------------------------------------------------------
-Eric
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