At 5/5/06, you wrote:
It's probably time I told people about some of the prototype Jmol.js
niceties in
<http://www.stolaf.edu/people/hansonr/jmol/test/proto/Jmol-new.js>
Dear Bob,
This all looks extremely useful. At last there is a mechanism to keep track
of when the applet has completed a task! And better yet, whether it
completed the task successfully.
1. Is there any way to tell when the applet is initially loaded and ready
for the first script? My inability to do this caused lots of head
scratching when I began designing FirstGlance.
2. Is there any way to tell when the Protein Data Bank does not supply the
PDB file requested in a load command? FirstGlance presently just leaves a
blank applet (white, Jmol frank disappears), a very ungraceful failure.
Unfortunately, I cannot immediately take advantage of the new jmol.js ...
3. LACK OF JMOL.JS DOCUMENTATION. When I started coding FirstGlance, I
decided not to use jmol.js. This was partly because it didn't support some
functions I needed, but mainly because it is undocumented and I was afraid
to use it. From inspection of the contents of jmol.js, it appears to do
some sort of browser/java version testing, but I cannot tell what this is
supposed to accomplish. Until someone documents the situations this is
supposed to handle and what it is attempting to do, I will continue to be
reluctant to use jmol.js for FirstGlance. I want to avoid a situation where
a (common) client situation that I haven't tested causes an unanticipated
failure mode. For example, no java in Windows, or a very old version of
java. Right now, FirstGlance would fail to work at all, or to work
correctly, without any explicit error messages. That is certainly not
optimal. But I can't tell whether jmol.js would do better.
One bit of code in jmol.js that particularly concerns me (and is
inscrutable to me) is this:
windowsClassId: "clsid:8AD9C840-044E-11D1-B3E9-00805F499D93",
windowsCabUrl:
"http://java.sun.com/update/1.5.0/jinstall-1_5_0_07-windows-i586.cab";,
I wish someone would explain to me what this is designed to do, and how I
could test it.
More generally, I think we need thorough on-line documentation, in one
place, on what jmol.js is designed to do, how to use the functions in it, etc.
-Eric
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