Re: [Jmol-users] Does jmol draw cached CIFs ?

[Alan Hewat]

Dave Fletcher at Daresbury, who is responsible for the UK crystallographic database service, came up with a simple solution to prevent jmol/java caching CIF drawings.

First the problem:

If I draw a structure by loading a file "local4.cif" as usual like:

jmolApplet(600,'load "local4.cif" { 3 3 3 }; etc...

and then I change the contents of my file "local4.cif" and redraw it, the drawing remains the same even though when I "view" the file from the jmol window the new contents are correctly listed

Now Dave's solution was simply to replace the call to jmolApplet with...

jmolApplet(600,'load
"local4.cif?$id[0]" { 3 3 3 }; etc...

where $id[0] is a number unique for each structure. Surprisingly (?) jmol doesn't complain about this ?$id[0] appendix to the file name. Dave explains it like this:

The ?$id[0] is different for each structure, so stops the caching, but
everything after the ? is part of the GET query string which is not used by Jmol.

Thanks Dave. I was surprised and delighted that something so simple worked. Alan.

_____________________________________________________________
Dr Alan Hewat, ILL Grenoble,
FRANCE<[EMAIL PROTECTED]>fax+33.476.20.76.48
+33.476.20.72.13 (.26 Mme Guillermet) 

http://www.ill.fr/dif/people/hewat/
_____________________________________________________________



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