On 05/13/2015 06:35 AM, Robert Hanson wrote:
> http://chemapps.stolaf.edu/jmol/zip/jmol-14.3.13_2015.05.12.zip
>
>
> Jmol.___JmolVersion="14.3.13_2015.05.12"
>
> bug fix: re-entering functions loses if/else state
> bug fix: more issues with low-resolution linear-z index lines.
> Need to compromise for isosurfaces and nucleic cartoons
> -- which became very slow to render with precision Z placement.
>
>
> The second fix there is in relation to a subtle mistake that Jmol's
> renderer makes in calculating the z position of a pixel in perspective
> mode. In particular, the calculation across a line in space is *not*
> linear -- it is a curve. This is now fixed,
> but I needed to make some performance compromises in JavaScript such that
> it is not implemented with isosurfaces or nucleic acid bases. This seems
> reasonable because those typically involve hundreds or thousands of small
> triangles, and this only appears significant with long lines or large
> triangles.
>
> The first bug fix is for Rolf -- recursive function calling was losing
> if/else references. Just a very simple fix. So now Jmol functions are fully
> recursive.
Thanks, Bob. It works now up to a level of 100:
level=100 maxLevel=101
script ERROR: too many script levels
----line 3 command 3 of function rectest:
recTest ( level + 1 , maxLevel >> ) <<
It would be nice to add the recursion limit to the documentation, since
it seems to be stable.
In contrast, in Javascript in my Firefox 37.0 it doesn't seem to be
stable. According to this test page
(http://adamrich.name/recursion.html) it flips somewhere between 5000
and 17000. The test data is collected and summarized (apparantly as
average) on another page
("http://www.browserscope.org/user/tests/table/agt1YS1wcm9maWxlcnINCxIEVGVzdBi9qbEUDA?v=3&layout=simple";).
In Perl the recursion level was never a problem for me because the limit
seems to be only dependent on the amount of available memory. 10 million
levels are no problem on my system with the simple 'recTest' function
from the recent recursion thread, if 10 GB of memory are available. (The
process was killed from the system if less was available.)
After I learned about the rather low Javascript limit I rewrote my
recursive Jmol script function to a non-recursive one. Just to be on the
save side with JSmol. So the even lower Jmol limit cannot become a
problem for me any more.
Regards,
Rolf
--
Rolf Huehne
Postdoc
Leibniz Institute for Age Research - Fritz Lipmann Institute (FLI)
Beutenbergstrasse 11
07745 Jena, Germany
Phone: +49 3641 65 6205
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