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MathGroup Archive 2012

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Re: some Experience with webMathematica

  • To: mathgroup at smc.vnet.net
  • Subject: [mg126884] Re: some Experience with webMathematica
  • From: Yuri Fadeev <jurasea at yahoo.com>
  • Date: Fri, 15 Jun 2012 15:26:44 -0400 (EDT)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com
  • References: <jqcn7f$12j$1@smc.vnet.net> <jqkheg$4lu$1@smc.vnet.net> <jr6pcp$p9c$1@smc.vnet.net>

Hi Andre,

I've webMath v.3.0.1 (not 3.1) but i guess there isn't big difference
regarding this issue.

Unfortunately all Java functionality for newer Mathematica functions
based on LiveGraphics3D seems to be a bit obsolete.. As I know
original package developer haven't released public versions since
2005~2006 and it was intended for Mathematica versions up to 6.0 (not
including).. later versions in accordance to description formally were
not fully supported. Wolfram did include assembly for my webMath dated
2006 on Java:1.6.0..
You can check for more details (including debugging options) here:
http://www.vis.uni-stuttgart.de/~kraus/LiveGraphics3D/
or try to contact him directly if you wish.
Within examples there I haven't seen any which would include multiple
complex shape objects.
(Don't install live.jar (..webMathematica\Resources\applets\live.jar)
version 1.90 as it seems to me like is older than the one
webMathematica has build in / 1.92 or 1.93).

The only possible way I see to get a bit more control over it - is to
change some default/initialization options for Live3D
in ..webMathematica\WEB-INF\Applications\MSP\MSP.m because error
emerges on communication step between MSP assembly and live.jar ,
newer functions seems to pass more options from MathKernel which are
not filtered/adjusted accordingly via MSP interface (in transition to
primitives or via replacement rules/functions for Graphics3D options)
resulting in output failure (for instance BarChart3D or
SmoothHistogram3D with MSPLive3D will fail because without command
Ticks->None live.jar applet receives some junk it can't interpret
properly).
Perhaps it might be easier to work around this package/functions or
even reassemble another one (.jar) =)

With my version i've been disappointed with failure of some newer
functions, and yet omitting interactivity - it works like a charm via
standard 2D image injection to webpage.

P.S. since you can't really see live.jar applet full errors you still
can track/debug missed errors on mathematica FrontEnd {via
Needs["MSP`"]}, or WorkBench or check webMathematica.log/
KernelEvents.log in your ..Program Files\Apache Software Foundation
\Tomcat 7.0(version)\logs folder (although since as i can see u hv
Linux in ur /opt/apache-tomcat-6.0.35/logs)



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