Subject:
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Re: Simple LDraw viewer code for Processing.org
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Newsgroups:
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lugnet.cad
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Date:
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Tue, 12 Jan 2010 13:16:13 GMT
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Viewed:
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13162 times
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In lugnet.cad, Santeri Piippo wrote:
> In lugnet.cad, Michael Heidemann wrote:
> > I have also made an attempt to build a viewer, but it is also very limited in
> > what it can do (very little files if you do not wait an hour, no optional lines,
> > but it could read subfiles).
> > As I discovered that it is quite easy to write a viewer for some lines, but
> > much, much for effort to have a quick working LDraw viewer I left that project
> > and asked for a DLL from the current working LDraw viewer that I can use in my
> > apps.
> >
> > So at present I am still searching for such a .NET DLL for a viewer that can be
> > used on all OS without to be recompiled.
> >
> > cu
> > mikeheide
> I tried to write a viewer once too (as a series of experimentation of maybe
> having done a CAD program for parts authors!) using Tcl and OpenGL, but it
> turned out to be *REALLY* slow, most probably due to bad subfile handling. While
> the Animal Frog piece was not *so* bad, 3002.dat was incredibly slow and the PF
> M-Motor threw an overflow error. So much for that. :)
>
> Akin to Mike's hopes, an LDraw viewer library for tcl3d (=OpenGL bindings for
> Tcl) would indeed work for me...
Incidentally, Processing does have an OpenGL renderer (JOGL), although I haven't
done any sort of testing to see how significant the performance benefit is. I
used the software renderer for the web viewer I posted just because the support
files for OpenGL increased the applet site to a few MB and I did not want to
wait for it to upload.
But, I am a fan of Tcl, too, so a tcl3d library would please me as well.
Jim
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Message is in Reply To:
 | | Re: Simple LDraw viewer code for Processing.org
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| (...) I tried to write a viewer once too (as a series of experimentation of maybe having done a CAD program for parts authors!) using Tcl and OpenGL, but it turned out to be *REALLY* slow, most probably due to bad subfile handling. While the Animal (...) (15 years ago, 12-Jan-10, to lugnet.cad)
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