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Subject: 
Re: SVG renders possible?
Newsgroups: 
lugnet.cad.dev
Date: 
Fri, 1 Apr 2011 06:32:36 GMT
Viewed: 
32540 times
  
In lugnet.cad.dev, Travis Cobbs wrote:
> In lugnet.cad.dev, Bram Lambrecht wrote:
> > In lugnet.cad.dev, Michael Horvath wrote:
> > > Is it possible to create a SVG version of a rendering of an LDRaw model? I am
> > > only interested in the visible portion, such as what you see from one of the
> > > several default views (front, left, back, etc.).
> > 
> > Rendering from 3D to 2D vector graphics should be possible:
> > http://www.geuz.org/gl2ps/
> > But I don't know how efficient it is.
> > --Bram
> 
> LDView actually has experimental support for this built-in (although it has to
> be manually enabled via either a command line switch or a registry setting).
> Unfortunately, it's effectively useless on anything other than individual parts
> due to the astronomically large output files, and their extremely slow
> processing.  The results also tend to not render nicely in most SVG renderers
> (particularly transparent parts).  See below for the output from car.dat
> (WARNING: 8.3MB file).
> 
> http://www.halibut.com/~tcobbs/ldraw/private/car.svg
> 
> Here's a single part (276KB):
> 
> http://www.halibut.com/~tcobbs/ldraw/private/30272.svg
> 
> The above also has another experimental LDView feature (OBI: Old/Original
> Building Instructions) enabled with a custom part file to make use of that
> feature.  That's why the sides of many of the cylinders are black.

There must be a way to weld all those polygons together and do vertex shading,
but I'm sure its no 5 minute programming exercise.
--Bram



Message is in Reply To:
  Re: SVG renders possible?
 
(...) LDView actually has experimental support for this built-in (although it has to be manually enabled via either a command line switch or a registry setting). Unfortunately, it's effectively useless on anything other than individual parts due to (...) (15 years ago, 1-Apr-11, to lugnet.cad.dev)

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