Path: chuka.playstation.co.uk!news
From: "Steve Dunn" <stevedunnmobile@dial.pipex.com>
Newsgroups: scee.yaroze.programming.3d_graphics
Subject: Re: 3D Object Size
Date: Wed, 25 Mar 1998 13:58:57 -0000
Organization: PlayStation Net Yaroze (SCEE)
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Message-ID: <6fb1oj$f1o30@chuka.playstation.co.uk>
References: <6f9emu$f1o27@chuka.playstation.co.uk> <35186EC5.64A5@mx2.redestb.es> <01bd57cd$008d14c0$72d449c2@Angela1.intelligent-group.com>
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>
>When converting a 3DS Max (which Steve is using) exported DXF, use the
>command line:
    How do you know that ! :)
>
> dxf2rsd -v -Y-Z -s -e 1 myfile.dxf
>
    Thanks Craig.

Any ideas on how to get the 'object size' from a 3D object in an ordering
table as in the first part of my original post ?


Cheers

Steve

Craig Graham wrote in message
<01bd57cd$008d14c0$72d449c2@Angela1.intelligent-group.com>...
>
>
>Xavi <xavit@mx2.redestb.es> wrote in article
><35186EC5.64A5@mx2.redestb.es>...
>> Steve Dunn wrote:
>> >     I have a simple cube object (simple
>> > for you lot, still took me an hour!)
>> > created in 3DS.  When I export to dxf,
>> > the normals are all AAF (pointing the
>> > wrong way), so I can only dab on the
>> > texture on the 'inside' of the cube.  I
>> > got around this by using the 'double
>> > sided polygon' command line wotsit in
>> > the dxf2rsd tool.  The real problem is
>> > that all surfaces of the cube are made
>> > up of 2 triangles.  Now when these are
>> > displayed, I can see the 'gap' between
>> > the two triangles on the textured face.
>>
>> When you save a dxf file the normals swap. You must
>> re-swap them with "-back" parameter.
>>
>> try: dxf2rsd -back -quad2 ... ...
>>
>
>When converting a 3DS Max (which Steve is using) exported DXF, use the
>command line:
>
> dxf2rsd -v -Y-Z -s -e 1 myfile.dxf
>
>Explaination:
>
>-v verbose mode (so you can see what it's doing)
>-Y-Z this'lll sort out the normals for you
>-s set the gourard shading bits in all the poly's (saves doing it with a
>text editor)
>-e 1 3DS Max tends to put in a lot of 'almost' the same points - they'll
>look like
> the same point in RSDTOOL, but you'll get tearing when you display it
>(esp.
> with a texture), so setting the error distance to a fairly small number
>will make all
> the 'almost' points to be exactly the same.
>
>Another (better) fix for the tearing is to load the RSD into RsdAnim and
>use the optimise vertices
>function with a radius of 1 (it works better than dxf2rsd's error
>distance). Then click the optimise
>polygons button for good measure (you'll get a much better result doing it
>with RsdAnim).
>
>Craig.
>NOTE: RsdAnim is a direct RSD format keyframe animator (MIMe generator)
>I've been working on.
>Steve has an early beta of it, so he can use it in this instance...
>
>
>