solid object insertion point in DXF

When I scan a dxf file of a solid like a box or sphere I don't see an
obvious code 10,20 or 30 for an xyz insertion point. I do see that a solid
is code in some sort of packed ascii format. Any words of wisdom on parsing
out an object from a dxf file and then reconstructing a new dxf with copies
of the object placed elsewhere. Is this a doable hack?
Rex

 

The ACIS solid information is encrypted.

If you are on 2002, you may be able to WBLOCK the solid as a DesignXML
file, then parse the XML file for the info you need.

Check this thread also:
http://tinyurl.com/etg99

 

Are you saying that only acad2002 does this? My 2005 doesn't appear to save
as a .xml file..
rex

 

Yes, they removed this functionality in later releases.

Note that it's DesignXML, only found in 2002 WBLOCK, IIRC.

 

Hi,

The "encryption" is pretty lame, a simple character replacement scheme.
Try a google on this group using keywords "acisdecode owen wengerd".
That gets you the information.

As for transformation ... I'd be hesitant to even start. There are many
ACIS entity types and you need to support every single on to get
reliable functionality. I'd recommend joining the Open Design Alliance
and using DWGDirect to transform the objects.

Henrik Vallgren
www.streamspace.com