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Re: about DXF format [message #54537 is a reply to message #54444]

Mon, 18 June 2007 05:23

JMZawodny
Messages: 10
Registered: June 2007

Junior Member

On Jun 16, 10:20 pm, airy.ji...@gmail.com wrote:
> no more people would like to discuss this topic?what a pity!

I have had nothing but trouble trying to export DXF files from AutoCAD
and read them with IDLffDXF. Some (most) objects never appear and
others are improperly positioned or rotated. My limited investigations
led me to conclude that while DXF may be an open standard to exchange
CAD models, it also allows for the inclusion of proprietary formatting
and objects. True, IDL does not support all object types that may
occur in DXF files, but this is not the primary problem. If you read
the DXF file directly (it's ASCII) you'll note a lot of AutoCAD
specific stuff in there that I gather tells AutoCAD more about how to
position and orient objects in the model. It would be much more useful
to me if IDL could read/write either IGES or STEP files as these are
really designed to exchange model geometries. I currently export these
types from AutoCAD and translate them to IDL-compatible DXF files
using 3rd party software from TechnoSoft (AML).

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[Message index]

		about DXF format By: airy.jiang on Tue, 12 June 2007 03:36
		Re: about DXF format By: airy.jiang on Sat, 16 June 2007 19:20
		Re: about DXF format By: JMZawodny on Mon, 18 June 2007 05:23
		Re: about DXF format By: airy.jiang on Wed, 13 June 2007 19:07
		Re: about DXF format By: airy.jiang on Wed, 13 June 2007 18:51
		Re: about DXF format By: Andrew Cool on Tue, 12 June 2007 16:45
		Re: about DXF format By: Rick Towler on Tue, 12 June 2007 16:24
		Re: about DXF format By: airy.jiang on Tue, 19 June 2007 08:20
		Re: about DXF format By: Vince Hradil on Mon, 18 June 2007 08:14
		Re: about DXF format By: Vince Hradil on Mon, 18 June 2007 07:55
		Re: about DXF format By: JMZawodny on Thu, 21 June 2007 06:51
		Re: about DXF format By: airy.jiang on Tue, 26 June 2007 21:12
		Re: about DXF format By: Vince Hradil on Wed, 27 June 2007 06:39
		Re: about DXF format By: Rick Towler on Thu, 21 June 2007 09:26
		Re: about DXF format By: JMZawodny on Thu, 28 June 2007 10:58
		Re: about DXF format By: Vince Hradil on Thu, 21 June 2007 07:50
		Re: about DXF format By: JMZawodny on Fri, 29 June 2007 05:30
		Re: about DXF format By: Vince Hradil on Thu, 28 June 2007 12:23
		Re: about DXF format By: JMZawodny on Thu, 28 June 2007 11:37

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