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Re: about DXF format [message #54664 is a reply to message #54401]

Fri, 29 June 2007 05:30

JMZawodny
Messages: 10
Registered: June 2007

Junior Member

On Jun 28, 3:23 pm, hradilv <hrad...@yahoo.com> wrote:
> On Jun 28, 1:37 pm, JMZawo...@gmail.com wrote:
>
>
>
>> One more thing about the dxf file. The bulk of the file is comprised
>> of several groups of lines like this ...
>
>> 0
>> 3DSOLID
>> 5
>> 63
>> 330
>> 1F
>> 100
>> AcDbEntity
>> 8
>> TELESCOPE
>> 100
>> AcDbModelerGeometry
>> 70
>> 1
>> 1
>> noi io n o
>> 1

>
>> Joe
>> From the specs:
>
> 3dsolid group codes
>
> Group codes Description
> 100
> Subclass marker (AcDbModelerGeometry)
>
> 70
> Modeler format version number (currently = 1)
>
> 1
> Proprietary data (multiple lines < 255 characters each)
>
> 3
> Additional lines of proprietary data (if previous group 1 string is
> greater than 255 characters) (optional)
>
> So I'm guessing these are "proprietary data" - maybe depending on the
> APP that wrote the DXF. Bummer...

Bingo! That was the thought behind my first post to this thread. The
"standard" supports the use of proprietary data. Things like that
generally make for useless standards. My only success in getting
AutoCAD-generated models into IDL via IDLffDXF is to export the model
from AutoCAD as an IGES or STEP file. Read it in with 3rd party
software which can tesselate the model and export the points and
connectivity arrays in a DXF. Hence my original request for IDL to
support reading IGES or STEP files.

I do appreciate everyone's ideas and input on this.

Joe

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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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