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about DXF format [message #54401]

Tue, 12 June 2007 03:36

airy.jiang
Messages: 37
Registered: May 2007

Member

Hi,everybody.
Recently,i'm troubled in with loading DXF files into my program.
When I loading some simple DXF files ,it can be displayed very well.I
used IDLffDXF object,and I just checked whether the file has the
IDL_DXF_POLYGON entity acoording the GetContents and GetEntity
methods.Then load the vertex data and connectivities into new
IDLgrPolygon objects.But once I load some complex DXF files,the
trouble has coming:first,the position of some IDLgrPolygons are not
precision.Second,we know,sometimes,it just need one IDLgrPolygon
object to display a polygon which be composed by a lot of
triangles.But when I loading some DXF files, the GetEntity method
shows a very bad result.It produed many many IDLgrPolygons,so much as
decomposed some polygon entitys.That makes my program became very
slow ,and need to wait a long time for it .How could I promote my
loading speed?Is there any better way to avoid making too many
IDLgrPolygons through GetEntity method?
I don't know whether I made my question clear,please parden me for my
poor english^_*,I'll pracitse more.
Thanks.

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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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