VECTORSPLINE not well imported with LeadTools Vector
Started by Gyob at 02-20-2008 11:39. Topic has 5 replies.
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 02-20-2008, 11:39
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Gyob
Joined on 02-11-2008
Posts 10
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VECTORSPLINE not well imported with LeadTools Vector
Attachment: ebl0861da.zip
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Hello,
I am asking about the VECTORSPLINE structure which does not contain all the information necessary to build a nurbs curve. The definition given by VECTORSPLINE does not match that of DXF. For example it lacks :
- The degree of the spline curve
- The Knot vector values
....
For these reasons, I attach to this post a dxf file which contains spline entities and where LeadTools vector the dxf is misinterpreting the spline entities regarding AUTOCAD interpretation of the same file.
Please let me know if there are any raisons for that ?
Thanks
o.bentoumi@type3.com
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02-21-2008, 8:36
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Qasem Lubani
 
Joined on 08-13-2006
Posts 1,090
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Re: VECTORSPLINE not well imported with LeadTools Vector
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Can you please tell me which LEADTOOLS version(14, 14.5 or 15) and prgramming interface you are using(DLL API, ActiveX, ClassLib)?
Qasem Al-Lubani
LEAD Technical Support
www.leadtools.com
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02-21-2008, 13:29
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Gyob
Joined on 02-11-2008
Posts 10
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Re: VECTORSPLINE not well imported with LeadTools Vector
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Hello,
I am using LeadTools version 15.0.0.23 and I am using the API Interface.
Thanks
o.bentoumi@type3.com
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02-22-2008, 8:58
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Qasem Lubani
Joined on 08-13-2006
Posts 1,090
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Re: VECTORSPLINE not well imported with LeadTools Vector
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If you set the dwFlags
members of VECTORSPLINE to VECTOR_SPLINE_CONTROLPOINTS instead of VECTOR_SPLINE_FITPOINTS,
do the objects render more closely like AutoCAD? If not, please tell me where
exactly on the drawing our toolkit differs significantly from AutoCAD.
Qasem Al-Lubani
LEAD Technical Support
www.leadtools.com
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02-22-2008, 11:06
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Gyob
Joined on 02-11-2008
Posts 10
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Re: VECTORSPLINE not well imported with LeadTools Vector
Attachment: SplineCapture.jpg
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I have set the flag dwFlags to VECTOR_SPLINE_CONTROLPOINTS so the result still unchanged. The problem is that we have not more informations retreived by your library concerning the VECTORSPLINE in order to get the same result as AUTOCAD. I attach to this message a capture where you can see the significant difference between the VECTORSPLINE handeled by your library (RED CURVES) and those handeled by AUTOCAD (BLEU CURVES). Those splines are more smooth.
Why your library can not retreive all informations concerning the spline from the DXF file?
Thanks
-----------------------
o.bentoumi@type3.com
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02-24-2008, 6:30
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Qasem Lubani
Joined on 08-13-2006
Posts 1,090
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Re: VECTORSPLINE not well imported with LeadTools Vector
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I have tested the
issue here and I have reported it under incident number 6713AMN to be investigated
by out engineers. If you would like to ask about the status in the future
please refer to the incident number, I will also notify you as soon as our
engineers address the issue.
Qasem Al-Lubani
LEAD Technical Support
www.leadtools.com
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