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Qais AlKhazraji

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19 Jul 2011 geom3d Library to handle 3D geometric primitives: create, intersect, display, and make basic computations Author: David Legland

Dear David,
I am just start using Matlab in my research for geometrical computation. I appreciate if you would like to demonstarate how to use this library(3d or 2d) since each function I used give me syntax error about other functions as undefined. I am a biginner in Matlab and may be my question is dump question. I am very thankful.

19 Jul 2011 Binary STL file reader This binary STL file reader is much faster than the existing readers. Author: Francis Esmonde-White

Dear Francis,
I am very thankful for your replay. I am still confuse about the following points you made above:
1. Where did Lee White describe Parenting "patch objects to hgtransform objects to manipulate patches built from stls" as I do not know what he means by (hgtransform).
2.If I have assembly part contains from several parts , I am not able to create individual stl file for each part since the whole part is one piece as you know.
3.Do you have any thought how I could associate triangles with original parts that come from?
Thanks and your help is appreciated in advance.

18 Jul 2011 Binary STL file reader This binary STL file reader is much faster than the existing readers. Author: Francis Esmonde-White

Hello Francis
I am interesting in subdivide the stl file to patches in which each patch represent subpart that build an object. I am doing assembly technique where assembly part contain several parts and I draw them in SolidWorks. From my knowledge, that STL file is unorder file so that I lost tracking in stl file which data are related to which subpart. When I copy some of the stl file output and redraw them using SolidWork, I will get some parts which are not what my original parts were. I am highly appreciate your help in this issue and how can I get ordering stl file so it will reflect my exact data representation on SolidWork.

21 May 2011 geom3d Library to handle 3D geometric primitives: create, intersect, display, and make basic computations Author: David Legland

Dear David:
I read your comment for Khaled question. It is not clear to me about what you said"The best is to use 3D plane, and eventually to project all points on the plane, then to use function for 2D polygons." Which points we should project on 3D plane and from my understanding line intersect a polygon in one point.
Thank you in advance

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