https://forums.autodesk.com/t5/objectarx-forum/find-intersection-of-3dface-acdbface-with-line-acdbline/m-p/12631816#M1033 <P>But I have once more question - how do I recognize, if the interception point lies on the 3dFace (between the bordered line) or outside? Because the AcGePlanar is infinity, is not it?</P> Mon, 11 Mar 2024 10:22:34 GMT majklha 2024-03-11T10:22:34Z https://forums.autodesk.com/t5/objectarx-forum/find-intersection-of-3dface-acdbface-with-line-acdbline/m-p/12627792#M1029 <P>A have group of 3dFaces defining some terrain surface and I need get the high in degined 2d origin. It means intersection this surface (part of surface) with vertical line gone througth this 2d point.&nbsp;</P><P>How to do it?</P> Fri, 08 Mar 2024 18:50:25 GMT https://forums.autodesk.com/t5/objectarx-forum/find-intersection-of-3dface-acdbface-with-line-acdbline/m-p/12627792#M1029 majklha 2024-03-08T18:50:25Z https://forums.autodesk.com/t5/objectarx-forum/find-intersection-of-3dface-acdbface-with-line-acdbline/m-p/12629427#M1030 <DIV id="areafixed" class="Element710"> <DIV class="Element92"> <DIV class="Element5">AcDbFace::getPlane(...) -&gt; AcGePlane</DIV> <DIV class="Element5">AcDbLine -&gt; AcGeLineSeg3d</DIV> <DIV class="Element5"> <DIV id="areafixed" class="Element710"> <DIV class="Element92"> <DIV class="Element5">AcGePlane::intersectWith with&nbsp;AcGeLineSeg3d return your point.</DIV> </DIV> </DIV> </DIV> </DIV> </DIV> Sat, 09 Mar 2024 19:51:31 GMT https://forums.autodesk.com/t5/objectarx-forum/find-intersection-of-3dface-acdbface-with-line-acdbline/m-p/12629427#M1030 Alexander.Rivilis 2024-03-09T19:51:31Z https://forums.autodesk.com/t5/objectarx-forum/find-intersection-of-3dface-acdbface-with-line-acdbline/m-p/12631752#M1031 <P>So, instead AcGeLineSeg3d I can use AcGeLine3d. Thanks.</P> Mon, 11 Mar 2024 09:54:13 GMT https://forums.autodesk.com/t5/objectarx-forum/find-intersection-of-3dface-acdbface-with-line-acdbline/m-p/12631752#M1031 majklha 2024-03-11T09:54:13Z https://forums.autodesk.com/t5/objectarx-forum/find-intersection-of-3dface-acdbface-with-line-acdbline/m-p/12631771#M1032 <BLOCKQUOTE><HR /><a href="https://forums.autodesk.com/t5/user/viewprofilepage/user-id/496799">@majklha</a>&nbsp;wrote:<BR /> <P>So, instead AcGeLineSeg3d I can use AcGeLine3d. Thanks.</P> <HR /></BLOCKQUOTE> <P>Yes. You can use AcGeLine3d as infinitive line.</P> Mon, 11 Mar 2024 09:55:47 GMT https://forums.autodesk.com/t5/objectarx-forum/find-intersection-of-3dface-acdbface-with-line-acdbline/m-p/12631771#M1032 Alexander.Rivilis 2024-03-11T09:55:47Z https://forums.autodesk.com/t5/objectarx-forum/find-intersection-of-3dface-acdbface-with-line-acdbline/m-p/12631816#M1033 <P>But I have once more question - how do I recognize, if the interception point lies on the 3dFace (between the bordered line) or outside? Because the AcGePlanar is infinity, is not it?</P> Mon, 11 Mar 2024 10:22:34 GMT https://forums.autodesk.com/t5/objectarx-forum/find-intersection-of-3dface-acdbface-with-line-acdbline/m-p/12631816#M1033 majklha 2024-03-11T10:22:34Z https://forums.autodesk.com/t5/objectarx-forum/find-intersection-of-3dface-acdbface-with-line-acdbline/m-p/12675833#M1034 <P>maybe you use AcGeBoundedPlane</P> Sat, 30 Mar 2024 09:29:19 GMT https://forums.autodesk.com/t5/objectarx-forum/find-intersection-of-3dface-acdbface-with-line-acdbline/m-p/12675833#M1034 ynapeu 2024-03-30T09:29:19Z https://forums.autodesk.com/t5/objectarx-forum/find-intersection-of-3dface-acdbface-with-line-acdbline/m-p/12676507#M1035 Great advice. Sat, 30 Mar 2024 21:07:45 GMT https://forums.autodesk.com/t5/objectarx-forum/find-intersection-of-3dface-acdbface-with-line-acdbline/m-p/12676507#M1035 majklha 2024-03-30T21:07:45Z https://forums.autodesk.com/t5/objectarx-forum/find-intersection-of-3dface-acdbface-with-line-acdbline/m-p/12723649#M1036 <P>I have found problem with AcGeBoundedPlane. It is bordered only from two sides, third is infinity. What should I do with it?</P> Sun, 21 Apr 2024 20:09:17 GMT https://forums.autodesk.com/t5/objectarx-forum/find-intersection-of-3dface-acdbface-with-line-acdbline/m-p/12723649#M1036 majklha 2024-04-21T20:09:17Z https://forums.autodesk.com/t5/objectarx-forum/find-intersection-of-3dface-acdbface-with-line-acdbline/m-p/12731484#M1037 <P>Maybe you create 2 BoundedPlane if the intersection Point lays on the 2 boundedplanes you get the intersection point.</P><P>|----------&nbsp; &nbsp; &nbsp;Boundedplane 1&nbsp; &nbsp; &nbsp;Boundedplane 2 |</P><P>|&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;|</P><P>|&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ---------|</P> Wed, 24 Apr 2024 18:58:25 GMT https://forums.autodesk.com/t5/objectarx-forum/find-intersection-of-3dface-acdbface-with-line-acdbline/m-p/12731484#M1037 ynapeu 2024-04-24T18:58:25Z