https://community.graphisoft.com/t5/Archicad-C-API/Some-doubts-in-Example-3D-Test/m-p/663466#M10388 <P>Hi,everyone:</P> <P>&nbsp; I am trying to export geometry, so I plan to refer to Example 3D_Test（Examples\3D_Test\Src\3D_Test.c）。</P> <P>&nbsp; But I have a few doubts after reading the code:</P> <P>&nbsp; &nbsp; &nbsp;&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="sxs_0-1747994068979.png" style="width: 400px;"><img src="https://community.graphisoft.com/t5/image/serverpage/image-id/87194i53A9413B9A18B84A/image-size/medium?v=v2&amp;px=400" role="button" title="sxs_0-1747994068979.png" alt="sxs_0-1747994068979.png" /></span></P> <P>&nbsp;</P> <P>&nbsp; &nbsp; 1. I know you want to transform&nbsp;a vertex to a&nbsp;Local coordinate system, but during the Enumerate, the conts[0][0] will change. Can this code achieve its purpose?</P> <P>&nbsp;</P> <P>&nbsp; &nbsp; &nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="sxs_1-1747994296681.png" style="width: 639px;"><img src="https://community.graphisoft.com/t5/image/serverpage/image-id/87195iC51467C5A44E45A6/image-dimensions/639x492?v=v2" width="639" height="492" role="button" title="sxs_1-1747994296681.png" alt="sxs_1-1747994296681.png" /></span></P> <P>&nbsp; 2, if&nbsp;nConts == 1 (this should mean polygon has no hole?), and&nbsp;how should I handle this situation?</P> <P>&nbsp;</P> Fri, 23 May 2025 19:37:49 GMT sxs 2025-05-23T19:37:49Z https://community.graphisoft.com/t5/Archicad-C-API/Some-doubts-in-Example-3D-Test/m-p/663466#M10388 <P>Hi,everyone:</P> <P>&nbsp; I am trying to export geometry, so I plan to refer to Example 3D_Test（Examples\3D_Test\Src\3D_Test.c）。</P> <P>&nbsp; But I have a few doubts after reading the code:</P> <P>&nbsp; &nbsp; &nbsp;&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="sxs_0-1747994068979.png" style="width: 400px;"><img src="https://community.graphisoft.com/t5/image/serverpage/image-id/87194i53A9413B9A18B84A/image-size/medium?v=v2&amp;px=400" role="button" title="sxs_0-1747994068979.png" alt="sxs_0-1747994068979.png" /></span></P> <P>&nbsp;</P> <P>&nbsp; &nbsp; 1. I know you want to transform&nbsp;a vertex to a&nbsp;Local coordinate system, but during the Enumerate, the conts[0][0] will change. Can this code achieve its purpose?</P> <P>&nbsp;</P> <P>&nbsp; &nbsp; &nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="sxs_1-1747994296681.png" style="width: 639px;"><img src="https://community.graphisoft.com/t5/image/serverpage/image-id/87195iC51467C5A44E45A6/image-dimensions/639x492?v=v2" width="639" height="492" role="button" title="sxs_1-1747994296681.png" alt="sxs_1-1747994296681.png" /></span></P> <P>&nbsp; 2, if&nbsp;nConts == 1 (this should mean polygon has no hole?), and&nbsp;how should I handle this situation?</P> <P>&nbsp;</P> Fri, 23 May 2025 19:37:49 GMT https://community.graphisoft.com/t5/Archicad-C-API/Some-doubts-in-Example-3D-Test/m-p/663466#M10388 sxs 2025-05-23T19:37:49Z https://community.graphisoft.com/t5/Archicad-C-API/Some-doubts-in-Example-3D-Test/m-p/663471#M10389 <P>this code is in&nbsp;DumpBody.</P> Fri, 23 May 2025 10:13:15 GMT https://community.graphisoft.com/t5/Archicad-C-API/Some-doubts-in-Example-3D-Test/m-p/663471#M10389 sxs 2025-05-23T10:13:15Z https://community.graphisoft.com/t5/Archicad-C-API/Some-doubts-in-Example-3D-Test/m-p/664679#M10430 <P>"if(nConts &gt; 1)" change to&nbsp;"if(nConts &gt;= 1)"</P> Wed, 04 Jun 2025 10:19:47 GMT https://community.graphisoft.com/t5/Archicad-C-API/Some-doubts-in-Example-3D-Test/m-p/664679#M10430 sxs 2025-06-04T10:19:47Z