https://community.graphisoft.com/t5/Archicad-C-API/How-to-get-vertex-normal/m-p/260790#M2965 Try using ModelerAPI::Polygon::GetNormalVectorByVertex Tue, 14 Jul 2020 10:23:52 GMT Ralph Wessel 2020-07-14T10:23:52Z https://community.graphisoft.com/t5/Archicad-C-API/How-to-get-vertex-normal/m-p/260789#M2964 <DIV class="actalk-migrated-content">Hi guys,<BR /><BR />I was wondering if there was an API for developer to get the vertex normals rather than the polygon normals?</DIV> Wed, 15 Sep 2021 09:58:02 GMT https://community.graphisoft.com/t5/Archicad-C-API/How-to-get-vertex-normal/m-p/260789#M2964 Anonymous 2021-09-15T09:58:02Z https://community.graphisoft.com/t5/Archicad-C-API/How-to-get-vertex-normal/m-p/260790#M2965 Try using ModelerAPI::Polygon::GetNormalVectorByVertex Tue, 14 Jul 2020 10:23:52 GMT https://community.graphisoft.com/t5/Archicad-C-API/How-to-get-vertex-normal/m-p/260790#M2965 Ralph Wessel 2020-07-14T10:23:52Z https://community.graphisoft.com/t5/Archicad-C-API/How-to-get-vertex-normal/m-p/260791#M2966 <BLOCKQUOTE>Ralph wrote:<BR /> Try using ModelerAPI::Polygon::GetNormalVectorByVertex </BLOCKQUOTE> Thank you. I'll try it. Tue, 14 Jul 2020 12:51:49 GMT https://community.graphisoft.com/t5/Archicad-C-API/How-to-get-vertex-normal/m-p/260791#M2966 Anonymous 2020-07-14T12:51:49Z