https://community.graphisoft.com/t5/Archicad-C-API/So-what-does-polygon-mean/m-p/401420#M8669 <P>The open polyline online works if you are creating a <A href="https://archicadapi.graphisoft.com/documentation/api_polylinetype" target="_self">API_PolyLineType Element</A>.<BR />Other element types with polygon information can only have closed polygons.</P> Sun, 08 Oct 2023 06:59:31 GMT BerndSchwarzenbacher 2023-10-08T06:59:31Z https://community.graphisoft.com/t5/Archicad-C-API/So-what-does-polygon-mean/m-p/401407#M8668 <P>&nbsp;</P> <P><A href="https://archicadapi.graphisoft.com/documentation/api_polygon" target="_blank" rel="noopener">API_Polygon | ARCHICAD API (graphisoft.com)</A></P> <UL> <LI>the first coordinate of the array is not used; must be initialized to (0.0, 0.0) for polygons, and to (-1.0, 0.0) for polylines,</LI> </UL> <P>Q1. I'm curious what the polygons here mean.<BR />At first I thought you meant a closed polyline.<BR />However, even if initialized to -1.0,0, the polyline was closed.<BR />So what does polygon mean?</P> Mon, 16 Sep 2024 12:54:53 GMT https://community.graphisoft.com/t5/Archicad-C-API/So-what-does-polygon-mean/m-p/401407#M8668 LeeJaeYoung 2024-09-16T12:54:53Z https://community.graphisoft.com/t5/Archicad-C-API/So-what-does-polygon-mean/m-p/401420#M8669 <P>The open polyline online works if you are creating a <A href="https://archicadapi.graphisoft.com/documentation/api_polylinetype" target="_self">API_PolyLineType Element</A>.<BR />Other element types with polygon information can only have closed polygons.</P> Sun, 08 Oct 2023 06:59:31 GMT https://community.graphisoft.com/t5/Archicad-C-API/So-what-does-polygon-mean/m-p/401420#M8669 BerndSchwarzenbacher 2023-10-08T06:59:31Z