https://community.graphisoft.com/t5/Archicad-C-API/Curtain-Wall-polygon-on-AC23-bug/m-p/291796#M2715 <DIV class="actalk-migrated-content">I created an add-on on AC22 that will generate elevation marker in "front" of a curtain wall.<BR /><BR />When I migrated the add-on (and the model) to AC23, I noticed that <STRONG>SOME</STRONG> of the created elevation marker are not in "front" of the curtain walls.<BR /><BR />When I checked the data, I found that some of curtain wall have their polygon (API_Memo.coords) already in project coordinate. But the tranmat (API_CurtainWallType.planeMatrix) is still the same as those on AC22.<BR /><BR />In the attached image, oPoly is the curtain wall polygon (first two coordinate), elevBeg and elevEnd are the transformed coordinate (using the tranmat) of the polygon to be used on elevation marker.</DIV> Thu, 06 Oct 2022 11:20:19 GMT ReignBough 2022-10-06T11:20:19Z https://community.graphisoft.com/t5/Archicad-C-API/Curtain-Wall-polygon-on-AC23-bug/m-p/291796#M2715 <DIV class="actalk-migrated-content">I created an add-on on AC22 that will generate elevation marker in "front" of a curtain wall.<BR /><BR />When I migrated the add-on (and the model) to AC23, I noticed that <STRONG>SOME</STRONG> of the created elevation marker are not in "front" of the curtain walls.<BR /><BR />When I checked the data, I found that some of curtain wall have their polygon (API_Memo.coords) already in project coordinate. But the tranmat (API_CurtainWallType.planeMatrix) is still the same as those on AC22.<BR /><BR />In the attached image, oPoly is the curtain wall polygon (first two coordinate), elevBeg and elevEnd are the transformed coordinate (using the tranmat) of the polygon to be used on elevation marker.</DIV> Thu, 06 Oct 2022 11:20:19 GMT https://community.graphisoft.com/t5/Archicad-C-API/Curtain-Wall-polygon-on-AC23-bug/m-p/291796#M2715 ReignBough 2022-10-06T11:20:19Z https://community.graphisoft.com/t5/Archicad-C-API/Curtain-Wall-polygon-on-AC23-bug/m-p/291797#M2716 Hello,<BR /> <BR /> this seems weird. Do you notice something common in these curtain walls? Can you show us a plan where this happens?<BR /> <BR /> Thank you. Thu, 02 Apr 2020 11:52:36 GMT https://community.graphisoft.com/t5/Archicad-C-API/Curtain-Wall-polygon-on-AC23-bug/m-p/291797#M2716 Mihaly Palenik 2020-04-02T11:52:36Z