Creating a Textured Convex Quadrilateral via the Archicad API

Corpora Geometrica — Sun, 22 Feb 2026 10:31:36 GMT

Hi everyone,

I am looking for a minimal, practical example of how to create an API element in Archicad (such as API_HatchType, API_MeshType, or API_MorphType) that can represent a textured convex quadrilateral and is also visible on the floor plan.

The geometry is straightforward: I already know the 3D coordinates of the four vertices (all with zero z-components). The texture is provided as a PNG file, and for simplicity, the texture coordinates can be assumed to map directly to the four corners of the image.

Has anyone implemented something similar or could share a simple code example demonstrating:

how to construct such an element via the API,
how to assign the PNG texture to it.

Any guidance or sample code would be greatly appreciated.

Re: Creating a Textured Convex Quadrilateral via the Archicad API

Tamas Polyak — Wed, 22 Apr 2026 11:33:45 GMT

Hi,

I'll consult with a developer and come back to you with some ideas.

Regards,

Tamás

topic Creating a Textured Convex Quadrilateral via the Archicad API in Archicad C++ API

Creating a Textured Convex Quadrilateral via the Archicad API

Re: Creating a Textured Convex Quadrilateral via the Archicad API