Mesh2d vectors similar to SciLab

I am looking for a way, similar to the mesh2d function in SciLab, to have OpenCV determine the facets of X-Y coordinates. Are there any examples for me?

See: mesh2d - Triangulation of n points in the plane

there is a delaunay triangulation here:
https://docs.opencv.org/4.x/df/dbf/classcv_1_1Subdiv2D.html

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Thanks for this hint: OpenCV: Planar Subdivision