faces.quad.to.tris: Convert quadrangular faces or polygons to triangular ones.

In freesurferformats: Read and Write 'FreeSurfer' Neuroimaging File Formats

Convert quadrangular faces or polygons to triangular ones.

Description

Convert quadrangular faces or polygons to triangular ones.

Usage

faces.quad.to.tris(quad_faces)

Arguments

quad_faces

nx4 integer matrix, the indices of the vertices making up the n quad faces.

Value

2nx3 integer matrix, the indices of the vertices making up the 2n tris faces.

Note

This function does no fancy remeshing, it simply splits each quad into two triangles.

See Also

Other mesh functions: read.fs.surface(), read.fs.surface.asc(), read.fs.surface.bvsrf(), read.fs.surface.geo(), read.fs.surface.gii(), read.fs.surface.ico(), read.fs.surface.obj(), read.fs.surface.off(), read.fs.surface.ply(), read.fs.surface.vtk(), read.mesh.brainvoyager(), read_nisurface(), read_nisurfacefile(), write.fs.surface(), write.fs.surface.asc(), write.fs.surface.byu(), write.fs.surface.gii(), write.fs.surface.mz3(), write.fs.surface.vtk()

freesurferformats documentation built on Sept. 8, 2026, 5:08 p.m.