View source: R/write_fs_surface.R
write.fs.surface.byu | R Documentation |
Write mesh to file in BYU ASCII format.
write.fs.surface.byu(filepath, vertex_coords, faces)
filepath |
string. Full path to the output surface file, should end with '.byu', but that is not enforced. |
vertex_coords |
n x 3 matrix of doubles. Each row defined the x,y,z coords for a vertex. |
faces |
n x 3 matrix of integers. Each row defined the 3 vertex indices that make up the face. WARNING: Vertex indices should be given in R-style, i.e., the index of the first vertex is 1. However, they will be written in FreeSurfer style, i.e., all indices will have 1 substracted, so that the index of the first vertex will be zero. |
string the format that was written. One of "tris" or "quads". Currently only triangular meshes are supported, so always 'tris'.
This is a fixed field length ASCII format. Keep in mind that the BYU format expects the coordinates to be in the cube -1 to +1 on all three axes.
Other mesh functions:
faces.quad.to.tris()
,
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.fs.surface()
,
read.mesh.brainvoyager()
,
read_nisurfacefile()
,
read_nisurface()
,
write.fs.surface.asc()
,
write.fs.surface.gii()
,
write.fs.surface.mz3()
,
write.fs.surface.vtk()
,
write.fs.surface()
## Not run:
# Read a surface from a file:
surface_file = system.file("extdata", "lh.tinysurface",
package = "freesurferformats", mustWork = TRUE);
mesh = read.fs.surface(surface_file);
# Now save it:
write.fs.surface.byu(tempfile(fileext=".byu"), mesh$vertices, mesh$faces);
## End(Not run)
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