inla.fmesher.smorg.RdLow level function for computing finite element matrices, spherical harmonics, B-splines, and point mappings with barycentric triangle coordinates.
inla.fmesher.smorg(loc, tv,
fem = NULL, aniso = NULL,
gradients = FALSE,
sph0 = NULL, sph = NULL, bspline = NULL,
points2mesh = NULL,
splitlines = NULL,
output = NULL,
keep = FALSE)3-column triangle vertex coordinate matrix.
3-column triangle vertex index matrix.
Maximum finite element matrix order to be computed.
A two-element list with \(\gamma\) and \(v\) for an anisotropic operator \(\nabla\cdot H \nabla\), where \(H=\gamma I + v v^\top\)
When TRUE, calculate derivative operator matrices dx,
dy, and dz.
Maximal order of rotationally invariant spherical harmonics.
Maximal order of general spherical harmonics.
Rotationally invariant B-splines on a sphere.
3-vector with number of basis functions n, basis degree
degree, and a logical; TRUE uniform knot angles,
FALSE for uniform spacing in \(\sin(latitude)\).
3-column matrix with points to be located in the mesh.
A list with elements loc (3-column coordinate matrix) and
idx (2-column index matrix) describing line segments that are
to be split into sub-segments at triangle boundaries.
Names of objects to be included in the output, if different from defaults.
When TRUE, for debugging purposes keep the fmesher I/O
files on disk.
A list of generated named quantities.