Description Usage Arguments Value Author(s) See Also Examples
Create a triangle mesh based on initial point locations, specified or automatic boundaries, and mesh quality parameters.
1 2 3 4 5 6 7 8 9 10 |
loc |
Matrix of point locations to be used as initial triangulation nodes. |
loc.domain |
Matrix of point locations used to determine the domain extent. |
offset |
The automatic extension distance. One or two values, for an inner and an optional outer extension. If negative, interpreted as a factor relative to the approximate data diameter (default=-0.10???) |
n |
The number of initial nodes in the automatic extensions (default=16) |
boundary |
A list of one or two |
interior |
An |
max.edge |
The largest allowed triangle edge length. One or two values. |
min.angle |
The smallest allowed triangle angle. One or two values. (Default=21) |
cutoff |
The minimum allowed distance between points. Point at most as far apart as this are replaced by a single vertex prior to the mesh refinement step. |
plot.delay |
On Linux (and Mac if appropriate X11 libraries are installed),
specifying a nonnegative numeric value activates a rudimentary
plotting system in the underlying On all systems, specifying any negative value activates displaying the result after each step of the multi-step domain extension algorithm. |
An inla.mesh
object.
Finn Lindgren finn.lindgren@gmail.com
inla.mesh.create
,
inla.delaunay
1 2 3 4 5 6 7 | loc = matrix(runif(10*2),10,2)
mesh = inla.mesh.2d(loc,
boundary=list(inla.nonconvex.hull(loc, 0.1, 0.15),
inla.nonconvex.hull(loc, 0.2, 0.2)),
max.edge=c(0.05, 0.1))
plot(mesh)
|
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