fm_split_lines {fmesher} | R Documentation |
Split lines at triangle edges
Description
Compute intersections between line segments and triangle edges, and filter out segment of length zero.
Usage
fm_split_lines(mesh, ...)
## S3 method for class 'fm_mesh_2d'
fm_split_lines(mesh, segm, ...)
## S3 method for class 'inla.mesh'
fm_split_lines(mesh, ...)
Arguments
mesh |
An |
... |
Unused. |
segm |
An |
Value
An fm_segm()
object with the same crs as the mesh,
with an added field origin
, that for each new segment gives the
originator index into to original segm
object for each new line segment.
Author(s)
Finn Lindgren finn.lindgren@gmail.com
Examples
mesh <- fm_mesh_2d(
boundary = fm_segm(rbind(c(0, 0), c(1, 0), c(1, 1), c(0, 1)), is.bnd = TRUE)
)
splitter <- fm_segm(rbind(c(0.8, 0.2), c(0.2, 0.8)))
segm_split <- fm_split_lines(mesh, splitter)
plot(mesh)
lines(splitter)
points(segm_split$loc)
[Package fmesher version 0.1.7 Index]