inla.mesh.boundary {INLA} | R Documentation

## Constraint segment extraction for inla.mesh

### Description

since `⁠23.08.18⁠`. Use `fmesher::fm_segm()` instead.

Constructs an list of `inla.mesh.segment` object from boundary or interior constraint information in an `inla.mesh()` object.

### Usage

    inla.mesh.boundary(mesh, grp = NULL)

    inla.mesh.interior(mesh, grp = NULL)

### Arguments

`mesh` | An `inla.mesh` object.
`grp` | Group indices to extract. If `NULL`, all boundary/interior constrain groups are extracted.

### Value

A list of `inla.mesh.segment` objects.

### Author(s)

Finn Lindgren finn.lindgren@gmail.com

### See Also

`inla.mesh.segment()`, `inla.mesh.create()`, `inla.mesh.create.helper()`

### Examples

    loc <- matrix(runif(100 * 2) * 1000, 100, 2)
    mesh <- fmesher::fm_mesh_2d_inla(loc.domain = loc, max.edge = c(50, 500))
    boundary <- inla.mesh.boundary(mesh)
    interior <- inla.mesh.interior(mesh)

[Package INLA version 26.02.05 Index]