inla.mesh.query {INLA} | R Documentation

## High-quality triangulations

### Description

Query information about an inla.mesh object.

### Usage

    inla.mesh.query(mesh, ...)

### Arguments

`mesh` | An `inla.mesh` object.
`...` | Query arguments. tt.neighbours Compute neighbour triangles for triangles; list of vectors: list(triangles, orders) vt.neighbours Compute neighbour triangles for vertices; list of vectors: list(vertices, orders)

### Value

A list of query results.

### Author(s)

Finn Lindgren finn.lindgren@gmail.com

### See Also

`inla.mesh.create`, `inla.mesh.segment`, `inla.mesh.lattice`

### Examples

    loc = matrix(c(0.1,0.15),1,2)
    lattice = inla.mesh.lattice(dims=c(10,10))
    mesh = inla.mesh.create(loc=loc, lattice=lattice, extend=FALSE)

    vt = which(inla.mesh.query(mesh,
                               vt.neighbours=list(mesh$idx$loc,
                                                  4:6))$vt.neighbours)

    mesh2 = inla.mesh.create(mesh$loc, tv=mesh$graph$tv[vt,,drop=FALSE],
                             refine=FALSE, extend=FALSE)

[Package INLA version 18.07.12 Index]