fm_lattice_Nd: Lattice grids for N dimensions

In fmesher: Triangle Meshes and Related Geometry Tools

Lattice grids for N dimensions

Description

Construct an N-dimensional lattice grid

Usage

fm_lattice_Nd(x = NULL, ...)

## S3 method for class 'matrix'
fm_lattice_Nd(x = NULL, dims = NULL, values = NULL, ...)

## S3 method for class 'data.frame'
fm_lattice_Nd(x = NULL, ...)

## S3 method for class 'list'
fm_lattice_Nd(x = NULL, dims = NULL, ...)

## S3 method for class 'fm_bbox'
fm_lattice_Nd(x = NULL, dims = NULL, ...)

## S3 method for class ''NULL''
fm_lattice_Nd(x = NULL, ..., dims = NULL)

Arguments

x	list, data.frame, matrix, fm_bbox or NULL. If a list of vectors, as.matrix(expand.grid(x)) is used to create a full grid coordinates. data.frame and matrix input is assumed to follow the same ordering convention as the output of expand.grid(). of length N of vectors or grid matrices of coordinate values. List vector values are sorted before use.
...	Passed on to submethods
dims	numeric; the size of the grid of dimension length(dims)
values	list of grid axis values

Value

An fm_lattice_Nd object with elements

dims

integer vector

values

the grid coordinate axis values

loc

matrix of constructed grid coordinates

Methods (by class)

• fm_lattice_Nd(`NULL`): Ignores the NULL x and creates a lattice based on values (if non-NULL) and dims unit hypercube lattice grid with dims dimensions.

Author(s)

Finn Lindgren [e-mail]

See Also

fm_mesh_3d()

Other object creation and conversion: fm_as_fm(), fm_as_lattice_2d(), fm_as_lattice_Nd(), fm_as_mesh_1d(), fm_as_mesh_2d(), fm_as_mesh_3d(), fm_as_segm(), fm_as_sfc(), fm_as_tensor(), fm_lattice_2d(), fm_mesh_1d(), fm_mesh_2d(), fm_segm(), fm_simplify(), fm_tensor()

Examples

(lattice <- fm_lattice_Nd(
  list(
    seq(0, 1, length.out = 3),
    seq(0, 1, length.out = 4),
    seq(0, 1, length.out = 2)
  )
))

if (requireNamespace("geometry", quietly = TRUE)) {
  (mesh <- fm_delaunay_3d(lattice$loc))
}

fmesher documentation built on April 3, 2025, 7:45 p.m.