Conversion methods from mesh related objects to sfc

Conversion methods from mesh related objects to sfc

Usage

fm_as_sfc(x, ...)

# S3 method for class 'fm_mesh_2d'
fm_as_sfc(x, ..., format = NULL, multi = FALSE)

# S3 method for class 'fm_segm'
fm_as_sfc(x, ..., multi = FALSE)

# S3 method for class 'fm_segm_list'
fm_as_sfc(x, ...)

# S3 method for class 'sfc'
fm_as_sfc(x, ...)

# S3 method for class 'sf'
fm_as_sfc(x, ...)

Arguments

x

An object to be coerced/transformed/converted into another class

...

Arguments passed on to other methods

format

One of "mesh", "int", "bnd", or "loc". Default "mesh".

multi

logical; if TRUE, attempt to a sfc_MULTIPOLYGON/LINESTRING/POINT/GEOMETRYCOLLECTION, otherwise a set of sfc_POLYGON/LINESTRING/POINT. Default FALSE

Value

• fm_as_sfc: An sfc_MULTIPOLYGON/LINESTRING/POINT/GEOMETRYCOLLECTION or sfc_POLYGON/LINESTRING/POINT object

Methods (by class)

• fm_as_sfc(fm_mesh_2d):

• fm_as_sfc(fm_segm):

See also

Other object creation and conversion: fm_as_collect(), 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_tensor(), fm_collect(), fm_lattice_2d(), fm_lattice_Nd(), fm_mesh_1d(), fm_mesh_2d(), fm_segm(), fm_simplify(), fm_tensor()

Examples

fm_as_sfc(fmexample$mesh)
#> Geometry set for 547 features 
#> Geometry type: POLYGON
#> Dimension:     XYZ
#> Bounding box:  xmin: -5.345477 ymin: -3.997839 xmax: 4.08358 ymax: 5.415519
#> z_range:       zmin: 0 zmax: 0
#> CRS:           NA
#> First 5 geometries:
#> POLYGON Z ((0.03596474 1.965644 0, 0.1158377 1....
#> POLYGON Z ((1.504866 -0.622266 0, 1.353357 -0.8...
#> POLYGON Z ((0.7029864 -1.896195 0, 0.6649962 -1...
#> POLYGON Z ((-4.242024 -2.255549 0, -3.13738 -2....
#> POLYGON Z ((-4.321078 -0.5669298 0, -3.847328 -...
fm_as_sfc(fmexample$mesh, multi = TRUE)
#> Geometry set for 1 feature 
#> Geometry type: MULTIPOLYGON
#> Dimension:     XYZ
#> Bounding box:  xmin: -5.345477 ymin: -3.997839 xmax: 4.08358 ymax: 5.415519
#> z_range:       zmin: 0 zmax: 0
#> CRS:           NA
#> MULTIPOLYGON Z (((0.03596474 1.965644 0, 0.1158...
fm_as_sfc(fmexample$mesh, format = "loc")
#> Geometry set for 292 features 
#> Geometry type: POINT
#> Dimension:     XYZ
#> Bounding box:  xmin: -5.345477 ymin: -3.997839 xmax: 4.08358 ymax: 5.415519
#> z_range:       zmin: 0 zmax: 0
#> CRS:           NA
#> First 5 geometries:
#> POINT Z (-5.180541 -0.8956538 0)
#> POINT Z (-4.924679 -1.465076 0)
#> POINT Z (-4.644074 -1.860313 0)
#> POINT Z (-4.242024 -2.255549 0)
#> POINT Z (-3.620028 -2.650785 0)

# Boundary edge conversion to polygons is supported from version 0.4.0.9002:
fm_as_sfc(fmexample$mesh, format = "bnd")
#> Geometry set for 1 feature 
#> Geometry type: POLYGON
#> Dimension:     XYZ
#> Bounding box:  xmin: -5.345477 ymin: -3.997839 xmax: 4.08358 ymax: 5.415519
#> z_range:       zmin: 0 zmax: 0
#> CRS:           NA
#> POLYGON Z ((-5.180541 -0.8956538 0, -4.924679 -...