proj_create: Create PROJ objects

In paleolimbot/rlibproj: Generic Coordinate Transformation Library ('PROJ') R API

Description

In PROJ speak, a "proj" can be a transformation, conversion, CRS, ellipsoid, datum, or one of a few other types. The CRS and conversion types are the most common and the most useful but the other types are also occasionally returned.

Usage

proj_create(definition, ctx = proj_context())

proj_clone(pj, ctx = proj_context())

proj_get_context(pj)

proj_create_crs_to_crs(
  source_crs,
  target_crs,
  area = NULL,
  options = character(),
  ctx = proj_context()
)

proj_create_from_wkt(wkt, options = character(), ctx = proj_context())

proj_get_source_crs(pj, ctx = proj_context())

proj_get_target_crs(pj, ctx = proj_context())

proj_identify(pj, auth_name = NULL, ctx = proj_context())

proj_get_non_deprecated(pj, ctx = proj_context())

proj_normalize_for_visualization(pj, ctx = proj_context())

as_proj(x, ..., ctx = proj_context())

## S3 method for class 'rproj_proj'
as_proj(x, ..., ctx = proj_context())

## S3 method for class 'character'
as_proj(x, ..., ctx = proj_context())

Arguments

definition	A character vector definition. This can be a PROJ string, WKT, Authority:Code, or any other format PROJ understands.
ctx	A proj_context()
pj	A PROJ object or definition coerced using as_proj().
source_crs, target_crs	Source and/or target CRS definitions, coerced using as_proj().
area	A PROJ area to use when selecting the best available transformation.
options	Options for instantiating the object by name
wkt	A well-known text definition of the PROJ object.
auth_name	An authority name (e.g., "EPSG" or "OGC")
x	An object to convert to a PROJ pointer
...	Passed to S3 methods

paleolimbot/rlibproj documentation built on Jan. 21, 2022, 1:03 p.m.