gpkg_create_empty_grid: Create an empty grid table

In gpkg: Utilities for the Open Geospatial Consortium 'GeoPackage' Format

Create an empty grid table

Description

Create an empty grid table and associated entries for gpkg_spatial_ref_sys, gpkg_2d_gridded_coverage_ancillary, and gpkg_2d_gridded_tile_ancillary.

Usage

gpkg_create_empty_grid(
  x,
  tile_matrix_set_name,
  datatype = "integer",
  scale = 1,
  offset = 0,
  precision = 1,
  data_null = NULL,
  grid_cell_encoding = "grid-value-is-center",
  uom = NULL,
  field_name = "Height",
  quantity_definition = "Height",
  srs_id = 4326,
  contents = TRUE,
  description = "",
  ext = c(-180, -90, 180, 90)
)

Arguments

x	A geopackage object
tile_matrix_set_name	character. New table name.
datatype	character. Either "integer" (default) or "float".
scale	numeric. Default: 1.0
offset	numeric. Default: 0.0
precision	numeric. Default: 1.0
data_null	numeric. Default: NULL
grid_cell_encoding	character Default: "grid-value-is-center"
uom	character. Unit of measure. Default: NULL
field_name	character. Default: "Height".
quantity_definition	character. Default: "Height"
srs_id	integer. Spatial Reference System ID. Must be defined in gpkg_spatial_ref_sys table. Default: 4326
contents	logical. Include entry in gpkg_contents? Default: TRUE
description	character. Description for gpkg_contents. Default: ""
ext	numeric. Length 4. Extent (c(xmin, ymin, xmax, ymax)) for gpkg_contents. Default: c(-180, -90, 180, 90)

Value

integer

gpkg documentation built on April 3, 2025, 8:55 p.m.