Function reference • gdalraster

Package overview

gdalraster gdalraster-package: Bindings to the GDAL Raster API

Exposed C++ classes

CmbTable-class Rcpp_CmbTable Rcpp_CmbTable-class CmbTable: Class for counting unique combinations of integers

GDALRaster-class Rcpp_GDALRaster Rcpp_GDALRaster-class GDALRaster: Class encapsulating a raster dataset and its associated raster bands

RunningStats-class Rcpp_RunningStats Rcpp_RunningStats-class RunningStats: Class to calculate mean and variance in one pass

Stand-alone functions

Raster creation

create(): Create a new uninitialized raster

createCopy(): Create a copy of a raster

getCreationOptions(): Return the list of creation options of a GDAL driver

rasterFromRaster(): Create a raster from an existing raster as template

translate(): Convert raster data between different formats

Virtual raster

buildVRT(): Build a GDAL virtual raster from a list of datasets

rasterToVRT(): Create a GDAL virtual raster derived from one source dataset

Reproject/crop/mosaic

warp(): Raster reprojection and mosaicing

Algorithms

calc(): Raster calculation

combine(): Raster overlay for unique combinations

dem_proc(): GDAL DEM processing

fillNodata(): Fill selected pixels by interpolation from surrounding areas

footprint(): Compute footprint of a raster

polygonize(): Create a polygon feature layer from raster data

rasterize(): Burn vector geometries into a raster

sieveFilter(): Remove small raster polygons

Display

plot_raster(): Display raster data

read_ds(): Convenience wrapper for GDALRaster$read()

Raster attribute tables

buildRAT(): Build a GDAL Raster Attribute Table with VALUE, COUNT

createColorRamp(): Create a color ramp

displayRAT(): Display a GDAL Raster Attribute Table

Geotransform conversion

get_pixel_line(): Raster pixel/line from geospatial x,y coordinates

inv_geotransform(): Invert geotransform

Coordinate transformation

inv_project(): Inverse project geospatial x/y coordinates to longitude/latitude

transform_xy(): Transform geospatial x/y coordinates

Spatial reference systems

epsg_to_wkt(): Convert spatial reference from EPSG code to OGC Well Known Text

srs_is_geographic(): Check if WKT definition is a geographic coordinate system

srs_is_projected(): Check if WKT definition is a projected coordinate system

srs_is_same(): Do these two spatial references describe the same system?

srs_to_wkt(): Convert spatial reference definition to OGC Well Known Text

Geometry

bbox_from_wkt(): Get the bounding box of a geometry specified in OGC WKT format

bbox_to_wkt(): Convert a bounding box to POLYGON in OGC WKT format

bbox_intersect() bbox_union(): Bounding box intersection / union

bbox_transform(): Transform a bounding box to a different projection

g_area(): Compute the area of a geometry

g_intersection() g_union() g_difference() g_sym_difference(): Binary operations on WKT geometries

g_intersects() g_disjoint() g_touches() g_contains() g_within() g_crosses() g_overlaps() g_equals(): Geometry binary predicates operating on WKT

g_buffer(): Compute buffer of a WKT geometry

g_centroid(): Compute the centroid of a geometry

g_distance(): Compute the distance between two geometries

g_is_empty(): Test if a geometry is empty

g_is_valid(): Test if a geometry is valid

g_length(): Compute the length of a geometry

g_name(): Extract the geometry type name from a WKT geometry

g_transform(): Apply a coordinate transformation to a WKT geometry

geos_version(): Get GEOS version

has_geos(): Is GEOS available?

Data management

addFilesInZip(): Create/append to a potentially Seek-Optimized ZIP file (SOZip)

bandCopyWholeRaster(): Copy a whole raster band efficiently

copyDatasetFiles(): Copy the files of a dataset

deleteDataset(): Delete named dataset

renameDataset(): Rename a dataset

OGR vector utilities

ogr2ogr(): Convert vector data between different formats

ogrinfo(): Retrieve information about a vector data source

Virtual file systems

vsi_clear_path_options(): Clear path specific configuration options

vsi_copy_file(): Copy a source file to a target filename

vsi_curl_clear_cache(): Clean cache associated with /vsicurl/ and related file systems

vsi_get_disk_free_space(): Return free disk space available on the filesystem

vsi_get_fs_options(): Return the list of options associated with a virtual file system handler

vsi_get_fs_prefixes(): Return the list of virtual file system handlers currently registered

vsi_mkdir(): Create a directory

vsi_read_dir(): Read names in a directory

vsi_rename(): Rename a file

vsi_rmdir(): Delete a directory

vsi_set_path_option(): Set a path specific option for a given path prefix

vsi_stat(): Get filesystem object info

vsi_supports_rnd_write(): Return whether the filesystem supports random write

vsi_supports_seq_write(): Return whether the filesystem supports sequential write

vsi_sync(): Synchronize a source file/directory with a target file/directory

vsi_unlink(): Delete a file

vsi_unlink_batch(): Delete several files in a batch

GDAL configuration

gdal_formats(): Retrieve information on GDAL format drivers for raster and vector

gdal_version(): Get GDAL version

get_cache_used(): Get the size of memory in use by the GDAL block cache

get_config_option(): Get GDAL configuration option

set_config_option(): Set GDAL configuration option

push_error_handler(): Push a new GDAL CPLError handler

pop_error_handler(): Pop error handler off stack

PROJ configuration

proj_networking(): Check, enable or disable PROJ networking capabilities

proj_search_paths(): Get or set search path(s) for PROJ resource files

proj_version(): Get PROJ version

Lookups

DEFAULT_DEM_PROC: List of default DEM processing options

DEFAULT_NODATA: List of default nodata values by raster data type