ursa package - RDocumentation

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ursa

Actual sources are at https://github.com/nplatonov/ursa

Deprecated: binary at https://r-forge.r-project.org/projects/ursa from near real-time version

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Version

Install

install.packages('ursa')

Monthly Downloads

243

Version

3.11.5

License

GPL (>= 2)

Issues

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Stars

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Repository

https://github.com/nplatonov/ursa

Maintainer

Nikita G. Platonov

Last Published

December 19th, 2025

Functions in ursa (3.11.5)

Zonal statistics for raster maps

Extract portion of raster images

Rasterization of point data into grid cells

Color Tables of raster images.

Definition of ursaRaster class.

Connection of raster objects.

Get indices for partial image reading/writing

assign values to the portion of raster images

Spatial parameters of raster images.

Transform values to type integer

Coordinate Reference System (CRS) for raster images.

Frequency of unique values

Group Generic Functions for raster image

Convert raster image to a data frame

Export raster object to a colored representation.

Convert raster image to a matrix

Some generic functions for ursaRaster class.

Band names for raster image.

Close connections for files with data

Replicate bands of raster image.

Sequence Generation for raster image and coordinate grid

Export raster object to multidimensional array

‘No data’ values for raster images.

Combine bands into raster brick.

Histogram of raster image

Dimension of multiband raster image

Extract first and last bands of raster image

Simple display of raster images

Finish plotting

Organize multi-panel layout with images and color bars.

Get number of bands of raster image.

Create color table

Reduce and restore dimenstions for sparse data matrix

Drop bands which don't have data.

Sort multiband raster by band names.

Summary of raster image.

Plot colorbars or marginal texts.

Start displaying

List of raster images.

Values of raster images.

Read ENVI .hdr Labelled Raster file to memory

Write raster image to GDAL file(s)

Generate "cubehelix" palette.

Create ENVI or GDAL files on disk

Plot multi-band heterogenous raster images in the PNG format.

Read GDAL supported raster files.

Write raster image to ENVI .hdr Labelled Raster file.

ENVI File Manipulation

Plot multi-band homogenous raster image in the PNG format.

Plot RGB (RGBA) color composition in the PNG format.

Destroy color table for raster images.

Plot raster image(s) in the PNG format.

Plot raster images and decorations on the multipanel layout.

Retrive data from Global Imagery Browse Services (GIBS) using API for Developers

Plot layout of images and color bars.

Get value and coordinates from location

Extract and assign ‘nodata’ value of raster images.

Command line utility for spatial view of raster or vector GIS file.

Coercion to package 'raster' objects

Write marginal text

Raster coercion to `stars`

panel_annotation

Add label or annotation to the image panel.

Add auxiliary elements to the plotting panel.

Align caption position for legend

panel_graticule

Add latitude/longitude or metric grid to the image panel.

Start plotting on the new image panel

Add raster to the image panel

Reclassify specific values of image

Raster to vector (polygon) conversion.

legend_colorbar

panel_coastline

Add coastline to the image panel.

The actual size of each grid cell with considerable distortion in area of map projection.

Shaded overlay by image mask

Add colored contour to the image panel

Change raster image resolution and extent

Add scale bar to the image panel

Get and set properties of raster image.

Create raster image from R objects or GDAL raster files.

Smooth value across bands using moving mean window

Create segmented line from points' sequence

Wrapper functions for writing spatial objects.

spatial_levelsplit

Drops spatial object with overlapped geometry to spatial object with non-overlapped geometry.

Wrapper functions for reading spatial objects.

Add graphical elements to the image panel

temporal_interpolate

Fill gaps across bands using moving mean window

ursaProgressBar

Raster value matching

Extract and assign spatial parameters of raster images.

Generate raster image for examples.

Print metadata for raster image.

Cache management of ursa package

Does any band contain no information?

Wrapper functions for manipulation with non-raster spatial objects

Get and set sessional parameters for grid, CRS, external software for open PNG files.

Crop 'no data' margins.

Extract and assign projection of raster images.

Create raster image in memory

Wrapper to WhiteboxTools

Computes statistics for each band of raster.

Median spatial filter for image

Extremal spatial filter for image

Low-pass spatial filter for image.

Bundle of statistics, which is applied to each cell of multi-band image.

Extract certain statistics of each band.

Create single-band raster using statistics of multi-bands raster.

Custom spatial filtering for image

global operator

Extract certains statistics for whole image