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

578

Version

3.11.4

License

GPL (>= 2)

Issues

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Repository

https://github.com/nplatonov/ursa

Maintainer

Nikita G. Platonov

Last Published

February 20th, 2025

Functions in ursa (3.11.4)

Extract certain statistics of each band.

Median spatial filter for image

Extremal spatial filter for image

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

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

Low-pass spatial filter for image.

Custom spatial filtering for image

Computes statistics for each band of raster.

global operator

Extract certains statistics for whole image

Spatial parameters of raster images.

Zonal statistics for raster maps

assign values to the portion of raster images

Extract portion of raster images

Rasterization of point data into grid cells

Get indices for partial image reading/writing

Definition of ursaRaster class.

Connection of raster objects.

Color Tables of raster images.

Coordinate Reference System (CRS) for raster images.

Export raster object to multidimensional array

Some generic functions for ursaRaster class.

Convert raster image to a data frame

Close connections for files with data

Combine bands into raster brick.

Export raster object to a colored representation.

Convert raster image to a matrix

Frequency of unique values

Group Generic Functions for raster image

Transform values to type integer

Dimension of multiband raster image

Band names for raster image.

Extract first and last bands of raster image

Get number of bands of raster image.

Simple display of raster images

Histogram of raster image

‘No data’ values for raster images.

Drop bands which don't have data.

Sequence Generation for raster image and coordinate grid

Replicate bands of raster image.

Sort multiband raster by band names.

Summary of raster image.

Start displaying

Plot colorbars or marginal texts.

Organize multi-panel layout with images and color bars.

Values of raster images.

Reduce and restore dimenstions for sparse data matrix

Create color table

List of raster images.

Finish plotting

Write raster image to GDAL file(s)

Read ENVI .hdr Labelled Raster file to memory

Write raster image to ENVI .hdr Labelled Raster file.

Plot raster images and decorations on the multipanel layout.

Create ENVI or GDAL files on disk

Read GDAL supported raster files.

Plot layout of images and color bars.

Generate "cubehelix" palette.

Destroy color table for raster images.

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

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

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

Get value and coordinates from location

Plot raster image(s) in the PNG format.

Extract and assign ‘nodata’ value of raster images.

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

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

ENVI File Manipulation

Coercion to package 'raster' objects

Write marginal text

Align caption position for legend

panel_graticule

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

Raster coercion to `stars`

Add auxiliary elements to the plotting panel.

Add colored contour to the image panel

legend_colorbar

panel_annotation

Add label or annotation to the image panel.

panel_coastline

Add coastline to the image panel.

Reclassify specific values of image

Add raster to the image panel

Start plotting on the new image panel

Add graphical elements to the image panel

Raster to vector (polygon) conversion.

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

Change raster image resolution and extent

Add scale bar to the image panel

Shaded overlay by image mask

ursaProgressBar

temporal_interpolate

Fill gaps across bands using moving mean window

Wrapper functions for writing spatial objects.

Wrapper functions for manipulation with non-raster spatial objects

Create raster image from R objects or GDAL raster files.

spatial_levelsplit

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

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

Wrapper functions for reading spatial objects.

Smooth value across bands using moving mean window

Get and set properties of raster image.

Create segmented line from points' sequence

Does any band contain no information?

Crop 'no data' margins.

Wrapper to WhiteboxTools

Cache management of ursa package

Extract and assign projection of raster images.

Print metadata for raster image.

Generate raster image for examples.

Create raster image in memory

Extract and assign spatial parameters of raster images.