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

3.11.3

License

GPL (>= 2)

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Repository

https://github.com/nplatonov/ursa

Maintainer

Nikita G. Platonov

Last Published

February 18th, 2025

Functions in ursa (3.11.3)

Low-pass spatial filter for image.

Extract certain statistics of each band.

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

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

Computes statistics for each band of raster.

Median spatial filter for image

Get indices for partial image reading/writing

Coordinate Reference System (CRS) for raster images.

Extremal spatial filter for image

Custom spatial filtering for image

global operator

Extract certains statistics for whole image

Color Tables of raster images.

Frequency of unique values

Zonal statistics for raster maps

Connection of raster objects.

Spatial parameters of raster images.

Rasterization of point data into grid cells

Definition of ursaRaster class.

assign values to the portion of raster images

Combine bands into raster brick.

Close connections for files with data

Convert raster image to a data frame

Extract portion of raster images

Convert raster image to a matrix

Get number of bands of raster image.

Group Generic Functions for raster image

Export raster object to multidimensional array

Band names for raster image.

Transform values to type integer

Some generic functions for ursaRaster class.

Finish plotting

Simple display of raster images

Plot colorbars or marginal texts.

Export raster object to a colored representation.

Organize multi-panel layout with images and color bars.

Histogram of raster image

Replicate bands of raster image.

Sequence Generation for raster image and coordinate grid

Plot raster images and decorations on the multipanel layout.

Start displaying

Drop bands which don't have data.

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

‘No data’ values for raster images.

Sort multiband raster by band names.

Create ENVI or GDAL files on disk

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

List of raster images.

Dimension of multiband raster image

Values of raster images.

Summary of raster image.

Write marginal text

Write raster image to GDAL file(s)

Generate "cubehelix" palette.

Coercion to package 'raster' objects

Extract first and last bands of raster image

Reduce and restore dimenstions for sparse data matrix

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

Add raster to the image panel

Create color table

Read GDAL supported raster files.

Read ENVI .hdr Labelled Raster file to memory

Add scale bar to the image panel

Destroy color table for raster images.

Raster coercion to `stars`

Wrapper functions for writing spatial objects.

panel_annotation

Add label or annotation to the image panel.

Plot layout of images and color bars.

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

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

Plot raster image(s) in the PNG format.

ENVI File Manipulation

Write raster image to ENVI .hdr Labelled Raster file.

Add auxiliary elements to the plotting panel.

temporal_interpolate

Fill gaps across bands using moving mean window

panel_graticule

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

Raster to vector (polygon) conversion.

Align caption position for legend

Reclassify specific values of image

legend_colorbar

ursaProgressBar

Wrapper to WhiteboxTools

Get value and coordinates from location

Change raster image resolution and extent

Extract and assign ‘nodata’ value of raster images.

panel_coastline

Add coastline to the image panel.

Add colored contour to the image panel

Start plotting on the new image panel

Add graphical elements to the image panel

Generate raster image for examples.

spatial_levelsplit

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

Shaded overlay by image mask

Extract and assign spatial parameters of raster images.

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

Smooth value across bands using moving mean window

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

Get and set properties of raster image.

Create segmented line from points' sequence

Create raster image from R objects or GDAL raster files.

Wrapper functions for manipulation with non-raster spatial objects

Does any band contain no information?

Wrapper functions for reading spatial objects.

Cache management of ursa package

Crop 'no data' margins.

Print metadata for raster image.

Extract and assign projection of raster images.

Create raster image in memory