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

3.11.2

License

GPL (>= 2)

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Repository

https://github.com/nplatonov/ursa

Maintainer

Nikita G. Platonov

Last Published

January 14th, 2025

Functions in ursa (3.11.2)

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

Computes statistics for each band of raster.

Low-pass spatial filter for image.

Extract certain statistics of each band.

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

global operator

Extract certains statistics for whole image

Median spatial filter for image

Custom spatial filtering for image

Extremal spatial filter for image

Connection of raster objects.

Get indices for partial image reading/writing

Rasterization of point data into grid cells

assign values to the portion of raster images

Zonal statistics for raster maps

Definition of ursaRaster class.

Color Tables of raster images.

Spatial parameters of raster images.

Extract portion of raster images

Coordinate Reference System (CRS) for raster images.

Convert raster image to a matrix

Some generic functions for ursaRaster class.

Transform values to type integer

Export raster object to a colored representation.

Close connections for files with data

Frequency of unique values

Export raster object to multidimensional array

Group Generic Functions for raster image

Convert raster image to a data frame

Combine bands into raster brick.

Band names for raster image.

Get number of bands of raster image.

Histogram of raster image

Replicate bands of raster image.

Extract first and last bands of raster image

Drop bands which don't have data.

Dimension of multiband raster image

Simple display of raster images

Sequence Generation for raster image and coordinate grid

‘No data’ values for raster images.

Plot colorbars or marginal texts.

Sort multiband raster by band names.

Reduce and restore dimenstions for sparse data matrix

Organize multi-panel layout with images and color bars.

Start displaying

Finish plotting

List of raster images.

Create color table

Summary of raster image.

Values of raster images.

Create ENVI or GDAL files on disk

Plot raster images and decorations on the multipanel layout.

Read GDAL supported raster files.

Write raster image to GDAL file(s)

Plot layout of images and color bars.

Read ENVI .hdr Labelled Raster file to memory

Generate "cubehelix" palette.

Write raster image to ENVI .hdr Labelled Raster file.

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

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

Extract and assign ‘nodata’ value of raster images.

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

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

Destroy color table for raster images.

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.

ENVI File Manipulation

Raster coercion to `stars`

panel_coastline

Add coastline to the image panel.

Align caption position for legend

panel_annotation

Add label or annotation to the image panel.

Coercion to package 'raster' objects

Write marginal text

Add auxiliary elements to the plotting panel.

panel_graticule

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

Add colored contour to the image panel

legend_colorbar

Start plotting on the new image panel

Raster to vector (polygon) conversion.

Reclassify specific values of image

Add graphical elements to the image panel

Add scale bar to the image panel

Add raster to the image panel

Shaded overlay by image mask

Change raster image resolution and extent

ursaProgressBar

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

spatial_levelsplit

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

Wrapper functions for reading spatial objects.

Wrapper functions for writing spatial objects.

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.

temporal_interpolate

Fill gaps across bands using moving mean window

Create raster image from R objects or GDAL raster files.

Create segmented line from points' sequence

Create raster image in memory

Generate raster image for examples.

Cache management of ursa package

Wrapper to WhiteboxTools

Extract and assign projection of raster images.

Print metadata for raster image.

Extract and assign spatial parameters of raster images.

Wrapper functions for manipulation with non-raster spatial objects

Does any band contain no information?

Crop 'no data' margins.