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

483

Version

3.11.1

License

GPL (>= 2)

Issues

Pull Requests

Stars

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Repository

https://github.com/nplatonov/ursa

Maintainer

Nikita G. Platonov

Last Published

September 26th, 2024

Functions in ursa (3.11.1)

Low-pass spatial filter for image.

Median spatial filter for image

global operator

Extract certains statistics for whole image

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

Definition of ursaRaster class.

Rasterization of point data into grid cells

Zonal statistics for raster maps

assign values to the portion of raster images

Color Tables of raster images.

Transform values to type integer

Convert raster image to a data frame

Close connections for files with data

Get indices for partial image reading/writing

Extract certain statistics of each band.

Connection of raster objects.

Convert raster image to a matrix

Coordinate Reference System (CRS) for raster images.

Frequency of unique values

Combine bands into raster brick.

Replicate bands of raster image.

Sequence Generation for raster image and coordinate grid

Export raster object to a colored representation.

Histogram of raster image

Spatial parameters of raster images.

Get number of bands of raster image.

List of raster images.

Extract portion of raster images

Group Generic Functions for raster image

Values of raster images.

Export raster object to multidimensional array

Some generic functions for ursaRaster class.

Dimension of multiband raster image

Create color table

Reduce and restore dimenstions for sparse data matrix

Read GDAL supported raster files.

Create ENVI or GDAL files on disk

Drop bands which don't have data.

Extract first and last bands of raster image

Finish plotting

‘No data’ values for raster images.

Write raster image to ENVI .hdr Labelled Raster file.

Band names for raster image.

Simple display of raster images

Plot colorbars or marginal texts.

Get value and coordinates from location

Read ENVI .hdr Labelled Raster file to memory

Sort multiband raster by band names.

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

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

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

panel_annotation

Add label or annotation to the image panel.

Raster coercion to `stars`

Start displaying

ENVI File Manipulation

Summary of raster image.

Extract and assign ‘nodata’ value of raster images.

Align caption position for legend

Write marginal text

Plot raster images and decorations on the multipanel layout.

Coercion to package 'raster' objects

Organize multi-panel layout with images and color bars.

Plot layout of images and color bars.

Destroy color table for raster images.

legend_colorbar

Write raster image to GDAL file(s)

Plot raster image(s) in the PNG format.

Smooth value across bands using moving mean window

Shaded overlay by image mask

panel_coastline

Add coastline to the image panel.

Create segmented line from points' sequence

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

Add colored contour to the image panel

Generate "cubehelix" palette.

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

Raster to vector (polygon) conversion.

Wrapper functions for manipulation with non-raster spatial objects

Does any band contain no information?

Print metadata for raster image.

Create raster image in memory

Add raster to the image panel

Reclassify specific values of image

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

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

Change raster image resolution and extent

Add scale bar to the image panel

ursaProgressBar

Wrapper functions for writing spatial objects.

Cache management of ursa package

spatial_levelsplit

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

Wrapper to WhiteboxTools

Add auxiliary elements to the plotting panel.

Wrapper functions for reading spatial objects.

Extract and assign projection of raster images.

Crop 'no data' margins.

panel_graticule

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

temporal_interpolate

Fill gaps across bands using moving mean window

Generate raster image for examples.

Create raster image from R objects or GDAL raster files.

Extract and assign spatial parameters of raster images.

Start plotting on the new image panel

Get and set properties of raster image.

Add graphical elements to the image panel

Computes statistics for each band of raster.

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

Extremal spatial filter for image

Custom spatial filtering for image