ursa package - RDocumentation

Learn R Programming

⚠️There's a newer version (3.11.4) of this package.Take me there.

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

Copy Link

Version

Install

install.packages('ursa')

Monthly Downloads

184

Version

3.9.1

License

GPL (>= 2)

Issues

Pull Requests

Stars

Forks

Repository

https://github.com/nplatonov/ursa

Maintainer

Nikita Platonov

Last Published

November 11th, 2020

Functions in ursa (3.9.1)

global operator

Extract certains statistics for whole image

Custom spatial filtering for image

Median spatial filter for image

Extremal spatial filter for image

Computes statistics for each band of raster.

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

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

Extract certain statistics of each band.

Zonal statistics for raster maps

Get indices for partial image reading/writing

Transform values to type integer

Get number of bands of raster image.

‘No data’ values for raster images.

Convert raster image to a matrix

Rasterization of point data into grid cells

List of raster images.

assign values to the portion of raster images

Finish plotting

Organize multi-panel layout with images and color bars.

Values of raster images.

Color Tables of raster images.

Generate "cubehelix" palette.

Write raster image to GDAL file(s)

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

Extract portion of raster images

Some generic functions for ursaRaster class.

Connection of raster objects.

Combine bands into raster brick.

Close connections for files with data

Spatial parameters of raster images.

Definition of ursaRaster class.

Convert raster image to a data frame

Dimension of multiband raster image

Plot colorbars or marginal texts.

Simple display of raster images

Export raster object to multidimensional array

Create ENVI or GDAL files on disk

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

Replicate bands of raster image.

Start displaying

Start plotting on the new image panel

Drop bands which don't have data.

Wrapper functions for manipulation with non-raster spatial objects

panel_graticule

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

legend_colorbar

Align caption position for legend

Write raster image to ENVI .hdr Labelled Raster file.

Sequence Generation for raster image and coordinate grid

Read GDAL supported raster files.

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

ENVI File Manipulation

Band names for raster image.

Summary of raster image.

Add colored contour to the image panel

Reduce and restore dimenstions for sparse data matrix

Add auxiliary elements to the plotting panel.

Add graphical elements to the image panel

Add raster to the image panel

Raster to vector (polygon) conversion.

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

Create color table

Generate raster image for examples.

Group Generic Functions for raster image

Wrapper functions for reading spatial objects.

Plot layout of images and color bars.

Plot raster images and decorations on the multipanel layout.

Extract and assign spatial parameters of raster images.

Extract and assign projection of raster images.

Plot raster image(s) in the PNG format.

Change raster image resolution and extent

Destroy color table for raster images.

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

Get value and coordinates from location

Extract and assign ‘nodata’ value of raster images.

Create raster image from R objects or GDAL raster files.

Does any band contain no information?

Export raster object to a colored representation.

Frequency of unique values

Cache management of ursa package

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

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

Crop 'no data' margins.

panel_annotation

Add label or annotation to the image panel.

Extract first and last bands of raster image

panel_coastline

Add coastline to the image panel.

Print metadata for raster image.

Add scale bar to the image panel

Shaded overlay by image mask

Histogram of raster image

Read ENVI .hdr Labelled Raster file to memory

Write marginal text

Coercion to package 'raster' objects

Create raster image in memory

ursaProgressBar

Get and set properties of raster image.

Smooth value across bands using moving mean window

Reclassify specific values of image

Wrapper functions for writing spatial objects.

temporal_interpolate

Fill gaps across bands using moving mean window

Low-pass spatial filter for image.