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

184

Version

3.10.3

License

GPL (>= 2)

Issues

Pull Requests

Stars

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Repository

https://github.com/nplatonov/ursa

Maintainer

Nikita Platonov

Last Published

December 20th, 2023

Functions in ursa (3.10.3)

Low-pass spatial filter for image.

Median spatial filter for image

Zonal statistics for raster maps

Rasterization of point data into grid cells

Computes statistics for each band of raster.

Extremal spatial filter for image

Export raster object to a colored representation.

Extract portion of raster images

Definition of ursaRaster class.

Transform values to type integer

Export raster object to multidimensional array

Convert raster image to a data frame

Convert raster image to a matrix

Organize multi-panel layout with images and color bars.

Frequency of unique values

Sequence Generation for raster image and coordinate grid

Extract first and last bands of raster image

Histogram of raster image

Plot colorbars or marginal texts.

Sort multiband raster by band names.

Start displaying

Plot raster images and decorations on the multipanel layout.

Write raster image to ENVI .hdr Labelled Raster file.

Read ENVI .hdr Labelled Raster file to memory

Write raster image to GDAL file(s)

Read GDAL supported raster files.

Plot raster image(s) in the PNG format.

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

Coercion to package 'raster' objects

Raster coercion to `stars`

Add graphical elements to the image panel

Add colored contour to the image panel

Plot layout of images and color bars.

Add raster to the image panel

Add auxiliary elements to the plotting panel.

Change raster image resolution and extent

Create segmented line from points' sequence

Create raster image from R objects or GDAL raster files.

Create ENVI or GDAL files on disk

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

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

Wrapper functions for manipulation with non-raster spatial objects

Custom spatial filtering for image

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

Generate raster image for examples.

Does any band contain no information?

Connection of raster objects.

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

global operator

Extract certains statistics for whole image

Extract and assign spatial parameters of raster images.

Spatial parameters of raster images.

Drop bands which don't have data.

Band names for raster image.

Get indices for partial image reading/writing

Color Tables of raster images.

Get value and coordinates from location

Create color table

ursaProgressBar

Reclassify specific values of image

Finish plotting

Smooth value across bands using moving mean window

Some generic functions for ursaRaster class.

Dimension of multiband raster image

‘No data’ values for raster images.

Get and set properties of raster image.

ENVI File Manipulation

Get number of bands of raster image.

Summary of raster image.

List of raster images.

Extract and assign ‘nodata’ value of raster images.

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

Extract and assign projection of raster images.

legend_colorbar

Write marginal text

Align caption position for legend

panel_annotation

Add label or annotation to the image panel.

panel_coastline

Add coastline to the image panel.

Wrapper functions for writing spatial objects.

temporal_interpolate

Fill gaps across bands using moving mean window

Add scale bar to the image panel

Shaded overlay by image mask

Extract certain statistics of each band.

assign values to the portion of raster images

Group Generic Functions for raster image

Combine bands into raster brick.

spatial_levelsplit

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

Wrapper functions for reading spatial objects.

Cache management of ursa package

Crop 'no data' margins.

Close connections for files with data

Simple display of raster images

Replicate bands of raster image.

Values of raster images.

Reduce and restore dimenstions for sparse data matrix

Generate "cubehelix" palette.

Destroy color table for raster images.

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

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

panel_graticule

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

Start plotting on the new image panel

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

Raster to vector (polygon) conversion.

Print metadata for raster image.

Create raster image in memory