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

251

Version

3.9.10

License

GPL (>= 2)

Issues

Pull Requests

Stars

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Repository

https://github.com/nplatonov/ursa

Maintainer

Nikita Platonov

Last Published

March 23rd, 2023

Functions in ursa (3.9.10)

Custom spatial filtering for image

Median spatial filter for image

Computes statistics for each band of raster.

global operator

Extract certains statistics for whole image

Extract certain statistics of each band.

Extremal spatial filter for image

Low-pass spatial filter for image.

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

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

Extract portion of raster images

Definition of ursaRaster class.

Spatial parameters of raster images.

Zonal statistics for raster maps

Color Tables of raster images.

Rasterization of point data into grid cells

Get indices for partial image reading/writing

assign values to the portion of raster images

Some generic functions for ursaRaster class.

Export raster object to a colored representation.

Frequency of unique values

Group Generic Functions for raster image

Connection of raster objects.

Convert raster image to a matrix

Transform values to type integer

Dimension of multiband raster image

Replicate bands of raster image.

Simple display of raster images

Export raster object to multidimensional array

Convert raster image to a data frame

Histogram of raster image

Extract first and last bands of raster image

Combine bands into raster brick.

Sequence Generation for raster image and coordinate grid

Sort multiband raster by band names.

Close connections for files with data

‘No data’ values for raster images.

Get number of bands of raster image.

Drop bands which don't have data.

Band names for raster image.

Organize multi-panel layout with images and color bars.

Summary of raster image.

List of raster images.

Values of raster images.

Plot colorbars or marginal texts.

Start displaying

Plot raster images and decorations on the multipanel layout.

Reduce and restore dimenstions for sparse data matrix

Finish plotting

Create color table

Destroy color table for raster images.

Write raster image to ENVI .hdr Labelled Raster file.

Plot layout of images and color bars.

Read GDAL supported raster files.

Write raster image to GDAL file(s)

Create ENVI or GDAL files on disk

Generate "cubehelix" palette.

Read ENVI .hdr Labelled Raster file to memory

Extract and assign ‘nodata’ value of raster images.

ENVI File Manipulation

Plot raster image(s) in the PNG format.

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

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

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

Get value and coordinates from location

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

Align caption position for legend

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

panel_graticule

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

Add colored contour to the image panel

Add auxiliary elements to the plotting panel.

Coercion to package 'raster' objects

legend_colorbar

panel_coastline

Add coastline to the image panel.

Start plotting on the new image panel

panel_annotation

Add label or annotation to the image panel.

Write marginal text

Raster coercion to `stars`

Reclassify specific values of image

Add scale bar to the image panel

ursaProgressBar

Add raster to the image panel

Shaded overlay by image mask

Raster to vector (polygon) conversion.

Add graphical elements 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.

Change raster image resolution and extent

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

Smooth value across bands using moving mean window

Get and set properties of raster image.

Does any band contain no information?

spatial_levelsplit

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

Create raster image from R objects or GDAL raster files.

temporal_interpolate

Fill gaps across bands using moving mean window

Wrapper functions for manipulation with non-raster spatial objects

Wrapper functions for reading spatial objects.

Wrapper functions for writing spatial objects.

Extract and assign spatial parameters of raster images.

Generate raster image for examples.

Cache management of ursa package

Crop 'no data' margins.

Extract and assign projection of raster images.

Create raster image in memory

Print metadata for raster image.