ursa package - RDocumentation

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ursa

Actual sources are at https://github.com/nplatonov/ursa

Check 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

531

Version

3.8.20

License

GPL (>= 2)

Issues

Pull Requests

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Repository

https://github.com/nplatonov/ursa

Maintainer

Nikita Platonov

Last Published

June 12th, 2020

Functions in ursa (3.8.20)

Low-pass spatial filter for image.

Frequency of unique values

Replicate bands of raster image.

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

Create ENVI or GDAL files on disk

assign values to the portion of raster images

Values of raster images.

Group Generic Functions for raster image

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

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

List of raster images.

Transform values to type integer

Export raster object to multidimensional array

Start plotting on the new image panel

Convert raster image to a matrix

Color Tables of raster images.

Get indices for partial image reading/writing

panel_graticule

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

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

Drop bands which don't have data.

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

Convert raster image to a data frame

Raster to vector (polygon) conversion.

Band names for raster image.

Reduce and restore dimenstions for sparse data matrix

Wrapper functions for writing spatial objects.

Histogram of raster image

Create color table

Extract first and last bands of raster image

Start displaying

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

temporal_interpolate

Fill gaps across bands using moving mean window

Plot colorbars or marginal texts.

Destroy color table for raster images.

Add auxiliary elements to the plotting panel.

Computes statistics for each band of raster.

ENVI File Manipulation

global operator

Extract certains statistics for whole image

Add colored contour to the image panel

Plot raster image(s) in the PNG format.

Get value and coordinates from location

Extract portion of raster images

ursaProgressBar

Custom spatial filtering for image

Extract and assign ‘nodata’ value of raster images.

Generate raster image for examples.

Rasterization of point data into grid cells

Reclassify specific values of image

Extremal spatial filter for image

Cache management of ursa package

Zonal statistics for raster maps

Extract and assign spatial parameters of raster images.

Combine bands into raster brick.

Print metadata for raster image.

Crop 'no data' margins.

Finish plotting

Definition of ursaRaster class.

Close connections for files with data

Generate "cubehelix" palette.

Organize multi-panel layout with images and color bars.

Create raster image in memory

Write raster image to GDAL file(s)

panel_annotation

Add label or annotation to the image panel.

Sequence Generation for raster image and coordinate grid

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

Summary of raster image.

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

Plot raster images and decorations on the multipanel layout.

panel_coastline

Add coastline to the image panel.

Plot layout of images and color bars.

Wrapper functions for reading spatial objects.

Wrapper functions for manipulation with non-raster spatial objects

Read GDAL supported raster files.

Write marginal text

Align caption position for legend

Coercion to package 'raster' objects

legend_colorbar

Extract and assign projection of raster images.

Write raster image to ENVI .hdr Labelled Raster file.

Change raster image resolution and extent

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

Extract certain statistics of each band.

Some generic functions for ursaRaster class.

‘No data’ values for raster images.

Dimension of multiband raster image

Connection of raster objects.

Spatial parameters of raster images.

Does any band contain no information?

Get number of bands of raster image.

Read ENVI .hdr Labelled Raster file to memory

Create raster image from R objects or GDAL raster files.

Add scale bar to the image panel

Add graphical elements to the image panel

Add raster to the image panel

Shaded overlay by image mask

Get and set properties of raster image.

Smooth value across bands using moving mean window

Median spatial filter for image

Simple display of raster images

Export raster object to a colored representation.