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

282

Version

3.8.19

License

GPL (>= 2)

Issues

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Repository

https://github.com/nplatonov/ursa

Maintainer

Nikita Platonov

Last Published

March 29th, 2020

Functions in ursa (3.8.19)

Low-pass spatial filter for image.

Computes statistics for each band of raster.

Extremal spatial filter for image

Custom spatial filtering for image

Extract certain statistics of each band.

global operator

Extract certains statistics for whole image

Median spatial filter for image

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

Assing values to the portion of raster images

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

Group Generic Functions for raster image

Get indices for partial image reading/writing

Export raster object to multidimensional array

Extract portion of raster images

Export raster object to a colored representation.

Histogram of raster image

Some generic functions for ursaRaster class.

Definition of ursaRaster class.

Rasterization of point data into grid cells

Color Tables of raster images.

Transform values to type integer

Frequency of unique values

Drop bands which don't have data.

Extract first and last bands of raster image

Convert raster image to a data frame

Finish plotting

Zonal statistics for raster maps

Simple display of raster images

Replicate bands of raster image.

Write raster image to GDAL file(s)

Get number of bands of raster image.

Organize multi-panel layout with images and color bars.

Convert raster image to a matrix

Plot raster images and decorations on the multipanel layout.

Dimension of multiband raster image

Plot layout of images and color bars.

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

Spatial paramaters of raster images.

Destroy color table for raster images.

Generate "cubehelix" palette.

Write marginal text

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

‘No data’ values for raster images.

Connection of raster objects.

Band names for raster image.

Plot colorbars or marginal texts.

Start displaying

List of raster images.

Reduce and restore dimenstions for sparse data matrix

Read GDAL supported raster files.

Coercion to package 'raster' objects

Add scale bar to the image panel

Combine bands into raster brick.

Write raster image to ENVI .hdr Labelled Raster file.

Add colored contour to the image panel

Plot raster image(s) in the PNG format.

Get value and coordinates from location

Align caption position for legend

Extract and assign ‘nodata’ value of raster images.

Close connections for files with data

Values of raster images.

Reclassify specific values of image

Read ENVI .hdr Labelled Raster file to memory

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

ENVI File Manipulation

ursaProgressBar

Sequence Generation for raster image and coordinate grid

Get and set properties of raster image.

legend_colorbar

Summary of raster image.

panel_annotation

Add label or annotaion to the image panel.

Add graphical elements to the image panel

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

Add raster to the image panel

panel_coastline

Add coastline to the image panel.

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

Add auxiliary elements to the plotting panel.

Raster to vector (polygon) conversion.

Create color table

Change raster image resolution and extent

Create raster image from R objects or GDAL raster files.

Shaded overlay by image mask

Wrapper functions for reading spatial objects.

Create ENVI or GDAL files on disk

Wrapper functions for manipulation with non-raster spatial objects

Print metadata for raster image.

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

Wrapper functions for writting spatial objects.

Start plotting on the new image panel

panel_graticule

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

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

temporal_interpolate

Fill gaps across bands using moving mean window

Generate raster image for examples.

Does any band contain no information?

Cache management of ursa package

Crop 'no data' margins.

Create raster image in memory

Extract and assign spatial paramaters of raster images.

Smooth value across bands using moving mean window

Extract and assign projection of raster images.