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

494

Version

3.9.4

License

GPL (>= 2)

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Repository

https://github.com/nplatonov/ursa

Maintainer

Nikita Platonov

Last Published

May 22nd, 2021

Functions in ursa (3.9.4)

Low-pass spatial filter for image.

Extremal spatial filter for image

Computes statistics for each band of raster.

Custom spatial filtering for image

Median spatial filter for image

global operator

Extract certains statistics for whole image

Extract certain statistics of each band.

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

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

Extract portion of raster images

Connection of raster objects.

Spatial parameters of raster images.

Get indices for partial image reading/writing

Color Tables of raster images.

assign values to the portion of raster images

Group Generic Functions for raster image

Convert raster image to a data frame

Export raster object to a colored representation.

Close connections for files with data

Export raster object to multidimensional array

Definition of ursaRaster class.

Combine bands into raster brick.

Zonal statistics for raster maps

Frequency of unique values

Rasterization of point data into grid cells

Transform values to type integer

Some generic functions for ursaRaster class.

Extract first and last bands of raster image

Histogram of raster image

Simple display of raster images

Band names for raster image.

Dimension of multiband raster image

Replicate bands of raster image.

Drop bands which don't have data.

Convert raster image to a matrix

‘No data’ values for raster images.

Sequence Generation for raster image and coordinate grid

Get number of bands of raster image.

Plot colorbars or marginal texts.

Start displaying

Plot layout of images and color bars.

Plot raster images and decorations on the multipanel layout.

Finish plotting

Summary of raster image.

Organize multi-panel layout with images and color bars.

Write raster image to GDAL file(s)

List of raster images.

Values of raster images.

Destroy color table for raster images.

Read GDAL supported raster files.

Generate "cubehelix" palette.

Create ENVI or GDAL files on disk

Read ENVI .hdr Labelled Raster file to memory

Reduce and restore dimenstions for sparse data matrix

Plot raster image(s) in the PNG format.

Create color table

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

Align caption position for legend

Write raster image to ENVI .hdr Labelled Raster file.

legend_colorbar

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

Get value and coordinates from location

Extract and assign ‘nodata’ value of raster images.

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

ENVI File Manipulation

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

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

panel_annotation

Add label or annotation to the image panel.

Add colored contour to the image panel

Add graphical elements to the image panel

panel_coastline

Add coastline to the image panel.

Start plotting on the new image panel

panel_graticule

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

Add raster to the image panel

Create segmented line from points' sequence

Change raster image resolution and extent

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

Wrapper functions for manipulation with non-raster spatial objects

Coercion to package 'raster' objects

Write marginal text

Reclassify specific values of image

ursaProgressBar

Wrapper functions for writing spatial objects.

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

Add auxiliary elements to the plotting panel.

Wrapper functions for reading spatial objects.

Does any band contain no information?

Add scale bar to the image panel

Print metadata for raster image.

Cache management of ursa package

Extract and assign spatial parameters of raster images.

Shaded overlay by image mask

Generate raster image for examples.

Crop 'no data' margins.

Create raster image in memory

Raster to vector (polygon) conversion.

Extract and assign projection of raster images.

Create raster image from R objects or GDAL raster files.

Get and set properties of raster image.

temporal_interpolate

Fill gaps across bands using moving mean window

Smooth value across bands using moving mean window