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Install

install.packages('ursa')

Monthly Downloads

184

Version

3.10.1

License

GPL (>= 2)

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Maintainer

Nikita Platonov

Last Published

October 7th, 2023

Functions in ursa (3.10.1)

Extract

Extract portion of raster images
allocate

Rasterization of point data into grid cells
chunk

Get indices for partial image reading/writing
colortable

Color Tables of raster images.
zonal_stat

Zonal statistics for raster maps
ursaGrid

Spatial parameters of raster images.
groupGeneric

Group Generic Functions for raster image
Replace

assign values to the portion of raster images
commonGeneric

Some generic functions for ursaRaster class.
ursaConnection

Connection of raster objects.
ursaRaster

Definition of ursaRaster class.
c

Combine bands into raster brick.
as.array

Export raster object to multidimensional array
seq

Sequence Generation for raster image and coordinate grid
as.matrix

Convert raster image to a matrix
head

Extract first and last bands of raster image
dim

Dimension of multiband raster image
as.integer

Transform values to type integer
as.raster

Export raster object to a colored representation.
as.data.frame

Convert raster image to a data frame
close

Close connections for files with data
as.table

Frequency of unique values
rep

Replicate bands of raster image.
hist

Histogram of raster image
sort

Sort multiband raster by band names.
na.omit

Drop bands which don't have data.
plot

Simple display of raster images
is.na

‘No data’ values for raster images.
bandname

Band names for raster image.
nband

Get number of bands of raster image.
compose_open

Start displaying
compose_legend

Plot colorbars or marginal texts.
compose_design

Organize multi-panel layout with images and color bars.
ursaValue

Values of raster images.
summary

Summary of raster image.
compose_panel

Plot raster images and decorations on the multipanel layout.
ursaStack

List of raster images.
codec

Reduce and restore dimenstions for sparse data matrix
colorize

Create color table
compose_close

Finish plotting
create_envi

Create ENVI or GDAL files on disk
read_gdal

Read GDAL supported raster files.
discolor

Destroy color table for raster images.
read_envi

Read ENVI .hdr Labelled Raster file to memory
compose_plot

Plot layout of images and color bars.
cubehelix

Generate "cubehelix" palette.
write_envi

Write raster image to ENVI .hdr Labelled Raster file.
write_gdal

Write raster image to GDAL file(s)
open_gdal

Open GDAL file
open_envi

open_envi file
ignorevalue

Extract and assign ‘nodata’ value of raster images.
envi_files

ENVI File Manipulation
display

Plot raster image(s) in the PNG format.
identify

Get value and coordinates from location
display_brick

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

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

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

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

Align caption position for legend
get_earthdata

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

Add auxiliary elements to the plotting panel.
legend_mtext

Write marginal text
as_stars

Raster coercion to `stars`
as.Raster

Coercion to package 'raster' objects
panel_graticule

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

Add colored contour to the image panel
panel_annotation

Add label or annotation to the image panel.
legend_colorbar

Plot colorbar
panel_coastline

Add coastline to the image panel.
panel_new

Start plotting on the new image panel
polygonize

Raster to vector (polygon) conversion.
panel_plot

Add graphical elements to the image panel
panel_shading

Shaded overlay by image mask
ursaProgressBar

Progress bar
pixelsize

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

Add scale bar to the image panel
regrid

Change raster image resolution and extent
reclass

Reclassify specific values of image
segmentize

Create segmented line from points' sequence
panel_raster

Add raster to the image panel
blank

Does any band contain no information?
temporal_mean

Smooth value across bands using moving mean window
temporal_interpolate

Fill gaps across bands using moving mean window
session

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

Get and set properties of raster image.
spatial_levelsplit

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

Wrapper functions for writing spatial objects.
as.ursa

Create raster image from R objects or GDAL raster files.
spatial_read

Wrapper functions for reading spatial objects.
ursa_cache

Cache management of ursa package
ursa_info

Print metadata for raster image.
ursa_grid

Extract and assign spatial parameters of raster images.
ursa_dummy

Generate raster image for examples.
ursa_new

Create raster image in memory
ursa_crs

Extract and assign projection of raster images.
ursa_crop

Crop 'no data' margins.
spatial_engine

Wrapper functions for manipulation with non-raster spatial objects
band_group

Extract certain statistics of each band.
focal_mean

Low-pass spatial filter for image.
band_stat

Computes statistics for each band of raster.
local_group

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

Custom spatial filtering for image
focal_median

Median spatial filter for image
focal_extrem

Extremal spatial filter for image
global operator

Extract certains statistics for whole image
local_stat

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

Overview