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ursa (version 3.8.8)
Non-Interactive Spatial Tools for Raster Processing and Visualization
Description
S3 classes and methods for manipulation with georeferenced raster data: reading/writing, processing, multi-panel visualization.
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Install
install.packages('ursa')
Monthly Downloads
435
Version
3.8.8
License
GPL (>= 2)
Issues
0
Pull Requests
0
Stars
7
Forks
1
Repository
https://github.com/nplatonov/ursa
Maintainer
Nikita Platonov
Last Published
June 6th, 2018
Functions in ursa (3.8.8)
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ursa-package
Overview
band_group
Extract certain statistics of each band.
focal_extrem
Extremal spatial filter for image
focal_special
Custom spatial filtering for image
focal_median
Median spatial filter for image
global operator
Extract certains statistics for whole image
Extract
Extract portion of raster images
local_group
Create single-band raster using statistics of multi-bands raster.
local_stat
Bundle of statistics, which is applied to each cell of multi-band image.
zonal_stat
Zonal statistics for raster maps
chunk
Get indices for partial image reading/writing
ursaRaster
Definition of
ursaRaster
class.
colortable
Color Tables of raster images.
as.raster
Export raster object to a colored representation.
ursaConnection
Connection of raster objects.
as.table
Frequency of unique values
as.integer
Transform values to type integer
head
Extract first and last bands of raster image
allocate
Rasterization of point data into grid cells
c
Combine bands into raster brick.
close
Close connections for files with data
ursaStack
List of raster images.
ursaValue
Values of raster images.
hist
Histogram of raster image
as.matrix
Convert raster image to a matrix
ursaGrid
Spatial paramaters of raster images.
commonGeneric
Some generic functions for
ursaRaster
class.
read_gdal
Read GDAL supported raster files.
Replace
Assing values to the portion of raster images
dim
Dimension of multiband raster image
groupGeneric
Group Generic Functions for raster image
is.na
‘No data’ values for raster images.
as.array
Export raster object to multidimensional array
na.omit
Drop bands which don't have data.
write_envi
Write raster image to ENVI .hdr Labelled Raster file.
seq
Sequence Generation for raster image and coordinate grid
as.data.frame
Convert raster image to a data frame
nband
Get number of bands of raster image.
bandname
Band names for raster image.
summary
Summary of raster image.
plot
Simple display of raster images
legend_align
Align caption position for legend
rep
Replicate bands of raster image.
compose_panel
Plot raster images and decorations on the multipanel layout.
compose_legend
Plot colorbars or marginal texts.
panel_plot
Add graphical elements to the image panel
legend_colorbar
Plot colorbar
colorize
Create color table
codec
Reduce and restore dimenstions for sparse data matrix
panel_raster
Add raster to the image panel
compose_open
Start displaying
write_gdal
Write raster image to GDAL file(s)
spatial_engine
Wrapper functions for manipulation with non-raster objects
compose_close
Finish plotting
cubehelix
Generate "cubehelix" palette.
compose_plot
Plot layout of images and color bars.
get_earthdata
Retrive data from Global Imagery Browse Services (GIBS) using API for Developers
compose_design
Organize multi-panel layout with images and color bars.
glance
Command line utility for spatial view of raster or vector GIS file.
panel_contour
Add colored contour to the image panel
temporal_mean
Smooth value across bands using moving mean window
temporal_interpolate
Fill gaps across bands using moving mean window
discolor
Destroy color table for raster images.
ursa
Get and set properties of raster image.
panel_decor
Add auxiliary elements to the plotting panel.
panel_scalebar
Add scale bar to the image panel
ursa_proj
Extract and assign projection of raster images.
display
Plot raster image(s) in the PNG format.
open_gdal
Open GDAL file
create_envi
Create ENVI or GDAL files on disk
panel_shading
Shaded overlay by image mask
open_envi
open_envi file
display_stack
Plot multi-band heterogenous raster images in the PNG format.
read_envi
Read ENVI .hdr Labelled Raster file to memory
ursa_info
Print metadata for raster image.
identify
Get value and coordinates from location
panel_annotation
Add label or annotaion to the image panel.
envi.files
ENVI File Manipulation
legend_mtext
Write marginal text
ignorevalue
Extract and assign ‘nodata’ value of raster images.
regrid
Change raster image resolution and extent
panel_coastline
Add coastline to the image panel.
session
Get and set sessional parameters for grid, CRS, external software for open PNG files.
display_brick
Plot multi-band homogenous raster image in the PNG format.
ursa_new
Create raster image in memory
display_rgb
Plot RGB (RGBA) color composition in the PNG format.
as.Raster
Coercion to package 'raster' objects
ursaProgressBar
Progress bar
panel_new
Start plotting on the new image panel
panel_graticule
Add latitude/longitude or metric grid to the image panel.
pixelsize
The actual size of each grid cell with considerable distortion in area of map projection.
reclass
Reclassify specific values of image
polygonize
Raster to vector (polygon) conversion.
ursa_cache
Cache management of ursa package
as.ursa
Create raster image from R objects or GDAL raster files.
blank
Does any band contain no information?
ursa_crop
Crop 'no data' margins.
ursa_dummy
Generate raster image for examples.
ursa_grid
Extract and assign spatial paramaters of raster images.
focal_mean
Low-pass spatial filter for image.
band_stat
Computes statistics for each band of raster.