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chronosphere (version 0.4.1)

Earth System History Variables

Description

The purpose of the 'chronosphere' project is to facilitate spatially explicit analyses of (paleo)environmental/ecological research. The package serves as a gateway to plate tectonic reconstructions, deep time global climate model results as well as fossil occurrence datasets such as the Paleobiology Database and the PaleoReefs Database . Environmental data stored on a remote server can be downloaded and imported directly to the R environment. Query functions to the GPlates desktop application or the GPlates Web Service allow users to reconstruct coordinates, static plates, and Spatial objects. A wrapper class 'RasterArray' is implemented around the 'RasterLayer' class, allowing the organization of spatially explicit raster data in n-dimensional arrays. The project is developed under the umbrella of the DFG (Deutsche Forschungsgemeinschaft) Research Unit TERSANE2 (For 2332, TEmperature Related Stressors in ANcient Extinctions).

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Version

Install

install.packages('chronosphere')

Monthly Downloads

336

Version

0.4.1

License

CC BY 4.0

Maintainer

Adam Kocsis

Last Published

April 18th, 2021

Functions in chronosphere (0.4.1)

length,XArray-method

Number of elements or layers in a RasterArray or SpatialArray class object
as.RasterArray

Convert Raster* objects to RasterArrays
as.data.frame.RasterArray

S3-type method for RasterArray and SpatialArray
as.SpatialArray

Convert Spatial* objects to SpatialArrays
dim,XArray-method

Dimensions of SpatialArray or RasterArray objects
dems

PaleoDEM rasters from the reconstructions Chris Scotese.
mask,RasterArray,RasterLayer-method

Methods to mask RasterArray objects, or to mask with them
matchtime

Match the dates of a time-dependent variable with a predefined vector
nvalues

The total number of values in a RasterArray object
platemodel-class

Class of objects representing plate tectonic models
shaper

Code snippets defining ranges based on points located on a plot
spTransform,SpatialStack,ANY-method

Function to transform the coordinate reference system of an entire SpatialStack or SpatialArray
as.list,RasterArray-method

Coerce a RasterArray class object to a list
as.list,SpatialArray-method

Coerce a SpatialArray class object to a list
colnames,XArray-method

Column names of two-dimensional RasterArray or SpatialArray
combine

Combine RasterLayers and one-dimensional RasterArrays and Spatial* objects with one-dimensinoal SpatialArrays
extent

Extent of a RasterArray object
subset,SpatialStack-method

Subset a SpatialStack object
[[,XArray,ANY,ANY-method

Indexing to extract RasterLayers of a RasterArray or Spatial* of a SpatialArray object
extract

Extraction of values from multiple RasterLayers in a RasterArray object
mapedge

Function to quickly draft the edge of the equirectangular projection
mapplot

Wrapper function to plot maps of different classes
plot,RasterArray,missing-method

Shorthand for the plotting RasterArray and SpatialArray objects
projectRaster

Project a RasterArray object
reconstruct

Reconstruct geographic features
reference

Retrieve citation of data object
types

Return types of objects in a SpatialStack or SpatialArray object
SpatialStack-class

Stack of Spatial Objects
ncol,XArray-method

Number of columns and rows of a RasterArray or SpatialArray
coasts

PaleoMAP PaleoCoastlines (demo)
crop,RasterArray-method

Crop a RasterArray object
as

Coerce RasterLayer, RasterStack and RasterBrick object to a RasterArray
datasets

Download a database extract from chronosphere remote server
info

Documentation page of a variable
is.na.RasterArray

Positions of missing values in a RasterArray object
nums

Names as numerics
newbounds

Redefine bounds of a named matrix
[<-,SpatialStack,character,ANY,VectorSpatialClasses-method

Replace layers of a SpatialStack object
[<-,XArray,ANY,ANY,logical-method

Replace layers of a RasterArray or SpatialArray object
[,XArray,ANY,ANY-method

Indexing to extract subsets of a codeRasterArray or SpatialArray object
[[,SpatialStack,ANY,ANY-method

Indexing to extract Spatial items from a SpatialStack object
aggregate

Aggregate raster cells in a RasterArray object
apply

Apply-type iterator for RasterArrays and SpatialArrays
SpatialArray-class

Virtual Array of Vector Spatial data
RasterArray-class

Virtual Array of RasterLayers
disaggregate

Disaggregate raster cells in a RasterArray object
[[<-,XArray,ANY,ANY,ANY-method

Replace RasterLayers in a RasterArray object and Spatial* objects in a SpatialArray object.
cellStats,RasterArray-method

Statistics across cells in a RasterArray object
minValue,RasterArray-method

Minimum and maximum values in a RasterArray object
chronosphere

Earth System History Variables
rotate

Rotate a RasterArray object
fetch

Data fetching
names,XArray-method

Names of one-dimensional RasterArray, SpatialStack or SpatialArray objects.
ncell,RasterArray-method

Number of cells in a RasterArray object
rownames,XArray-method

Row names of two-dimensional RasterArray or SpatialArray objects
stack,VectorSpatialClasses-method

Stacking method for the vector Spatial* SpatialStack objects
[,SpatialStack,ANY,ANY-method

Indexing to extract subsets of a SpatialStack object
cbind.RasterArray

Combine Raster and Vector Spatial data to RasterArray or SpatialArray objects by rows or columns
calc,RasterArray,function-method

Calculate method for the RasterArray object
dimlayer

Dimensions of RasterLayers in a RasterArray object
layers

Names of RasterArray or SpatialArray Layers in the stack
dimnames,XArray-method

Names of multidimensional RasterArray or SpatialArray objects.
is.na.SpatialArray

Positions of missing values in a SpatialArray object
proxy

The proxy of a RasterArray or SpatialArray object
ramps

Colour gradient ramps
xres,RasterArray-method

Resolution of a RasterArray object
subset,XArray-method

Subset a RasterArray or SpatialArray object
t

Transpose a RasterArray or SpatialArray object
resample,RasterArray,ANY-method

Resample a RasterArray object