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SpaDES (version 1.3.1)

.prepareRaster: Prepare raster for plotting

Description

Internal function. Takes a raster .spadesGrob, and converts zoomExtent into a zoom, and legendRange into a legend. Then calculates the maxpixels to plot for speed.

Usage

.prepareRaster(grobToPlot, zoomExtent, legendRange, takeFromPlotObj, arr,
  speedup, newArr)

Arguments

grobToPlot

.spadesGrob

zoomExtent

an extent object

legendRange

a numeric vector of length >=2 indicating the desired legend range.

takeFromPlotObj

logical. Should the object be found in the Plot call or .GlobalEnv

arr

an .arrangement object

speedup

numeric, greater than 1 will usually speed up plotting at the expense of resolution

newArr

logical, whether this is a new arrangement or just adding to a previous one