.prepareRaster

Internal function. Takes a raster <code>.quickPlotGrob</code>, and converts <code>zoomExtent</code> into
a zoom, and <code>legendRange</code> into a legend.
Then calculates the <code>maxpixels</code> to plot for speed.

internal

A high-level plotting system, compatible with `ggplot2` objects,
maps from `sf`, `terra`, `raster`, `sp`. It is built primarily on the
'grid' package. The objective of the package is to provide a plotting system
that is built for speed and modularity. This is useful for quick visualizations
when testing code and for plotting multiple figures to the same device from
independent sources that may be independent of one another (i.e., different
function or modules the create the visualizations). The suggested package
'fastshp' can be installed from the repository
(<https://PredictiveEcology.r-universe.dev>).

Eliot J B

quickPlot

A System of Plotting Optimized for Speed and Modularity

Eliot J B McIntire

Alex M Chubaty

His Majesty the King in Right of Canada, as represented by the Minister of Natural Resources Canada 

.prepareRaster function

<dl><dt>grobToPlot</dt>
<dd>A <code>.quickPlotGrob</code> object.</dd>
<dt>zoomExtent</dt>
<dd>an extent object</dd>
<dt>legendRange</dt>
<dd>a numeric vector of length &gt;=2 indicating the desired legend range.</dd>
<dt>takeFromPlotObj</dt>
<dd>logical. Should the object be found in the <code>Plot</code> call or
<code>.GlobalEnv</code></dd>
<dt>arr</dt>
<dd>an <code>.arrangement</code> object</dd>
<dt>speedup</dt>
<dd>numeric, greater than 1 will usually speed up plotting at the
expense of resolution</dd>
<dt>newArr</dt>
<dd>logical, whether this is a new arrangement or just adding to a previous one</dd></dl>

Arguments

Author

Prepare raster for plotting — .prepareRaster

<dl>

<dt>grobToPlot</dt>
<dd>A <code>.quickPlotGrob</code> object.</dd>


<dt>zoomExtent</dt>
<dd>an extent object</dd>


<dt>legendRange</dt>
<dd>a numeric vector of length &gt;=2 indicating the desired legend range.</dd>


<dt>takeFromPlotObj</dt>
<dd>logical. Should the object be found in the <code>Plot</code> call or
<code>.GlobalEnv</code></dd>


<dt>arr</dt>
<dd>an <code>.arrangement</code> object</dd>


<dt>speedup</dt>
<dd>numeric, greater than 1 will usually speed up plotting at the
expense of resolution</dd>


<dt>newArr</dt>
<dd>logical, whether this is a new arrangement or just adding to a previous one</dd>

</dl>

.prepareRaster: Prepare raster for plotting

Description

Usage

Arguments

Author