occurrences_plot: Quick geographic plot of occurrence data

In fozy81/NBN4R: National Biodiversity Network Atlas (UK and Ireland) Data and Resources in R

Description

Generates a plot of occurrence data retrieved using occurrences.The plot uses an Australian basemap and colours the occurrence records dots according to parameters

Usage

occurrences_plot(x, filename = "Rplots.pdf", qa = c("fatal", "error"),
  grouped = FALSE, taxon_level = "species", pch, cex = 0.75, ...)

Arguments

x	list: a list object that has been downloaded using occurrences
filename	string: name of file to be created; defaults to RPlots.pdf
qa	string vector: list of record issues to be mapped; these can be assertion columnnames, or 'all' or 'none' or any combination of 'error', 'warning' or 'fatal'. Column or categories in your dataset can be viewed using check_assertions.
grouped	logical: TRUE creates a single plot for all observations; FALSE plots individual maps for the taxon level defined.
taxon_level	string: taxonomic level at which to create maps; possible values are 'species', 'genus', 'family' or 'order'
pch	single number or character representing point type. See description of pch in points.
cex	numeric: character (or symbol) expansion. See description of cex in points.
...	: other options passed to pdf()

Value

Generates a pdf that maps the distributions.

References

https://api.nbnatlas.org/

Examples

## Not run:  
#download some observations
x <- occurrences(taxon="Lutra lutra",download_reason_id=10)
occurrences_plot(x)
x <- occurrences(taxon="Mayfly",download_reason_id=10)
occurrences_plot(x,"nbnPlot.pdf",qa="fatal",grouped=FALSE, taxon_level="species",pch='+')

## End(Not run)

fozy81/NBN4R documentation built on May 19, 2019, 8:22 a.m.