n_directions = 90
).Site names are automatically read from the data associated with the shapefile.
The names have to be in a column with a name matching the regular expression;
^[Nn]ames{0,1}$
.
Created a shiny application for fetchR.
Use on.exit
to close the KML file connection in kml,Fetch
method.
SpatialPolyons
representing any
marine location on Earth (#6). As a result, fetchR 2.0 is no longer limited
to calculating wind fetch within New Zealand coastal areas.The rgeos::gBuffer
function is used to calculate the end points of the fetch
vectors at their maximum distance.
The interactions between the fetch vectors and the coastlines, or any of the
polygons, are calculated with the rgeos::gIntersection
function as opposed to
the slow, iterative algorithm used by the package's predecessors.
Computation times have dramatically decreased.
vignette("introduction-to-fetchR")
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