Thank you all for your suggestions and reference (very interesting
indeed).
Cheers,
--
Sebastian P. Luque
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Hello,
I have searched the archives and other sources, but cannot find an R
function that would calculate the bearing of a pair of points (lat, lon).
It wouldn't be difficult to write such a function, but has this already
been done in a package?
Thanks in advance,
--
Sebastian P. Luque
__
Roger Bivand <[EMAIL PROTECTED]> wrote:
[...]
> Try:
>> getinfo.shape("your_file.shp")
Ok, I got:
--8<---cut here---start->8---
R> getinfo.shape("general01.shp")
Shapefile type: PolyLine, (3), # of Shapes: 11343
R> maptools()
maptools, version 0.5-2, 2005-09
On Fri, 30 Sep 2005 23:38:39 +0200 (CEST),
Roger Bivand <[EMAIL PROTECTED]> wrote:
[...]
> Using the plot method for sp class SpatialPolygons, the xlim= and ylim=
> arguments do what you want. They do in plot.polylist() too, but in
> plot.Map() you get warnings when the arguments are passed to pl
Hi,
I'm using package maptools for reading and plotting shape files, and am
looking for a way to "clip" the shapes for plotting only. More
precisely, I need to plot only a certain region of the original shape file
by providing the N, S, E, and W latitudes and longitudes that bound the
region. If
