Description Usage Arguments Details Value Author(s) See Also Examples
Draws a north arrow on a map.
1 | north.arrow(xb,yb,len,lab='NORTH',cex.lab=1,tcol='black',...)
|
xb |
The x-centre (in map units) of the arrow base. |
yb |
The y-centre (in map units) of the arrow base. |
len |
The length (in map units) of the arrow base. |
lab |
The label for the arrow. |
cex.lab |
Scale factor for the label for the arrow. |
tcol |
The colour of the label text. |
... |
Other graphical parameters passed to the drawing of the arrow. |
Draws a north arrow on a map. The arrow itself is drawn using polygon
and any extra parameters are passed to this call.
None.
Chris Brunsdon
1 2 3 4 5 6 7 8 |
Loading required package: maptools
Loading required package: sp
Checking rgeos availability: TRUE
Loading required package: RColorBrewer
Loading required package: MASS
Loading required package: rgeos
rgeos version: 0.3-23, (SVN revision 546)
GEOS runtime version: 3.4.2-CAPI-1.8.2 r3921
Linking to sp version: 1.2-3
Polygon checking: TRUE
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