[R] angles
Tom_R
tom.richardson at bristol.ac.uk
Fri Apr 2 18:13:30 CEST 2010
Hi R users,
I would like to construct a sort hybrid vector/scatter plot.
My data is in the following format: 3-column x,y,z data-frame in which
every row is a separate data-point.
The x & y columns are coordinates, and the z column contains orientation
data (range 0-180 degrees, with East=0 & North=90).
I need to set each x,y, point to have the alignment in z. Hence my 'vectors'
would simply be lines with the mid-point at x,y and without arrow-heads.
R's normal vector plot requires a pair of x,y coords for the start & end of
each vector, whereas I just have an orientation.
Any ideas?
Cheers!
Tom
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