Marker rotation

Although this has been discussed some recently with the Southern Hemisphere
TC symbol, it does not appear that there is a way to rotate any of the
default markers. I realize a number of them are axisymmetric and wouldn't
benefit from the inclusion of this resource, but others (like the arrows)
would allow some additional, useful applications. An interface similar to
that for text, utilizing a resource akin to gsTextAngleF, would seem
possible based around the defined location of the marker (I would think
preferably the center). Is this something that could possibly be added?

My application in mind is to plot arrowheads on the end of lines, such as
in the case of annotations, streamlines, or trajectories. It does not
appear to be currently possible via line or marker resources, and the only
possible workaround is to use text and a few of the arrows provided in font
35, for example, rotated and shifted to align with the correct end of the
line. In reality, the amount of effort to calculate the correct
justification shift for each figure is prohibitive compared to the amount
of time it takes to add these features in another program after the fact
(e.g. PowerPoint or Illustrator). Thanks for the consideration,

Kyle
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Kyle S. Griffin
Department of Atmospheric and Oceanic Sciences
University of Wisconsin - Madison
1225 W Dayton St, Madison, WI 53706
Room 1421 Email: ksgriffin2@wisc.edu

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Received on Fri Sep 7 10:15:26 2012