#2014: r.sun using EPSG:3031 projection gives strange results
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Reporter: pierreroudier | Owner: grass-dev@…
Type: defect | Status: new
Priority: normal | Milestone: 7.0.0
Component: Raster | Version: svn-trunk
Keywords: r.sun | Platform: Linux
Cpu: x86-64 |
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Comment(by hamish):
yeah, looking at the results for day=1 and 30 there's significantly more
light showing on the true-south side of Erebus at that time of year. To
test if that's a counter-intuitive cumulative time-spent effect or not,
next things to try I think are to plot the sun's position through the day,
and try it in another Antarctic stereographic projection that puts grid-
north and true-north in alignment and see if we get the same result.
Hamish
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Ticket URL: <https://trac.osgeo.org/grass/ticket/2014#comment:6>
GRASS GIS <http://grass.osgeo.org>
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