There was a bug in the libes/gis routine that calculates areas
for polygons for lat/lon. It is used by v.to.rast to deal with
islands because islands are smaller than the surrounding polygon
so it fills the raster image by decreasing polygon size
(overwriting as it goes).
Did you get the library fix? On moon the file you need is under
/grass/grass4.0/updates/src/libes/gis and is called area_poly1.c
If you didn't get this fix, get it, place it under src/libes/gis,
recompile the library, and then recompile v.to.rast.
If you did get the fix, then I need to get a copy of the
offending vector file which is failing to convert so I can track
down why. Are these islands "unlabeled?"
|
|Dear GRASS-users
|
|Somewhere in July we got a new version of v.to.rast from the moon.
|This new version should have no problems in rasterizing islands
|in LAT/LONG projection, but we are still having this problem.
|Some islands are recognized, most of them still are not recognized.
|
|Our temporarily solution (patching the islands from a seperate map
|into the 'parent'map) is very time consuming.
|
|Please help!
|
|Jan Jongejans
|a907janj@diamond.sara.nl
|University of Amsterdam
|
|
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Michael Shapiro U.S. Army CERL
email: shapiro@zorro.cecer.army.mil Environmental Division
phone: (217) 373-7277 P.O. Box 9005
fax: (217) 373-7222 Champaign, Ill. 61826-9005
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