Alisson,
It's not so easy to follow what is "desired" and "not-desired". For an
excellent discussion of the details involved in such operations see
http://blogs.mathworks.com/steve/2006/12/22/poly2mask-and-roipoly-part-3/
As a solution for your 'wish-behavior' case maybe what you can do is to
previously expand your polygon with a buffer of half cell width.
Joaquim
Hi friends,
By using gdalwarp to clip a raster with a mask (shape), I get a new
raster of smaller size, which is the boundary of the polygon shape
(mask). However, the pixels do not pass the polygon. I would like to
pass the pixels just a little of the polygon mask.
For clarity, I send two pictures of what I desire and not desire:
http://postimage.org/image/hlrc3911z/
http://postimage.org/image/4vn3q5t3r/
The used command is: gdalwarp -dstnodata 0 -q -cutline
C:/Users/Hugo/Final.shp -crop_to_cutline -of GTiff
C:/Users/Hugo/Elevation-DEM-CLIPPED.img
C:/Users/Hugo/Elevation-DEM-CLIPPED.img
Can you help me?
Best Regards,
--
Alisson Barbosa
Systems Analyst - FUNCEME
M.Sc. in Computer Science - MACC
Graduate in Computer Science - UECE
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