[GRASSLIST:375] SRTM coastline sharpening

[Luigi Ponti]

Dear list,

Following the GRASSNews_vol3 article on SRTM import, I was trying to 
sharpen coastlines using GSHHS shapefiles. However, the imported GSHHS 
vectors are just lines and not areas. Therefore I do not know how to 
generate a raster MASK, because there is no area for v.to.rast to 
produce a filled raster coverage.

Thanks in advance for any help,

Luigi

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GRASS6/cygwin user