I am not satisfied with the answer with respect to the problem as " how we can build polygon by two or more line-arc ". The way said I am trying before that and I need more appropriate practical way not just concept.
Regards, Swapan Ghosh On Wed, Feb 29, 2012 at 4:56 PM, Markus Neteler <[email protected]> wrote: > On Wed, Feb 29, 2012 at 6:44 AM, SWAPAN GHOSH <[email protected]> wrote: > > Hello Grass User, > > > > Any one can solve me the problem like-"How we can Import data using XLS > file > > rather csv and > > (see Martin's answer) > > > how we can build polygon by two or more line-arc". > > You need to convert the lines into "boundary" type with v.type > and then add a centroid with v.centroid. See also > > http://grass.osgeo.org/wiki/Convert_vector_types > > Markus >
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