[GRASS-user] How we can Import data using XLS file rather csv and how we can build polygon by two or more line arc

[Markus Neteler]

On Wed, Feb 29, 2012 at 6:44 AM, SWAPAN GHOSH <swap.ghsh at gmail.com> 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