[GRASS-user] Polygon from two or more selected contour line in a contour vector file

[SWAPAN GHOSH]

Actually I have some vector consisting contour line and we have cut
certain portion using another sample polygonal area vector.I do it and make
a new vector file.Finally, I have to calculate the area bounded by any two
or three or more selected  contour line in the resultant new vector. In
this regards, if I buid a polygon using the selected contour line then
problem will be solved. How I can do it.

Regards,

Swapan
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