[R-sig-Geo] extract value of polygone

[Saman Monfared]

Hi.
I try to extract values of temperature in a topography  map. It is
like a contour plot.
I need the coordinates and temperature of some points.
how can I perform it??
thanks.


-- 

Saman Monfared
Msc Student,
Department of Statistics, Shiraz University,
Shiraz 71454, Iran
Email: Samanmonfared1 at gmail.com

Tel: +98 917 5305167



-- 

Saman Monfared
Msc Student,
Department of Statistics, Shiraz University,
Shiraz 71454, Iran
Email: Samanmonfared1 at gmail.com

Tel: +98 917 5305167