[Qgis-user] contour line

[Alexandre Santos]

Hello,

My file is a shapefile with 3 coluns (lat, lon, value precipitation).
I would like to plot lines, contours with the GRASS. How to do it. Do you
have a tutorial showing how to make



thanks,

Alexandre

-- 
SECRETARIA DE ESTADO DO MEIO AMBIENTE E DOS RECURSOS HÍDRICOS
DIRETORIA DE METEOROLOGIA
ALEXANDRE S. DOS SANTOS
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