Obrigada pessoal! vou tentar estes caminhos e repasso os resultados! Att Kena -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/Extrair-curvas-de-nivel-de-imagens-SRTM-tp6085062p6161553.html Sent from the gvSIG Brazil mailing list archive at Nabble.com.