[Qgis-user] batimetric values

[ALT SHN]

Hello All,

I suppose qgis works with 3d batimetric values. In those cases how to tell
the program the altitude is under sea level? We create a field in attribute
table and add the minus (-) prefix to the altitude level? Something like
this:

 | point 1| Aveiro | -23|
 | point 2| Aveiro | -13|

Thanks for any enlightment!

Andre

-- 
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Associação Leonel Trindade
SOCIEDADE DE HISTÓRIA NATURAL

Apartado 25 2564-909 Torres Vedras Portugal
Sede e Biblioteca: rua Cavaleiros da Espora Dourada, 27A 2560 Torres Vedras

Laboratório de Paleontologia e Paleoecologia: Polígono Industrial do Alto do
Ameal 2565-641 Ramalhal
http://alt-shn.blogspot.com
www.alt-shn.org
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