Track 7: Sesion 5

ver pag. 24 del
GRASS 6.0.2 (spearfish60):~/tutorialgrass > g.list type=rast /* lsitado de mapas
GRASS 6.0.2 (spearfish60):~/tutorialgrass > r.info railroads /* ver info de un mapa

Analisis de modelos de elevacion digital
r.slope.aspect
r.slope.aspect help
r.slope.aspect [-aq] elevation=string [slope=string] [format=string] [prec=string] [aspect=string] [pcurv=string] [tcurv=string] [dx=string] [dy=string] [dxx=string] [dyy=string] [dxy=string] [zfactor=float] [min_slp_allowed=float]

algebra de mapas , ejm: mostrar areas arriba de lso 1500m
GRASS 6.0.2 (spearfish60):~/tutorialgrass > r.mapcalc "elev_1500 = if (elevation.dem>1500.0, elevation.dem, null())"
100%
GRASS 6.0.2 (spearfish60):~/tutorialgrass > d.rast elev_1500

GRASS 6.0.2 (spearfish60):~/tutorialgrass > d.mon start=x1 /* abre el monitor x1, etc

Nota, guia completa en google (grass una guia de inicio)