Re: [R-sig-Geo] Map projection

2006-10-23 Thread bertrand toupin
ok, seems to be the path to success! Thanks again! Roger Bivand <[EMAIL PROTECTED]> wrote: On Mon, 23 Oct 2006, bertrand toupin wrote: > Hi, earlier, I used those functions to transform a lat-long database to a > Lambert Azimuthal Equal Area (LAEA) : > > Lam_proj <- project(cbind(Grille$x, Gr

Re: [R-sig-Geo] Map projection

2006-10-23 Thread Roger Bivand
On Mon, 23 Oct 2006, bertrand toupin wrote: > Hi, earlier, I used those functions to transform a lat-long database to a > Lambert Azimuthal Equal Area (LAEA) : > > Lam_proj <- project(cbind(Grille$x, Grille$y),"+proj=laea > +lat_0=latitudem_grid +lon_0=longitudem_grid +x_0=0 +y_0=0 +a=6370997 >

Re: [R-sig-Geo] clampy in binary image

2006-10-23 Thread Laurent Dubroca
Milton Cezar Ribeiro wrote: >Hi there, > > I have a binary image and I need to identify each clump of non-zero values > and attrib a diferent "patch" id-number. > Is there a R package that do that? > By the way, what are the R packages for image manipulation? > > Have a look to adehabita

[R-sig-Geo] Map projection

2006-10-23 Thread bertrand toupin
Hi, earlier, I used those functions to transform a lat-long database to a Lambert Azimuthal Equal Area (LAEA) : Lam_proj <- project(cbind(Grille$x, Grille$y),"+proj=laea +lat_0=latitudem_grid +lon_0=longitudem_grid +x_0=0 +y_0=0 +a=6370997 +b=6370997 +units=m") Now that my calculations is don