Re: [R-sig-Geo] Plot mean of variable on a map

2010-11-11 Thread Paulo Justiniano Ribeiro Jr
Uma laternativa soimples para visualizacao descrituicva sem modelagem alguma seria o sufo da funcao interpp() do pacote akima para griar um grid recular para visualizacao com image() anternativa sao muitsas , opor exemplo suar um ajuste com GAM Paulo Justiniano Ribeiro Jr LEG (Laboratorio de

[R-sig-Geo] Projection question...

2010-11-11 Thread Jonathan Greenberg
Folks: Robert has a version of this email concerning the implementation in raster, but I'm wondering if there's something going on with rgdal or proj? Can anyone think of a reason why reprojecting a file of North America with the following projection info: "+proj=lcc +lat_1=50 +lat_2=50 +lat_0=5

[R-sig-Geo] Plot mean of variable on a map

2010-11-11 Thread Aleksandr Andreev
Hello folks! I'm trying to create some nice graphs for summary statistics in a paper. Here is the issue. I have shapefiles of St Petersburg, Russia, which I can import via spb <- readShapePoly("/home/sasha/Documents/maps/spb.shp") I also have data on apartments in the city. For each apartment,

Re: [R-sig-Geo] raster() not reading in discrete values

2010-11-11 Thread Tyler Dean Rudolph
It turns out when doing raster calculations that the default output being created by ArcGIS was an image (ERDAS IMAGINE) and not a GRID after all. This was not immediately apparent until going back a step, though I am very glad to have finally noticed it. My apologies; I guess this is something t