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Apr
3
revised Monthly weather averages using NCEP/NCAR Reanalysis data
edited to do the polygon extraction
Apr
3
revised Monthly weather averages using NCEP/NCAR Reanalysis data
added 169 characters in body
Apr
3
answered Monthly weather averages using NCEP/NCAR Reanalysis data
Mar
29
revised Plotting Netcdf data. How to get right projection?
deleted 5 characters in body
Mar
28
answered Plotting Netcdf data. How to get right projection?
Mar
27
comment Plotting Netcdf data. How to get right projection?
Can you provide the file? Probably you need to rasterize
Mar
27
awarded  Nice Answer
Mar
13
comment How to import R-generated .gri/.grd raster files in GRASS?
Doh! Had no idea that hdr could write VRT like this . . . :)
Mar
13
comment Getting latitude and longitude raster from DEM using ArcGIS for Desktop?
read the dem with raster() and use functions coordinates, xFromCol, yFromRow, xyFromCell etc.
Mar
9
comment constrain random points with a polygon in R using sp library
Put the polygon in as the first argument to spsample rather than the grid.
Feb
21
comment How to import several GeoTiff files into R?
Try library(raster); r <- stack(list.files(pattern="tif$", full.names=FALSE)) ## you can convert to sp/rgdal format if need be
Feb
3
comment Calculate shortest path not on land but over sea
Some prior discussions: stackoverflow.com/questions/8120594/… and stat.ethz.ch/pipermail/r-sig-geo/2010-January/007491.html and stat.ethz.ch/pipermail/r-sig-geo/2008-March/003313.html
Jan
30
comment How to read *.adf files into R?
Please change the title to something intelligent and accurate.
Jan
29
comment Georeferencing using corner coordinate
I would first point gdalinfo at one of the files, it may well be a GeoTIFF anyway
Jan
26
comment Manifold GIS Scripting/Queries — query a web page and scrape page source?
This might be relevant, but generally I wouldn't be using Manifold directly for the web scraping part. If you can get it working with Python I'd do it externally first before trying to run it inside Manifold itself, though that should also work. georeference.org/doc/a_flashy_demo_web_queries_and_kml.htm
Jan
7
comment Identify nearest neighbor in grid in R (spatial)
See sp::gridIndex2nb or raster::adjacent
Jan
6
comment Error in warping the merged hdf4 files
You can't warp from an unknown projection, either the file needs to have that information embedded or you can tell gdalwarp what it is with -s_srs
Jan
1
comment How to find if two gps tracks were from the same trip?
Dupe: gis.stackexchange.com/questions/81551/matching-gps-tracks
Dec
24
comment Software for opening .img files
.img is not enough to identify a format, it is ambiguous at best. Note that some software ignore the extension,or only use it as part of the evidence, and some formats ship without an extension at all
Dec
21
comment Runnig of LSMA method in ENVI sotware
What is runnig, lsma, envi and ppi? Details please.