[gradsusr] Using geotiffs in Grads`

Nick HEATH nkh09 at fsu.edu
Tue Oct 26 11:05:08 EDT 2010


Hi everyone,

I am working with oil spill data, and I need a way to display the "oil" in my model.  I have geotiffs of the oil locations and I was wondering if there is any way to read those in.  I also have the locations in .gif files.  If that is not possible, does anyone have any good ideas of how I could make a "blob" of oil that I could apply equations to (such as a wind drift to watch how it moved through time)?

Here is the config of the Grads I'm using:

Config: v2.0.a8 little-endian readline printim grib2 netcdf hdf4-sds hdf5 opendap-grids,stn geotiff shapefile
Grid Analysis and Display System (GrADS) Version 2.0.a8
Copyright (c) 1988-2010 by Brian Doty and the
Institute for Global Environment and Society (IGES) 
This program is distributed WITHOUT ANY WARRANTY 
See file COPYRIGHT for more information. 

Built Fri Mar 26 10:24:10 EDT 2010 for x86_64-unknown-linux-gnu

This version of GrADS has been configured with the following options:
  o Built on a LITTLE ENDIAN machine
  o Athena Widget GUI DISABLED
  o Command line editing ENABLED 
      http://tiswww.case.edu/php/chet/readline/rltop.html 
  o printim command for image output ENABLED 
      http://www.zlib.net 
      http://www.libpng.org/pub/png/libpng.html 
      http://www.libgd.org/Main_Page 
  o GRIB2 interface ENABLED 
      http://www.ijg.org 
      http://www.ece.uvic.ca/~mdadams/jasper 
      http://www.nco.ncep.noaa.gov/pmb/codes/GRIB2 
      g2clib-1.1.8  
  o NetCDF interface ENABLED 
      http://www.unidata.ucar.edu/software/netcdf  
      netcdf 4.1.1-rc2 of Mar 23 2010 09:31:58 $  
  o OPeNDAP gridded data interface ENABLED
  o OPeNDAP station data interface ENABLED
      http://iges.org/grads/gadoc/supplibs.html 
      libgadap 2.0  
  o HDF4 and HDF5 interfaces ENABLED 
      http://hdfgroup.org 
      HDF 4.2r3 
      HDF5 1.8.4 
  o GeoTIFF and KML output ENABLED
      http://www.libtiff.org 
      http://geotiff.osgeo.org 
  o Shapefile interface ENABLED
      http://shapelib.maptools.org

Thanks for the help!

Nick



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