=========================================================================== Metadata for the file: etopo10min170W60W65S25N.asc Obtained from: http://www.ngdc.noaa.gov/mgg/gdas/gd_designagrid.html Date: 2012 Header: 661 ncols 541 nrows -170.0 xll -65.0 yll 0.166666666667 cellsize 999999 nodata_value Description: Bathymetry from west coast of Chile to Hawaii for test problem. File size: 2.4M ===========================================================================