/*
* Copyright 1998-2009 University Corporation for Atmospheric Research/Unidata
*
* Portions of this software were developed by the Unidata Program at the
* University Corporation for Atmospheric Research.
*
* Access and use of this software shall impose the following obligations
* and understandings on the user. The user is granted the right, without
* any fee or cost, to use, copy, modify, alter, enhance and distribute
* this software, and any derivative works thereof, and its supporting
* documentation for any purpose whatsoever, provided that this entire
* notice appears in all copies of the software, derivative works and
* supporting documentation. Further, UCAR requests that the user credit
* UCAR/Unidata in any publications that result from the use of this
* software or in any product that includes this software. The names UCAR
* and/or Unidata, however, may not be used in any advertising or publicity
* to endorse or promote any products or commercial entity unless specific
* written permission is obtained from UCAR/Unidata. The user also
* understands that UCAR/Unidata is not obligated to provide the user with
* any support, consulting, training or assistance of any kind with regard
* to the use, operation and performance of this software nor to provide
* the user with any updates, revisions, new versions or "bug fixes."
*
* THIS SOFTWARE IS PROVIDED BY UCAR/UNIDATA "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL UCAR/UNIDATA BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package ucar.nc2;
import ucar.nc2.dt.grid.GeoGrid;
import ucar.nc2.dt.grid.GridDataset;
import ucar.ma2.Array;
import java.io.IOException;
/**
* Class Description.
*
* @author caron
*/
public class ReadGrid {
public static void read( String filename) throws IOException {
GridDataset gds = GridDataset.open (filename);
GeoGrid grid = gds.findGridByName("Temperature");
long startTime = System.currentTimeMillis();
Array data = grid.readDataSlice(0, -1, -1, -1);
long endTime = System.currentTimeMillis();
long diff = endTime - startTime;
System.out.println("read "+data.getSize()+" took "+diff+ " msecs");
startTime = endTime;
float[] jdata = (float []) data.get1DJavaArray(float.class);
endTime = System.currentTimeMillis();
diff = endTime - startTime;
System.out.println("convert took "+diff+ " msecs "+jdata[0]);
}
public static void main( String arg[]) throws IOException {
String defaultFilename = "C:/data/grib/nam/conus12/NAM_CONUS_12km_20060604_1800.grib2";
String filename = (arg.length > 0) ? arg[0] : defaultFilename;
read(filename);
}
}