Esempio n. 1
0
  public static void main(String[] args) {

    // when dods using no ending
    // NetcdfFile doesnt work

    // http://thredds1.pfeg.noaa.gov:8080/thredds/dodsC/satellite/BA/ssta/mday.dods?BAssta[0:1:20][0:1:0][0:10:0][0:10:0]

    String url =
        "file:/Users/bermudez/downloads/SADCec95-UNC_WANAFp50-UFL_20080921T1800_20080921T1900_20080926T1800_11dvel_Z.nc";
    // BAssta[0:1:73][0:1:0][1000:1:1000][2400:1:2400]
    try {

      NetcdfDataset netcdfdataset = NetcdfDataset.openDataset(url);

      NCdump.print(netcdfdataset, "", System.out, null);

      //			List<Variable> vars = netcdfdataset.getVariables();
      //			for (Iterator iterator = vars.iterator(); iterator.hasNext();) {
      //				ucar.nc2.Variable var = (ucar.nc2.Variable) iterator.next();
      //				doVar(netcdfdataset,var.getName(),"0:2:2");
      ////				NCdump.printVariableData(var,null);
      //				System.out.println(var.getName());
      //			}

      // doVar(netcdfdataset, "BAssta", "1:73,0,1000:1010,2400");
      // doVar(netcdfdataset, "lon", "0:100");
      // doVar(netcdfdataset, "lat", "0:100");
      // doVar(netcdfdataset, "time", "0:30");

    } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
  }
Esempio n. 2
0
  public static void doVar(NetcdfDataset netcdfdataset, String varS, String limits) {
    System.out.println("\r---------\r\r");
    ucar.nc2.Variable var = netcdfdataset.findVariable(varS);
    System.out.println(var.getName() + " " + var.getSize());

    Array arr;
    try {
      arr = var.read(limits);
      NCdump.printArray(arr, "array", System.out, null);
    } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    } catch (InvalidRangeException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
  }
  public void read5kmlatlong() {
    NetcdfFile ncfile = null;
    try {
      ncfile = NetcdfFile.open("/home/kerryn/Desktop/Temp/treecover_30pts_lat.nc");
      String xrange = "Band1";
      Variable xrangeVar = ncfile.findVariable(xrange);
      Array xrangeData = xrangeVar.read();
      NCdump.printArray(xrangeData, xrange, System.out, null);

      String yrange = "GDAL_Geographics";
      Variable yrangeVar = ncfile.findVariable(yrange);
      Array yrangeData = yrangeVar.read();
      NCdump.printArray(yrangeData, yrange, System.out, null);

      List<ucar.nc2.Attribute> yattr = yrangeVar.getAttributes();
      for (ucar.nc2.Attribute attr : yattr) {
        String attrName = attr.getName();
        Array attrValue = attr.getValues();
        attrValue.getElementType();
        double value = attrValue.getDouble(0);

        System.out.println(attrName + "=" + value);
      }

      // [Northernmost_Northing = -37.51903101958847, Southernmost_Northing = -38.49309598467985,
      // Easternmost_Easting = 145.56979076552813, Westernmost_Easting = 144.4949604592204,
      // spatial_ref = "GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS
      // 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433],AUTHORITY[\"EPSG\",\"4326\"]]", GeoTransform = "144.495 0.0335884 0 -37.519 0 -0.0335884 ", grid_mapping_name = "Geographics Coordinate System", long_name = "Grid_latitude"]

      //			String zrange = "z_range";
      //			Variable zrangeVar = ncfile.findVariable(zrange);
      //			Array zrangeData = zrangeVar.read();
      //			NCdump.printArray(zrangeData, zrange, System.out, null);
      //
      //			String spacing = "spacing";
      //			Variable spacingVar = ncfile.findVariable(spacing);
      //			Array spacingData = spacingVar.read();
      //			NCdump.printArray(spacingData, spacing, System.out, null);
      //
      //			String dimension = "dimension";
      //			Variable dimensionVar = ncfile.findVariable(dimension);
      //			Array dimensionData = dimensionVar.read();
      //			NCdump.printArray(dimensionData, dimension, System.out, null);
      //
      //			String z = "z";
      //			Variable zVar = ncfile.findVariable(z);
      //			Array zData = zVar.read();
      //			NCdump.printArray(zData, z, System.out, null);

      //			int count = 0;
      //			//for (int x=0;x<94;x++)
      //			for (int x=0;x<30;x++)  // 106.92 km
      //			{
      //				//for (int y=0;y<108;y++)
      //				for (int y=0;y<30;y++) // 93.06 km
      //				{
      //					double item = zData.getDouble(count);
      //					long percent = Math.round(item * 100);
      //					if (percent < 0)
      //					{
      //						percent = 0;
      //					}
      //					String percentStr = new Integer((int)percent).toString();
      //					if (percentStr.length() == 1)
      //					{
      //						percentStr = "0" + percentStr;
      //					}
      //					if (percentStr.equals("00"))
      //					{
      //						percentStr = "  ";
      //					}
      //
      //					//System.out.println(x + " " + y + " " + item);
      //					System.out.print( " " + percentStr);
      //					count ++;
      //				}
      //				System.out.println();
      //			}

    } catch (IOException ioe) {
      ioe.printStackTrace();
    }
  }
  public void read5km() {
    NetcdfFile ncfile = null;
    try {
      ncfile = NetcdfFile.open("treecover_30pts.nc");
      String xrange = "x_range";
      Variable xrangeVar = ncfile.findVariable(xrange);
      Array xrangeData = xrangeVar.read();
      NCdump.printArray(xrangeData, xrange, System.out, null);

      String yrange = "y_range";
      Variable yrangeVar = ncfile.findVariable(yrange);
      Array yrangeData = yrangeVar.read();
      NCdump.printArray(yrangeData, yrange, System.out, null);

      String zrange = "z_range";
      Variable zrangeVar = ncfile.findVariable(zrange);
      Array zrangeData = zrangeVar.read();
      NCdump.printArray(zrangeData, zrange, System.out, null);

      String spacing = "spacing";
      Variable spacingVar = ncfile.findVariable(spacing);
      Array spacingData = spacingVar.read();
      NCdump.printArray(spacingData, spacing, System.out, null);

      String dimension = "dimension";
      Variable dimensionVar = ncfile.findVariable(dimension);
      Array dimensionData = dimensionVar.read();
      NCdump.printArray(dimensionData, dimension, System.out, null);

      String z = "z";
      Variable zVar = ncfile.findVariable(z);
      Array zData = zVar.read();
      NCdump.printArray(zData, z, System.out, null);

      int count = 0;
      // for (int x=0;x<94;x++)
      for (int x = 0; x < 30; x++) // 106.92 km
      {
        // for (int y=0;y<108;y++)
        for (int y = 0; y < 30; y++) // 93.06 km
        {
          double item = zData.getDouble(count);
          long percent = Math.round(item * 100);
          if (percent < 0) {
            percent = 0;
          }
          String percentStr = new Integer((int) percent).toString();
          if (percentStr.length() == 1) {
            percentStr = "0" + percentStr;
          }
          if (percentStr.equals("00")) {
            percentStr = "  ";
          }

          // System.out.println(x + " " + y + " " + item);
          System.out.print(" " + percentStr);
          count++;
        }
        System.out.println();
      }

    } catch (IOException ioe) {
      ioe.printStackTrace();
    }
  }