Package ucar.nc2.iosp.hdf5

Source Code of ucar.nc2.iosp.hdf5.TestN4

/*
* 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
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package ucar.nc2.iosp.hdf5;

import junit.framework.*;
import ucar.ma2.InvalidRangeException;
import ucar.ma2.Section;
import ucar.nc2.*;
import ucar.ma2.Array;
import ucar.nc2.dt.GridDatatype;
import ucar.nc2.dt.grid.GridDataset;
import ucar.nc2.util.Misc;

import java.io.*;
import java.util.Collections;
import java.util.List;

/**
* Test nc2 read JUnit framework.
*/

public class TestN4 extends TestCase {
  public static String testDir = TestAll.cdmUnitTestDir + "formats/netcdf4/";
  public TestN4(String name) {
    super(name);
  }

  public void testGlobalHeapOverun() throws IOException {
    // Global Heap 1t 13059 runs out with no heap id = 0
    String filename = testDir+"globalHeapOverrun.nc4";
    NetcdfFile ncfile = TestNC2.open(filename);
    System.out.println("\n**** testGlobalHeapOverun done\n\n" + ncfile);
    List<Variable> vars = ncfile.getVariables();
    Collections.sort(vars);
    for (Variable v : vars) System.out.println(" "+v.getFullName());
    System.out.println("nvars = "+ncfile.getVariables().size());
    ncfile.close();
  }

  // margolis@ucar.edu
  // I really don't think this is a problem with your code
  // may be bug in HDF5 1.8.4-patch1
  public void utestTiling() throws IOException {
    // Global Heap 1t 13059 runs out with no heap id = 0
    String filename = testDir+"tiling.nc4";
    GridDataset gridDataset = GridDataset.open(filename);
    GridDatatype grid = gridDataset.findGridByName("Turbulence_SIGMET_AIRMET" );
    System.out.printf("grid=%s%n", grid);
    grid.readDataSlice( 4, 13, 176, 216 ); // FAILS
    gridDataset.close();
  }

  public void testOpen() throws IOException {
    //H5header.setDebugFlags(new ucar.nc2.util.DebugFlagsImpl("H5header/header"));
    String filename = testDir+"tst/tst_enums.nc";
    NetcdfFile ncfile = TestNC2.open(filename);
    System.out.println("\n**** testReadNetcdf4 done\n\n" + ncfile);
    List<Variable> vars = ncfile.getVariables();
    Collections.sort(vars);
    for (Variable v : vars) System.out.println(" "+v.getFullName());
    System.out.println("nvars = "+ncfile.getVariables().size());
    ncfile.close();
  }

  public void testReadAll() throws IOException {
    TestAll.readAllDir(testDir+"nc4", null);
    TestAll.readAllDir(testDir+"nc4-classic", null);
    TestAll.readAllDir(testDir+"files", null);
  }

  public void problem() throws IOException {
    //H5iosp.setDebugFlags(new ucar.nc2.util.DebugFlagsImpl("H5iosp/read"));
    //H5header.setDebugFlags(new ucar.nc2.util.DebugFlagsImpl("H5header/header"));
    String filename = testDir+"files/nctest_64bit_offset.nc";
    TestAll.readAll(filename);
    NetcdfFile ncfile = TestNC2.open(filename);
    System.out.println(ncfile.toString());
    //Variable v = ncfile.findVariable("cr");
    //Array data = v.read();
  }

  public void utestEnum() throws IOException {
    H5header.setDebugFlags(new ucar.nc2.util.DebugFlagsImpl("H5header/header"));
    String filename = testDir+"nc4/tst_enum_data.nc";
    NetcdfFile ncfile = TestNC2.open(filename);
    Variable v = ncfile.findVariable("primary_cloud");                       
    Array data = v.read();
    System.out.println("\n**** testReadNetcdf4 done\n\n" + ncfile);
    NCdumpW.printArray(data, "primary_cloud", new PrintWriter( System.out), null);
    ncfile.close();
  }

  public void testVlenStrings() throws IOException {
    //H5header.setDebugFlags(new ucar.nc2.util.DebugFlagsImpl("H5header/header"));
    String filename = testDir+"tst/tst_strings.nc";
    NetcdfFile ncfile = TestNC2.open(filename);
    System.out.println("\n**** testReadNetcdf4 done\n\n" + ncfile);
    Variable v = ncfile.findVariable("measure_for_measure_var");
    Array data = v.read();
    NCdumpW.printArray(data, "measure_for_measure_var"new PrintWriter( System.out), null);
    ncfile.close();
  }

  public void testVlen() throws IOException, InvalidRangeException {
    //H5header.setDebugFlags(new ucar.nc2.util.DebugFlagsImpl("H5header/header"));
    //String filename = "C:/data/work/bruno/fpsc_d1wave_24-11.nc";
    String filename = testDir+"vlen/fpcs_1dwave_2.nc";
    NetcdfFile ncfile = TestNC2.open(filename);
    System.out.println("\n**** testReadNetcdf4 done\n\n" + ncfile);
    Variable v = ncfile.findVariable("levels");
    Array data = v.read();
    NCdumpW.printArray(data, "read()"new PrintWriter( System.out), null);

    int  count = 0;
    while (data.hasNext()) {
      Array as = (Array) data.next();
      NCdumpW.printArray(as, " "+count,  new PrintWriter( System.out), null);
      count++;
    }

    // try subset
    data = v.read("0:9:2, :");
    NCdumpW.printArray(data, "read(0:9:2,:)"new PrintWriter( System.out), null);

    data = v.read(new Section().appendRange(0,9,2).appendRange(null));
    NCdumpW.printArray(data, "read(Section)"new PrintWriter( System.out), null);

    // fail
    //int[] origin = new int[] {0, 0};
    //int[] size = new int[] {3, -1};
    //data = v.read(origin, size);

    // from bruno
    int initialIndex = 5;
    int finalIndex = 5;
    data = v.read(initialIndex + ":" + finalIndex + ",:");
    //NCdumpW.printArray(data, "read()",  new PrintWriter(System.out), null);

    System.out.println("Size: " + data.getSize());
    System.out.println("Data: " + data);
    System.out.println("Class: " + data.getClass().getName());
    // loop over outer dimension

    int x = 0;
    while (data.hasNext()) {
      Array as = (Array) data.next(); // inner variable length array of short
      System.out.println("Shape: " + new Section(as.getShape()));
      System.out.println(as);
    }


    ncfile.close();
  }

  // LOOK this ones failing
  public void utestCompoundVlens() throws IOException {
    //H5header.setDebugFlags(new ucar.nc2.util.DebugFlagsImpl("H5header/header"));
    String filename = testDir+"vlen/cdm_sea_soundings.nc4";
    NetcdfFile ncfile = TestNC2.open(filename);
    System.out.println("\n**** testReadNetcdf4 done\n\n" + ncfile);
    Variable v = ncfile.findVariable("fun_soundings");
    Array data = v.read();
    NCdumpW.printArray(data, "fun_soundings"new PrintWriter( System.out), null);
    ncfile.close();
  }

  public void testStrings() throws IOException {
    //H5header.setDebugFlags(new ucar.nc2.util.DebugFlagsImpl("H5header/header"));
    String filename = testDir+"files/nc_test_netcdf4.nc4";
    NetcdfFile ncfile = TestNC2.open(filename);
    System.out.println("\n**** testReadNetcdf4 done\n\n" + ncfile);
    Variable v = ncfile.findVariable("d");
    String attValue = ncfile.findAttValueIgnoreCase(v, "c", null);
    String s = Misc.showBytes(attValue.getBytes());
    System.out.println(" d:c= ("+attValue+") = "+s);
    //Array data = v.read();
    //NCdumpW.printArray(data, "cr", System.out, null);
    ncfile.close();
  }

  public static void main(String args[]) throws IOException {
    new TestN4("").problem();
  }

}
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