@Test
  public void testThreeGeoTIFFStringTags() {
    metadata.addGeoAscii(2300, "4576");
    metadata.addGeoAscii(2400, "aaaaaaaa");
    metadata.addGeoAscii(2401, "bbbb");

    final List<TIFFField> list = Utils.createGeoTIFFFields(metadata);

    assertNotNull(list);
    assertEquals(2, list.size());

    final TIFFField dirField = list.get(0);
    final TIFFField asciiField = list.get(1);

    assertEquals(GeoTIFFTagSet.TAG_GEO_KEY_DIRECTORY, dirField.getTag());
    assertEquals(GeoTIFFTagSet.TAG_GEO_ASCII_PARAMS, asciiField.getTag());

    assertEquals(TIFFField.TIFF_SHORT, dirField.getType());
    assertEquals(TIFFField.TIFF_ASCII, asciiField.getType());

    assertEquals(16, dirField.getCount());
    assertEquals(3, asciiField.getCount());

    final char[] expected = {
      1, 1, 2, 3,
      2300, GeoTIFFTagSet.TAG_GEO_ASCII_PARAMS, 5, 0,
      2400, GeoTIFFTagSet.TAG_GEO_ASCII_PARAMS, 9, 5,
      2401, GeoTIFFTagSet.TAG_GEO_ASCII_PARAMS, 5, 14
    };
    assertArrayEquals(expected, dirField.getAsChars());
    assertEquals("4576|", asciiField.getAsString(0));
    assertEquals("aaaaaaaa|", asciiField.getAsString(1));
    assertEquals("bbbb|", asciiField.getAsString(2));
  }
  @Test
  public void testThreeGeoTIFFTagsWithOneAscii() {
    metadata.addGeoShortParam(2300, 4576);
    metadata.addGeoAscii(2400, "String");
    metadata.addGeoShortParam(2401, 3456);

    final List<TIFFField> list = Utils.createGeoTIFFFields(metadata);

    assertNotNull(list);
    assertEquals(2, list.size());

    final TIFFField dirField = list.get(0);
    final TIFFField asciiField = list.get(1);

    assertEquals(GeoTIFFTagSet.TAG_GEO_KEY_DIRECTORY, dirField.getTag());
    assertEquals(GeoTIFFTagSet.TAG_GEO_ASCII_PARAMS, asciiField.getTag());

    assertEquals(TIFFField.TIFF_SHORT, dirField.getType());
    assertEquals(TIFFField.TIFF_ASCII, asciiField.getType());

    assertEquals(16, dirField.getCount());
    assertEquals(1, asciiField.getCount());

    final char[] expected = {
      1, 1, 2, 3,
      2300, 0, 1, 4576,
      2400, GeoTIFFTagSet.TAG_GEO_ASCII_PARAMS, 7, 0,
      2401, 0, 1, 3456
    };
    assertArrayEquals(expected, dirField.getAsChars());
    assertEquals("String|", asciiField.getAsString(0));
  }
Exemplo n.º 3
0
  /** @return the crs as a string */
  public String getHumanReadableCoordinateSystem() {

    StringBuilder sb = new StringBuilder();

    if (this.geoKeyDirectoryTag.containsKey(new Integer(GeoTiffKey.PCSCitationGeoKey))) {

      int[] key_entry = this.geoKeyDirectoryTag.get(new Integer(GeoTiffKey.PCSCitationGeoKey));

      // check if value of field is located in GeoAsciiParamsTag (34737)
      if (key_entry[0] == GeoTiffTag.GeoAsciiParamsTag) {
        TIFFField field = this.tifdir.getField(GeoTiffTag.GeoAsciiParamsTag);

        int ascii_length = key_entry[1];
        int ascii_start = key_entry[2];

        // return the string between the two byte-locations - 1 (the
        // last '|')
        String s = field.getAsString(0);
        if (s != null) {
          sb.append(s.substring(ascii_start, ascii_length - 1));
        }

      } else {
        sb.append("No asci crs field is located in GeoAsciiParamsTag (");
        sb.append(GeoTiffKey.PCSCitationGeoKey).append(").");
      }
    } else {
      sb.append("<empty>");
    }

    // GeogCitationGeoKey

    return sb.toString();
  }
Exemplo n.º 4
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  /**
   * GeoAsciiParamsTag: <br>
   * Tag = 34737 (87B1.H) <br>
   * Type = ASCII <br>
   * Owner: SPOT Image, Inc. <br>
   * N = variable
   *
   * <p>This tag is used to store all of the DOUBLE valued GeoKeys, referenced by the
   * GeoKeyDirectoryTag. The meaning of any value of this double array is determined from the
   * GeoKeyDirectoryTag reference pointing to it. FLOAT values should first be converted to DOUBLE
   * and stored here.
   *
   * <p>A baseline GeoTIFF-reader must check for and convert the final "|" pipe character of a key
   * back into a NULL before returning it to the client software.
   *
   * @return the fields
   */
  public String[] getGeoAsciiParamsTag() {

    // TODO: getGeoAsciiParamsTag(int count, int value_offset)!!!

    TIFFField field = this.tifdir.getField(GeoTiffTag.GeoAsciiParamsTag);
    String gapt = field.getAsString(0);

    LOG.debug(gapt);

    StringTokenizer st = new StringTokenizer(gapt, "|");

    LOG.debug("countTokens: " + st.countTokens());

    String[] gapt_fields = new String[st.countTokens()];
    int i = 0;
    while (st.hasMoreTokens()) {
      gapt_fields[i++] = st.nextToken();
    }

    for (int j = 0; j < gapt_fields.length; j++) {
      LOG.debug(gapt_fields[j]);
    }

    return gapt_fields;
  }
  @Test
  public void testThreeGeoTIFFTagsWithOneDoubleAndOneString() {
    metadata.addGeoShortParam(2300, 4576);
    metadata.addGeoDoubleParam(2400, 4.5);
    metadata.addGeoAscii(2401, "dlkjfg");

    final List<TIFFField> list = Utils.createGeoTIFFFields(metadata);

    assertNotNull(list);
    assertEquals(3, list.size());

    final TIFFField dirField = list.get(0);
    final TIFFField doubleField = list.get(1);
    final TIFFField asciiField = list.get(2);

    assertEquals(GeoTIFFTagSet.TAG_GEO_KEY_DIRECTORY, dirField.getTag());
    assertEquals(GeoTIFFTagSet.TAG_GEO_DOUBLE_PARAMS, doubleField.getTag());
    assertEquals(GeoTIFFTagSet.TAG_GEO_ASCII_PARAMS, asciiField.getTag());

    assertEquals(TIFFField.TIFF_SHORT, dirField.getType());
    assertEquals(TIFFField.TIFF_DOUBLE, doubleField.getType());
    assertEquals(TIFFField.TIFF_ASCII, asciiField.getType());

    assertEquals(16, dirField.getCount());
    assertEquals(1, doubleField.getCount());
    assertEquals(1, asciiField.getCount());

    final char[] expected = {
      1,
      1,
      2,
      3,
      2300,
      0,
      1,
      4576,
      2400,
      GeoTIFFTagSet.TAG_GEO_DOUBLE_PARAMS,
      1,
      0,
      2401,
      GeoTIFFTagSet.TAG_GEO_ASCII_PARAMS,
      7,
      0
    };
    assertArrayEquals(expected, dirField.getAsChars());
    assertEquals(true, Arrays.equals(new double[] {4.5}, doubleField.getAsDoubles()));
    assertEquals("dlkjfg|", asciiField.getAsString(0));
  }