@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));
}
/** @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();
}
/**
* 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));
}