private void writeGeographicImageGeoKeys(ArrayList<TiffIFDEntry> ifds, AVList params)
throws IOException {
long offset = this.theChannel.position();
if (isImage(params) && isGeographic(params)) {
int epsg = GeoTiff.GCS.WGS_84;
if (params.hasKey(AVKey.PROJECTION_EPSG_CODE))
epsg = (Integer) params.getValue(AVKey.PROJECTION_EPSG_CODE);
short[] values =
new short[] {
// GeoKeyDirectory header
GeoTiff.GeoKeyHeader.KeyDirectoryVersion,
GeoTiff.GeoKeyHeader.KeyRevision,
GeoTiff.GeoKeyHeader.MinorRevision,
0, // IMPORTANT!! we will update count below, after the array initialization
// end of header -
// geo keys array
/* key 1 */
GeoTiff.GeoKey.ModelType,
0,
1,
GeoTiff.ModelType.Geographic,
/* key 2 */
GeoTiff.GeoKey.RasterType,
0,
1,
(short) (0xFFFF & GeoTiff.RasterType.RasterPixelIsArea),
/* key 3 */
GeoTiff.GeoKey.GeographicType,
0,
1,
(short) (0xFFFF & epsg),
/* key 4 */
GeoTiff.GeoKey.GeogAngularUnits,
0,
1,
GeoTiff.Unit.Angular.Angular_Degree
};
// IMPORTANT!! update count - number of geokeys
values[3] = (short) (values.length / 4);
byte[] bytes = this.getBytes(values);
this.theChannel.write(ByteBuffer.wrap(bytes));
ifds.add(
new TiffIFDEntry(GeoTiff.Tag.GEO_KEY_DIRECTORY, Tiff.Type.SHORT, values.length, offset));
}
}
private void writeGeographicElevationGeoKeys(ArrayList<TiffIFDEntry> ifds, AVList params)
throws IOException {
long offset = this.theChannel.position();
if (isElevation(params) && isGeographic(params)) {
int epsg = GeoTiff.GCS.WGS_84;
if (params.hasKey(AVKey.PROJECTION_EPSG_CODE))
epsg = (Integer) params.getValue(AVKey.PROJECTION_EPSG_CODE);
int elevUnits = GeoTiff.Unit.Linear.Meter;
if (params.hasKey(AVKey.ELEVATION_UNIT)) {
if (AVKey.UNIT_FOOT.equals(params.getValue(AVKey.ELEVATION_UNIT)))
elevUnits = GeoTiff.Unit.Linear.Foot;
}
int rasterType = GeoTiff.RasterType.RasterPixelIsArea;
if (params.hasKey(AVKey.RASTER_PIXEL)
&& AVKey.RASTER_PIXEL_IS_POINT.equals(params.getValue(AVKey.RASTER_PIXEL)))
rasterType = GeoTiff.RasterType.RasterPixelIsPoint;
short[] values =
new short[] {
// GeoKeyDirectory header
GeoTiff.GeoKeyHeader.KeyDirectoryVersion,
GeoTiff.GeoKeyHeader.KeyRevision,
GeoTiff.GeoKeyHeader.MinorRevision,
0, // IMPORTANT!! we will update count below, after the array initialization
// end of header -
// geo keys array
/* key 1 */
GeoTiff.GeoKey.ModelType,
0,
1,
GeoTiff.ModelType.Geographic,
/* key 2 */
// TODO: Replace GeoTiff.RasterType.RasterPixelIsPoint
GeoTiff.GeoKey.RasterType,
0,
1,
(short) (0xFFFF & rasterType),
/* key 3 */
GeoTiff.GeoKey.GeographicType,
0,
1,
(short) (0xFFFF & epsg),
/* key 4 */
GeoTiff.GeoKey.GeogAngularUnits,
0,
1,
GeoTiff.Unit.Angular.Angular_Degree,
/* key 5 */
GeoTiff.GeoKey.VerticalCSType,
0,
1,
GeoTiff.VCS.WGS_84_ellipsoid,
/* key 6 */
GeoTiff.GeoKey.VerticalUnits,
0,
1,
(short) (0xFFFF & elevUnits),
};
// IMPORTANT!! update count - number of geokeys
values[3] = (short) (values.length / 4);
byte[] bytes = this.getBytes(values);
this.theChannel.write(ByteBuffer.wrap(bytes));
ifds.add(
new TiffIFDEntry(GeoTiff.Tag.GEO_KEY_DIRECTORY, Tiff.Type.SHORT, values.length, offset));
}
}
private void appendGeoTiff(ArrayList<TiffIFDEntry> ifds, AVList params)
throws IOException, IllegalArgumentException {
if (null == params || 0 == params.getEntries().size()) {
String reason = Logging.getMessage("nullValue.AVListIsNull");
Logging.logger().finest(Logging.getMessage("GeotiffWriter.GeoKeysMissing", reason));
return;
}
long offset = this.theChannel.position();
if (params.hasKey(AVKey.DISPLAY_NAME)) {
String value = params.getStringValue(AVKey.DISPLAY_NAME);
if (null != value && 0 < value.trim().length()) {
offset = this.theChannel.position();
byte[] bytes = value.trim().getBytes();
this.theChannel.write(ByteBuffer.wrap(bytes));
ifds.add(new TiffIFDEntry(Tiff.Tag.DOCUMENT_NAME, Tiff.Type.ASCII, bytes.length, offset));
}
}
if (params.hasKey(AVKey.DESCRIPTION)) {
String value = params.getStringValue(AVKey.DESCRIPTION);
if (null != value && 0 < value.trim().length()) {
offset = this.theChannel.position();
byte[] bytes = value.trim().getBytes();
this.theChannel.write(ByteBuffer.wrap(bytes));
ifds.add(
new TiffIFDEntry(Tiff.Tag.IMAGE_DESCRIPTION, Tiff.Type.ASCII, bytes.length, offset));
}
}
if (params.hasKey(AVKey.VERSION)) {
String value = params.getStringValue(AVKey.VERSION);
if (null != value && 0 < value.trim().length()) {
offset = this.theChannel.position();
byte[] bytes = value.trim().getBytes();
this.theChannel.write(ByteBuffer.wrap(bytes));
ifds.add(
new TiffIFDEntry(Tiff.Tag.SOFTWARE_VERSION, Tiff.Type.ASCII, bytes.length, offset));
}
}
if (params.hasKey(AVKey.DATE_TIME)) {
String value = params.getStringValue(AVKey.DATE_TIME);
if (null != value && 0 < value.trim().length()) {
offset = this.theChannel.position();
byte[] bytes = value.getBytes();
this.theChannel.write(ByteBuffer.wrap(bytes));
ifds.add(new TiffIFDEntry(Tiff.Tag.DATE_TIME, Tiff.Type.ASCII, bytes.length, offset));
}
}
if (params.hasKey(AVKey.SECTOR)) {
if (params.hasKey(AVKey.PIXEL_WIDTH) && params.hasKey(AVKey.PIXEL_HEIGHT)) {
offset = this.theChannel.position();
double[] values =
new double[] {
(Double) params.getValue(AVKey.PIXEL_WIDTH),
(Double) params.getValue(AVKey.PIXEL_HEIGHT),
isElevation(params) ? 1d : 0d
};
byte[] bytes = this.getBytes(values);
this.theChannel.write(ByteBuffer.wrap(bytes));
ifds.add(
new TiffIFDEntry(
GeoTiff.Tag.MODEL_PIXELSCALE, Tiff.Type.DOUBLE, values.length, offset));
}
if (params.hasKey(AVKey.WIDTH) && params.hasKey(AVKey.HEIGHT)) {
offset = this.theChannel.position();
double w = (Integer) params.getValue(AVKey.WIDTH);
double h = (Integer) params.getValue(AVKey.HEIGHT);
Sector sec = (Sector) params.getValue(AVKey.SECTOR);
double[] values =
new double[] { // i , j, k=0, x, y, z=0
0d,
0d,
0d,
sec.getMinLongitude().degrees,
sec.getMaxLatitude().degrees,
0d,
w - 1,
0d,
0d,
sec.getMaxLongitude().degrees,
sec.getMaxLatitude().degrees,
0d,
w - 1,
h - 1,
0d,
sec.getMaxLongitude().degrees,
sec.getMinLatitude().degrees,
0d,
0d,
h - 1,
0d,
sec.getMinLongitude().degrees,
sec.getMinLatitude().degrees,
0d,
};
byte[] bytes = this.getBytes(values);
this.theChannel.write(ByteBuffer.wrap(bytes));
ifds.add(
new TiffIFDEntry(GeoTiff.Tag.MODEL_TIEPOINT, Tiff.Type.DOUBLE, values.length, offset));
}
// Tiff.Tag.MODEL_TRANSFORMATION excludes Tiff.Tag.MODEL_TIEPOINT & Tiff.Tag.MODEL_PIXELSCALE
if (params.hasKey(AVKey.MISSING_DATA_SIGNAL)
|| params.hasKey(AVKey.MISSING_DATA_REPLACEMENT)) {
offset = this.theChannel.position();
Object nodata =
params.hasKey(AVKey.MISSING_DATA_SIGNAL)
? params.getValue(AVKey.MISSING_DATA_SIGNAL)
: params.getValue(AVKey.MISSING_DATA_REPLACEMENT);
String value = "" + nodata + "\0";
byte[] bytes = value.getBytes();
this.theChannel.write(ByteBuffer.wrap(bytes));
ifds.add(new TiffIFDEntry(GeoTiff.Tag.GDAL_NODATA, Tiff.Type.ASCII, bytes.length, offset));
}
if (params.hasKey(AVKey.COORDINATE_SYSTEM)) {
String cs = params.getStringValue(AVKey.COORDINATE_SYSTEM);
if (AVKey.COORDINATE_SYSTEM_GEOGRAPHIC.equals(cs)) {
if (isElevation(params)) this.writeGeographicElevationGeoKeys(ifds, params);
else this.writeGeographicImageGeoKeys(ifds, params);
} else if (AVKey.COORDINATE_SYSTEM_PROJECTED.equals(cs)) {
String msg = Logging.getMessage("GeotiffWriter.FeatureNotImplementedd", cs);
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
// TODO extract PCS (Projection Coordinate System)
} else {
String msg = Logging.getMessage("GeotiffWriter.UnknownCoordinateSystem", cs);
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
}
}
}
private void writeGrayscaleImage(BufferedImage image, AVList params) throws IOException {
int type = image.getType();
int bitsPerSample =
(BufferedImage.TYPE_USHORT_GRAY == type)
? Tiff.BitsPerSample.MONOCHROME_UINT16
: Tiff.BitsPerSample.MONOCHROME_UINT8;
int numBands = image.getSampleModel().getNumBands();
// well, numBands for GrayScale images must be 1
int bytesPerSample = numBands * bitsPerSample / Byte.SIZE;
this.writeTiffHeader();
// write the image data...
int numRows = image.getHeight();
int numCols = image.getWidth();
int[] stripCounts = new int[numRows];
int[] stripOffsets = new int[numRows];
ByteBuffer dataBuff = ByteBuffer.allocateDirect(numCols * bytesPerSample);
Raster rast = image.getRaster();
for (int i = 0; i < numRows; i++) {
stripOffsets[i] = (int) this.theChannel.position();
stripCounts[i] = numCols * bytesPerSample;
int[] rowData = rast.getPixels(0, i, image.getWidth(), 1, (int[]) null);
dataBuff.clear();
if (BufferedImage.TYPE_USHORT_GRAY == type) {
for (int j = 0; j < numCols * numBands; j++) {
this.putUnsignedShort(dataBuff, rowData[j]);
}
} else if (BufferedImage.TYPE_BYTE_GRAY == type) {
for (int j = 0; j < numCols * numBands; j++) {
this.putUnsignedByte(dataBuff, rowData[j]);
}
}
dataBuff.flip();
this.theChannel.write(dataBuff);
}
// write out values for the tiff tags and build up the IFD. These are supposed to be sorted; for
// now
// do this manually here.
ArrayList<TiffIFDEntry> ifds = new ArrayList<TiffIFDEntry>(10);
ifds.add(new TiffIFDEntry(Tiff.Tag.IMAGE_WIDTH, Tiff.Type.LONG, 1, numCols));
ifds.add(new TiffIFDEntry(Tiff.Tag.IMAGE_LENGTH, Tiff.Type.LONG, 1, numRows));
ifds.add(new TiffIFDEntry(Tiff.Tag.BITS_PER_SAMPLE, Tiff.Type.SHORT, 1, bitsPerSample));
ifds.add(new TiffIFDEntry(Tiff.Tag.COMPRESSION, Tiff.Type.LONG, 1, Tiff.Compression.NONE));
ifds.add(
new TiffIFDEntry(
Tiff.Tag.PHOTO_INTERPRETATION,
Tiff.Type.SHORT,
1,
Tiff.Photometric.Grayscale_BlackIsZero));
ifds.add(
new TiffIFDEntry(Tiff.Tag.SAMPLE_FORMAT, Tiff.Type.SHORT, 1, Tiff.SampleFormat.UNSIGNED));
long offset = this.theChannel.position();
dataBuff = ByteBuffer.allocateDirect(stripOffsets.length * INTEGER_SIZEOF);
for (int stripOffset : stripOffsets) {
dataBuff.putInt(stripOffset);
}
dataBuff.flip();
this.theChannel.write(dataBuff);
ifds.add(new TiffIFDEntry(Tiff.Tag.STRIP_OFFSETS, Tiff.Type.LONG, stripOffsets.length, offset));
ifds.add(new TiffIFDEntry(Tiff.Tag.SAMPLES_PER_PIXEL, Tiff.Type.SHORT, 1, numBands));
ifds.add(new TiffIFDEntry(Tiff.Tag.ROWS_PER_STRIP, Tiff.Type.LONG, 1, 1));
offset = this.theChannel.position();
dataBuff.clear(); // stripOffsets and stripCounts are same length by design; can reuse the
// ByteBuffer...
for (int stripCount : stripCounts) {
dataBuff.putInt(stripCount);
}
dataBuff.flip();
this.theChannel.write(dataBuff);
ifds.add(
new TiffIFDEntry(Tiff.Tag.STRIP_BYTE_COUNTS, Tiff.Type.LONG, stripCounts.length, offset));
this.appendGeoTiff(ifds, params);
this.writeIFDs(ifds);
}
private void writeColorImage(BufferedImage image, AVList params) throws IOException {
int numBands = image.getRaster().getNumBands();
long offset;
this.writeTiffHeader();
// write the image data...
int numRows = image.getHeight();
int numCols = image.getWidth();
int[] stripCounts = new int[numRows];
int[] stripOffsets = new int[numRows];
ByteBuffer dataBuff = ByteBuffer.allocateDirect(numCols * numBands);
Raster rast = image.getRaster();
for (int i = 0; i < numRows; i++) {
stripOffsets[i] = (int) this.theChannel.position();
stripCounts[i] = numCols * numBands;
int[] rowData = rast.getPixels(0, i, image.getWidth(), 1, (int[]) null);
dataBuff.clear();
for (int j = 0; j < numCols * numBands; j++) {
putUnsignedByte(dataBuff, rowData[j]);
}
dataBuff.flip();
this.theChannel.write(dataBuff);
}
// write out values for the tiff tags and build up the IFD. These are supposed to be sorted; for
// now
// do this manually here.
ArrayList<TiffIFDEntry> ifds = new ArrayList<TiffIFDEntry>(10);
ifds.add(new TiffIFDEntry(Tiff.Tag.IMAGE_WIDTH, Tiff.Type.LONG, 1, numCols));
ifds.add(new TiffIFDEntry(Tiff.Tag.IMAGE_LENGTH, Tiff.Type.LONG, 1, numRows));
ifds.add(
new TiffIFDEntry(
Tiff.Tag.PLANAR_CONFIGURATION, Tiff.Type.SHORT, 1, Tiff.PlanarConfiguration.CHUNKY));
ifds.add(new TiffIFDEntry(Tiff.Tag.SAMPLES_PER_PIXEL, Tiff.Type.SHORT, 1, numBands));
ifds.add(new TiffIFDEntry(Tiff.Tag.COMPRESSION, Tiff.Type.LONG, 1, Tiff.Compression.NONE));
ifds.add(
new TiffIFDEntry(
Tiff.Tag.PHOTO_INTERPRETATION, Tiff.Type.SHORT, 1, Tiff.Photometric.Color_RGB));
ifds.add(new TiffIFDEntry(Tiff.Tag.ORIENTATION, Tiff.Type.SHORT, 1, Tiff.Orientation.DEFAULT));
offset = this.theChannel.position();
short[] bps = new short[numBands];
for (int i = 0; i < numBands; i++) {
bps[i] = Tiff.BitsPerSample.MONOCHROME_BYTE;
}
this.theChannel.write(ByteBuffer.wrap(this.getBytes(bps)));
ifds.add(new TiffIFDEntry(Tiff.Tag.BITS_PER_SAMPLE, Tiff.Type.SHORT, numBands, offset));
offset = this.theChannel.position();
dataBuff = ByteBuffer.allocateDirect(stripOffsets.length * INTEGER_SIZEOF);
for (int stripOffset : stripOffsets) {
dataBuff.putInt(stripOffset);
}
dataBuff.flip();
this.theChannel.write(dataBuff);
ifds.add(new TiffIFDEntry(Tiff.Tag.STRIP_OFFSETS, Tiff.Type.LONG, stripOffsets.length, offset));
ifds.add(new TiffIFDEntry(Tiff.Tag.ROWS_PER_STRIP, Tiff.Type.LONG, 1, 1));
offset = this.theChannel.position();
dataBuff.clear();
// stripOffsets and stripCounts are same length by design; can reuse the ByteBuffer...
for (int stripCount : stripCounts) {
dataBuff.putInt(stripCount);
}
dataBuff.flip();
this.theChannel.write(dataBuff);
ifds.add(
new TiffIFDEntry(Tiff.Tag.STRIP_BYTE_COUNTS, Tiff.Type.LONG, stripCounts.length, offset));
this.appendGeoTiff(ifds, params);
this.writeIFDs(ifds);
}
public void writeRaster(BufferWrapperRaster raster) throws IOException, IllegalArgumentException {
if (raster == null) {
String msg = Logging.getMessage("nullValue.RasterIsNull");
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
if (0 == raster.getWidth() || 0 == raster.getHeight()) {
String msg =
Logging.getMessage("generic.InvalidImageSize", raster.getWidth(), raster.getHeight());
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
this.validateParameters(raster, raster.getWidth(), raster.getHeight());
int bitsPerSample, samplesPerPixel, sampleFormat, photometric, numBands;
if (AVKey.ELEVATION.equals(raster.getValue(AVKey.PIXEL_FORMAT))) {
if (AVKey.FLOAT32.equals(raster.getValue(AVKey.DATA_TYPE))) {
numBands = 1;
samplesPerPixel = Tiff.SamplesPerPixel.MONOCHROME;
sampleFormat = Tiff.SampleFormat.IEEEFLOAT;
photometric = Tiff.Photometric.Grayscale_BlackIsZero;
bitsPerSample = Tiff.BitsPerSample.ELEVATIONS_FLOAT32;
} else if (AVKey.INT16.equals(raster.getValue(AVKey.DATA_TYPE))) {
numBands = 1;
samplesPerPixel = Tiff.SamplesPerPixel.MONOCHROME;
sampleFormat = Tiff.SampleFormat.SIGNED;
photometric = Tiff.Photometric.Grayscale_BlackIsZero;
bitsPerSample = Tiff.BitsPerSample.ELEVATIONS_INT16;
} else {
String msg =
Logging.getMessage("GeotiffWriter.UnsupportedType", raster.getValue(AVKey.DATA_TYPE));
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
} else if (AVKey.IMAGE.equals(raster.getValue(AVKey.PIXEL_FORMAT))) {
if (AVKey.INT8.equals(raster.getValue(AVKey.DATA_TYPE))) {
numBands = 1;
samplesPerPixel = Tiff.SamplesPerPixel.MONOCHROME;
sampleFormat = Tiff.SampleFormat.UNSIGNED;
photometric = Tiff.Photometric.Grayscale_BlackIsZero;
bitsPerSample = Tiff.BitsPerSample.MONOCHROME_UINT8;
} else if (AVKey.INT16.equals(raster.getValue(AVKey.DATA_TYPE))) {
numBands = 1;
samplesPerPixel = Tiff.SamplesPerPixel.MONOCHROME;
sampleFormat = Tiff.SampleFormat.UNSIGNED;
photometric = Tiff.Photometric.Grayscale_BlackIsZero;
bitsPerSample = Tiff.BitsPerSample.MONOCHROME_UINT16;
} else if (AVKey.INT32.equals(raster.getValue(AVKey.DATA_TYPE))) {
numBands = 3;
// TODO check ALPHA / Transparency
samplesPerPixel = Tiff.SamplesPerPixel.RGB;
sampleFormat = Tiff.SampleFormat.UNSIGNED;
photometric = Tiff.Photometric.Color_RGB;
bitsPerSample = Tiff.BitsPerSample.RGB;
} else {
String msg =
Logging.getMessage("GeotiffWriter.UnsupportedType", raster.getValue(AVKey.DATA_TYPE));
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
} else {
String msg =
Logging.getMessage("GeotiffWriter.UnsupportedType", raster.getValue(AVKey.PIXEL_FORMAT));
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
int bytesPerSample = numBands * bitsPerSample / Byte.SIZE;
this.writeTiffHeader();
// write the image data...
int numRows = raster.getHeight();
int numCols = raster.getWidth();
int[] stripCounts = new int[numRows];
int[] stripOffsets = new int[numRows];
BufferWrapper srcBuffer = raster.getBuffer();
ByteBuffer dataBuff = ByteBuffer.allocateDirect(numCols * bytesPerSample);
switch (bitsPerSample) {
// case Tiff.BitsPerSample.MONOCHROME_BYTE:
case Tiff.BitsPerSample.MONOCHROME_UINT8:
{
for (int y = 0; y < numRows; y++) {
stripOffsets[y] = (int) this.theChannel.position();
stripCounts[y] = numCols * bytesPerSample;
dataBuff.clear();
for (int x = 0; x < numCols * numBands; x++) {
dataBuff.put(srcBuffer.getByte(x + y * numCols));
}
dataBuff.flip();
this.theChannel.write(dataBuff);
}
}
break;
// case Tiff.BitsPerSample.MONOCHROME_UINT16:
case Tiff.BitsPerSample.ELEVATIONS_INT16:
{
for (int y = 0; y < numRows; y++) {
stripOffsets[y] = (int) this.theChannel.position();
stripCounts[y] = numCols * bytesPerSample;
dataBuff.clear();
for (int x = 0; x < numCols * numBands; x++) {
dataBuff.putShort(srcBuffer.getShort(x + y * numCols));
}
dataBuff.flip();
this.theChannel.write(dataBuff);
}
}
break;
case Tiff.BitsPerSample.ELEVATIONS_FLOAT32:
{
for (int y = 0; y < numRows; y++) {
stripOffsets[y] = (int) this.theChannel.position();
stripCounts[y] = numCols * bytesPerSample;
dataBuff.clear();
for (int x = 0; x < numCols * numBands; x++) {
dataBuff.putFloat(srcBuffer.getFloat(x + y * numCols));
}
dataBuff.flip();
this.theChannel.write(dataBuff);
}
}
break;
case Tiff.BitsPerSample.RGB:
{
for (int y = 0; y < numRows; y++) {
stripOffsets[y] = (int) this.theChannel.position();
stripCounts[y] = numCols * bytesPerSample;
dataBuff.clear();
for (int x = 0; x < numCols; x++) {
int color = srcBuffer.getInt(x + y * numCols);
byte red = (byte) (0xFF & (color >> 16));
byte green = (byte) (0xFF & (color >> 8));
byte blue = (byte) (0xFF & color);
// dataBuff.put(0xFF & (color >> 24)); // alpha
dataBuff.put(red).put(green).put(blue);
}
dataBuff.flip();
this.theChannel.write(dataBuff);
}
}
break;
}
// write out values for the tiff tags and build up the IFD. These are supposed to be sorted; for
// now
// do this manually here.
ArrayList<TiffIFDEntry> ifds = new ArrayList<TiffIFDEntry>(10);
ifds.add(new TiffIFDEntry(Tiff.Tag.IMAGE_WIDTH, Tiff.Type.LONG, 1, numCols));
ifds.add(new TiffIFDEntry(Tiff.Tag.IMAGE_LENGTH, Tiff.Type.LONG, 1, numRows));
long offset = this.theChannel.position();
if (Tiff.BitsPerSample.RGB == bitsPerSample) {
short[] bps = new short[numBands];
for (int i = 0; i < numBands; i++) {
bps[i] = Tiff.BitsPerSample.MONOCHROME_BYTE;
}
this.theChannel.write(ByteBuffer.wrap(this.getBytes(bps)));
ifds.add(new TiffIFDEntry(Tiff.Tag.BITS_PER_SAMPLE, Tiff.Type.SHORT, numBands, offset));
} else ifds.add(new TiffIFDEntry(Tiff.Tag.BITS_PER_SAMPLE, Tiff.Type.SHORT, 1, bitsPerSample));
ifds.add(new TiffIFDEntry(Tiff.Tag.COMPRESSION, Tiff.Type.LONG, 1, Tiff.Compression.NONE));
ifds.add(new TiffIFDEntry(Tiff.Tag.PHOTO_INTERPRETATION, Tiff.Type.SHORT, 1, photometric));
ifds.add(new TiffIFDEntry(Tiff.Tag.SAMPLES_PER_PIXEL, Tiff.Type.SHORT, 1, samplesPerPixel));
ifds.add(new TiffIFDEntry(Tiff.Tag.ORIENTATION, Tiff.Type.SHORT, 1, Tiff.Orientation.DEFAULT));
ifds.add(
new TiffIFDEntry(
Tiff.Tag.PLANAR_CONFIGURATION, Tiff.Type.SHORT, 1, Tiff.PlanarConfiguration.CHUNKY));
ifds.add(new TiffIFDEntry(Tiff.Tag.SAMPLE_FORMAT, Tiff.Type.SHORT, 1, sampleFormat));
offset = this.theChannel.position();
dataBuff = ByteBuffer.allocateDirect(stripOffsets.length * INTEGER_SIZEOF);
for (int stripOffset : stripOffsets) {
dataBuff.putInt(stripOffset);
}
dataBuff.flip();
this.theChannel.write(dataBuff);
ifds.add(new TiffIFDEntry(Tiff.Tag.STRIP_OFFSETS, Tiff.Type.LONG, stripOffsets.length, offset));
ifds.add(new TiffIFDEntry(Tiff.Tag.ROWS_PER_STRIP, Tiff.Type.LONG, 1, 1));
offset = this.theChannel.position();
dataBuff.clear(); // stripOffsets and stripCounts are same length by design; can reuse the
// ByteBuffer...
for (int stripCount : stripCounts) {
dataBuff.putInt(stripCount);
}
dataBuff.flip();
this.theChannel.write(dataBuff);
ifds.add(
new TiffIFDEntry(Tiff.Tag.STRIP_BYTE_COUNTS, Tiff.Type.LONG, stripCounts.length, offset));
this.appendGeoTiff(ifds, raster);
this.writeIFDs(ifds);
}