private static boolean isGeographic(AVList params) {
return (null != params
&& params.hasKey(AVKey.COORDINATE_SYSTEM)
&& AVKey.COORDINATE_SYSTEM_GEOGRAPHIC.equals(params.getValue(AVKey.COORDINATE_SYSTEM)));
}
public static DataRaster wrapAsGeoreferencedRaster(BufferedImage image, AVList params) {
if (null == image) {
String message = Logging.getMessage("nullValue.ImageIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (null == params) {
String msg = Logging.getMessage("nullValue.AVListIsNull");
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
}
if (params.hasKey(AVKey.WIDTH)) {
int width = (Integer) params.getValue(AVKey.WIDTH);
if (width != image.getWidth()) {
String msg =
Logging.getMessage("generic.InvalidWidth", "" + width + "!=" + image.getWidth());
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
}
}
if (params.hasKey(AVKey.HEIGHT)) {
int height = (Integer) params.getValue(AVKey.HEIGHT);
if (height != image.getHeight()) {
String msg =
Logging.getMessage("generic.InvalidHeight", "" + height + "!=" + image.getHeight());
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
}
}
if (!params.hasKey(AVKey.SECTOR)) {
String msg = Logging.getMessage("generic.MissingRequiredParameter", AVKey.SECTOR);
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
}
Sector sector = (Sector) params.getValue(AVKey.SECTOR);
if (null == sector) {
String msg = Logging.getMessage("nullValue.SectorIsNull");
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
if (!params.hasKey(AVKey.COORDINATE_SYSTEM)) {
// assume Geodetic Coordinate System
params.setValue(AVKey.COORDINATE_SYSTEM, AVKey.COORDINATE_SYSTEM_GEOGRAPHIC);
}
String cs = params.getStringValue(AVKey.COORDINATE_SYSTEM);
if (!params.hasKey(AVKey.PROJECTION_EPSG_CODE)) {
if (AVKey.COORDINATE_SYSTEM_GEOGRAPHIC.equals(cs)) {
// assume WGS84
params.setValue(AVKey.PROJECTION_EPSG_CODE, GeoTiff.GCS.WGS_84);
} else {
String msg =
Logging.getMessage("generic.MissingRequiredParameter", AVKey.PROJECTION_EPSG_CODE);
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
}
}
// if PIXEL_WIDTH is specified, we are not overriding it because UTM images
// will have different pixel size
if (!params.hasKey(AVKey.PIXEL_WIDTH)) {
if (AVKey.COORDINATE_SYSTEM_GEOGRAPHIC.equals(cs)) {
double pixelWidth = sector.getDeltaLonDegrees() / (double) image.getWidth();
params.setValue(AVKey.PIXEL_WIDTH, pixelWidth);
} else {
String msg = Logging.getMessage("generic.MissingRequiredParameter", AVKey.PIXEL_WIDTH);
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
}
}
// if PIXEL_HEIGHT is specified, we are not overriding it
// because UTM images will have different pixel size
if (!params.hasKey(AVKey.PIXEL_HEIGHT)) {
if (AVKey.COORDINATE_SYSTEM_GEOGRAPHIC.equals(cs)) {
double pixelHeight = sector.getDeltaLatDegrees() / (double) image.getHeight();
params.setValue(AVKey.PIXEL_HEIGHT, pixelHeight);
} else {
String msg = Logging.getMessage("generic.MissingRequiredParameter", AVKey.PIXEL_HEIGHT);
Logging.logger().finest(msg);
throw new IllegalArgumentException(msg);
}
}
if (!params.hasKey(AVKey.PIXEL_FORMAT)) {
params.setValue(AVKey.PIXEL_FORMAT, AVKey.IMAGE);
} else if (!AVKey.IMAGE.equals(params.getStringValue(AVKey.PIXEL_FORMAT))) {
String msg =
Logging.getMessage(
"generic.UnknownValueForKey",
params.getStringValue(AVKey.PIXEL_FORMAT),
AVKey.PIXEL_FORMAT);
Logging.logger().severe(msg);
throw new IllegalArgumentException(msg);
}
if (!params.hasKey(AVKey.ORIGIN) && AVKey.COORDINATE_SYSTEM_GEOGRAPHIC.equals(cs)) {
// set UpperLeft corner as the origin, if not specified
LatLon origin = new LatLon(sector.getMaxLatitude(), sector.getMinLongitude());
params.setValue(AVKey.ORIGIN, origin);
}
if (!params.hasKey(AVKey.DATE_TIME)) {
// add NUL (\0) termination as required by TIFF v6 spec (20 bytes length)
String timestamp = String.format("%1$tY:%1$tm:%1$td %tT\0", Calendar.getInstance());
params.setValue(AVKey.DATE_TIME, timestamp);
}
if (!params.hasKey(AVKey.VERSION)) {
params.setValue(AVKey.VERSION, Version.getVersion());
}
boolean hasAlpha = (null != image.getColorModel() && image.getColorModel().hasAlpha());
params.setValue(AVKey.RASTER_HAS_ALPHA, hasAlpha);
return new BufferedImageRaster(sector, image, params);
}
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);
}
}
}
}