protected static boolean isSectorVisible(
DrawContext dc, Sector sector, double minDistanceSquared, double maxDistanceSquared) {
View view = dc.getView();
Position eyePos = view.getEyePosition();
if (eyePos == null) return false;
Angle lat = clampAngle(eyePos.getLatitude(), sector.getMinLatitude(), sector.getMaxLatitude());
Angle lon =
clampAngle(eyePos.getLongitude(), sector.getMinLongitude(), sector.getMaxLongitude());
Vec4 p = dc.getGlobe().computePointFromPosition(lat, lon, 0d);
double distSquared = dc.getView().getEyePoint().distanceToSquared3(p);
//noinspection RedundantIfStatement
if (minDistanceSquared > distSquared || maxDistanceSquared < distSquared) return false;
return true;
}
public URL getURL(Tile tile, String altImageFormat) throws MalformedURLException {
StringBuffer sb;
if (this.URLTemplate == null) {
sb = new StringBuffer(WWXML.fixGetMapString(tile.getLevel().getService()));
if (!sb.toString().toLowerCase().contains("service=wms")) sb.append("service=WMS");
sb.append("&request=GetMap");
sb.append("&version=").append(this.wmsVersion);
sb.append(this.crs);
sb.append("&layers=").append(this.layerNames);
sb.append("&styles=").append(this.styleNames != null ? this.styleNames : "");
sb.append("&transparent=TRUE");
if (this.backgroundColor != null) sb.append("&bgcolor=").append(this.backgroundColor);
this.URLTemplate = sb.toString();
} else {
sb = new StringBuffer(this.URLTemplate);
}
String format = (altImageFormat != null) ? altImageFormat : this.imageFormat;
if (null != format) sb.append("&format=").append(format);
sb.append("&width=").append(tile.getWidth());
sb.append("&height=").append(tile.getHeight());
Sector s = tile.getSector();
sb.append("&bbox=");
sb.append(s.getMinLongitude().getDegrees());
sb.append(",");
sb.append(s.getMinLatitude().getDegrees());
sb.append(",");
sb.append(s.getMaxLongitude().getDegrees());
sb.append(",");
sb.append(s.getMaxLatitude().getDegrees());
// sb.append("&"); // terminate the query string
return new java.net.URL(sb.toString().replace(" ", "%20"));
}
protected boolean isNavSectorVisible(
DrawContext dc, double minDistanceSquared, double maxDistanceSquared) {
if (!navSector.intersects(dc.getVisibleSector())) return false;
View view = dc.getView();
Position eyePos = view.getEyePosition();
if (eyePos == null) return false;
// check for eyePos over globe
if (Double.isNaN(eyePos.getLatitude().getDegrees())
|| Double.isNaN(eyePos.getLongitude().getDegrees())) return false;
Angle lat =
clampAngle(eyePos.getLatitude(), navSector.getMinLatitude(), navSector.getMaxLatitude());
Angle lon =
clampAngle(
eyePos.getLongitude(), navSector.getMinLongitude(), navSector.getMaxLongitude());
Vec4 p = dc.getGlobe().computePointFromPosition(lat, lon, 0d);
double distSquared = dc.getView().getEyePoint().distanceToSquared3(p);
//noinspection RedundantIfStatement
if (minDistanceSquared > distSquared || maxDistanceSquared < distSquared) return false;
return true;
}
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);
}
}
}
}