/**
* Parse Lat Lon Bounding Box
*
* @param llBox
* @return Envelope
* @throws XMLParsingException
* @throws UnknownCRSException
*/
protected Envelope parseLatLonBoundingBox(Element llBox)
throws XMLParsingException, UnknownCRSException {
LOG.entering();
double minx = XMLTools.getRequiredNodeAsDouble(llBox, "./@minx", nsContext);
double maxx = XMLTools.getRequiredNodeAsDouble(llBox, "./@maxx", nsContext);
double miny = XMLTools.getRequiredNodeAsDouble(llBox, "./@miny", nsContext);
double maxy = XMLTools.getRequiredNodeAsDouble(llBox, "./@maxy", nsContext);
/** default crs = EPSG:4326 */
CoordinateSystem crs = CRSFactory.create("EPSG:4326");
Envelope env = GeometryFactory.createEnvelope(minx, miny, maxx, maxy, crs);
LOG.exiting();
return env;
}
private static boolean intersects(
Envelope envelope, Code reqCRS, Envelope[] envs, LonLatEnvelope llEnv)
throws UnknownCRSException {
boolean res = false;
String reqCRSCode = reqCRS.getCode();
try {
if (envs == null || envs.length == 0) {
Envelope latlonEnv =
GeometryFactory.createEnvelope(
llEnv.getMin().getX(),
llEnv.getMin().getY(),
llEnv.getMax().getX(),
llEnv.getMax().getY(),
CRSFactory.create("EPSG:4326"));
if (!"EPSG:4326".equals(reqCRSCode)) {
res = intersects(envelope, reqCRSCode, latlonEnv, "EPSG:4326");
} else {
res = envelope.intersects(latlonEnv);
}
} else {
for (int i = 0; i < envs.length && !res; i++) {
if (intersects(
envelope, reqCRSCode, envs[i], envs[i].getCoordinateSystem().getPrefixedName())) {
res = true;
break;
}
}
}
} catch (GeometryException ex) {
LOG.logWarning("intersection test; translation into surface failed", ex);
} catch (CRSException ex) {
LOG.logWarning(
"intersection test; transformation of reqeust envelope/valid area impossible", ex);
} catch (CRSTransformationException ex) {
LOG.logWarning("intersection test; transformation of reqeust envelope/valid area failed", ex);
}
return res;
}
/** return the LonLatEnvelope of the entire image in "EPSG:4326" */
private Envelope getLLEAsEnvelope() {
String code = getNativeSRSCode();
LonLatEnvelope lle = description.getLonLatEnvelope();
Envelope tmp =
GeometryFactory.createEnvelope(
lle.getMin().getX(),
lle.getMin().getY(),
lle.getMax().getX(),
lle.getMax().getY(),
null);
try {
if (!code.equals("EPSG:4326")) {
GeoTransformer trans = new GeoTransformer(code);
tmp = trans.transform(tmp, "EPSG:4326");
}
} catch (Exception e) {
LOGGER.logError(StringTools.stackTraceToString(e));
}
return tmp;
}
public void run() {
Container container = getContentPane();
container.removeAll();
container.setLayout(new GridLayout(3, 1));
int features = shapeFile.getRecordNum();
container.add(new JLabel("Indexing..."));
JProgressBar progressBar = new JProgressBar(1, features);
progressBar.setStringPainted(true);
container.add(progressBar);
cancel = new JButton("Cancel");
cancel.addActionListener(frame);
container.add(cancel);
pack();
boolean geometry = false;
DBaseIndex[] index = new DBaseIndex[properties.length];
RTree rtree = null;
try {
String[] dataTypes = shapeFile.getDataTypes();
int[] lengths = shapeFile.getDataLengths();
if (geometryCheckBox.isSelected() && !hasGeometry) {
geometry = true;
rtree = new RTree(2, 11, fileName + ".rti");
}
boolean indexes = false;
for (int i = 0; i < index.length; i++) {
if (checkboxes[i].isSelected() && !hasIndex[i]) {
index[i] =
DBaseIndex.createIndex(
fileName + "$" + properties[i],
properties[i],
lengths[i],
uniqueBoxes[i].isSelected(),
(dataTypes[i].equalsIgnoreCase("N")
|| dataTypes[i].equalsIgnoreCase("I")
|| dataTypes[i].equalsIgnoreCase("F")));
indexes = true;
} else index[i] = null;
}
if (geometry || indexes) {
for (int i = 1; i < features + 1; i++) {
Feature feature = shapeFile.getFeatureByRecNo(i);
if (geometry) {
Geometry[] geometries = feature.getGeometryPropertyValues();
if (geometries.length == 0) {
LOG.logInfo("no geometries at recno" + i);
continue;
}
Envelope envelope = null;
// TODO: deal with more than one geometry; handle geometry=null (allowed
// in shapefile)
envelope = (feature.getDefaultGeometryPropertyValue()).getEnvelope();
if (envelope == null) { // assume a Point-geometry
Point pnt = (Point) geometries[0];
envelope =
GeometryFactory.createEnvelope(
pnt.getX(), pnt.getY(), pnt.getX(), pnt.getY(), null);
}
HyperBoundingBox box =
new HyperBoundingBox(
new HyperPoint(envelope.getMin().getAsArray()),
new HyperPoint(envelope.getMax().getAsArray()));
rtree.insert(new Integer(i), box);
}
for (int j = 0; j < index.length; j++) {
if (index[j] != null) {
QualifiedName qn = new QualifiedName(properties[j]);
index[j].addKey((Comparable) feature.getDefaultProperty(qn), i);
}
}
progressBar.setValue(i);
synchronized (this) {
if (stop) {
shapeFile.close();
if (geometry) {
rtree.close();
new File(fileName + ".rti").delete();
}
for (int j = 0; j < index.length; j++) {
if (index[j] != null) {
index[j].close();
new File(fileName + "$" + properties[j] + ".ndx").delete();
}
}
System.exit(3);
}
}
}
}
try {
if (geometry) {
rtree.close();
}
shapeFile.close();
for (int i = 0; i < index.length; i++) if (index[i] != null) index[i].close();
} catch (Exception e) {
e.printStackTrace();
JOptionPane.showMessageDialog(frame, e);
System.exit(1);
}
if (!geometryCheckBox.isSelected() && hasGeometry) {
new File(fileName + ".rti").delete();
}
for (int i = 0; i < index.length; i++) {
if (!checkboxes[i].isSelected() && hasIndex[i]) {
new File(fileName + "$" + properties[i] + ".ndx").delete();
}
}
System.exit(0);
} catch (Exception ex) {
ex.printStackTrace();
JOptionPane.showMessageDialog(frame, ex);
System.exit(1);
}
}
/**
* returns the layers offered by the WMPS
*
* @param layerElem
* @param parent
* @return Layer
* @throws XMLParsingException
* @throws UnknownCRSException
*/
protected Layer parseLayers(Element layerElem, Layer parent)
throws XMLParsingException, UnknownCRSException {
LOG.entering();
boolean queryable = XMLTools.getNodeAsBoolean(layerElem, "./@queryable", nsContext, false);
int cascaded = XMLTools.getNodeAsInt(layerElem, "./@cascaded", nsContext, 0);
boolean opaque = XMLTools.getNodeAsBoolean(layerElem, "./@opaque", nsContext, false);
boolean noSubsets = XMLTools.getNodeAsBoolean(layerElem, "./@noSubsets", nsContext, false);
int fixedWidth = XMLTools.getNodeAsInt(layerElem, "./@fixedWidth", nsContext, 0);
int fixedHeight = XMLTools.getNodeAsInt(layerElem, "./@fixedHeight", nsContext, 0);
String name = XMLTools.getNodeAsString(layerElem, "./Name", nsContext, null);
String title = XMLTools.getRequiredNodeAsString(layerElem, "./Title", nsContext);
String layerAbstract = XMLTools.getNodeAsString(layerElem, "./Abstract", nsContext, null);
String[] keywords = XMLTools.getNodesAsStrings(layerElem, "./KeywordList/Keyword", nsContext);
String[] srs = XMLTools.getNodesAsStrings(layerElem, "./SRS", nsContext);
List nl = XMLTools.getNodes(layerElem, "./BoundingBox", nsContext);
// TODO substitue with Envelope
LayerBoundingBox[] bboxes = null;
if (nl.size() == 0 && parent != null) {
// inherit BoundingBoxes from parent layer
bboxes = parent.getBoundingBoxes();
} else {
bboxes = parseLayerBoundingBoxes(nl);
}
Element llBox = (Element) XMLTools.getNode(layerElem, "./LatLonBoundingBox", nsContext);
Envelope llBoundingBox = null;
if (llBox == null && parent != null) {
// inherit LatLonBoundingBox parent layer
llBoundingBox = parent.getLatLonBoundingBox();
} else if (llBox != null) {
llBoundingBox = parseLatLonBoundingBox(llBox);
} else {
/** Default crs = EPSG:4326 */
CoordinateSystem crs = CRSFactory.create("EPSG:4326");
llBoundingBox = GeometryFactory.createEnvelope(-180, -90, 180, 90, crs);
}
Dimension[] dimensions = parseDimensions(layerElem);
Extent[] extents = parseExtents(layerElem);
Attribution attribution = parseAttribution(layerElem);
AuthorityURL[] authorityURLs = parseAuthorityURLs(layerElem);
MetadataURL[] metadataURLs = parseMetadataURLs(layerElem);
DataURL[] dataURLs = parseDataURL(layerElem);
Identifier[] identifiers = parseIdentifiers(layerElem);
FeatureListURL[] featureListURLs = parseFeatureListURL(layerElem);
Style[] styles = parseStyles(layerElem);
ScaleHint scaleHint = parseScaleHint(layerElem);
Layer layer =
new Layer(
queryable,
cascaded,
opaque,
noSubsets,
fixedWidth,
fixedHeight,
name,
title,
layerAbstract,
llBoundingBox,
attribution,
scaleHint,
keywords,
srs,
bboxes,
dimensions,
extents,
authorityURLs,
identifiers,
metadataURLs,
dataURLs,
featureListURLs,
styles,
null,
null,
parent);
// get Child layers
nl = XMLTools.getNodes(layerElem, "./Layer", nsContext);
Layer[] layers = new Layer[nl.size()];
for (int i = 0; i < layers.length; i++) {
layers[i] = parseLayers((Element) nl.get(i), layer);
}
// set child layers
layer.setLayer(layers);
LOG.exiting();
return layer;
}
