/**
* @param pointNode the point node from which the x or y value will be extracted. For example,
* node is <gml:Point srsName="EPSG:31466"> <gml:coordinates cs="," decimal="." ts="
* ">0.0,0.0</gml:coordinates> </gml:Point>
* @param coordIndex the coordenate index indicated whether to extract from x (index = 0)
* otherwise from y
* @return the String representation of the x or y value
* @throws GeometryException
*/
private static String getPointXorY(Node pointNode, int coordIndex) throws GeometryException {
String value = "";
if (pointNode != null) {
Geometry geometry = GMLGeometryAdapter.wrap((Element) pointNode, null);
if (geometry instanceof Point) {
Point p = (Point) geometry;
double d = coordIndex == 0 ? p.getX() : p.getY();
value = Double.toString(d);
}
}
return value;
}
/**
* renders one point to the submitted graphic context considering the also submitted projection
*
* @param g
* @param point
* @param projection
* @param image
* @param dis displacement
*/
private void drawPoint(
Graphics2D g, Point point, GeoTransform projection, Image image, double[] dis) {
Envelope destSize = projection.getDestRect();
Position source = point.getPosition();
int x = (int) Math.round(projection.getDestX(source.getX()) + 0.5 + dis[0]);
int y = (int) Math.round(projection.getDestY(source.getY()) + 0.5 + dis[1]);
int x_ = x - (image.getWidth(null) >> 1);
int y_ = y - (image.getHeight(null) >> 1);
int dx = Math.min(image.getWidth(null), (int) destSize.getWidth() - x_);
int dy = Math.min(image.getHeight(null), (int) destSize.getHeight() - y_);
int tx = Math.min((int) destSize.getWidth(), x_ + image.getWidth(null));
int ty = Math.min((int) destSize.getHeight(), y_ + image.getHeight(null));
g.drawImage(image, x_, y_, tx, ty, 0, 0, dx, dy, null);
}
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);
}
}