/**
* Read the shapefile
*
* @param shapefile shapefile
* @param bbox _more_
* @return List of point sets
*/
private List doRead(EsriShapefile shapefile, Rectangle2D bbox) {
this.shapefile = shapefile;
List features = shapefile.getFeatures();
java.util.Iterator si = features.iterator();
dbFile = shapefile.getDbFile();
List s0 = new ArrayList();
int pointCnt = 0;
for (int i = 0; si.hasNext(); i++) {
EsriShapefile.EsriFeature gf = (EsriShapefile.EsriFeature) si.next();
SampledSet mapLines = gf.getMapLines(bbox);
pointCnt += gf.getPointCount();
if (mapLines != null) {
s0.add(mapLines);
}
}
return s0;
}
/**
* @param request _more_
* @param entry _more_
* @param map _more_
* @return _more_
*/
@Override
public boolean addToMap(Request request, Entry entry, MapInfo map) {
try {
if (!entry.isFile()) {
return true;
}
// TODO: stream through the shapes
EsriShapefile shapefile = new EsriShapefile(entry.getFile().toString());
List features = shapefile.getFeatures();
int totalPoints = 0;
int MAX_POINTS = 10000;
for (int i = 0; i < features.size(); i++) {
if (totalPoints > MAX_POINTS) {
break;
}
EsriShapefile.EsriFeature gf = (EsriShapefile.EsriFeature) features.get(i);
java.util.Iterator pi = gf.getGisParts();
while (pi.hasNext()) {
if (totalPoints > MAX_POINTS) {
break;
}
GisPart gp = (GisPart) pi.next();
double[] xx = gp.getX();
double[] yy = gp.getY();
List<double[]> points = new ArrayList<double[]>();
for (int ptIdx = 0; ptIdx < xx.length; ptIdx++) {
points.add(new double[] {yy[ptIdx], xx[ptIdx]});
}
totalPoints += points.size();
if (points.size() > 1) {
map.addLines("", points);
} else if (points.size() == 1) {
map.addMarker("id", points.get(0)[0], points.get(0)[1], null, "");
}
}
}
} catch (Exception exc) {
throw new RuntimeException(exc);
}
return false;
}
/**
* _more_
*
* @param request _more_
* @param entry _more_
* @param parent _more_
* @param newEntry _more_
* @throws Exception _more_
*/
public void initializeEntryFromForm(Request request, Entry entry, Entry parent, boolean newEntry)
throws Exception {
if (!entry.isFile()) {
return;
}
EsriShapefile shapefile = new EsriShapefile(entry.getFile().toString());
Rectangle2D bounds = shapefile.getBoundingBox();
double[][] lonlat = new double[][] {{bounds.getX()}, {bounds.getY() + bounds.getHeight()}};
ProjFile projFile = shapefile.getProjFile();
if (projFile != null) {
lonlat = projFile.convertToLonLat(lonlat);
}
entry.setNorth(lonlat[IDX_LAT][0]);
entry.setWest(lonlat[IDX_LON][0]);
lonlat[IDX_LAT][0] = bounds.getY();
lonlat[IDX_LON][0] = bounds.getX() + bounds.getWidth();
if (projFile != null) {
lonlat = projFile.convertToLonLat(lonlat);
}
entry.setSouth(lonlat[IDX_LAT][0]);
entry.setEast(lonlat[IDX_LON][0]);
}
/**
* What is the feature type
*
* @return Feature type
*/
public int getFeatureType() {
if (shapefile != null) {
return shapefile.getFeatureType();
}
return EsriShapefile.POLYGON;
}