public GeoObject operate(GeoGrid geoGrid, double firstContourLevel, double lastContourLevel) {
flags = new boolean[geoGrid.getRows()][geoGrid.getCols()];
GeoSet geoSet = new GeoSet();
final int nlevels = (int) ((lastContourLevel - firstContourLevel) / interval) + 1;
if (treatDegreeJump) {
GeoSet levelGeoSet = new GeoSet();
this.contourLevel(geoGrid, 0.f, levelGeoSet);
levelGeoSet.setName(Float.toString(0.f));
geoSet.add(levelGeoSet);
}
for (int i = 0; i < nlevels; ++i) {
final double contourLevel = firstContourLevel + i * interval;
GeoSet levelGeoSet = new GeoSet();
this.contourLevel(geoGrid, contourLevel, levelGeoSet);
levelGeoSet.setName(Double.toString(contourLevel));
geoSet.add(levelGeoSet);
}
return geoSet;
}
