/**
* Compute centers for all numClasses clusters
*
* @param srcBandList the input bands
* @param op the operator
*/
private synchronized void computeTerrainClusterCenters(
final PolBandUtils.PolSourceBand srcBandList, final PolarimetricClassificationOp op) {
if (clusterCentersComputed) {
return;
}
mask = new byte[srcHeight][srcWidth];
final double[][] fdd = new double[srcHeight][srcWidth];
final java.util.List<ClusterInfo> pvCenterList = new ArrayList<>(numInitialClusters);
final java.util.List<ClusterInfo> pdCenterList = new ArrayList<>(numInitialClusters);
final java.util.List<ClusterInfo> psCenterList = new ArrayList<>(numInitialClusters);
maxClusterSize = 2 * srcHeight * srcWidth / numFinalClasses;
final Dimension tileSize = new Dimension(256, 256);
final Rectangle[] tileRectangles =
OperatorUtils.getAllTileRectangles(op.getSourceProduct(), tileSize, 0);
computeInitialTerrainClusterCenters(
fdd, pvCenterList, pdCenterList, psCenterList, srcBandList, tileRectangles, op);
computeFinalTerrainClusterCenters(
fdd, pvCenterList, pdCenterList, psCenterList, srcBandList, tileRectangles, op);
clusterCentersComputed = true;
}
