/**
* shrinks the mbr area to the just necessary
*
* @param n
*/
private void update(RNode n) throws DimensionalException {
double[] minCoords = new double[dimension];
double[] maxCoords = new double[dimension];
for (int i = 0; i < dimension; i++) {
minCoords[i] = Double.MAX_VALUE;
maxCoords[i] = -Double.MAX_VALUE;
for (RNode c : n.children()) {
c.setParent(n);
double minp = Math.min(c.getMbr().getP_start()[i], c.getMbr().getP_end()[i]);
double maxp = Math.max(c.getMbr().getP_end()[i], c.getMbr().getP_start()[i]);
if (minp < minCoords[i]) {
minCoords[i] = minp;
}
if (maxp > maxCoords[i]) {
maxCoords[i] = maxp;
}
}
}
n.setMbr(new MBR(minCoords, maxCoords, dimension));
}
