| gvSIG desktop 1

		switch (getDataType()) {

			case IBuffer.TYPE_BYTE:

				for (int i = 0; i < getBandCount(); i++)

						for (int c = 0; c < getWidth(); c++) {

							value = (double) (getElemByte(r, c, i) & 0xff);

							if (value > max) max = value;

							if (value < min) min = value;

						}

				break;

			case IBuffer.TYPE_SHORT:

				for (int i = 0; i < getBandCount(); i++)

						for (int c = 0; c < getWidth(); c++) {

							value = (double) (getElemShort(r, c, i) & 0xffff);

							if (value > max) max = value;

							if (value < min) min = value;

						}

				break;

			case IBuffer.TYPE_INT:

				for (int i = 0; i < getBandCount(); i++)

						for (int c = 0; c < getWidth(); c++) {

							value = (double) (getElemInt(r, c, i) & 0xffffffff);

							if (value > max) max = value;

							if (value < min) min = value;

						}

				break;

			case IBuffer.TYPE_FLOAT:

				for (int i = 0; i < getBandCount(); i++)

						for (int c = 0; c < getWidth(); c++) {

							value =  (double) getElemFloat(r, c, i);

							if (value > max) max = value;

							if (value < min) min = value;

						}

				break;

			case IBuffer.TYPE_DOUBLE:

				for (int i = 0; i < getBandCount(); i++)

						for (int c = 0; c < getWidth(); c++) {

							value = getElemDouble(r, c, i);

							if (value > max) max = value;

							if (value < min) min = value;

						}

				break;

		}

		double[] values = new double[2];

		Histogram hist = null;

		double[] limits = getLimits();

		if (getDataType() == IBuffer.TYPE_BYTE)

			hist = new Histogram(getBandCount(), 255, limits[0], limits[1]);

		else

					break;

				}

					return null;

				percent = ((iBand*getHeight() + row) * 100) /(getHeight() * getBandCount());

			}

		}