| gvSIG desktop 1

			variance[iBand]	= 0.0;

			iValues[iBand]	= 0;

		}

		statisticsCalculated = true;

		for (int iBand = 0; iBand < grid.getBandCount(); iBand++) {

				variance[iBand] = variance[iBand] / (double) iValues[iBand] - mean[iBand] * mean[iBand];

			}

		}

		statisticsCalculated = true;

	}

	public void testStack(){

		String blockSize = wp.getParamById("blocksize").defaultValue;

		String photometric = wp.getParamById("photometric").defaultValue;

		String interleave = wp.getParamById("interleave").defaultValue;

		String compression = wp.getParamById("compression").defaultValue;

		String tfw = wp.getParamById("tfw").defaultValue;

		assertEquals(blockSize, "512");

		assertEquals(photometric, "RGB");

		assertEquals(interleave, "BAND");

		assertEquals(compression, "NONE");

		assertEquals(tfw, "false");

		wp.changeParamValue("blocksize", "256");

		wp.changeParamValue("photometric", "MINISBLACK");

		wp.changeParamValue("interleave", "PIXEL");

		wp.changeParamValue("compression", "12");

		wp.changeParamValue("tfw", "true");

		blockSize = wp.getParamById("blocksize").defaultValue;

		photometric = wp.getParamById("photometric").defaultValue;

		interleave = wp.getParamById("interleave").defaultValue;

		compression = wp.getParamById("compression").defaultValue;

		tfw = wp.getParamById("tfw").defaultValue;

		assertEquals(blockSize, "256");

		assertEquals(photometric, "MINISBLACK");

		assertEquals(interleave, "PIXEL");

		assertEquals(compression, "12");

			//Media de un grid (getMeanValue)

			init(g1);

			assertEquals((int)g1.getMeanValue(), 4);

			assertEquals((int)g1.getMinValue(), 0);

			assertEquals((int)g1.getMaxValue(), 8);