/* JAI-Ext - OpenSource Java Advanced Image Extensions Library
* http://www.geo-solutions.it/
* Copyright 2016 GeoSolutions
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package it.geosolutions.jaiext.clamp;
import static org.junit.Assert.assertEquals;
import it.geosolutions.jaiext.clamp.ClampDescriptor;
import it.geosolutions.jaiext.range.Range;
import it.geosolutions.jaiext.range.RangeFactory;
import it.geosolutions.jaiext.testclasses.TestBase;
import it.geosolutions.rendered.viewer.RenderedImageBrowser;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.image.ColorModel;
import java.awt.image.DataBuffer;
import java.awt.image.DataBufferByte;
import java.awt.image.IndexColorModel;
import java.awt.image.Raster;
import java.awt.image.RenderedImage;
import java.awt.image.SampleModel;
import java.awt.image.renderable.ParameterBlock;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.media.jai.InterpolationNearest;
import javax.media.jai.JAI;
import javax.media.jai.PlanarImage;
import javax.media.jai.ROI;
import javax.media.jai.ROIShape;
import javax.media.jai.RasterFactory;
import javax.media.jai.RenderedOp;
import javax.media.jai.TiledImage;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import com.sun.media.jai.util.ImageUtil;
public class ClampTest extends TestBase {
/** Logger */
private Logger logger = Logger.getLogger(ClampTest.class.getName());
/** Tolerance parameter used in comparison */
private static final double TOLERANCE = 0.1d;
/** Input data used for testing */
private static RenderedImage[] testImages;
/** NoData Range for Byte dataType */
private static Range noDataByte;
/** NoData Range for Ushort dataType */
private static Range noDataUShort;
/** NoData Range for Short dataType */
private static Range noDataShort;
/** NoData Range for Int dataType */
private static Range noDataInt;
/** NoData Range for Float dataType */
private static Range noDataFloat;
/** NoData Range for Double dataType */
private static Range noDataDouble;
/** ROI used in tests */
private static ROI roiObject;
/** Value to set as Output NoData */
private static double destNoData;
@BeforeClass
public static void initialSetup() {
// NoData definition
byte noDataB = 50;
short noDataS = 50;
int noDataI = 50;
float noDataF = 50;
double noDataD = 50;
// Image Creation
testImages = new RenderedImage[6];
IMAGE_FILLER = true;
testImages[DataBuffer.TYPE_BYTE] = createTestImage(DataBuffer.TYPE_BYTE, DEFAULT_WIDTH,
DEFAULT_HEIGHT, noDataB, false, 3, 255); // 0
testImages[DataBuffer.TYPE_USHORT] = createTestImage(DataBuffer.TYPE_USHORT, DEFAULT_WIDTH,
DEFAULT_HEIGHT, noDataS, false, 3); // 1
testImages[DataBuffer.TYPE_SHORT] = createTestImage(DataBuffer.TYPE_SHORT, DEFAULT_WIDTH,
DEFAULT_HEIGHT, noDataS, false, 3); // 2
testImages[DataBuffer.TYPE_INT] = createTestImage(DataBuffer.TYPE_INT, DEFAULT_WIDTH,
DEFAULT_HEIGHT, noDataI, false, 3); // 3
testImages[DataBuffer.TYPE_FLOAT] = createTestImage(DataBuffer.TYPE_FLOAT, DEFAULT_WIDTH,
DEFAULT_HEIGHT, noDataF, false, 3); // 4
testImages[DataBuffer.TYPE_DOUBLE] = createTestImage(DataBuffer.TYPE_DOUBLE, DEFAULT_WIDTH,
DEFAULT_HEIGHT, noDataD, false, 3); // 5
IMAGE_FILLER = false;
// No Data Ranges
boolean minIncluded = true;
boolean maxIncluded = true;
noDataByte = RangeFactory.create(noDataB, minIncluded, noDataB, maxIncluded);
noDataUShort = RangeFactory.createU(noDataS, minIncluded, noDataS, maxIncluded);
noDataShort = RangeFactory.create(noDataS, minIncluded, noDataS, maxIncluded);
noDataInt = RangeFactory.create(noDataI, minIncluded, noDataI, maxIncluded);
noDataFloat = RangeFactory.create(noDataF, minIncluded, noDataF, maxIncluded, true);
noDataDouble = RangeFactory.create(noDataD, minIncluded, noDataD, maxIncluded, true);
// ROI creation
Rectangle roiBounds = new Rectangle(5, 5, DEFAULT_WIDTH / 4, DEFAULT_HEIGHT / 4);
roiObject = new ROIShape(roiBounds);
// Destination No Data
destNoData = 100.0;
}
@Test
public void test() {
boolean roiUsed = false;
boolean nodataUsed = false;
Range noData = null;
ROI roi = null;
double[] low = new double[] { 0.0, 20.0, 0.0 };
double[] high = new double[] { 10.0, 80.0, 100.0 };
// Clamp operation
RenderedOp[] clamped = new RenderedOp[6];
clamped[0] = ClampDescriptor
.create(noData, destNoData, roi, low, high, null, testImages[0]);
clamped[1] = ClampDescriptor
.create(noData, destNoData, roi, low, high, null, testImages[1]);
clamped[2] = ClampDescriptor
.create(noData, destNoData, roi, low, high, null, testImages[2]);
clamped[3] = ClampDescriptor
.create(noData, destNoData, roi, low, high, null, testImages[3]);
clamped[4] = ClampDescriptor
.create(noData, destNoData, roi, low, high, null, testImages[4]);
clamped[5] = ClampDescriptor
.create(noData, destNoData, roi, low, high, null, testImages[5]);
check(testImages[0], clamped[0], low, high, roiUsed, roi, nodataUsed, noData);
check(testImages[1], clamped[1], low, high, roiUsed, roi, nodataUsed, noData);
check(testImages[2], clamped[2], low, high, roiUsed, roi, nodataUsed, noData);
check(testImages[3], clamped[3], low, high, roiUsed, roi, nodataUsed, noData);
check(testImages[4], clamped[4], low, high, roiUsed, roi, nodataUsed, noData);
check(testImages[5], clamped[5], low, high, roiUsed, roi, nodataUsed, noData);
// Disposal of the output image
for (int i = 0; i < 6; i++)
clamped[i].dispose();
}
@Test
public void testROI() {
boolean roiUsed = true;
boolean nodataUsed = false;
Range noData = null;
ROI roi = roiObject;
double[] low = new double[] { 0.0, 20.0, 0.0 };
double[] high = new double[] { 100.0, 80.0, 100.0 };
// Clamp operation
RenderedOp[] clamped = new RenderedOp[6];
clamped[0] = ClampDescriptor
.create(noData, destNoData, roi, low, high, null, testImages[0]);
clamped[1] = ClampDescriptor
.create(noData, destNoData, roi, low, high, null, testImages[1]);
clamped[2] = ClampDescriptor
.create(noData, destNoData, roi, low, high, null, testImages[2]);
clamped[3] = ClampDescriptor
.create(noData, destNoData, roi, low, high, null, testImages[3]);
clamped[4] = ClampDescriptor
.create(noData, destNoData, roi, low, high, null, testImages[4]);
clamped[5] = ClampDescriptor
.create(noData, destNoData, roi, low, high, null, testImages[5]);
check(testImages[0], clamped[0], low, high, roiUsed, roi, nodataUsed, noData);
check(testImages[1], clamped[1], low, high, roiUsed, roi, nodataUsed, noData);
check(testImages[2], clamped[2], low, high, roiUsed, roi, nodataUsed, noData);
check(testImages[3], clamped[3], low, high, roiUsed, roi, nodataUsed, noData);
check(testImages[4], clamped[4], low, high, roiUsed, roi, nodataUsed, noData);
check(testImages[5], clamped[5], low, high, roiUsed, roi, nodataUsed, noData);
// Disposal of the output image
for (int i = 0; i < 6; i++)
clamped[i].dispose();
}
@Test
public void testNoData() {
boolean roiUsed = false;
boolean nodataUsed = true;
ROI roi = null;
double[] low = new double[] { 0.0, 20.0, 0.0 };
double[] high = new double[] { 10.0, 80.0, 100.0 };
// Clamp operation
RenderedOp[] clamped = new RenderedOp[6];
clamped[0] = ClampDescriptor.create(noDataByte, destNoData, roi, low, high, null,
testImages[0]);
clamped[1] = ClampDescriptor.create(noDataUShort, destNoData, roi, low, high, null,
testImages[1]);
clamped[2] = ClampDescriptor.create(noDataShort, destNoData, roi, low, high, null,
testImages[2]);
clamped[3] = ClampDescriptor.create(noDataInt, destNoData, roi, low, high, null,
testImages[3]);
clamped[4] = ClampDescriptor.create(noDataFloat, destNoData, roi, low, high, null,
testImages[4]);
clamped[5] = ClampDescriptor.create(noDataDouble, destNoData, roi, low, high, null,
testImages[5]);
check(testImages[0], clamped[0], low, high, roiUsed, roi, nodataUsed, noDataByte);
check(testImages[1], clamped[1], low, high, roiUsed, roi, nodataUsed, noDataUShort);
check(testImages[2], clamped[2], low, high, roiUsed, roi, nodataUsed, noDataShort);
check(testImages[3], clamped[3], low, high, roiUsed, roi, nodataUsed, noDataInt);
check(testImages[4], clamped[4], low, high, roiUsed, roi, nodataUsed, noDataFloat);
check(testImages[5], clamped[5], low, high, roiUsed, roi, nodataUsed, noDataDouble);
// Disposal of the output image
for (int i = 0; i < 6; i++)
clamped[i].dispose();
}
@Test
public void testROInoData() {
boolean roiUsed = true;
boolean nodataUsed = true;
ROI roi = roiObject;
double[] low = new double[] { 0.0, 20.0, 0.0 };
double[] high = new double[] { 100.0, 80.0, 100.0 };
// Clamp operation
RenderedOp[] clamped = new RenderedOp[6];
clamped[0] = ClampDescriptor.create(noDataByte, destNoData, roi, low, high, null,
testImages[0]);
clamped[1] = ClampDescriptor.create(noDataUShort, destNoData, roi, low, high, null,
testImages[1]);
clamped[2] = ClampDescriptor.create(noDataShort, destNoData, roi, low, high, null,
testImages[2]);
clamped[3] = ClampDescriptor.create(noDataInt, destNoData, roi, low, high, null,
testImages[3]);
clamped[4] = ClampDescriptor.create(noDataFloat, destNoData, roi, low, high, null,
testImages[4]);
clamped[5] = ClampDescriptor.create(noDataDouble, destNoData, roi, low, high, null,
testImages[5]);
check(testImages[0], clamped[0], low, high, roiUsed, roi, nodataUsed, noDataByte);
check(testImages[1], clamped[1], low, high, roiUsed, roi, nodataUsed, noDataUShort);
check(testImages[2], clamped[2], low, high, roiUsed, roi, nodataUsed, noDataShort);
check(testImages[3], clamped[3], low, high, roiUsed, roi, nodataUsed, noDataInt);
check(testImages[4], clamped[4], low, high, roiUsed, roi, nodataUsed, noDataFloat);
check(testImages[5], clamped[5], low, high, roiUsed, roi, nodataUsed, noDataDouble);
// Disposal of the output image
for (int i = 0; i < 6; i++)
clamped[i].dispose();
}
private void check(RenderedImage src, RenderedOp clamped, double[] low, double[] high, boolean roiUsed,
ROI roi, boolean nodataUsed, Range noData) {
int tileWidth = clamped.getTileWidth();
int tileHeight = clamped.getTileHeight();
int minTileX = clamped.getMinTileX();
int minTileY = clamped.getMinTileY();
int numXTiles = clamped.getNumXTiles();
int numYTiles = clamped.getNumYTiles();
int maxTileX = minTileX + numXTiles;
int maxTileY = minTileY + numYTiles;
// Ensure same size
assertEquals(clamped.getWidth(), src.getWidth());
assertEquals(clamped.getHeight(), src.getHeight());
assertEquals(clamped.getMinX(), src.getMinX());
assertEquals(clamped.getMinY(), src.getMinY());
assertEquals(minTileX, src.getMinTileX());
assertEquals(minTileY, src.getMinTileY());
assertEquals(numXTiles, src.getNumXTiles());
assertEquals(numYTiles, src.getNumYTiles());
assertEquals(tileWidth, src.getTileWidth());
assertEquals(tileHeight, src.getTileHeight());
int srcBands = src.getSampleModel().getNumBands();
int dstBands = clamped.getNumBands();
assertEquals(srcBands, dstBands);
boolean valid = true;
// Check on all the pixels if they have been calculate correctly
for (int tileX = minTileX; tileX < maxTileX; tileX++) {
for (int tileY = minTileY; tileY < maxTileY; tileY++) {
Raster tile = clamped.getTile(tileX, tileY);
Raster srcTile = src.getTile(tileX, tileY);
int minX = tile.getMinX();
int minY = tile.getMinY();
int maxX = minX + tileWidth - 1;
int maxY = minY + tileHeight - 1;
int minXsrc = srcTile.getMinX();
int minYsrc = srcTile.getMinY();
int xsrc = minXsrc;
for (int x = minX; x <= maxX; x++) {
int ysrc = minYsrc;
for (int y = minY; y <= maxY; y++) {
boolean isValidRoi = !roiUsed || (roiUsed && roi.contains(x, y));
if (isValidRoi) {
for (int b = 0; b < dstBands; b++) {
// Getting the result
double samplesource = srcTile.getSampleDouble(xsrc, ysrc, b);
double result = tile.getSampleDouble(x, y, b);
if (nodataUsed && noData.contains(samplesource)) {
assertEquals(result, destNoData, TOLERANCE);
} else if (result < low[b] || result > high[b])
valid = false;
logger.log(Level.FINE, "srcsample: " + samplesource
+ " dstsample: " + tile.getSampleDouble(x, y, b) + " low: "
+ low[b] + " high: " + high[b]);
}
} else {
for (int b = 0; b < dstBands; b++) {
assertEquals(tile.getSampleDouble(x, y, b), destNoData, TOLERANCE);
}
}
ysrc++;
}
xsrc++;
}
}
}
Assert.assertTrue(valid);
}
}