public PlanarImage gridToEmage(double[][] dataGrid, String imageName) throws IOException {
// creates a gray-scale image of the values
int width = dataGrid[0].length;
int height = dataGrid.length;
// Get the number of bands on the image.
URL imgURL = new URL(Config.getProperty("imgURL"));
PlanarImage dummyImage = JAI.create("URL", imgURL); // dummy loaded. date to be edited.
SampleModel sm = dummyImage.getSampleModel();
int nbands = sm.getNumBands();
// We assume that we can get the pixels values in a integer array.
double[] pixelTemp = new double[nbands];
// Get an iterator for the image.
RandomIterFactory.create(dummyImage, null);
WritableRaster rasterData =
RasterFactory.createBandedRaster(
DataBuffer.TYPE_BYTE, width, height, nbands, new Point(0, 0));
for (int i = 0; i < height; i++) {
for (int j = 0; j < width; j++) {
dataGrid[i][j] = (dataGrid[i][j] <= 255) ? dataGrid[i][j] : 255;
pixelTemp[0] = dataGrid[i][j];
pixelTemp[1] = dataGrid[i][j];
pixelTemp[2] = dataGrid[i][j];
rasterData.setPixel(j, i, pixelTemp);
}
}
SampleModel sModel2 =
RasterFactory.createBandedSampleModel(DataBuffer.TYPE_BYTE, width, height, nbands);
// Try to create a compatible ColorModel - if the number of bands is
// larger than 4, it will be null.
ColorModel cModel2 = PlanarImage.createColorModel(sModel2);
// Create a TiledImage using the sample and color models.
TiledImage rectImage = new TiledImage(0, 0, width, height, 0, 0, sModel2, cModel2);
// Set the data of the tiled image to be the raster.
rectImage.setData(rasterData);
// Save the image on a file.
try {
ImageIO.write(rectImage, "jpg", new File(imageName + ".jpg"));
log.info("debug save image : " + imageName + ".jpg");
} catch (IOException e) {
log.error(e.getMessage());
log.error("Error in rectifying image");
}
return rectImage;
}
/**
* Creates a {@link WritableRaster writable raster}.
*
* @param width width of the raster to create.
* @param height height of the raster to create.
* @param dataClass data type for the raster. If <code>null</code>, defaults to double.
* @param sampleModel the samplemodel to use. If <code>null</code>, defaults to <code>
* new ComponentSampleModel(dataType, width, height, 1, width, new int[]{0});</code>.
* @param value value to which to set the raster to. If null, the default of the raster creation
* is used, which is 0.
* @return a {@link WritableRaster writable raster}.
*/
public static WritableRaster createDoubleWritableRaster(
int width, int height, Class<?> dataClass, SampleModel sampleModel, Double value) {
int dataType = DataBuffer.TYPE_DOUBLE;
if (dataClass != null) {
if (dataClass.isAssignableFrom(Integer.class)) {
dataType = DataBuffer.TYPE_INT;
} else if (dataClass.isAssignableFrom(Float.class)) {
dataType = DataBuffer.TYPE_FLOAT;
} else if (dataClass.isAssignableFrom(Byte.class)) {
dataType = DataBuffer.TYPE_BYTE;
}
}
if (sampleModel == null) {
sampleModel = new ComponentSampleModel(dataType, width, height, 1, width, new int[] {0});
}
WritableRaster raster = RasterFactory.createWritableRaster(sampleModel, null);
if (value != null) {
// autobox only once
double v = value;
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
raster.setSample(x, y, 0, v);
}
}
}
return raster;
}
public void create(
final String name,
final String filename,
final AnalysisExtent ae,
int dataType,
final int numBands,
final GProjection projection) {
if (projection == null) {
_projection = ProjectionUtils.getDefaultProjection();
} else {
_projection = projection;
}
if (dataType == DataBuffer.TYPE_DOUBLE) {
dataType = DataBuffer.TYPE_FLOAT;
}
System.out.println(ae.getNX());
System.out.println(ae.getNY());
_raster = RasterFactory.createBandedRaster(dataType, ae.getNX(), ae.getNY(), numBands, null);
_filename = filename;
_name = name;
_layerExtent = ae;
_noDataValue = DEFAULT_NO_DATA_VALUE;
}
/**
* Creates a test paletted image with translucency.
*
* @return
*/
private static BufferedImage getSyntheticTranslucentIndexed() {
final byte bb[] = new byte[256];
for (int i = 0; i < 256; i++) bb[i] = (byte) i;
final IndexColorModel icm = new IndexColorModel(8, 256, bb, bb, bb, bb);
final WritableRaster raster =
RasterFactory.createWritableRaster(icm.createCompatibleSampleModel(1024, 1024), null);
for (int i = raster.getMinX(); i < raster.getMinX() + raster.getWidth(); i++)
for (int j = raster.getMinY(); j < raster.getMinY() + raster.getHeight(); j++)
raster.setSample(i, j, 0, (i + j) / 32);
return new BufferedImage(icm, raster, false, null);
}
protected RenderedImage createRenderedImage(
RenderedImage renderedImage, int height, int width, DataBuffer dataBuffer) {
SampleModel sampleModel =
RasterFactory.createPixelInterleavedSampleModel(
DataBuffer.TYPE_BYTE, width, height, _NUM_OF_BANDS);
ColorModel colorModel = PlanarImage.createColorModel(sampleModel);
TiledImage tiledImage = new TiledImage(0, 0, width, height, 0, 0, sampleModel, colorModel);
Raster raster = RasterFactory.createWritableRaster(sampleModel, dataBuffer, new Point(0, 0));
tiledImage.setData(raster);
/*javax.media.jai.JAI.create(
"filestore", tiledImage, "test.png", "PNG");
printImage(renderedImage);
printImage(tiledImage);}*/
return tiledImage;
}
/** Tests that flipping axis on a coverage whose origin is not (0,0) works as expected */
@Test
public void testFlipTranslated() throws Exception {
// build a translated image
SampleModel sm =
RasterFactory.createPixelInterleavedSampleModel(DataBuffer.TYPE_BYTE, 256, 256, 3);
ColorModel cm = PlanarImage.createColorModel(sm);
TiledImage ti = new TiledImage(-10, -10, 5, 5, 0, 0, sm, cm);
Graphics2D g = ti.createGraphics();
g.setColor(Color.GREEN);
g.fillRect(-10, -10, 5, 5);
g.dispose();
// build a coverage around it
CoordinateReferenceSystem wgs84LatLon = CRS.decode("EPSG:4326");
final GridCoverageFactory factory = CoverageFactoryFinder.getGridCoverageFactory(null);
GridCoverage2D coverage =
factory.create("translated", ti, new Envelope2D(wgs84LatLon, 3, 5, 6, 8));
// verify we're good
int[] pixel = new int[3];
coverage.evaluate((DirectPosition) new DirectPosition2D(4, 6), pixel);
assertEquals(0, pixel[0]);
assertEquals(255, pixel[1]);
assertEquals(0, pixel[2]);
// now reproject flipping the axis
CoordinateReferenceSystem wgs84LonLat = CRS.decode("EPSG:4326", true);
GridGeometry gg =
new GridGeometry2D(
new GridEnvelope2D(-10, -10, 5, 5), (Envelope) new Envelope2D(wgs84LonLat, 5, 3, 8, 6));
GridCoverage2D flipped =
(GridCoverage2D)
Operations.DEFAULT.resample(
coverage, wgs84LonLat, gg, Interpolation.getInstance(Interpolation.INTERP_NEAREST));
// before the fix the pixel would have been black
flipped.evaluate((DirectPosition) new DirectPosition2D(6, 4), pixel);
assertEquals(0, pixel[0]);
assertEquals(255, pixel[1]);
assertEquals(0, pixel[2]);
}
/**
* Creates a simple 128x128 {@link RenderedImage} for testing purposes.
*
* @param maximum
* @return
*/
private static RenderedImage getSynthetic(final double maximum) {
final int width = 128;
final int height = 128;
final WritableRaster raster =
RasterFactory.createBandedRaster(DataBuffer.TYPE_DOUBLE, width, height, 1, null);
final Random random = new Random();
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
raster.setSample(x, y, 0, Math.ceil(random.nextDouble() * maximum));
}
}
final ColorModel cm =
new ComponentColorModelJAI(
ColorSpace.getInstance(ColorSpace.CS_GRAY),
false,
false,
Transparency.OPAQUE,
DataBuffer.TYPE_DOUBLE);
final BufferedImage image = new BufferedImage(cm, raster, false, null);
return image;
}
/**
* Paint the image onto a Graphics object. The painting is performed tile-by-tile, and includes a
* grey region covering the unused portion of image tiles as well as the general background. At
* this point the image must be byte data.
*/
public synchronized void paintComponent(Graphics g) {
Graphics2D g2D = null;
if (g instanceof Graphics2D) {
g2D = (Graphics2D) g;
} else {
return;
}
// if source is null, it's just a component
if (source == null) {
g2D.setColor(getBackground());
g2D.fillRect(0, 0, componentWidth, componentHeight);
return;
}
int transX = -originX;
int transY = -originY;
// Get the clipping rectangle and translate it into image coordinates.
Rectangle clipBounds = g.getClipBounds();
if (clipBounds == null) {
clipBounds = new Rectangle(0, 0, componentWidth, componentHeight);
}
// clear the background (clip it) [minimal optimization here]
if (transX > 0
|| transY > 0
|| transX < (componentWidth - source.getWidth())
|| transY < (componentHeight - source.getHeight())) {
g2D.setColor(getBackground());
g2D.fillRect(0, 0, componentWidth, componentHeight);
}
clipBounds.translate(-transX, -transY);
// Determine the extent of the clipping region in tile coordinates.
int txmin, txmax, tymin, tymax;
int ti, tj;
txmin = XtoTileX(clipBounds.x);
txmin = Math.max(txmin, minTileX);
txmin = Math.min(txmin, maxTileX);
txmax = XtoTileX(clipBounds.x + clipBounds.width - 1);
txmax = Math.max(txmax, minTileX);
txmax = Math.min(txmax, maxTileX);
tymin = YtoTileY(clipBounds.y);
tymin = Math.max(tymin, minTileY);
tymin = Math.min(tymin, maxTileY);
tymax = YtoTileY(clipBounds.y + clipBounds.height - 1);
tymax = Math.max(tymax, minTileY);
tymax = Math.min(tymax, maxTileY);
Insets insets = getInsets();
// Loop over tiles within the clipping region
for (tj = tymin; tj <= tymax; tj++) {
for (ti = txmin; ti <= txmax; ti++) {
int tx = TileXtoX(ti);
int ty = TileYtoY(tj);
Raster tile = source.getTile(ti, tj);
if (tile != null) {
DataBuffer dataBuffer = tile.getDataBuffer();
WritableRaster wr = tile.createWritableRaster(sampleModel, dataBuffer, null);
BufferedImage bi =
new BufferedImage(colorModel, wr, colorModel.isAlphaPremultiplied(), null);
// correctly handles band offsets
if (brightnessEnabled == true) {
SampleModel sm =
sampleModel.createCompatibleSampleModel(tile.getWidth(), tile.getHeight());
WritableRaster raster = RasterFactory.createWritableRaster(sm, null);
BufferedImage bimg =
new BufferedImage(colorModel, raster, colorModel.isAlphaPremultiplied(), null);
// don't move this code
ByteLookupTable lutTable = new ByteLookupTable(0, lutData);
LookupOp lookup = new LookupOp(lutTable, null);
lookup.filter(bi, bimg);
g2D.drawImage(bimg, biop, tx + transX + insets.left, ty + transY + insets.top);
} else {
AffineTransform transform;
transform =
AffineTransform.getTranslateInstance(
tx + transX + insets.left, ty + transY + insets.top);
g2D.drawRenderedImage(bi, transform);
}
}
}
}
}
/*
* Derive the image layout (tile grid, image bounds, ColorModel, and
* SampleModel) by querying the IIP server.
*/
private static ImageLayout layoutHelper(String URLSpec, int level, int subImage) {
// Create an ImageLayout by construction or cloning.
ImageLayout il = new ImageLayout();
// Set the tile offsets to (0,0).
il.setTileGridXOffset(0);
il.setTileGridYOffset(0);
// Set the tile dimensions.
il.setTileWidth(TILE_SIZE);
il.setTileHeight(TILE_SIZE);
// Set the image origin to (0,0).
il.setMinX(0);
il.setMinY(0);
// Retrieve the number of resolutions available and the maximum
// width and height (the dimensions of resolution numRes - 1).
int maxWidth = -1;
int maxHeight = -1;
int numRes = -1;
int resolution = -1;
String[] cmd = new String[] {"OBJ=Max-size", "OBJ=Resolution-number"};
InputStream stream = postCommands(URLSpec, cmd);
String label = null;
while ((label = getLabel(stream)) != null) {
if (label.equals("max-size")) {
String data = getDataAsString(stream, false);
int[] wh = stringToIntArray(data);
maxWidth = wh[0];
maxHeight = wh[1];
} else if (label.equals("resolution-number")) {
String data = getDataAsString(stream, false);
numRes = Integer.valueOf(data).intValue();
if (level < 0) {
resolution = 0;
} else if (level >= numRes) {
resolution = numRes - 1;
} else {
resolution = level;
}
} else {
checkError(label, stream, true);
}
}
closeStream(stream);
// Derive the width and height for this resolution level.
int w = maxWidth;
int h = maxHeight;
for (int i = numRes - 1; i > resolution; i--) {
w = (w + 1) / 2;
h = (h + 1) / 2;
}
il.setWidth(w);
il.setHeight(h);
// Determine image opacity attributes.
boolean hasAlpha = false;
boolean isAlphaPremultiplied = false;
cmd = new String[] {"OBJ=Colorspace," + resolution + "," + subImage};
stream = postCommands(URLSpec, cmd);
int colorSpaceIndex = 0;
int numBands = 0;
while ((label = getLabel(stream)) != null) {
if (label.startsWith("colorspace")) {
int[] ia = stringToIntArray(getDataAsString(stream, false));
numBands = ia[3];
switch (ia[2]) {
case CS_MONOCHROME:
colorSpaceIndex = ColorSpace.CS_GRAY;
break;
case CS_PHOTOYCC:
colorSpaceIndex = ColorSpace.CS_PYCC;
break;
case CS_NIFRGB:
colorSpaceIndex = ColorSpace.CS_sRGB;
break;
default:
colorSpaceIndex = numBands < 3 ? ColorSpace.CS_GRAY : ColorSpace.CS_sRGB;
}
for (int j = 1; j <= numBands; j++) {
if (ia[3 + j] == CS_PLANE_ALPHA) {
hasAlpha = true;
}
}
isAlphaPremultiplied = ia[1] == 1;
} else {
checkError(label, stream, true);
}
}
closeStream(stream);
// Set the ColorModel.
ColorSpace cs = ColorSpace.getInstance(colorSpaceIndex);
int dtSize = DataBuffer.getDataTypeSize(DataBuffer.TYPE_BYTE);
int[] bits = new int[numBands];
for (int i = 0; i < numBands; i++) {
bits[i] = dtSize;
}
int transparency = hasAlpha ? Transparency.TRANSLUCENT : Transparency.OPAQUE;
ColorModel cm =
new ComponentColorModel(
cs, bits, hasAlpha, isAlphaPremultiplied, transparency, DataBuffer.TYPE_BYTE);
il.setColorModel(cm);
// Set the SampleModel.
int[] bandOffsets = new int[numBands];
for (int i = 0; i < numBands; i++) {
bandOffsets[i] = i;
}
il.setSampleModel(
RasterFactory.createPixelInterleavedSampleModel(
DataBuffer.TYPE_BYTE,
TILE_SIZE,
TILE_SIZE,
numBands,
numBands * TILE_SIZE,
bandOffsets));
return il;
}
public PlanarImage PostProcessEmage(PlanarImage img) {
if (maskImgFName != null) {
int width = img.getWidth();
int height = img.getHeight();
// Get the number of bands on the image.
SampleModel sm = img.getSampleModel();
int nbands = sm.getNumBands();
// We assume that we can get the pixels values in a integer array.
double[] pixel = new double[nbands];
// Get an iterator for the image.
RandomIter iterator = RandomIterFactory.create(img, null);
WritableRaster rasterImage =
RasterFactory.createBandedRaster(
DataBuffer.TYPE_BYTE, width, height, nbands, new Point(0, 0));
double[] pixelNeighb = new double[nbands];
double[] pixelblack = new double[nbands];
for (int i = 0; i < nbands; i++) {
pixelNeighb[i] = 0;
pixelblack[i] = 0;
}
PlanarImage mask = JAI.create("FileLoad", maskImgFName);
RandomIter iteratorMask = RandomIterFactory.create(mask, null);
double[] pixelMask = new double[mask.getSampleModel().getNumBands()];
for (int i = 0; i < width; i++) {
for (int j = 0; j < height; j++) {
iteratorMask.getPixel(i, j, pixelMask);
if (!isBlack(pixelMask)) {
iterator.getPixel(i, j, pixel);
if (isWhite(pixel)) {;
} else {
rasterImage.setPixel(i, j, pixel);
}
} else {
rasterImage.setPixel(i, j, pixelblack);
}
}
}
SampleModel sModel2 =
RasterFactory.createBandedSampleModel(DataBuffer.TYPE_BYTE, width, height, nbands);
// Try to create a compatible ColorModel - if the number of bands is
// larger than 4, it will be null.
ColorModel cModel2 = PlanarImage.createColorModel(sModel2);
// Create a TiledImage using the sample and color models.
TiledImage processedImage = new TiledImage(0, 0, width, height, 0, 0, sModel2, cModel2);
// Set the data of the tiled image to be the raster.
processedImage.setData(rasterImage);
// Save the image to a file.
try {
ImageIO.write(processedImage, "jpg", new File("proc_" + theme + ".jpg"));
} catch (IOException e) {
log.error(e.getMessage());
}
// Save the image on a file.
return processedImage;
} else {
// Save the image to a file.
try {
ImageIO.write(img, "jpg", new File("NOTproc_" + theme + ".jpg"));
} catch (IOException e) {
log.error(e.getMessage());
}
return img;
}
}
public PlanarImage createRectifiedImage(PlanarImage Image) {
int nRows = params.getNumOfRows();
int nCols = params.getNumOfColumns();
Point rectifiedPoint;
// Get the image dimensions of the unrectified image
int width = Image.getWidth();
int height = Image.getHeight();
log.info(nRows + ", " + nCols + "\t" + width + ", " + height);
// Get an iterator for the image.
RandomIter iterator = RandomIterFactory.create(Image, null);
// Get the number of bands on the image.
SampleModel smO = Image.getSampleModel();
int nbandsO = smO.getNumBands();
// We assume that we can get the pixels values in a integer array.
double[] pixelO = new double[nbandsO];
// Get an iterator for the image.
WritableRaster rasterPollenO =
RasterFactory.createBandedRaster(
DataBuffer.TYPE_BYTE, nCols, nRows, nbandsO, new Point(0, 0));
for (int i = 0; i < nCols; i++) {
for (int j = 0; j < nRows; j++) {
rectifiedPoint =
this.getMatchingCoord(
new Point(i + 1, j + 1)); // coz java array start at 0 matlab its 1.
if (rectifiedPoint.x >= 1
&& rectifiedPoint.x < width
&& rectifiedPoint.y >= 1
&& rectifiedPoint.y < height) {
iterator.getPixel(rectifiedPoint.x - 1, rectifiedPoint.y - 1, pixelO);
rasterPollenO.setPixel(i, j, pixelO);
// log.info("setpixel: " + i + ", " + j + ", value " + pixelO[0] + ", " + pixelO[1] + ",
// " + pixelO[2] + ", " + pixelO[3]);
} else {
}
}
}
SampleModel sModel2 =
RasterFactory.createBandedSampleModel(DataBuffer.TYPE_BYTE, nCols, nRows, nbandsO);
// Try to create a compatible ColorModel - if the number of bands is
// larger than 4, it will be null.
ColorModel cModel2 = PlanarImage.createColorModel(sModel2);
// Create a TiledImage using the sample and color models.
TiledImage rectPollenImage = new TiledImage(0, 0, nCols, nRows, 0, 0, sModel2, cModel2);
// log.info(rasterPollenO.getMinX() + ", " + rasterPollenO.getMinY() );
// Set the data of the tiled image to be the raster.
rectPollenImage.setData(rasterPollenO);
// Save the image to a file.
try {
ImageIO.write(rectPollenImage, "jpg", new File("rect" + theme + ".jpg"));
} catch (IOException e) {
log.error(e.getMessage());
}
return rectPollenImage;
}
public static GGlobeRasterLayer readFile(final File file, final GProjection proj)
throws IOException, NumberFormatException {
String s = new String();
StringTokenizer st;
@SuppressWarnings("unused")
String sXOrigin, sYOrigin;
int iCols, iRows;
double dResolution;
double dNoData;
double dX, dY;
String sToken = "";
final BufferedReader fin = new BufferedReader(new FileReader(file));
s = fin.readLine();
st = new StringTokenizer(s);
sToken = st.nextToken();
sToken = st.nextToken();
iCols = Integer.parseInt(sToken);
s = fin.readLine();
st = new StringTokenizer(s);
sToken = st.nextToken();
sToken = st.nextToken();
iRows = Integer.parseInt(sToken);
s = fin.readLine();
st = new StringTokenizer(s);
sXOrigin = st.nextToken();
sToken = st.nextToken();
dX = Double.parseDouble(sToken);
s = fin.readLine();
st = new StringTokenizer(s);
sYOrigin = st.nextToken();
sToken = st.nextToken();
dY = Double.parseDouble(sToken);
s = fin.readLine();
st = new StringTokenizer(s);
sToken = st.nextToken();
sToken = st.nextToken();
dResolution = Double.parseDouble(sToken);
s = fin.readLine();
st = new StringTokenizer(s);
sToken = st.nextToken();
sToken = st.nextToken();
dNoData = Double.parseDouble(sToken);
if (sXOrigin.equals("xllcenter")) {
dX = dX - dResolution / 2d;
dY = dY - dResolution / 2d;
}
final WritableRaster raster =
RasterFactory.createBandedRaster(DataBuffer.TYPE_FLOAT, iCols, iRows, 1, null);
for (int y = 0; y < iRows; y++) {
s = fin.readLine();
st = new StringTokenizer(s);
for (int x = 0; x < iCols; x++) {
sToken = st.nextToken();
raster.setSample(x, y, 0, Double.parseDouble(sToken));
}
}
fin.close();
final GRasterGeodata extent = new GRasterGeodata(dX, dY, dResolution, iRows, iCols, proj);
final GGlobeRasterLayer layer = new GGlobeRasterLayer(raster, extent);
layer.setName(file.getName());
layer.setNoDataValue(dNoData);
return layer;
}