/** Calls the given handler for all frames of the product the operator executor product. */
public Object execute(Handler handler) throws Exception {
int parallelism = Runtime.getRuntime().availableProcessors();
System.out.println("parallelism = " + parallelism);
JAI.getDefaultInstance().getTileScheduler().setParallelism(parallelism);
Dimension frameSize = getFrameSize();
int numXFrames = 1 + (product.getSceneRasterWidth() - 1) / frameSize.width;
int numYFrames = 1 + (product.getSceneRasterHeight() - 1) / frameSize.height;
Rectangle sceneRegion =
new Rectangle(product.getSceneRasterWidth(), product.getSceneRasterHeight());
for (int frameY = 0; frameY < numYFrames; frameY++) {
for (int frameX = 0; frameX < numXFrames; frameX++) {
Rectangle frameRegion =
new Rectangle(
frameX * frameSize.width,
frameY * frameSize.height,
frameSize.width,
frameSize.height)
.intersection(sceneRegion);
int numBands = product.getNumBands();
Band[] bandArray = new Band[numBands];
ProductData[] dataArray = new ProductData[numBands];
for (int b = 0; b < numBands; b++) {
Band band = product.getBandAt(b);
PlanarImage planarImage = band.getSourceImage();
Point[] indices = planarImage.getTileIndices(null);
System.out.println("indices = " + indices.length);
TileRequest tileRequest = planarImage.queueTiles(indices);
Raster raster = planarImage.getData();
System.out.println("raster = " + raster);
ProductData data = band.createCompatibleRasterData(frameRegion.width, frameRegion.height);
band.readRasterData(
frameRegion.x, frameRegion.y, frameRegion.width, frameRegion.height, data);
bandArray[b] = band;
dataArray[b] = data;
}
MyFrame frame = new MyFrame(frameRegion, bandArray, dataArray);
handler.frameComputed(frame);
}
}
return new Object();
}
