/**
* this test is only for manual usage with enough memory allocated.
*
* @throws Exception
*/
@Test
@Ignore
public void testVeryBigDataFiles() throws Exception {
Fits f = new Fits();
ImageData data = new ImageData(new float[50000][50000]);
Header manufactureHeader = ImageHDU.manufactureHeader(data);
f.addHDU(FitsFactory.hduFactory(manufactureHeader, data));
BufferedFile bf = new BufferedFile("target/big.fits", "rw");
f.write(bf);
System.out.println(Arrays.toString(ArrayFuncs.getDimensions(f.getHDU(0).getData().getData())));
f = new Fits("target/big.fits");
System.out.println(Arrays.toString(ArrayFuncs.getDimensions(f.getHDU(0).getData().getData())));
}
private Object[] getSampleCols(float base) {
float[] realCol = new float[50];
for (int i = 0; i < realCol.length; i += 1) {
realCol[i] = base * i * i * i + 1;
}
int[] intCol = (int[]) ArrayFuncs.convertArray(realCol, int.class);
long[] longCol = (long[]) ArrayFuncs.convertArray(realCol, long.class);
double[] doubleCol = (double[]) ArrayFuncs.convertArray(realCol, double.class);
String[] strCol = new String[realCol.length];
for (int i = 0; i < realCol.length; i += 1) {
strCol[i] = "ABC" + String.valueOf(realCol[i]) + "CDE";
}
return new Object[] {realCol, intCol, longCol, doubleCol, strCol};
}
private void prepareData() {
double[] img = null;
try {
Object dataArray = tiler.getTile(new int[] {0, 0}, hdu.getAxes());
img = (double[]) ArrayFuncs.convertArray(dataArray, double.class);
data = (float[]) ArrayFuncs.convertArray(img, float.class);
processingFriendlyData = (double[][]) ArrayFuncs.convertArray(hdu.getKernel(), double.class);
imageFriendlyData = new double[width * height];
for (int h = height - 1; h >= 0; h--) {
for (int w = 0; w < width; w++) {
imageFriendlyData[h * width + w] = (img[(height - 1 - h) * width + w]);
}
}
} catch (IOException | FitsException e) {
e.printStackTrace();
}
System.out.println(processingFriendlyData.length + ", " + processingFriendlyData[0].length);
}