public static void main(String[] args) {
// n_cpus=1;
new MtreadingTest();
System.out.println("CPUs " + n_cpus + "");
int[] dims = {2000, 2000};
final int size = Util.cumprod(dims);
byte[] byte_pixels = Util.rampByte(size, 100);
final Thread[] threads = new Thread[n_cpus];
int csize = size / n_cpus;
System.out.println("size " + size + " csize " + csize + "");
final int overlap = 10;
try {
final Access<Byte> accesin = Access.rawAccess(byte_pixels, null);
for (int ithread = 0; ithread < threads.length; ithread++) {
final int offset = ithread * csize;
int climit = offset + csize + overlap;
if (ithread == threads.length - 1) climit = size;
final int limit = climit;
// System.out.println("offset "+offset+" limit "+limit);
final int u = ithread;
threads[ithread] =
new Thread() {
int _id = u;
boolean _debug = debug;
{
setPriority(Thread.NORM_PRIORITY);
}
// task specific code goes here
public void run() {
for (int i = offset; i < limit; i++) {
int p = accesin.elementInt(i) + 1;
accesin.putInt(i, p);
}
if (_debug) System.out.println("finishing " + limit + " " + _id);
} // end run
}; // end thread
// Concurrently run in as many threads as CPUs
} // end for
long time = -System.currentTimeMillis();
startAndJoin(threads);
time += System.currentTimeMillis();
System.out.println("run time " + time + " ");
PixelCube<Byte, BaseIndex> pci = new PixelCube<Byte, BaseIndex>(dims, byte_pixels);
new ImageJ();
PixLib plib = new PixLib();
ImagePlus imp1 = null;
try {
imp1 = plib.imageFrom("test", pci);
} catch (UnsupportedTypeException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
imp1.show();
} catch (UnsupportedTypeException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/** @param args */
public static void main(String[] args) {
final int[] dims = {50, 30};
final int n = 1500;
final short[] short_pixels = Util.rampShort(n, 0);
// final int[] int_pixels=Util.rampInt(n,0);
final float[] float_pixels = Util.rampFloat(n, 0);
final short[] labels = {0, 1, 2};
final int[] borders = {0, 10, 200, 1000};
final float[] flabels = {0, 1, 2};
final float[] fborders = {0.0f, 10, 200, 1000};
PixelCube<Short, BaseIndex> pci = new PixelCube<Short, BaseIndex>(dims, short_pixels);
pci.setIterationPattern(IP_FWD + IP_SINGLE);
pci.setIndexing(BASE_INDEXING);
PixelCube<Short, BaseIndex> outc = (PixelCube<Short, BaseIndex>) pci.clone();
RasterForwardIterator<Short> in = (RasterForwardIterator<Short>) pci.iterator();
RasterForwardIterator<Short> out = (RasterForwardIterator<Short>) outc.iterator();
Labeling<Short> labeling = new Labeling<Short>(labels, borders);
labeling.setIO(in, out);
labeling.run();
new ImageJ();
PixLib plib = new PixLib();
ImagePlus imp1 = null;
try {
imp1 = plib.imageFrom("test", pci);
} catch (UnsupportedTypeException e2) {
// TODO Auto-generated catch block
e2.printStackTrace();
}
imp1.show();
ImagePlus imp2 = null;
try {
imp2 = plib.imageFrom("thresholded", outc);
} catch (UnsupportedTypeException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
imp2.show();
PixelCube<Float, BaseIndex> pcif = new PixelCube<Float, BaseIndex>(dims, float_pixels);
pcif.setIterationPattern(IP_FWD + IP_SINGLE);
pcif.setIndexing(BASE_INDEXING);
PixelCube<Float, BaseIndex> outcf = (PixelCube<Float, BaseIndex>) pcif.clone();
RasterForwardIterator<Float> inf = (RasterForwardIterator<Float>) pcif.iterator();
RasterForwardIterator<Float> outf = (RasterForwardIterator<Float>) outcf.iterator();
Labeling<Float> labelingf = new Labeling<Float>(flabels, fborders);
labelingf.setIO(inf, outf);
Float elem = Float.valueOf(3.0f);
System.out.println(labelingf.mapFloat(elem).getClass());
labelingf.run();
// PixLib plibf=new PixLib();
ImagePlus imp3 = null;
try {
imp3 = plib.imageFrom("test", pcif);
} catch (UnsupportedTypeException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
imp3.show();
ImagePlus imp4 = null;
try {
imp4 = plib.imageFrom("thresholded", outcf);
} catch (UnsupportedTypeException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
imp4.show();
}