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hub / github.com/AstroImageJ/astroimagej / getVoxel

Method getVoxel

ij/src/main/java/ij/ImageStack.java:414–433  ·  view source on GitHub ↗

Returns, as a double, the value of the specified voxel. Throws an IndexOutOfBoundsException if x, y or z are beyond the stack limits. Use the ImagePlus.getStackIndex() method to convert a C,Z,T hyperstack position (one-based) into a z index (zero-based). @see ij.ImagePlus#getStackIndex

(int x, int y, int z)

Source from the content-addressed store, hash-verified

412 * @see ij.ImagePlus#getStackIndex
413 */
414 public final double getVoxel(int x, int y, int z) {
415 if (x>=0 && x<width && y>=0 && y<height && z>=0 && z<nSlices) {
416 switch (bitDepth) {
417 case 8:
418 byte[] bytes = (byte[])stack[z];
419 return bytes[y*width+x]&0xff;
420 case 16:
421 short[] shorts = (short[])stack[z];
422 return shorts[y*width+x]&0xffff;
423 case 32:
424 float[] floats = (float[])stack[z];
425 return floats[y*width+x];
426 case 24:
427 int[] ints = (int[])stack[z];
428 return ints[y*width+x]&0xffffffff;
429 default: return Double.NaN;
430 }
431 } else
432 throw new IndexOutOfBoundsException();
433 }
434
435 /** Sets the value of the specified voxel. */
436 public final void setVoxel(int x, int y, int z, double value) {

Callers 5

getVoxelsMethod · 0.95
setVoxelsMethod · 0.95
shrinkZMethod · 0.80
filter3DMethod · 0.80
getNeighborhoodMethod · 0.80

Calls

no outgoing calls

Tested by

no test coverage detected