private void updateClips() {
if (_clipsDirty && _usePercentiles) {
boolean clipsComputed = false;
// If we just need min and max values, ...
if (_percMin == 0.0f && _percMax == 100.0f) {
if (_f instanceof float[]) {
float[] a = (float[]) _f;
_clipMin = min(a);
_clipMax = max(a);
clipsComputed = true;
} else if (_f instanceof float[][]) {
float[][] a = (float[][]) _f;
_clipMin = min(a);
_clipMax = max(a);
clipsComputed = true;
} else if (_f instanceof float[][][]) {
float[][][] a = (float[][][]) _f;
_clipMin = min(a);
_clipMax = max(a);
clipsComputed = true;
} else if (_f instanceof Float3) {
Float3 f3 = (Float3) _f;
int n1 = f3.getN1();
int n2 = f3.getN2();
int n3 = f3.getN3();
float[][] a = new float[n2][n1];
for (int i3 = 0; i3 < n3; ++i3) {
f3.get12(n1, n2, 0, 0, i3, a);
_clipMin = min(_clipMin, min(a));
_clipMax = max(_clipMax, max(a));
}
clipsComputed = true;
}
}
// Else if we must compute percentiles, ...
else {
float[] a = null;
if (_f instanceof float[]) {
a = copy((float[]) _f);
} else if (_f instanceof float[][]) {
a = flatten((float[][]) _f);
} else if (_f instanceof float[][][]) {
a = flatten((float[][][]) _f);
} else if (_f instanceof Float3) {
Float3 f3 = (Float3) _f;
int n1 = f3.getN1();
int n2 = f3.getN2();
int n3 = f3.getN3();
a = new float[n1 * n2 * n3];
f3.get123(n1, n2, n3, 0, 0, 0, a);
}
if (a != null) {
int n = a.length;
int kmin = (int) rint(_percMin * 0.01 * (n - 1));
if (kmin <= 0) {
_clipMin = min(a);
} else {
quickPartialSort(kmin, a);
_clipMin = a[kmin];
}
int kmax = (int) rint(_percMax * 0.01 * (n - 1));
if (kmax >= n - 1) {
_clipMax = max(a);
} else {
quickPartialSort(kmax, a);
_clipMax = a[kmax];
}
clipsComputed = true;
}
}
// If clips were computed, make them valid and not dirty.
if (clipsComputed) {
makeClipsValid();
_clipsDirty = false;
}
}
}
