/**
* Setup the Wiener filter. This (re)initiates the cached filter values. Has to be called if the
* OTF or the shift parameters change.
*/
public void updateCache() {
Tool.Timer t1 = Tool.getTimer();
final int w = sp.vectorWidth(), h = sp.vectorHeight();
t1.start();
wDenom = Vec2d.createReal(2 * w, 2 * h);
boolean useAtt = sp.otf().isAttenuate();
// loop directions, bands
for (int d = 0; d < sp.nrDir(); d++) {
for (int b = 0; b < sp.dir(d).nrBand(); b++) {
addWienerDenominator(wDenom, d, b, useAtt);
}
}
t1.stop();
Tool.trace("Wiener filter setup complete, took " + t1);
}
