/**
  * Sets the pixels, and min&max values from a FloatProcessor. Also the values are taken from the
  * FloatProcessor.
  *
  * @param channelNumber Ignored (needed for compatibility with ColorProcessor.toFloat)
  * @param fp The FloatProcessor where the image data are read from.
  */
 public void setPixels(int channelNumber, FloatProcessor fp) {
   if (fp.getPixels() != getPixels()) setPixels(fp.getPixels());
   setMinAndMax(fp.getMin(), fp.getMax());
 }