code: public void setRedrawTolerance(final double REDRAW_TOLERANCE) {
          redrawTolerance = REDRAW_TOLERANCE < 0 ? 0 : (REDRAW_TOLERANCE > 1 ? 1.0 : REDRAW_TOLERANCE);
          redrawFactor    = redrawTolerance * getRange();
          fireStateChanged();
      }
docs: Sets the redraw tolerance
  @param REDRAW_TOLERANCE