Set Y,X,Z bounds for the plot.

def set_bounds(self, ymin, ymax, xmin, xmax, zmin, zmax, edist=None):
        """Set Y,X,Z bounds for the plot."""
        self.ymin, self.ymax = ymin, ymax
        self.xmin, self.xmax = xmin, xmax
        self.zmin, self.zmax = zmin, zmax
        self.edist = None