def val(self, fx, fy):
""" intensity at the pixel position (fx, fy), interpolatd from the neighbors
"""
"""
ix = int(fx)
iy = int(fy)
if ix<0 or iy<0 or ix>=self.width or iy>=self.height : return(0)
t = (1.-(fx-ix))*(1.-(fy-iy))*self.data[iy,ix]
t += (fx-ix)*(1.-(fy-iy))*self.data[iy+1,ix]
t += (1.-(fx-ix))*(fy-iy)*self.data[iy,ix+1]
t += (fx-ix)*(fy-iy)*self.data[iy+1,ix+1]
return t
"""
return RQconv.get_value(self.data, fx, fy)
