Commit e9638802 authored by Fang Yuedong's avatar Fang Yuedong
Browse files

add random knots to gaalxy model

parent 40121255

ObservationSim/MockObject/Galaxy.py

+8 −8
Original line number Diff line number Diff line
@@ -131,12 +131,12 @@ class Galaxy(MockObject): 
            bulge_shape = galsim.Shear(g1=self.e1_bulge, g2=self.e2_bulge)

            bulge = bulge.shear(bulge_shape)



            gal = self.bfrac * bulge + (1.0 - self.bfrac) * disk

            # gal = self.bfrac * bulge + (1.0 - self.bfrac) * disk



            # # (TEST) Random knots

            # knots = galsim.RandomKnots(npoints=100, profile=disk)

            # kfrac = np.random.random()*(1.0 - self.bfrac)

            # gal = self.bfrac * bulge + (1.0 - self.bfrac - kfrac) * disk + kfrac * knots

            knots = galsim.RandomKnots(npoints=100, profile=disk)

            kfrac = np.random.random()*(1.0 - self.bfrac)

            gal = self.bfrac * bulge + (1.0 - self.bfrac - kfrac) * disk + kfrac * knots



            gal = gal.withFlux(nphotons)

            gal_shear = galsim.Shear(g1=g1, g2=g2)
@@ -220,12 +220,12 @@ class Galaxy(MockObject): 
            bulge_shape = galsim.Shear(g1=self.e1_bulge, g2=self.e2_bulge)

            bulge = bulge.shear(bulge_shape)



            gal = self.bfrac * bulge + (1.0 - self.bfrac) * disk

            # gal = self.bfrac * bulge + (1.0 - self.bfrac) * disk



            # (TEST) Random knots

            # knots = galsim.RandomKnots(npoints=100, profile=disk)

            # kfrac = np.random.random()*(1.0 - self.bfrac)

            # gal = self.bfrac * bulge + (1.0 - self.bfrac - kfrac) * disk + kfrac * knots

            knots = galsim.RandomKnots(npoints=100, profile=disk)

            kfrac = np.random.random()*(1.0 - self.bfrac)

            gal = self.bfrac * bulge + (1.0 - self.bfrac - kfrac) * disk + kfrac * knots



            gal = gal.withFlux(tel.pupil_area * exptime)

            gal_shear = galsim.Shear(g1=g1, g2=g2)