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Commit cd1351bc authored by xin's avatar xin
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parent 364e4c76
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ObservationSim/MockObject/MockObject.py
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...@@ -252,7 +252,7 @@ class MockObject(object): ...@@ -252,7 +252,7 @@ class MockObject(object):
return True, pos_shear return True, pos_shear
def addSLStoChipImage(self, sdp = None, chip = None, xOrderSigPlus = None, local_wcs=None): def addSLStoChipImage(self, sdp = None, chip = None, xOrderSigPlus = None):
spec_orders = sdp.compute_spec_orders() spec_orders = sdp.compute_spec_orders()
for k, v in spec_orders.items(): for k, v in spec_orders.items():
img_s = v[0] img_s = v[0]
...@@ -267,17 +267,15 @@ class MockObject(object): ...@@ -267,17 +267,15 @@ class MockObject(object):
xlen_imf = int(specImg.xmax - specImg.xmin + 1) xlen_imf = int(specImg.xmax - specImg.xmin + 1)
ylen_imf = int(specImg.ymax - specImg.ymin + 1) ylen_imf = int(specImg.ymax - specImg.ymin + 1)
stamp = galsim.ImageF(xlen_imf, ylen_imf) stamp = galsim.ImageF(xlen_imf, ylen_imf)
stamp.wcs = local_wcs stamp.wcs = self.localWCS
stamp.setOrigin(origin_order_x, origin_order_y) stamp.setOrigin(origin_order_x, origin_order_y)
bounds = stamp.bounds & galsim.BoundsI(0, chip.npix_x-1, 0, chip.npix_y-1) bounds = stamp.bounds & chip.img.bounds
if bounds.area() == 0: if bounds.area() == 0:
continue continue
chip.img.setOrigin(0, 0)
stamp[bounds] = chip.img[bounds] stamp[bounds] = chip.img[bounds]
chip.sensor.accumulate(photons, stamp) chip.sensor.accumulate(photons, stamp)
chip.img[bounds] = stamp[bounds] chip.img[bounds] = stamp[bounds]
chip.img.setOrigin(chip.bound.xmin, chip.bound.ymin)
del stamp del stamp
del spec_orders del spec_orders
...@@ -303,20 +301,9 @@ class MockObject(object): ...@@ -303,20 +301,9 @@ class MockObject(object):
normalSED = Table(np.array([self.sed['WAVELENGTH'], self.sed['FLUX'] * sedNormFactor]).T, normalSED = Table(np.array([self.sed['WAVELENGTH'], self.sed['FLUX'] * sedNormFactor]).T,
names=('WAVELENGTH', 'FLUX')) names=('WAVELENGTH', 'FLUX'))
real_pos = self.getRealPos(chip.img, global_x=self.posImg.x, global_y=self.posImg.y, img_real_wcs=self.real_wcs)
x, y = real_pos.x + 0.5, real_pos.y + 0.5
x_nominal = int(np.floor(x + 0.5))
y_nominal = int(np.floor(y + 0.5))
dx = x - x_nominal
dy = y - y_nominal
offset = galsim.PositionD(dx, dy)
real_wcs_local = self.real_wcs.local(real_pos)
xOrderSigPlus = {'A':1.3909419820029296,'B':1.4760376591236062,'C':4.035447379743442,'D':5.5684364343742825,'E':16.260021029735388} xOrderSigPlus = {'A':1.3909419820029296,'B':1.4760376591236062,'C':4.035447379743442,'D':5.5684364343742825,'E':16.260021029735388}
grating_split_pos_chip = 0 + grating_split_pos grating_split_pos_chip = chip.bound.xmin + grating_split_pos
for i in range(len(bandpass_list)): for i in range(len(bandpass_list)):
bandpass = bandpass_list[i] bandpass = bandpass_list[i]
psf, pos_shear = psf_model.get_PSF(chip=chip, pos_img=pos_img, bandpass=bandpass, folding_threshold=folding_threshold) psf, pos_shear = psf_model.get_PSF(chip=chip, pos_img=pos_img, bandpass=bandpass, folding_threshold=folding_threshold)
...@@ -325,8 +312,8 @@ class MockObject(object): ...@@ -325,8 +312,8 @@ class MockObject(object):
star = galsim.Convolve(psf, star) star = galsim.Convolve(psf, star)
starImg = star.drawImage(nx=100, ny=100, wcs=self.localWCS) starImg = star.drawImage(nx=100, ny=100, wcs=self.localWCS)
origin_star = [y_nominal - (starImg.center.y - starImg.ymin), origin_star = [self.y_nominal - (starImg.center.y - starImg.ymin),
x_nominal - (starImg.center.x - starImg.xmin)] self.x_nominal - (starImg.center.x - starImg.xmin)]
gal_origin = [origin_star[0], origin_star[1]] gal_origin = [origin_star[0], origin_star[1]]
gal_end = [origin_star[0] + starImg.array.shape[0] - 1, origin_star[1] + starImg.array.shape[1] - 1] gal_end = [origin_star[0] + starImg.array.shape[0] - 1, origin_star[1] + starImg.array.shape[1] - 1]
...@@ -338,8 +325,8 @@ class MockObject(object): ...@@ -338,8 +325,8 @@ class MockObject(object):
subImg_p1 = starImg.array[:, 0:subSlitPos] subImg_p1 = starImg.array[:, 0:subSlitPos]
star_p1 = galsim.Image(subImg_p1) star_p1 = galsim.Image(subImg_p1)
origin_p1 = origin_star origin_p1 = origin_star
xcenter_p1 = min(x_nominal,grating_split_pos_chip-1) - 0 xcenter_p1 = min(self.x_nominal,grating_split_pos_chip-1) - chip.bound.xmin
ycenter_p1 = y_nominal-0 ycenter_p1 = self.y_nominal-chip.bound.ymin
sdp_p1 = SpecDisperser(orig_img=star_p1, xcenter=xcenter_p1, sdp_p1 = SpecDisperser(orig_img=star_p1, xcenter=xcenter_p1,
ycenter=ycenter_p1, origin=origin_p1, ycenter=ycenter_p1, origin=origin_p1,
...@@ -348,13 +335,13 @@ class MockObject(object): ...@@ -348,13 +335,13 @@ class MockObject(object):
conf=chip.sls_conf[0], conf=chip.sls_conf[0],
isAlongY=0) isAlongY=0)
self.addSLStoChipImage(sdp=sdp_p1, chip=chip, xOrderSigPlus = xOrderSigPlus, local_wcs=real_wcs_local) self.addSLStoChipImage(sdp=sdp_p1, chip=chip, xOrderSigPlus = xOrderSigPlus)
subImg_p2 = starImg.array[:, subSlitPos+1:starImg.array.shape[1]] subImg_p2 = starImg.array[:, subSlitPos+1:starImg.array.shape[1]]
star_p2 = galsim.Image(subImg_p2) star_p2 = galsim.Image(subImg_p2)
origin_p2 = [origin_star[0], grating_split_pos_chip] origin_p2 = [origin_star[0], grating_split_pos_chip]
xcenter_p2 = max(x_nominal, grating_split_pos_chip - 1) - 0 xcenter_p2 = max(self.x_nominal, grating_split_pos_chip - 1) - chip.bound.xmin
ycenter_p2 = y_nominal - 0 ycenter_p2 = self.y_nominal - chip.bound.ymin
sdp_p2 = SpecDisperser(orig_img=star_p2, xcenter=xcenter_p2, sdp_p2 = SpecDisperser(orig_img=star_p2, xcenter=xcenter_p2,
ycenter=ycenter_p2, origin=origin_p2, ycenter=ycenter_p2, origin=origin_p2,
...@@ -363,27 +350,27 @@ class MockObject(object): ...@@ -363,27 +350,27 @@ class MockObject(object):
conf=chip.sls_conf[1], conf=chip.sls_conf[1],
isAlongY=0) isAlongY=0)
self.addSLStoChipImage(sdp=sdp_p2, chip=chip,xOrderSigPlus = xOrderSigPlus, local_wcs=real_wcs_local) self.addSLStoChipImage(sdp=sdp_p2, chip=chip,xOrderSigPlus = xOrderSigPlus)
del sdp_p1 del sdp_p1
del sdp_p2 del sdp_p2
elif grating_split_pos_chip<=gal_origin[1]: elif grating_split_pos_chip<=gal_origin[1]:
sdp = SpecDisperser(orig_img=starImg, xcenter=x_nominal - 0, sdp = SpecDisperser(orig_img=starImg, xcenter=self.x_nominal - chip.bound.xmin,
ycenter=y_nominal - 0, origin=origin_star, ycenter=self.y_nominal - chip.bound.ymin, origin=origin_star,
tar_spec=normalSED, tar_spec=normalSED,
band_start=bandpass.blue_limit * 10, band_end=bandpass.red_limit * 10, band_start=bandpass.blue_limit * 10, band_end=bandpass.red_limit * 10,
conf=chip.sls_conf[1], conf=chip.sls_conf[1],
isAlongY=0) isAlongY=0)
self.addSLStoChipImage(sdp=sdp, chip=chip, xOrderSigPlus = xOrderSigPlus, local_wcs=real_wcs_local) self.addSLStoChipImage(sdp=sdp, chip=chip, xOrderSigPlus = xOrderSigPlus)
del sdp del sdp
elif grating_split_pos_chip>=gal_end[1]: elif grating_split_pos_chip>=gal_end[1]:
sdp = SpecDisperser(orig_img=starImg, xcenter=x_nominal - 0, sdp = SpecDisperser(orig_img=starImg, xcenter=self.x_nominal - chip.bound.xmin,
ycenter=y_nominal - 0, origin=origin_star, ycenter=self.y_nominal - chip.bound.ymin, origin=origin_star,
tar_spec=normalSED, tar_spec=normalSED,
band_start=bandpass.blue_limit * 10, band_end=bandpass.red_limit * 10, band_start=bandpass.blue_limit * 10, band_end=bandpass.red_limit * 10,
conf=chip.sls_conf[0], conf=chip.sls_conf[0],
isAlongY=0) isAlongY=0)
self.addSLStoChipImage(sdp=sdp, chip=chip, xOrderSigPlus = xOrderSigPlus, local_wcs=real_wcs_local) self.addSLStoChipImage(sdp=sdp, chip=chip, xOrderSigPlus = xOrderSigPlus)
del sdp del sdp
del psf del psf
return True, pos_shear return True, pos_shear
......
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