def main():
nnn = 512
boxsize = 4.0
zl = 0.1
zs = 1.0
p_mass = 1.0
dsx = boxsize/nnn
xi1 = np.linspace(-boxsize/2.0,boxsize/2.0-dsx,nnn)+0.5*dsx
xi2 = np.linspace(-boxsize/2.0,boxsize/2.0-dsx,nnn)+0.5*dsx
xi1,xi2 = np.meshgrid(xi1,xi2)
#----------------------------------------------------
# lens parameters for main halo
xlc1 = 0.0
xlc2 = 0.0
ql0 = 0.999999999999
rc0 = 0.000000000001
re0 = 1.0
phi0 = 0.0
lpar = np.asarray([xlc1, xlc2, re0, rc0, ql0, phi0])
lpars_list = []
lpars_list.append(lpar)
#----------------------------------------------------
sdens = lpar_nie_kappa(xi1,xi2,lpar)
#pii,aii1,aii2 = multiple_new_nie_all(xi1,xi2,lpars_list)
phi,phi1,phi2,td = lf.call_all_about_lensing(sdens,nnn,zl,zs,p_mass,dsx)
def main():
nnn = 512
boxsize = 4.0
dsx = boxsize / nnn
xi1 = np.linspace(-boxsize / 2.0, boxsize / 2.0 - dsx, nnn) + 0.5 * dsx
xi2 = np.linspace(-boxsize / 2.0, boxsize / 2.0 - dsx, nnn) + 0.5 * dsx
xi1, xi2 = np.meshgrid(xi1, xi2)
# cc = find_critical_curve(mu)
pygame.init()
FPS = 60
fpsClock = pygame.time.Clock()
screen = pygame.display.set_mode((nnn, nnn), 0, 32)
pygame.display.set_caption("Gravitational Lensing Toy")
mouse_cursor = pygame.Surface((nnn, nnn))
# ----------------------------------------------------
base0 = np.zeros((nnn, nnn, 3), "uint8")
base1 = np.zeros((nnn, nnn, 3), "uint8")
base2 = np.zeros((nnn, nnn, 3), "uint8")
# ----------------------------------------------------
# lens parameters for main halo
xlc1 = 0.0
xlc2 = 0.0
ql0 = 0.699999999999
rc0 = 0.000000000001
re0 = 1.0
phi0 = 30.0
lpar = np.asarray([xlc1, xlc2, re0, rc0, ql0, phi0])
lpars_list = []
lpars_list.append(lpar)
# ----------------------------------------------------
# lens parameters for main halo
xls1 = 0.7
xls2 = 0.8
qls = 0.999999999999
rcs = 0.000000000001
res = 0.0
phis = 0.0
lpars = np.asarray([xls1, xls2, res, rcs, qls, phis])
lpars_list.append(lpars)
ap0 = 1.0
l_sig0 = 0.5
glpar = np.asarray([ap0, l_sig0, xlc1, xlc2, ql0, phi0])
g_lens = lens_galaxies(xi1, xi2, glpar)
base0[:, :, 0] = g_lens * 256
base0[:, :, 1] = g_lens * 128
base0[:, :, 2] = g_lens * 0
x = 0
y = 0
step = 1
gr_sig = 0.1
LeftButton = 0
# ----------------------------------------------------
ic = FPS / 4.0
i = 0
zl = 0.1
zs = 1.0
p_mass = 1.0
while True:
i = i + 1
for event in pygame.event.get():
if event.type == QUIT:
exit()
if event.type == MOUSEMOTION:
if event.buttons[LeftButton]:
rel = event.rel
x += rel[0]
y += rel[1]
# ----------------------------------------------
if event.type == pygame.MOUSEBUTTONDOWN:
if event.button == 4:
gr_sig -= 0.1
if gr_sig < 0.01:
gr_sig = 0.01
elif event.button == 5:
gr_sig += 0.01
if gr_sig > 0.4:
gr_sig = 0.4
keys = pygame.key.get_pressed() # checking pressed keys
if keys[pygame.K_RIGHT]:
x += step
if x > 500:
x = 500
if keys[pygame.K_LSHIFT] & keys[pygame.K_RIGHT]:
x += 30 * step
if keys[pygame.K_LEFT]:
x -= step
if x < -500:
x = -500
if keys[pygame.K_LSHIFT] & keys[pygame.K_LEFT]:
x -= 30 * step
if keys[pygame.K_UP]:
y -= step
if y < -500:
y = -500
if keys[pygame.K_LSHIFT] & keys[pygame.K_UP]:
y -= 30 * step
if keys[pygame.K_DOWN]:
y += step
if y > 500:
y = 500
if keys[pygame.K_LSHIFT] & keys[pygame.K_DOWN]:
y += 30 * step
# ----------------------------------------------
if keys[pygame.K_MINUS]:
gr_sig -= 0.01
if gr_sig < 0.01:
gr_sig = 0.01
if keys[pygame.K_EQUALS]:
gr_sig += 0.01
if gr_sig > 0.1:
gr_sig = 0.1
# gr_sig = 0.005
# ----------------------------------------------
# parameters of source galaxies.
# ----------------------------------------------
g_amp = 1.0 # peak brightness value
g_sig = gr_sig # Gaussian "sigma" (i.e., size)
g_xcen = x * 2.0 / nnn # x position of center
g_ycen = y * 2.0 / nnn # y position of center
g_axrat = 1.0 # minor-to-major axis ratio
g_pa = 0.0 # major-axis position angle (degrees) c.c.w. from y axis
gpar = np.asarray([g_amp, g_sig, g_ycen, g_xcen, g_axrat, g_pa])
# ----------------------------------------------
sdens = lpar_nie_kappa(xi1, xi2, lpar)
# phi,ai1,ai2,td,mu,kappa = lf.call_all_about_lensing(sdens,nnn,zl,zs,p_mass,dsx)
phi, ai1, ai2, td = lf.call_all_about_lensing(sdens, nnn, zl, zs, p_mass, dsx)
yi1 = xi1 - ai2
yi2 = xi2 - ai1
g_image, g_lensimage = lensed_images(xi1, xi2, yi1, yi2, gpar)
base1[:, :, 0] = g_image * 256
base1[:, :, 1] = g_image * 256
base1[:, :, 2] = g_image * 256
# sktd = (td-td.min())/(td.max()-td.min())*ic/2
sktd = (td) / (1.5) * ic / 2
itmp = (i + FPS / 8 - sktd) % (FPS)
ratio = (ic - itmp) * itmp / (ic / 2.0) ** 2.0
ratio[ratio < 0] = 0.0
# base2[:,:,0] = g_lensimage*102*(1+ratio)
# base2[:,:,1] = g_lensimage*178*(1+ratio)
# base2[:,:,2] = g_lensimage*256*(1+ratio)
base2[:, :, 0] = g_lensimage * 102 * (1.0 + ratio) / 2
base2[:, :, 1] = g_lensimage * 178 * (1.0 + ratio) / 2
base2[:, :, 2] = g_lensimage * 256 * (1.0 + ratio) / 2
wf = base1 + base2
idx1 = wf >= base0
idx2 = wf < base0
base = base0 * 0
base[idx1] = wf[idx1]
base[idx2] = base0[idx2]
# base = wf*base0+(base1+base2)
pygame.surfarray.blit_array(mouse_cursor, base)
screen.blit(mouse_cursor, (0, 0))
# font=pygame.font.SysFont(None,30)
# text = font.render("( "+str(x)+", "+str(-y)+" )", True, (255, 255, 255))
# screen.blit(text,(10, 10))
pygame.display.update()
fpsClock.tick(FPS)
def main():
sdens = pyfits.getdata("/Users/uranus/Desktop/hlsp_frontier_model_abell2744_cats_v1_kappa.fits")
print type(sdens)
kappa = np.array(sdens,dtype='<d')
#sdens = sdens.astype('<double')
nnn = np.shape(kappa)[0]
boxsize = 4.0
zl = 0.1
zs = 1.0
p_mass = 1.0
dsx = boxsize/nnn
xi1 = np.linspace(-boxsize/2.0,boxsize/2.0-dsx,nnn)+0.5*dsx
xi2 = np.linspace(-boxsize/2.0,boxsize/2.0-dsx,nnn)+0.5*dsx
xi1,xi2 = np.meshgrid(xi1,xi2)
#----------------------------------------------------
# lens parameters for main halo
xlc1 = 0.0
xlc2 = 0.0
ql0 = 0.999999999999
rc0 = 0.000000000001
re0 = 1.0
phi0 = 0.0
lpar = np.asarray([xlc1, xlc2, re0, rc0, ql0, phi0])
lpars_list = []
lpars_list.append(lpar)
#----------------------------------------------------
#sdens = lpar_nie_kappa(xi1,xi2,lpar)
#pii,pii1,pii2 = multiple_new_nie_all(xi1,xi2,lpars_list)
phi,phi1,phi2,td = lf.call_all_about_lensing(kappa,nnn,zl,zs,p_mass,dsx)
phi2,phi1 = np.gradient(phi,dsx)
phi12,phi11 = np.gradient(phi1,dsx)
phi22,phi21 = np.gradient(phi2,dsx)
kappac = 0.5*(phi11+phi22)
mu = 1.0/(1.0-(phi11+phi22)+phi11*phi22-phi12*phi21)
critical = lf.call_find_critical_curve(mu)
pl.figure(figsize=(10,10))
pl.contour(critical)
##----------------------------------------------------
## lens parameters for main halo
#xls1 = 0.7
#xls2 = 0.8
#qls = 0.999999999999
#rcs = 0.000000000001
#res = 0.5
#phis = 0.0
#lpars = np.asarray([xls1, xls2, res, rcs, qls, phis])
#lpars_list.append(lpars)
#sdens = lpar_nie_kappa(xi1,xi2,lpar)
#pii,pii1,pii2 = multiple_new_nie_all(xi1,xi2,lpars_list)
#phi,alpha1,alpha2,td = lf.call_all_about_lensing(sdens,nnn,zl,zs,p_mass,dsx)
#phi12,phi11 = np.gradient(alpha2,dsx)
#phi22,phi21 = np.gradient(alpha1,dsx)
#kappai = 0.5*(phi11+phi22)
#--------------------------------------------------------------------
#sdens_pad = np.zeros((nnn*2,nnn*2))
#sdens_pad[nnn/2:nnn/2*3,nnn/2:nnn/2*3] = sdens
#green_in = green_iso(nnn*2,dsx)
#phi,alpha1,alpha2,td,mu,kappas = fft_lensing_signals(sdens_pad,green_in,dsx)
#--------------------------------------------------------------------
#Kc = 1.0
##Kc = (1.0+zl)/c*(Dl*Ds/Dls)
#td = Kc*(0.5*((phi1)**2.0+(phi2)**2.0)-pii)
#tdi = Kc*(0.5*((pii1)**2.0+(pii2)**2.0)-pii)
##levels = [-1.6,-1.2,-0.8,-0.4,0.0,0.4,0.8,1.2,1.6]
#pl.figure()
#pl.contourf(xi1,xi2,np.log10(kappai))
#pl.colorbar()
#pl.figure()
#pl.contourf(xi1,xi2,np.log10(kappas))
#pl.colorbar()
#pl.figure()
#pl.imshow((np.sqrt(phi1*phi1+phi2*phi2)-np.sqrt(aii1*aii1+aii2*aii2))/np.sqrt(phi1*phi1+phi2*phi2), aspect='auto', cmap=pl.get_cmap(pl.cm.jet),vmin=-0.01, vmax=0.01 )
#pl.colorbar()
##levels = [-0.8,-0.4,0.0,0.4,0.8,1.2,1.6,2.0]
#pl.figure()
##pl.contourf(xi1,xi2,np.log10(kappac),levels)
##pl.colorbar()
##print np.max((kappac-sdens)/sdens),np.mean((kappac-sdens)/sdens)
#pl.imshow((kappac-sdens)/sdens, aspect='auto', cmap=pl.get_cmap(pl.cm.jet),vmin=-0.01, vmax=0.01)
#pl.colorbar()
##pl.contour(xi1,xi2,np.log10(kappac),levels,colors=['k',])
##pl.contour(xi1,xi2,np.log10(sdens),levels,colors=['r',])
pl.plot(kappac[nnn/2-1,:],'k-')
pl.plot(sdens[nnn/2-1,:],'r-')
pl.show()
##levels = [3.0,2.5,2.0,1.5,1.0,0.5,0.0,-0.5]
#pl.figure()
##pl.contour(xi1,xi2,phi,levels,colors=['k',])
##pl.contour(xi1,xi2,pii,levels,colors=['r',])
###pl.imshow((phi-(np.median(phi-pii))-pii)/phi, aspect='auto', cmap=pl.get_cmap(pl.cm.jet),vmin=-0.01, vmax=0.01)
###pl.imshow((phi-pii)/phi, aspect='auto', cmap=pl.get_cmap(pl.cm.jet))#,vmin=-0.01, vmax=0.01)
##pl.colorbar()
#pl.plot(pii[nnn/2-1,:],'k-')
#pl.plot(phi[nnn/2-1,:],'r-')
#pl.show()
#levels = [-1.6,-1.2,-0.8,-0.4,0.0,0.4,0.8,1.2,1.6]
#pl.figure()
##pl.contour(xi1,xi2,np.sqrt(pii2**2.0+pii1**2.0),levels,colors=['k',])
##pl.contour(xi1,xi2,np.sqrt(phi2**2.0+phi1**2.0),levels,colors=['r',])
##pl.colorbar()
#pl.plot(np.sqrt(pii2**2.0+pii1**2.0)[nnn/2-1,:],'k-')
#pl.plot(np.sqrt(phi2**2.0+phi1**2.0)[nnn/2-1,:],'r-')
#levels = [-2.0,-1.5,-1.0,-0.5,0.0,0.5,1.0,1.5,2.0]
#pl.figure()
#pl.contourf(xi1,xi2,td,levels)#,colors=['k',])
#pl.colorbar()
#pl.figure()
#pl.contourf(xi1,xi2,tdi,levels)#,colors=['r',])
#pl.colorbar()
##----------------------------------------------------
#data = np.fromfile("./out_iso.bin",dtype=np.double)
#data = data.reshape((np.sqrt(len(data)),np.sqrt(len(data))))
#pl.figure()
#pl.contourf(data)
#pl.colorbar()
pl.show()
def main():
#nnn = 512
#boxsize = 4.0
#dsx = boxsize/nnn
#xi1 = np.linspace(-boxsize/2.0,boxsize/2.0-dsx,nnn)+0.5*dsx
#xi2 = np.linspace(-boxsize/2.0,boxsize/2.0-dsx,nnn)+0.5*dsx
#xi1,xi2 = np.meshgrid(xi1,xi2)
#cc = find_critical_curve(mu)
import sys
filename = sys.argv[1]
#sdens = pyfits.getdata("/Users/uranus/Desktop/hlsp_frontier_model_abell2744_cats_v1_kappa.fits")
sdens = pyfits.getdata(filename)
kappa0 = np.array(sdens,dtype='<d')
kappa=congrid.congrid(kappa0,[768,768])
nnn = np.shape(kappa)[0]
boxsize = 4.0
dsx = boxsize/nnn
xi1 = np.linspace(-boxsize/2.0,boxsize/2.0-dsx,nnn)+0.5*dsx
xi2 = np.linspace(-boxsize/2.0,boxsize/2.0-dsx,nnn)+0.5*dsx
xi1,xi2 = np.meshgrid(xi1,xi2)
pygame.init()
FPS = 30
fpsClock = pygame.time.Clock()
screen = pygame.display.set_mode((nnn, nnn), 0, 32)
pygame.display.set_caption("Gravitational Lensing Toy")
mouse_cursor = pygame.Surface((nnn,nnn))
#----------------------------------------------------
base0 = np.zeros((nnn,nnn,3),'uint8')
base1 = np.zeros((nnn,nnn,3),'uint8')
base2 = np.zeros((nnn,nnn,3),'uint8')
base3 = np.zeros((nnn,nnn,3),'uint8')
base4 = np.zeros((nnn,nnn,3),'uint8')
#----------------------------------------------------
# lens parameters for main halo
xlc1 = 0.0
xlc2 = 0.0
ql0 = 0.699999999999
rc0 = 0.000000000001
re0 = 1.0
phi0 = 30.0
lpar = np.asarray([xlc1, xlc2, re0, rc0, ql0, phi0])
lpars_list = []
lpars_list.append(lpar)
#----------------------------------------------------
# lens parameters for main halo
xls1 = 0.7
xls2 = 0.8
qls = 0.999999999999
rcs = 0.000000000001
res = 0.0
phis = 0.0
lpars = np.asarray([xls1, xls2, res, rcs, qls, phis])
lpars_list.append(lpars)
ap0 = 1.0
l_sig0 = 0.5
glpar = np.asarray([ap0,l_sig0,xlc1,xlc2,ql0,phi0])
g_lens = lens_galaxies(xi1,xi2,glpar)
base0[:,:,0] = g_lens*256
base0[:,:,1] = g_lens*128
base0[:,:,2] = g_lens*0
x = 0
y = 0
gr_sig = dsx*2
LeftButton=0
#----------------------------------------------------
ic = FPS/4.0
i = 0
zl = 0.1
zs = 1.0
p_mass = 1.0
#----------------------------------------------------
phi,phi1,phi2,td = lf.call_all_about_lensing(kappa,nnn,zl,zs,p_mass,dsx)
phi2,phi1 = np.gradient(phi,dsx)
phi12,phi11 = np.gradient(phi1,dsx)
phi22,phi21 = np.gradient(phi2,dsx)
#kappac = 0.5*(phi11+phi22)
mu = 1.0/(1.0-(phi11+phi22)+phi11*phi22-phi12*phi21)
critical = lf.call_find_critical_curve(mu)
yi1 = xi1-phi1
yi2 = xi2-phi2
idx = critical > 0.0
yif1 = yi1[idx]
yif2 = yi2[idx]
caustic = lf.call_find_caustic(yif1,yif2,nnn,nnn,boxsize)
while True:
i = i+1
for event in pygame.event.get():
if event.type == QUIT:
exit()
if event.type == MOUSEMOTION:
if event.buttons[LeftButton]:
rel = event.rel
x += rel[0]
y += rel[1]
#----------------------------------------------
if event.type == pygame.MOUSEBUTTONDOWN:
if event.button == 4:
gr_sig -= 0.1*dsx
if gr_sig <0.01:
gr_sig = 0.01
elif event.button == 5:
gr_sig += 0.01*dsx
if gr_sig >0.4:
gr_sig = 0.4
#----------------------------------------------
#parameters of source galaxies.
#----------------------------------------------
g_amp = 1.0 # peak brightness value
g_sig = gr_sig # Gaussian "sigma" (i.e., size)
g_xcen = x*2.0/nnn # x position of center
g_ycen = y*2.0/nnn # y position of center
g_axrat = 1.0 # minor-to-major axis ratio
g_pa = 0.0 # major-axis position angle (degrees) c.c.w. from y axis
gpar = np.asarray([g_amp, g_sig, g_ycen, g_xcen, g_axrat, g_pa])
#----------------------------------------------
g_image,g_lensimage = lensed_images(xi1,xi2,yi1,yi2,gpar)
base1[:,:,0] = g_image*256
base1[:,:,1] = g_image*256
base1[:,:,2] = g_image*256
##sktd = (td-td.min())/(td.max()-td.min())*ic/2
#sktd = (td)/(1.5)*ic/2
#itmp = (i+FPS/8-sktd)%(FPS)
#ratio = (ic-itmp)*itmp/(ic/2.0)**2.0
#ratio[ratio<0]=0.0
base2[:,:,0] = g_lensimage*102#*(1.0+ratio)/2
base2[:,:,1] = g_lensimage*178#*(1.0+ratio)/2
base2[:,:,2] = g_lensimage*256#*(1.0+ratio)/2
base3[:,:,0] = critical*255
base3[:,:,1] = critical*0
base3[:,:,2] = critical*0
base4[:,:,0] = caustic.T*0
base4[:,:,1] = caustic.T*255
base4[:,:,2] = caustic.T*0
base = base1+base2+base3+base4
#idx1 = wf>=base0
#idx2 = wf<base0
#base = base0*0
#base[idx1] = wf[idx1]
#base[idx2] = base0[idx2]
#base = wf*base0+(base1+base2)
pygame.surfarray.blit_array(mouse_cursor,base)
screen.blit(mouse_cursor, (0, 0))
#font=pygame.font.SysFont(None,30)
#text = font.render("( "+str(x)+", "+str(-y)+" )", True, (255, 255, 255))
#screen.blit(text,(10, 10))
pygame.display.update()
fpsClock.tick(FPS)