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import unittest
import sys,os,math
from itertools import islice
#import mpi4py.MPI as MPI
import numpy as np
import matplotlib.pyplot as plt
import matplotlib as mpl
mpl.use('Agg')
import scipy.io
from scipy import ndimage
#sys.path.append("/public/home/weichengliang/lnData/CSST_new_framwork/csstPSF_v4_20210326")
sys.path.append("../")
from ObservationSim.PSF.PSFInterp import PSFConfig as myConfig
#import PSFUtil as myUtil
NPSF = 400
##############################
###计算PSF椭率###
def psfSecondMoments(psfMat, cenX, cenY, pixSize=1):
apr = 0.5 #arcsec, 0.5角秒内测量
fl = 28. #meters
pxs = 2.5 #microns
apr = np.deg2rad(apr/3600.)*fl*1e6
apr = apr/pxs
apr = np.int(np.ceil(apr))
I = psfMat
ncol = I.shape[1]
nrow = I.shape[0]
w = 0.0
w11 = 0.0
w12 = 0.0
w22 = 0.0
for icol in range(ncol):
for jrow in range(nrow):
x = icol*pixSize - cenX
y = jrow*pixSize - cenY
rr = np.sqrt(x*x + y*y)
wgt= 0.0
if rr <= apr:
wgt = 1.0
w += I[jrow, icol]*wgt
w11 += x*x*I[jrow, icol]*wgt
w12 += x*y*I[jrow, icol]*wgt
w22 += y*y*I[jrow, icol]*wgt
w11 /= w
w12 /= w
w22 /= w
sz = w11 + w22
e1 = (w11 - w22)/sz
e2 = 2.0*w12/sz
return sz, e1, e2
##############################
##############################
'''
def assignTasks(npsf, NTasks, ThisTask):
npsfPerTasks = int(npsf/NTasks)
iStart= 0 + npsfPerTasks*ThisTask
iEnd = npsfPerTasks + npsfPerTasks*ThisTask
if ThisTask == NTasks:
iEnd = npsf
return iStart, iEnd
'''
#def test_psfEll(iccd, iwave, psfPath, ThisTask, NTasks):
def test_psfEll(iccd, iwave, psfPath):
nccd = 30
npsf = NPSF
#iStart, iEnd = assignTasks(npsf, NTasks, ThisTask)
imx = np.zeros(npsf)
imy = np.zeros(npsf)
psf_e1 = np.zeros(npsf)
psf_e2 = np.zeros(npsf)
psf_sz = np.zeros(npsf)
#for ipsf in range(iStart+1, iEnd+1):
for ipsf in range(1, 401):
if ipsf != 1:
continue
print('ipsf-{:}'.format(ipsf), end='\r')
psfInfo = myConfig.LoadPSF(iccd, iwave, ipsf, psfPath, InputMaxPixelPos=True, PSFCentroidWgt=True, VPSF=False)
imx[ipsf-1] = psfInfo['image_x']+psfInfo['centroid_x']
imy[ipsf-1] = psfInfo['image_y']+psfInfo['centroid_y']
psfMat = psfInfo['psfMat']
cenX = 256
cenY = 256
sz, e1, e2 = psfSecondMoments(psfMat, cenX, cenY, pixSize=1)
psf_e1[ipsf-1] = e1
psf_e2[ipsf-1] = e2
psf_sz[ipsf-1] = sz
print('test:' ,sz, e1, e2)
#######
#comm.barrier()
#imx = comm.allreduce(imx, op=MPI.SUM)
#imy = comm.allreduce(imy, op=MPI.SUM)
#psf_e1 = comm.allreduce(psf_e1, op=MPI.SUM)
#psf_e2 = comm.allreduce(psf_e2, op=MPI.SUM)
#psf_sz = comm.allreduce(psf_sz, op=MPI.SUM)
#comm.barrier()
#if ThisTask == 0:
# arr = [imx, imy, psf_e1, psf_e2, psf_sz]
# np.save('/public/home/weichengliang/lnData/CSST_new_framwork/csstPSF_v4_20210326/test4report/data/psfEll20_{:}_{:}'.format(iccd, iwave), arr)
def test_psfEllPlot(OVERPLOT=False):
#if ThisTask == 0:
if True:
prefix = 'psfEll30'
iccd = 1
iwave= 1
data = np.load('data/'+prefix+'_1_1.npy')
imx= data[0]
imy= data[1]
psf_e1 = data[2]
psf_e2 = data[3]
print(np.shape(imx))
npsf = np.shape(imx)[0]
plt.cla()
plt.close("all")
fig = plt.figure(figsize=(12,12))
plt.plot(imx, imy, 'r.')
plt.savefig('figs/psfPos.pdf')
#######
fig = plt.figure(figsize=(12, 12))
plt.subplots_adjust(wspace=0.1, hspace=0.1)
ax = plt.subplot(1, 1, 1)
for ipsf in range(npsf):
plt.plot(imx[ipsf], imy[ipsf], 'r.')
ang = np.arctan2(psf_e2[ipsf], psf_e1[ipsf])/2
ell = np.sqrt(psf_e1[ipsf]**2 + psf_e2[ipsf]**2)
ell *= 15
lcos = ell*np.cos(ang)
lsin = ell*np.sin(ang)
plt.plot([imx[ipsf]-lcos, imx[ipsf]+lcos],[imy[ipsf]-lsin, imy[ipsf]+lsin],'r', lw=2)
###########
ang = 0.
ell = 0.05
ell*= 15
lcos = ell*np.cos(ang)
lsin = ell*np.sin(ang)
plt.plot([imx[898]-lcos, imx[898]+lcos],[imy[898]+5.-lsin, imy[898]+5.+lsin],'k', lw=2)
plt.annotate('{:}'.format(ell/15), (imx[898]-2., imy[898]+6.), xycoords='data', fontsize=10)
plt.xlabel('CCD X (mm)')
plt.ylabel('CCD Y (mm)')
if OVERPLOT == True:
prefix = 'psfEll20'
data = np.load('data/'+prefix+'_1_1.npy')
imx= data[0]
imy= data[1]
psf_e1 = data[2]
psf_e2 = data[3]
npsf = np.shape(imx)[0]
for ipsf in range(npsf):
plt.plot(imx[ipsf], imy[ipsf], 'b.')
ang = np.arctan2(psf_e2[ipsf], psf_e1[ipsf])/2
ell = np.sqrt(psf_e1[ipsf]**2 + psf_e2[ipsf]**2)
ell *= 15
lcos = ell*np.cos(ang)
lsin = ell*np.sin(ang)
plt.plot([imx[ipsf]-lcos, imx[ipsf]+lcos],[imy[ipsf]-lsin, imy[ipsf]+lsin],'b', lw=2)
plt.gca().set_aspect(1)
if OVERPLOT == True:
prefix = 'psfEllOP'
plt.savefig('figs/'+prefix+'_iccd{:}.pdf'.format(iccd))
class PSFMatsEll_coverage(unittest.TestCase):
def test_psfEll_(self):
#comm = MPI.COMM_WORLD
#ThisTask = comm.Get_rank()
#NTasks = comm.Get_size()
print('#####haha#####')
iccd = 1
iwave= 1
psfPath = '/data/simudata/CSSOSDataProductsSims/data/csstPSFdata/CSSOS_psf_20210326/CSST_psf_ciomp_20x20field'
#test_psfEll(iccd, iwave, psfPath, ThisTask, NTasks)
test_psfEll(iccd, iwave, psfPath)
test_psfEllPlot(OVERPLOT=True)
##############################
##############################
##############################
if __name__=='__main__':
unittest.main()