/
seq.py
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/
seq.py
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import zmq
import numpy as np
import time
import cv2
import astropy
from astropy.io import fits
import pyqtgraph as pg
from pyqtgraph.Qt import QtGui, QtCore, QT_LIB
import os
import skyx
import datetime
from coo import *
context = zmq.Context()
app = QtGui.QApplication([])
#--------------------------------------------------------
def pool_get(socket):
while(True):
count = socket.poll(timeout=50)
app.processEvents()
if (count != 0):
obj = socket.recv_pyobj()
return obj
#--------------------------------------------------------
def get(socket, params):
socket.send_pyobj(params)
obj = pool_get(socket)
return obj
#--------------------------------------------------------
zwocam = context.socket(zmq.REQ)
zwocam.connect("tcp://localhost:5555")
#--------------------------------------------------------
def status(pos, image, legend, value):
pos = 20 + pos * 25
cv2.rectangle(image, (20, pos), (20+200, pos + 20), (0.0, 0.0, 0.0), -1)
cv2.rectangle(image, (20, pos), (20+200, pos + 20), (1.0, 1.0, 1.0), 1)
cv2.putText(image, legend, (30, pos + 15), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (1.0, 1.0, 1.0))
size = cv2.getTextSize(value, fontScale = 0.5, fontFace = cv2.FONT_HERSHEY_SIMPLEX, thickness=1)
cv2.putText(image, value, (200 - size[0][0], pos + 15), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (1.0, 1.0, 1.0))
#--------------------------------------------------------
import argparse
#--------------------------------------------------------
def bin(a):
return(a[0:None:2, 0:None:2] + a[1:None:2, 0:None:2] + a[0:None:2, 1:None:2] + a[1:None:2, 1:None:2])
#--------------------------------------------------------
def crop_center(img,crop):
y,x = img.shape
startx = x//2 - crop//2
starty = y//2 - crop//2
return img[starty:starty+crop, startx:startx+crop]
#--------------------------------------------------------
frame = 0
def mainloop(args):
sky = skyx.sky6RASCOMTele()
sky.Connect()
p0 = sky.GetRaDec()
print(args)
frame = 0
viewer = pg.image(np.zeros((10,10)))
center_viewer = pg.image(np.zeros((10,10)))
filename = args.filename # + str(int(time.time()))
dirname = args.filename
if (not os.path.isdir(dirname)):
os.mkdir(dirname)
flat = fits.getdata("flat_100_50.fits", ext=0)
bias = fits.getdata("bias.fits", ext=0)
dark = fits.getdata("dark.fits", ext=0)
#flat = flat - bias
flat = flat / flat.mean()
cnt = 20
frame = 0
while(cnt > 0):
cnt = cnt - 1
frame = frame + 1
for field in range(0,18):
sky.goto((15.0*float(p0[0]) - 1.3*(field//6))/15.0,
float(p0[1]) + 1.6*(field%6))
time.sleep(3)
if ((field%6) == 0):
time.sleep(2)
px = sky.GetRaDec()
now = datetime.datetime.now(datetime.timezone.utc)
img1 = get(zwocam, {'exposure': args.exp, 'gain':args.gain, 'bin':args.bin})
img1 = img1 - dark
img1 = img1 / flat
img1 = img1 / 2.0
img1 = img1.astype(np.uint16)
img2 = get(zwocam, {'exposure': args.exp, 'gain':args.gain, 'bin':args.bin})
img2 = img2 - dark
img2 = img2 / flat
img2 = img2 / 2.0
img2 = img2.astype(np.uint16)
img3 = get(zwocam, {'exposure': args.exp, 'gain':args.gain, 'bin':args.bin})
img3 = img3 - dark
img3 = img3 / flat
img3 = img3 / 2.0
img3 = img3.astype(np.uint16)
img = np.median([img1,img2,img3], axis=0)
if (args.filename != ''):
hdr = fits.header.Header()
ra_string = cvt_ra(float(px[0]))
dec_string = cvt_dec(float(px[1]))
hdr['RA'] = ra_string
hdr['DEC'] = dec_string
file_str = dirname + "/" + filename + "_field" + str(field) + "_" + str(frame) + ".fits"
fits.writeto(file_str, img.astype(np.uint16), hdr, overwrite=True)
fits.setval(file_str,'DATE',value=str(now.astimezone().isoformat())[:-7] )
fits.setval(file_str,'DATE-OBS',value=str(now.astimezone().isoformat())[:-7] )
fits.setval(file_str,'EXPTIME',value=args.exp)
vmin = np.min(img)
vmax = np.max(img)
viewer.setImage(np.swapaxes(bin(bin(img.astype(float))), 0, 1))
center_viewer.setImage(crop_center(np.swapaxes(img, 0, 1), 768))
sky.goto(float(p0[0]), float(p0[1]))
sky.stop()
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("-f", "--filename", type=str, default = '', help="generic file name")
parser.add_argument("-exp", type=float, default = 1.0, help="exposure in seconds (default 1.0)")
parser.add_argument("-gain", "--gain", type=int, default = 200, help="camera gain (default 200)")
parser.add_argument("-bin", "--bin", type=int, default = 1, help="camera binning (default 1-6)")
parser.add_argument("-guide", "--guide", type=int, default = 0, help="frame per guide cycle (0 to disable)")
parser.add_argument("-count", "--count", type=int, default = 1000, help="number of frames to capture")
args = parser.parse_args()
mainloop(args)