def find_slope_niter():
stream = 'rtcCentBuf'
threshold = 1.0
for star_id in range(1,1+nstars):
star = Star(star_id)
ok = star.setup(self.Cam)
if(ok):
slope_niter = find_niter(stream,threshold)
if(slope_niter[0] != -1):
star.slope_iter = slope_niter[0]
FITS.Write(slope_niter[1],self.Cam.rawdata_path + self.Cam.name+'_slopes_noscreen_led_%d.fits'%(star_id),writeMode='a')
else:
print 'Relax threshold'
def save(self, widget):
star = Star(int(self.combobox_star.get_active_text()))
star.pin_led = self.entry_pin_led.get_text()
star.pin_pwm = self.entry_pin_pwm.get_text()
star.pin_enable = self.entry_pin_enable.get_text()
star.name = self.entry_name.get_text()
star.sim = self.checkbutton_sim.get_active()
star.exp_time = self.combobox_exp_time.get_active_text()
star.bright = self.combobox_brightness.get_active_text()
star.img_prefix = self.entry_image_prefix.get_text()
print star.pin_led
print star.pin_pwm
print star.pin_enable
print star.name
print star.sim
print star.exp_time
print star.bright
print star.img_prefix
print "------------"
print "saved"
def bgImage_exptime_calibration(self,star_id):
'''
Determines, sets and save the bgImage for star_id. exptime is
saved on the files name.
INPUT
star_id[int]
'''
#2-3 bgImage & exptime iteration
star = Star(star_id)
star.setup(self.Cam)
exptime = numpy.round(self.Cam.initexptime)
self.c.Set('bgImage',None)
self.c.Set(self.Cam.exptime,int(exptime))
bgImage = self.grab('rtcPxlBuf',self.niter)
self.c.Set('bgImage',bgImage)
self.bbbc.star_on(star_id)
auxImage = self.grab('rtcCalPxlBuf',self.niter)
self.bbbc.star_off(star_id)
auxImageMax = auxImage.max()
print 'auxImageMax: ', auxImageMax
relativemax = 0.7
threshold = 0.05
while(numpy.absolute(auxImageMax/self.sat-relativemax)>threshold):
# The while condition is set so that the maximum value found in the image
# is around 60% of the saturation value
print "exptime: ",
print exptime
print 'auxImageMax: ',
print str(100*auxImageMax/self.sat)+'%'
exptime = float(exptime)*(self.sat*float(relativemax))/auxImageMax
if(exptime>=self.maxexptime):
# Protection
exptime = self.maxexptime
auxImageMax = self.sat*relativemax
self.c.Set(self.Cam.exptime,int(exptime))
elif(exptime<1.0):
exptime = 1.0
auxImageMax = self.sat*relativemax
self.c.Set(self.Cam.exptime,int(exptime))
else:
self.c.Set('bgImage',None)
self.c.Set(self.Cam.exptime,int(exptime))
bgImage = self.grab('rtcPxlBuf',self.niter)
self.c.Set('bgImage',bgImage)
self.bbbc.star_on(star_id)
auxImage = self.grab('rtcCalPxlBuf',self.niter)
self.bbbc.star_off(star_id)
auxImageMax = numpy.amax(auxImage)
print "Final exptime: ",
print exptime
print 'Final auxImageMax: ',
print str(100*auxImageMax/self.sat)+'%'
self.c.Set('bgImage',None)
bgImage = self.grab('rtcPxlBuf',self.Cam.bg_iter)
self.c.Set('bgImage',bgImage)
self.bbbc.flush_all_leds()
self.bbbc.star_on(star_id)
auxImage = self.grab('rtcCalPxlBuf',self.niter)
self.bbbc.star_off(star_id)
self.c.Set('bgImage',bgImage)
#Saving values found and removing previous values
files = os.listdir(self.Cam.bg_path)
files = [s for s in files if 'led_%d_'%(star_id) in s]
if(files!=[]):
for file_name in files:
os.remove(self.Cam.bg_path + file_name)
FITS.Write(bgImage,self.Cam.bg_path + self.Cam.name+'_bg_led_%d_exptime_%d.fits'%(star_id,int(exptime)),writeMode='w')
FITS.Write(auxImage.reshape((self.Cam.pxly,self.Cam.pxlx)),self.Cam.bg_path + self.Cam.name+'_aux_led_%d_exptime_%d.fits'%(star_id,int(exptime)),writeMode='w')
