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daily_xsp.py
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daily_xsp.py
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# Name:
# DAILY_XSP
# Create daily "all_day" dynamic spectrum plots of EOVSA solar
# cross-correlation data
#
# 2017-08-29 DG
# First written, based on routine in read_idb.py
# 2019-02-26 DG
# Added a second URL for GOES data, in case the first is unreachable.
# Also added a FITS argument to command line, for optional output of FITS file.
# FITS-ONLY means make a FITS file and stop. FITS by itself means make a FITS file
# in addition to a plot.
# 2020-05-10 DG
# Updated cal_qual() to use util.get_idbdir() to find IDB root path.
# 2020-05-11 DG
# Further update to make this work on the DPP.
# 2020-05-17 DG
# The GOES data continues to be problematic because the Goddard respositories
# are not kept up to date. I added a call to by new goes.py routine get_goes(),
# which grabs the latest 7 days of GOES data from NOAA. If that fails or the
# requested date is more than 7 days from the current date, then it falls back
# to the original code and tries to get the data from Goddard.
# 2020-05-23 DG
# A classic blunder, using median() instead of nanmedian() on GOES data with nans!
# Now fixed.
# 2021-07-11 DG
# Changes to cal_qual() to default to creating web plots, to display both TP and XP
# calibration, and to fix the limitation that plots only covered a max of 600 s.
# Also added some line plots (freq indexes 100,300) to make it more quantitative.
# An important change is to make cal_qual() part of the daily plot generation.
# 2021-07-29 DG
# Clip line plots for frequency indexes 100 and 300 so as not to exceed the number
# number of frequencies (451).
# 2022-02-10 DG
# In cal_qual(), writing to the /common/webplots/flaremon/daily/ folder failed
# if run by someone other than user. In that case, the plot is now created in /tmp/.
# 2022-03-05 DG
# Small change to call get_projects() instead of flare_monitor(), along with the
# added nosql=True argument so that this works without the SQL server. Only downside
# is that ACQUIRE states are not displayed (they are in SQL but not fdb files).
# 2022-03-10 DG
# A couple of other changes due to loss of SQL, marked with comments.
#
if __name__ == "__main__":
import matplotlib
matplotlib.use("Agg")
import os
try:
user_paths = os.environ['PYTHONPATH'].split(os.pathsep)
except:
user_paths = []
print user_paths
import read_idb as ri
from util import Time
import numpy as np
import glob
from goes import get_goes
def get_goes_data(t=None,sat_num=None):
''' Reads GOES data from https://umbra.nascom.nasa.gov/ repository, for date
and satellite number provided. If sat_num is None, data for all available
satellites are downloaded, with some sanity check used to decide the best.
If the Time() object t is None, data for the day before the current date
are read (since there is a delay of 1 day in availability of the data).
Returns:
goes_t GOES time array in plot_date format
goes_data GOES 1-8 A lightcurve
'''
# Can short-circuit the entire code below this block by using my goes.get_goes() routine
lo, hi, goes_t = get_goes()
if len(goes_t) != 0:
# Got the data, now isolate the requested day
good, = np.where(np.floor(goes_t.mjd) == np.floor(t.mjd))
if len(good) != 0:
return goes_t.plot_date,lo
from sunpy.util.config import get_and_create_download_dir
import shutil
from astropy.io import fits
import urllib2
if t is None:
t = Time(Time.now().mjd - 1,format='mjd')
yr = t.iso[:4]
datstr = t.iso[:10].replace('-','')
try:
if sat_num is None:
try:
f = urllib2.urlopen('https://umbra.nascom.nasa.gov/goes/fits/'+yr, timeout=3)
except:
f = urllib2.urlopen('https://hesperia.gsfc.nasa.gov/goes/'+yr,timeout=3)
lines = f.readlines()
sat_num = []
for line in lines:
idx = line.find(datstr)
if idx != -1:
sat_num.append(line[idx-2:idx])
if type(sat_num) is int:
sat_num = [str(sat_num)]
filenames = []
for sat in sat_num:
filename = 'go'+sat+datstr+'.fits'
try:
url = 'https://umbra.nascom.nasa.gov/goes/fits/'+yr+'/'+filename
f = urllib2.urlopen(url, timeout=3)
except:
url = 'https://hesperia.gsfc.nasa.gov/goes/'+yr+'/'+filename
f = urllib2.urlopen(url, timeout=3)
with open(get_and_create_download_dir()+'/'+filename,'wb') as g:
shutil.copyfileobj(f,g)
filenames.append(get_and_create_download_dir()+'/'+filename)
pmerit = 0
for file in filenames:
gfits = fits.open(file)
data = gfits[2].data['FLUX'][0][:,0]
good, = np.where(data > 1.e-8)
tsecs = gfits[2].data['TIME'][0]
merit = len(good)
date_elements = gfits[0].header['DATE-OBS'].split('/')
if merit > pmerit:
print 'File:',file,'is best'
pmerit = merit
goes_data = data
goes_t = Time(date_elements[2]+'-'+date_elements[1]+'-'+date_elements[0]).plot_date + tsecs/86400.
try:
return goes_t, goes_data
except:
print 'No good GOES data for',datstr
return None, None
except:
print 'GOES site unreachable?'
return None, None
def allday_udb(t=None, doplot=True, goes_plot=True, savfig=False, savfits=False, gain_corr=True):
if savfits:
import xspfits #jmm, 2018-01-05
# Plots (and returns) UDB data for an entire day
from flare_monitor import get_projects
if t is None:
t = Time.now()
# Cannot get a GOES plot unless doplot is True
if goes_plot: doplot = True
date = t.iso[:10].replace('-','')
# Look also at the following day, up to 9 UT
date2 = Time(t.mjd + 1,format='mjd').iso[:10].replace('-','')
year = date[:4]
files = glob.glob('/data1/eovsa/fits/UDB/'+year+'/UDB'+date+'*')
files.sort()
files2 = glob.glob('/data1/eovsa/fits/UDB/'+year+'/UDB'+date2+'0*')
files2.sort()
files = np.concatenate((np.array(files),np.array(files2)))
# Eliminate files starting before 10 UT on date (but not on date2)
for i,file in enumerate(files):
if file[-6] != '0':
break
try:
files = files[i:]
except:
print 'No files found in /data1/eovsa/fits/UDB/ for',date
return {}
out = ri.read_idb(files,src='Sun')
if out.keys() == []:
print 'Read error, or no Sun data in',files
return {}
if gain_corr:
import gaincal2 as gc
out = gc.apply_gain_corr(out)
trange = Time(out['time'][[0,-1]], format = 'jd')
fghz = out['fghz']
pdata = np.sum(np.sum(np.abs(out['x'][0:11,:]),1),0) # Spectrogram to plot
if savfits:
print "***************** PDATA OUTPUT *********"
print pdata.shape
xspfits.daily_xsp_writefits(out, pdata)
if doplot:
import matplotlib.pylab as plt
from matplotlib.dates import DateFormatter
f, ax = plt.subplots(1,1,figsize=(14,5))
X = np.sort(pdata.flatten()) # Sorted, flattened array
# Set any time gaps to nan
tdif = out['time'][1:] - out['time'][:-1]
bad, = np.where(tdif > 120./86400) # Time gaps > 2 minutes
pdata[:,bad] = 0
vmax = X[int(len(X)*0.85)] # Clip at 15% of points
im = ax.pcolormesh(Time(out['time'],format='jd').plot_date,out['fghz'],pdata,vmax=vmax)
plt.colorbar(im,ax=ax,label='Amplitude [arb. units]')
ax.xaxis_date()
ax.xaxis.set_major_formatter(DateFormatter("%H:%M"))
ax.set_ylim(fghz[0], fghz[-1])
ax.set_xlabel('Time [UT]')
ax.set_ylabel('Frequency [GHz]')
ax.set_title('EOVSA 1-min Data for '+t.iso[:10])
f.autofmt_xdate(bottom=0.15)
if goes_plot:
#from sunpy import lightcurve
#from sunpy.time import TimeRange
# Initially assign GOES times as None
goes_t = None
goes_t2 = None
# Get GOES data for overplotting
#goes_tr = TimeRange(trange.iso)
goes_label = [' A',' B',' C',' M',' X']
# The GOES label is placed to start 20 min into the day
goes_label_time = Time(out['time'][[0]], format = 'jd').plot_date + 0.014
rightaxis_label_time = trange[1].plot_date
# Retrieve GOES data for the day, but this only goes to end of UT day
goes_t, goes_data = get_goes_data(trange[0])
if int(trange[1].mjd) != int(trange[0].mjd):
goes_t2, goes_data2 = get_goes_data(trange[1])
if goes_t is None and goes_t2 is None:
ax.text (goes_label_time, 12, 'GOES soft x-ray data missing', color = 'yellow')
else:
if not goes_t is None:
goes_data = 2* (np.log10(goes_data + 1.e-9)) + 26
ax.plot_date(goes_t, goes_data,'-',color='yellow')
ytext = np.nanmedian(goes_data) - 1
else:
ytext = None
if not goes_t2 is None:
goes_data2 = 2* (np.log10(goes_data2 + 1.e-9)) + 26
ax.plot_date(goes_t2, goes_data2,'-',color='yellow')
ytext2 = np.nanmedian(goes_data2) - 1
if ytext:
ytext = (ytext+ytext2)/2
else:
ytext = ytext2
ax.text (goes_label_time, ytext, 'GOES soft x-ray data', color = 'yellow')
# try:
# goes = lightcurve.GOESLightCurve.create(goes_tr)
# if len(np.where(goes.data['xrsb'] != 0.0)[0]) < 100:
# # Looks like the GOES data are all zero, so just skip it
# ax.text (goes_label_time, 12, 'GOES soft x-ray data missing', color = 'yellow')
# else:
# goes.data['xrsb'] = 2* (np.log10(goes.data['xrsb'] + 1.e-9)) + 26
# ytext = np.median(goes.data['xrsb']) - 1
# ax.text (goes_label_time, ytext, 'GOES soft x-ray data', color = 'yellow')
# goes.data['xrsb'].plot(color = 'yellow')
# except:
# # Looks like the GOES data do not exist, so just skip it
# ax.text (goes_label_time, 12, 'GOES soft x-ray data missing', color = 'yellow')
for k,i in enumerate([10,12,14,16,18]):
ax.text(rightaxis_label_time, i-0.4, goes_label[k], fontsize = '12')
ax.plot_date(rightaxis_label_time + np.array([-0.005,0.0]),[i,i],'-',color='yellow')
# try:
# # If the day goes past 0 UT, get GOES data for the next UT day
# if int(trange[1].mjd) != int(trange[0].mjd):
# goes_tr2 = TimeRange([trange[1].iso[:10], trange[1].iso])
# goesday2 = lightcurve.GOESLightCurve.create(goes_tr2)
# if len(np.where(goesday2.data['xrsb'] != 0.0)[0]) < 100:
# pass
# else:
# goesday2.data['xrsb'] = 2* (np.log10(goesday2.data['xrsb'] + 1.e-9)) + 26
# goesday2.data['xrsb'].plot(color = 'yellow')
# except:
# # Looks like the GOES data do not exist, so just skip it
# pass
pstart = Time(t.iso[:10]+' 13:30').plot_date
prange = [pstart,pstart+13./24]
ax.set_xlim(prange)
projdict = get_projects(t, nosql=True) # Hopefully temporary call that is independent of SQL server
if projdict == {}:
print 'No annotation can be added to plot for',t.iso[:10]
else:
defcolor = '#ff7f0e'
nscans = len(projdict['Timestamp'])
SOS = Time(projdict['Timestamp'],format='lv').plot_date
EOS = Time(projdict['EOS'],format='lv').plot_date
yran = np.array(ax.get_ylim())
for i in range(nscans):
uti = SOS[i]*np.array([1.,1.])
#if uti[0] >= trange[0].plot_date:
ax.plot_date(uti,yran,'g',lw=0.5)
if projdict['Project'][i] == 'NormalObserving' or projdict['Project'][i] == 'Normal Observing':
ax.text(uti[0],yran[1]*0.935,'SUN',fontsize=8, color = defcolor, clip_on=True)
elif projdict['Project'][i] == 'None':
ax.text(uti[0],yran[1]*0.975,'IDLE',fontsize=8, color = defcolor, clip_on=True)
elif projdict['Project'][i][:4] == 'GAIN':
ax.text(uti[0],yran[1]*0.955,'GCAL',fontsize=8, color = defcolor, clip_on=True)
elif projdict['Project'][i] == 'SOLPNTCAL':
ax.text(uti[0],yran[1]*0.955,'TPCAL',fontsize=8, color = defcolor, clip_on=True)
elif projdict['Project'][i] == 'PHASECAL':
ax.text(uti[0],yran[1]*0.955,'PCAL',fontsize=8, color = defcolor, clip_on=True)
else:
ax.text(uti[0],yran[1]*0.975,projdict['Project'][i],fontsize=8, color = defcolor, clip_on=True)
known = ['GAIN','PHAS','SOLP'] # known calibration types (first 4 letters)
for i in range(nscans):
uti = EOS[i]*np.array([1.,1.])
ax.plot_date(uti,yran,'r--',lw=0.5)
uti = np.array([SOS[i],EOS[i]])
if projdict['Project'][i] == 'NormalObserving':
ax.plot_date(uti,yran[1]*np.array([0.93,0.93]),ls='-',marker='None',color='#aaffaa',lw=2,solid_capstyle='butt')
elif projdict['Project'][i][:4] in known:
ax.plot_date(uti,yran[1]*np.array([0.95,0.95]),ls='-',marker='None',color='#aaaaff',lw=2,solid_capstyle='butt')
else:
ax.plot_date(uti,yran[1]*np.array([0.97,0.97]),ls='-',marker='None',color='#ffaaaa',lw=2,solid_capstyle='butt')
if savfig:
plt.savefig('/common/webplots/flaremon/daily/'+date[:4]+'/XSP'+date+'.png',bbox_inches='tight')
return out
def cal_qual(t=None, savfig=True):
''' Check the quality of the total power and gain calibrations for a given date
'''
import cal_header as ch
from stateframe import extract
import dump_tsys as dt
import pipeline_cal as pc
import matplotlib.pylab as plt
import rstn
from util import get_idbdir
import socket
if t is None:
t = Time.now()
mjd = t.mjd
# First check whether the total power calibration is current
caltype = 10
xml, buf = ch.read_cal(caltype,t=t)
tp_mjd = Time(extract(buf,xml['SQL_timestamp']),format='lv').mjd
if mjd - tp_mjd > 0.5:
print 'CAL_QUAL: Warning, TP Calibration not (yet) available for this date.'
# Find GCAL scan for this date
fdb = dt.rd_fdb(Time(mjd,format='mjd'))
gcidx, = np.where(fdb['PROJECTID'] == 'GAINCALTEST')
if len(gcidx) == 1:
datadir = get_idbdir(t) + fdb['FILE'][gcidx][0][3:11]+'/'
# List of GCAL files
gcalfile = [datadir+i for i in fdb['FILE'][gcidx]]
else:
print 'CAL_QUAL: Warning, no GAINCALTEST scan for this date. Will try using the GAINCALTEST from previous day.'
fdb = dt.rd_fdb(Time(mjd-1,format='mjd'))
gcidx, = np.where(fdb['PROJECTID'] == 'GAINCALTEST')
if len(gcidx) == 1:
datadir = get_idbdir(t)
# Add date path if on pipeline
# if datadir.find('eovsa') != -1: datadir += fdb['FILE'][gcidx][0][3:11]+'/'
host = socket.gethostname()
if host == 'pipeline': datadir += fdb['FILE'][gcidx][0][3:11]+'/'
# List of GCAL files
gcalfile = [datadir+i for i in fdb['FILE'][gcidx]]
else:
print 'CAL_QUAL: Error, no GAINCALTEST scan for previous day.'
return
# Find SOLPNTCAL scan for this date
fdb = dt.rd_fdb(Time(mjd,format='mjd'))
gcidx, = np.where(fdb['PROJECTID'] == 'SOLPNTCAL')
if len(gcidx) > 0:
datadir = get_idbdir(t)
# Add date path if on pipeline
# if datadir.find('eovsa') != -1: datadir += fdb['FILE'][gcidx][0][3:11]+'/'
host = socket.gethostname()
if host == 'pipeline': datadir += fdb['FILE'][gcidx][0][3:11]+'/'
# List of SOLPNTCAL files
solpntfile = [datadir+i for i in fdb['FILE'][gcidx]]
else:
print 'CAL_QUAL: Error, no SOLPNTCAL scan(s) for this date.'
return
files = gcalfile+solpntfile
outnames = []
for file in files:
outnames.append(pc.udb_corr(file, calibrate=True, attncal=True, desat=True))
out = ri.read_idb(outnames, srcchk=False)
nt = len(out['time'])
nf = len(out['fghz'])
tpfac = 500./nf
frq, flux = rstn.rd_rstnflux(t)
s = rstn.rstn2ant(frq, flux, out['fghz']*1000., t)
fluximg = s.repeat(nt).reshape(nf,nt)
f, ax = plt.subplots(4,7)
f.set_size_inches(16,7,forward=True)
f.tight_layout(rect=[0.0,0.0,1,0.95])
ax.shape = (2, 14)
for i in range(13):
for j in range(2):
ax[j,i].imshow(out['p'][i,j],aspect='auto',origin='lower',vmax=np.max(s),vmin=0)
ax[j,i].plot(np.clip(out['p'][i,j,int(nf/3.)]/tpfac,0,nf),linewidth=1)
ax[j,i].plot(np.clip(out['p'][i,j,int(2*nf/3.)]/tpfac,0,nf),linewidth=1)
ax[j,i].set_title('Ant '+str(i+1)+[' X Pol',' Y Pol'][j],fontsize=10)
for j in range(2):
ax[j,13].imshow(fluximg,aspect='auto',origin='lower',vmax=np.max(s),vmin=0)
ax[j,13].set_title('RSTN Flux',fontsize=10)
for i in range(13):
for j in range(2):
ax[j,i].plot(np.clip(fluximg[int(nf/3.)]/tpfac,0,nf),'--',linewidth=1,color='C0')
ax[j,i].plot(np.clip(fluximg[int(2*nf/3.)]/tpfac,0, nf),'--',linewidth=1,color='C1')
f.suptitle('Total Power Calibration Quality for '+t.iso[:10])
date = t.iso[:10].replace('-','')
if savfig:
try:
plt.savefig('/common/webplots/flaremon/daily/'+date[:4]+'/QUAL_'+date+'TP.png')
except:
plt.savefig('/tmp/'+date[:4]+'/QUAL_'+date+'TP.png')
print 'The .png file could not be created in the /common/webplots/flaremon/daily/ folder.'
print 'A copy was created in /tmp/.'
f, ax = plt.subplots(4,7)
f.set_size_inches(16,7,forward=True)
f.tight_layout(rect=[0.0,0.0,1,0.95])
ax.shape = (2, 14)
for i in range(13):
for j in range(2):
ax[j,i].imshow(np.real(out['a'][i,j]),aspect='auto',origin='lower',vmax=np.max(s),vmin=0)
ax[j,i].plot(np.clip(np.real(out['a'][i,j,int(nf/3.)]/tpfac),0,nf),linewidth=1)
ax[j,i].plot(np.clip(np.real(out['a'][i,j,int(2*nf/3.)]/tpfac),0,nf),linewidth=1)
ax[j,i].set_title('Ant '+str(i+1)+[' X Pol',' Y Pol'][j],fontsize=10)
for j in range(2):
ax[j,13].imshow(fluximg,aspect='auto',origin='lower',vmax=np.max(s),vmin=0)
ax[j,13].set_title('RSTN Flux',fontsize=10)
for i in range(13):
for j in range(2):
ax[j,i].plot(np.clip(fluximg[int(nf/3.)]/tpfac,0,nf),'--',linewidth=1,color='C0')
ax[j,i].plot(np.clip(fluximg[int(2*nf/3.)]/tpfac,0,nf),'--',linewidth=1,color='C1')
f.suptitle('Cross-Power Calibration Quality for '+t.iso[:10])
date = t.iso[:10].replace('-','')
if savfig:
try:
plt.savefig('/common/webplots/flaremon/daily/'+date[:4]+'/QUAL_'+date+'XP.png')
except:
plt.savefig('/tmp/'+date[:4]+'/QUAL_'+date+'XP.png')
print 'The .png file could not be created in the /common/webplots/flaremon/daily/ folder.'
print 'A copy was created in /tmp/.'
if __name__ == "__main__":
''' For non-interactive use, use a backend that does not require a display
Usage python /common/python/current/daily_xsp.py <date>
If optional argument date is given (as YYYY-MM-DD), data are processed for
that date only.
If the date is omitted, data are processed for the previous two UT days
(yesterday and day-before-yesterday)
'''
import glob, sys
t = None
t2 = None
# Default parameters
savfits = False
savfig = True
goes_plot = True
doplot=True
# ************ This line added due to loss of SQL **************
gain_corr = False
argin = ''
if len(sys.argv) >= 2:
try:
t = Time(sys.argv[1])
print t.iso
if len(sys.argv) == 3:
argin = sys.argv[2].upper()
except:
argin = sys.argv[1].upper() # Any following arguments are ignored
if argin == 'FITS-ONLY':
# Asking for FITS-ONLY means skip all other features.
savfits = True
savfig = False
goes_plot = False
doplot=False
elif argin == 'FITS':
# Asking for FITS means also do all other features.
savfits = True
elif argin != '':
print 'Cannot interpret',argin,'as valid time, or string FITS or FITS-ONLY.'
exit()
if t is None:
t = Time.now() # Get today's date
t2 = Time(t.mjd-2,format='mjd') # Set t2 to day-before-yesterday
t = Time(t.mjd-1,format='mjd') # Set t to yesterday
print t.iso[:19],': ',
blah = allday_udb(t=t, doplot=doplot, goes_plot=goes_plot, savfig=savfig, savfits=savfits, gain_corr=gain_corr) # Process time t
if goes_plot and not t2 is None:
# Do this second date only if goes_plot is True
blah = allday_udb(t=t2, savfig=True, gain_corr=gain_corr) # Process time t2
# ************ This line commented out due to loss of SQL **************
# cal_qual(Time(t.iso[:10])) # Make daily plot of calibration quality