def simpleSnr(time, flux, results):
"""
calculate a simple snr on the planet based on the depth and scatter
after you remove the planet model from the data.
"""
model = BoxLeastSquares(time, flux)
fmodel = model.model(time, results[0], results[3], results[1])
flatten = median_subtract(flux - fmodel, 12)
noise = np.std(flatten)
snr = results[2] / noise
return snr
def plot_bls_folds(time,flux,results,ticid, zoom=True):
num=4 #max number of possible planet candidates
plt.figure(figsize=(8,12))
s=np.std(flux)
for i,r in enumerate(results):
plt.subplot(num,1,i+1)
phase = (time - r[1] + 0.5*r[0]) % r[0] - 0.5*r[0]
model = BoxLeastSquares(time,flux)
fmodel = model.model(time,results[i,0],results[i,3],results[i,1])
order=np.argsort(phase)
plt.plot(phase[order]*24,fmodel[order],'g.-', ms=3)
plt.plot(phase*24,flux,'k.',label="TIC %u P=%6.2f d" % (ticid, results[i,0]))
#plt.title(str(ticid) + " Per: " + str(results[i,0]) )
if zoom:
plt.xlim(-5.7*results[i,3]*24,5.7*results[i,3]*24)
plt.ylim(-2.9*r[2], 4*s)
plt.legend(fontsize=8)
def _create_interact_ui(doc,
minp=minimum_period,
maxp=maximum_period,
resolution=resolution):
"""Create BLS interact user interface."""
if minp is None:
minp = 0.3
if maxp is None:
maxp = (lc.time[-1] - lc.time[0]) / 2
time_format = ''
if lc.time_format == 'bkjd':
time_format = ' - 2454833 days'
if lc.time_format == 'btjd':
time_format = ' - 2457000 days'
# Some sliders
duration_slider = Slider(start=0.01,
end=0.5,
value=0.05,
step=0.01,
title="Duration [Days]",
width=400)
npoints_slider = Slider(start=500,
end=10000,
value=resolution,
step=100,
title="BLS Resolution",
width=400)
# Set up the period values, BLS model and best period
period_values = np.logspace(np.log10(minp), np.log10(maxp),
npoints_slider.value)
period_values = period_values[(period_values > duration_slider.value)
& (period_values < maxp)]
model = BoxLeastSquares(lc.time, lc.flux)
result = model.power(period_values, duration_slider.value)
loc = np.argmax(result.power)
best_period = result.period[loc]
best_t0 = result.transit_time[loc]
# Some Buttons
double_button = Button(label="Double Period",
button_type="danger",
width=100)
half_button = Button(label="Half Period",
button_type="danger",
width=100)
text_output = Paragraph(text="Period: {} days, T0: {}{}".format(
np.round(best_period, 7), np.round(best_t0, 7), time_format),
width=350,
height=40)
# Set up BLS source
bls_source = prepare_bls_datasource(result, loc)
bls_help_source = prepare_bls_help_source(bls_source,
npoints_slider.value)
# Set up the model LC
mf = model.model(lc.time, best_period, duration_slider.value, best_t0)
mf /= np.median(mf)
mask = ~(convolve(np.asarray(mf == np.median(mf)), Box1DKernel(2)) >
0.9)
model_lc = LightCurve(lc.time[mask], mf[mask])
model_lc = model_lc.append(
LightCurve([(lc.time[0] - best_t0) + best_period / 2], [1]))
model_lc = model_lc.append(
LightCurve([(lc.time[0] - best_t0) + 3 * best_period / 2], [1]))
model_lc_source = ColumnDataSource(
data=dict(time=np.sort(model_lc.time),
flux=model_lc.flux[np.argsort(model_lc.time)]))
# Set up the LC
nb = int(np.ceil(len(lc.flux) / 5000))
lc_source = prepare_lightcurve_datasource(lc[::nb])
lc_help_source = prepare_lc_help_source(lc)
# Set up folded LC
nb = int(np.ceil(len(lc.flux) / 10000))
f = lc.fold(best_period, best_t0)
f_source = prepare_folded_datasource(f[::nb])
f_help_source = prepare_f_help_source(f)
f_model_lc = model_lc.fold(best_period, best_t0)
f_model_lc = LightCurve([-0.5], [1]).append(f_model_lc)
f_model_lc = f_model_lc.append(LightCurve([0.5], [1]))
f_model_lc_source = ColumnDataSource(
data=dict(phase=f_model_lc.time, flux=f_model_lc.flux))
def _update_light_curve_plot(event):
"""If we zoom in on LC plot, update the binning."""
mint, maxt = fig_lc.x_range.start, fig_lc.x_range.end
inwindow = (lc.time > mint) & (lc.time < maxt)
nb = int(np.ceil(inwindow.sum() / 5000))
temp_lc = lc[inwindow]
lc_source.data = {
'time': temp_lc.time[::nb],
'flux': temp_lc.flux[::nb]
}
def _update_folded_plot(event):
loc = np.argmax(bls_source.data['power'])
best_period = bls_source.data['period'][loc]
best_t0 = bls_source.data['transit_time'][loc]
# Otherwise, we can just update the best_period index
minphase, maxphase = fig_folded.x_range.start, fig_folded.x_range.end
f = lc.fold(best_period, best_t0)
inwindow = (f.time > minphase) & (f.time < maxphase)
nb = int(np.ceil(inwindow.sum() / 10000))
f_source.data = {
'phase': f[inwindow].time[::nb],
'flux': f[inwindow].flux[::nb]
}
# Function to update the widget
def _update_params(all=False, best_period=None, best_t0=None):
if all:
# If we're updating everything, recalculate the BLS model
minp, maxp = fig_bls.x_range.start, fig_bls.x_range.end
period_values = np.logspace(np.log10(minp), np.log10(maxp),
npoints_slider.value)
ok = (period_values > duration_slider.value) & (period_values <
maxp)
if ok.sum() == 0:
return
period_values = period_values[ok]
result = model.power(period_values, duration_slider.value)
ok = np.isfinite(result['power']) & np.isfinite(result['duration']) &\
np.isfinite(result['transit_time']) & np.isfinite(result['period'])
bls_source.data = dict(period=result['period'][ok],
power=result['power'][ok],
duration=result['duration'][ok],
transit_time=result['transit_time'][ok])
loc = np.nanargmax(bls_source.data['power'])
best_period = bls_source.data['period'][loc]
best_t0 = bls_source.data['transit_time'][loc]
minpow, maxpow = bls_source.data['power'].min(
) * 0.95, bls_source.data['power'].max() * 1.05
fig_bls.y_range.start = minpow
fig_bls.y_range.end = maxpow
# Otherwise, we can just update the best_period index
minphase, maxphase = fig_folded.x_range.start, fig_folded.x_range.end
f = lc.fold(best_period, best_t0)
inwindow = (f.time > minphase) & (f.time < maxphase)
nb = int(np.ceil(inwindow.sum() / 10000))
f_source.data = {
'phase': f[inwindow].time[::nb],
'flux': f[inwindow].flux[::nb]
}
mf = model.model(lc.time, best_period, duration_slider.value,
best_t0)
mf /= np.median(mf)
mask = ~(convolve(np.asarray(mf == np.median(mf)), Box1DKernel(2))
> 0.9)
model_lc = LightCurve(lc.time[mask], mf[mask])
model_lc_source.data = {
'time': np.sort(model_lc.time),
'flux': model_lc.flux[np.argsort(model_lc.time)]
}
f_model_lc = model_lc.fold(best_period, best_t0)
f_model_lc = LightCurve([-0.5], [1]).append(f_model_lc)
f_model_lc = f_model_lc.append(LightCurve([0.5], [1]))
f_model_lc_source.data = {
'phase': f_model_lc.time,
'flux': f_model_lc.flux
}
vertical_line.update(location=best_period)
fig_folded.title.text = 'Period: {} days \t T0: {}{}'.format(
np.round(best_period, 7), np.round(best_t0, 7), time_format)
text_output.text = "Period: {} days, \t T0: {}{}".format(
np.round(best_period, 7), np.round(best_t0, 7), time_format)
# Callbacks
def _update_upon_period_selection(attr, old, new):
"""When we select a period we should just update a few things, but we should not recalculate model
"""
if len(new) > 0:
new = new[0]
best_period = bls_source.data['period'][new]
best_t0 = bls_source.data['transit_time'][new]
_update_params(best_period=best_period, best_t0=best_t0)
def _update_model_slider(attr, old, new):
"""If the duration slider is updated, then update the whole model set."""
_update_params(all=True)
def _update_model_slider_EVENT(event):
"""If we update the duration slider, we should update the whole model set.
This is the same as the _update_model_slider but it has a different call signature...
"""
_update_params(all=True)
def _double_period_event():
fig_bls.x_range.start *= 2
fig_bls.x_range.end *= 2
_update_params(all=True)
def _half_period_event():
fig_bls.x_range.start /= 2
fig_bls.x_range.end /= 2
_update_params(all=True)
# Help Hover Call Backs
def _update_folded_plot_help_reset(event):
f_help_source.data['phase'] = [
(np.max(f.time) - np.min(f.time)) * 0.98 + np.min(f.time)
]
f_help_source.data['flux'] = [
(np.max(f.flux) - np.min(f.flux)) * 0.98 + np.min(f.flux)
]
def _update_folded_plot_help(event):
f_help_source.data['phase'] = [
(fig_folded.x_range.end - fig_folded.x_range.start) * 0.95 +
fig_folded.x_range.start
]
f_help_source.data['flux'] = [
(fig_folded.y_range.end - fig_folded.y_range.start) * 0.95 +
fig_folded.y_range.start
]
def _update_lc_plot_help_reset(event):
lc_help_source.data['time'] = [
(np.max(lc.time) - np.min(lc.time)) * 0.98 + np.min(lc.time)
]
lc_help_source.data['flux'] = [
(np.max(lc.flux) - np.min(lc.flux)) * 0.9 + np.min(lc.flux)
]
def _update_lc_plot_help(event):
lc_help_source.data['time'] = [
(fig_lc.x_range.end - fig_lc.x_range.start) * 0.95 +
fig_lc.x_range.start
]
lc_help_source.data['flux'] = [
(fig_lc.y_range.end - fig_lc.y_range.start) * 0.9 +
fig_lc.y_range.start
]
def _update_bls_plot_help_event(event):
bls_help_source.data['period'] = [
bls_source.data['period'][int(npoints_slider.value * 0.95)]
]
bls_help_source.data['power'] = [
(np.max(bls_source.data['power']) -
np.min(bls_source.data['power'])) * 0.98 +
np.min(bls_source.data['power'])
]
def _update_bls_plot_help(attr, old, new):
bls_help_source.data['period'] = [
bls_source.data['period'][int(npoints_slider.value * 0.95)]
]
bls_help_source.data['power'] = [
(np.max(bls_source.data['power']) -
np.min(bls_source.data['power'])) * 0.98 +
np.min(bls_source.data['power'])
]
# Create all the figures.
fig_folded = make_folded_figure_elements(f, f_model_lc, f_source,
f_model_lc_source,
f_help_source)
fig_folded.title.text = 'Period: {} days \t T0: {}{}'.format(
np.round(best_period, 7), np.round(best_t0, 5), time_format)
fig_bls, vertical_line = make_bls_figure_elements(
result, bls_source, bls_help_source)
fig_lc = make_lightcurve_figure_elements(lc, model_lc, lc_source,
model_lc_source,
lc_help_source)
# Map changes
# If we click a new period, update
bls_source.selected.on_change('indices', _update_upon_period_selection)
# If we change the duration, update everything, including help button for BLS
duration_slider.on_change('value', _update_model_slider)
duration_slider.on_change('value', _update_bls_plot_help)
# If we increase resolution, update everything
npoints_slider.on_change('value', _update_model_slider)
# Make sure the vertical line always goes to the best period.
vertical_line.update(location=best_period)
# If we pan in the BLS panel, update everything
fig_bls.on_event(PanEnd, _update_model_slider_EVENT)
fig_bls.on_event(Reset, _update_model_slider_EVENT)
# If we pan in the LC panel, rebin the points
fig_lc.on_event(PanEnd, _update_light_curve_plot)
fig_lc.on_event(Reset, _update_light_curve_plot)
# If we pan in the Folded panel, rebin the points
fig_folded.on_event(PanEnd, _update_folded_plot)
fig_folded.on_event(Reset, _update_folded_plot)
# Deal with help button
fig_bls.on_event(PanEnd, _update_bls_plot_help_event)
fig_bls.on_event(Reset, _update_bls_plot_help_event)
fig_folded.on_event(PanEnd, _update_folded_plot_help)
fig_folded.on_event(Reset, _update_folded_plot_help_reset)
fig_lc.on_event(PanEnd, _update_lc_plot_help)
fig_lc.on_event(Reset, _update_lc_plot_help_reset)
# Buttons
double_button.on_click(_double_period_event)
half_button.on_click(_half_period_event)
# Layout the widget
doc.add_root(
layout([[fig_bls, fig_folded], fig_lc,
[
Spacer(width=70), duration_slider,
Spacer(width=50), npoints_slider
],
[
Spacer(width=70), double_button,
Spacer(width=70), half_button,
Spacer(width=300), text_output
]]))
def generate_plots_s3(ticid,sector,cam,ccd, \
bls_bucket="tesssearchresults", \
detrend_bucket="tesssearchresults", \
ffilc_bucket="straw-lightcurves", \
outpath="/Users/smullally/TESS/lambdaSearch/strawTests/blsResults/s0001-kdwarf/plots/"):
"""
Given a TICID, sector, camera, ccd and the bucket locations.
generate a one page plot for each signal found by the bls using
the information in those files.
bls_bucket contains the search results csv file.
detrend_bucket contains the detrend fits file.
ffi_bucket contains the raw light curve fits files.
returns hdus and a dictionary of the csv.
"""
rootname = "tic%012u_s%04u-%1u-%1u" % (ticid, sector, cam, ccd)
path = "tic%012u/" % ticid
bls_name = "%s_plsearch.csv" % rootname
det_name = "%s_detrend.fits" % rootname
lc_name = "%s_stlc.fits" % rootname
if detrend_bucket[0] == "/":
det_hdu = fits.open(detrend_bucket + path + det_name)
bls = np.loadtxt(bls_bucket + path + bls_name, delimiter=',')
else:
det_hdu = loadFitsFromUri(detrend_bucket, path, det_name)
bls = loadCsvFromUri(bls_bucket, path, bls_name)
if ffilc_bucket[0] == "/":
raw_hdu = fits.open(ffilc_bucket + path + lc_name)
else:
raw_hdu = loadFitsFromUri(ffilc_bucket, path, lc_name)
#Get the number of signals found by the bls.
if len(bls.shape) == 1:
N = 1
bls = bls.reshape((1, 7))
#print(bls.shape)
else:
N = bls.shape[0]
time_raw = raw_hdu[1].data['TIME']
raw = raw_hdu[1].data['SAP_FLUX']
time_det = det_hdu[1].data['TIME']
detrend = det_hdu[1].data['DETREND_FLUX']
#plt.plot(time_det,detrend,'.')
head = raw_hdu[1].header
try:
ave_im = raw_hdu[2].data
except:
ave_im = np.zeros((10, 10))
meta = {}
meta['sector'] = sector
meta['cam'] = cam
meta['ccd'] = ccd
try:
meta['imloc'] = (head['CUBECOL'], head['CUBEROW'])
except:
meta['imloc'] = (head['APCEN_Y'], head['APCEN_X'])
meta['radius'] = head['AP_RAD']
for i in range(N):
#print(i)
meta['period'] = bls[i, 0]
meta['dur'] = bls[i, 3]
meta['epoch'] = bls[i, 1]
meta['snr'] = bls[i, 4]
meta['depth'] = bls[i, 2]
meta['ntrans'] = bls[i, 5]
meta['id'] = ticid
meta['pn'] = i + 1
#print(meta)
bls_object = BoxLeastSquares(time_det, detrend)
model = bls_object.model(time_det, meta['period'], \
meta['dur'], meta['epoch'])
out_name = "%s-%02i_plot.png" % (rootname, meta['pn'])
output = outpath + out_name
plt.figure(figsize=(10, 12))
report.summaryPlot1(time_raw, raw, time_det, detrend, model, ave_im,
meta)
plt.savefig(output)
print(output)
def _create_interact_ui(doc,
minp=minimum_period,
maxp=maximum_period,
resolution=resolution):
"""Create BLS interact user interface."""
if minp is None:
minp = 0.3
if maxp is None:
maxp = (lc.time[-1].value - lc.time[0].value) / 2
# TODO: consider to accept Time as minp / maxp, and convert it to unitless days
time_format = ""
if lc.time.format == "bkjd":
time_format = " - 2454833 days"
if lc.time.format == "btjd":
time_format = " - 2457000 days"
# Some sliders
duration_slider = Slider(
start=0.01,
end=0.5,
value=0.05,
step=0.01,
title="Duration [Days]",
width=400,
)
npoints_slider = Slider(
start=500,
end=10000,
value=resolution,
step=100,
title="BLS Resolution",
width=400,
)
# Set up the period values, BLS model and best period
period_values = np.logspace(np.log10(minp), np.log10(maxp),
npoints_slider.value)
period_values = period_values[(period_values > duration_slider.value)
& (period_values < maxp)]
model = BoxLeastSquares(lc.time, lc.flux)
result = model.power(period_values, duration_slider.value)
loc = np.argmax(result.power)
best_period = result.period[loc]
best_t0 = result.transit_time[loc]
# Some Buttons
double_button = Button(label="Double Period",
button_type="danger",
width=100)
half_button = Button(label="Half Period",
button_type="danger",
width=100)
text_output = Paragraph(
text="Period: {} days, T0: {}{}".format(
_round_strip_unit(best_period, 7),
_round_strip_unit(best_t0, 7),
time_format,
),
width=350,
height=40,
)
# Set up BLS source
bls_source = prepare_bls_datasource(result, loc)
bls_source_units = dict(
transit_time_format=result["transit_time"].format,
transit_time_scale=result["transit_time"].scale,
period=result["period"].unit,
)
bls_help_source = prepare_bls_help_source(bls_source,
npoints_slider.value)
# Set up the model LC
mf = model.model(lc.time, best_period, duration_slider.value, best_t0)
mf /= np.median(mf)
mask = ~(convolve(np.asarray(mf == np.median(mf)), Box1DKernel(2)) >
0.9)
model_lc = _to_lc(lc.time[mask], mf[mask])
model_lc_source = _to_ColumnDataSource(
data=dict(time=model_lc.time, flux=model_lc.flux))
# Set up the LC
nb = int(np.ceil(len(lc.flux) / 5000))
lc_source = prepare_lightcurve_datasource(lc[::nb])
lc_help_source = prepare_lc_help_source(lc)
# Set up folded LC
nb = int(np.ceil(len(lc.flux) / 10000))
f = lc.fold(best_period, best_t0)
f_source = prepare_folded_datasource(f[::nb])
f_help_source = prepare_f_help_source(f)
f_model_lc = model_lc.fold(best_period, best_t0)
f_model_lc = _to_lc(_as_1d(f.time.min()), [1]).append(f_model_lc)
f_model_lc = f_model_lc.append(_to_lc(_as_1d(f.time.max()), [1]))
f_model_lc_source = _to_ColumnDataSource(
data=dict(phase=f_model_lc.time, flux=f_model_lc.flux))
def _update_light_curve_plot(event):
"""If we zoom in on LC plot, update the binning."""
mint, maxt = fig_lc.x_range.start, fig_lc.x_range.end
inwindow = (lc.time.value > mint) & (lc.time.value < maxt)
nb = int(np.ceil(inwindow.sum() / 5000))
temp_lc = lc[inwindow]
_update_source(lc_source, {
"time": temp_lc.time[::nb],
"flux": temp_lc.flux[::nb]
})
def _update_folded_plot(event):
loc = np.argmax(bls_source.data["power"])
best_period = bls_source.data["period"][loc]
best_t0 = bls_source.data["transit_time"][loc]
# Otherwise, we can just update the best_period index
minphase, maxphase = fig_folded.x_range.start, fig_folded.x_range.end
f = lc.fold(best_period, best_t0)
inwindow = (f.time > minphase) & (f.time < maxphase)
nb = int(np.ceil(inwindow.sum() / 10000))
_update_source(
f_source,
{
"phase": f[inwindow].time[::nb],
"flux": f[inwindow].flux[::nb]
},
)
# Function to update the widget
def _update_params(all=False, best_period=None, best_t0=None):
if all:
# If we're updating everything, recalculate the BLS model
minp, maxp = fig_bls.x_range.start, fig_bls.x_range.end
period_values = np.logspace(np.log10(minp), np.log10(maxp),
npoints_slider.value)
ok = (period_values > duration_slider.value) & (period_values <
maxp)
if ok.sum() == 0:
return
period_values = period_values[ok]
result = model.power(period_values, duration_slider.value)
ok = (_isfinite(result["power"])
& _isfinite(result["duration"])
& _isfinite(result["transit_time"])
& _isfinite(result["period"]))
ok_result = dict(
period=result["period"]
[ok], # useful for accessing values with units needed later
power=result["power"][ok],
duration=result["duration"][ok],
transit_time=result["transit_time"][ok],
)
_update_source(bls_source, ok_result)
loc = np.nanargmax(ok_result["power"])
best_period = ok_result["period"][loc]
best_t0 = ok_result["transit_time"][loc]
minpow, maxpow = (
bls_source.data["power"].min() * 0.95,
bls_source.data["power"].max() * 1.05,
)
fig_bls.y_range.start = minpow
fig_bls.y_range.end = maxpow
# Otherwise, we can just update the best_period index
minphase, maxphase = fig_folded.x_range.start, fig_folded.x_range.end
f = lc.fold(best_period, best_t0)
inwindow = (f.time > minphase) & (f.time < maxphase)
nb = int(np.ceil(inwindow.sum() / 10000))
_update_source(
f_source,
{
"phase": f[inwindow].time[::nb],
"flux": f[inwindow].flux[::nb]
},
)
mf = model.model(lc.time, best_period, duration_slider.value,
best_t0)
mf /= np.median(mf)
mask = ~(convolve(np.asarray(mf == np.median(mf)), Box1DKernel(2))
> 0.9)
model_lc = _to_lc(lc.time[mask], mf[mask])
_update_source(model_lc_source, {
"time": model_lc.time,
"flux": model_lc.flux
})
f_model_lc = model_lc.fold(best_period, best_t0)
f_model_lc = _to_lc(_as_1d(f.time.min()), [1]).append(f_model_lc)
f_model_lc = f_model_lc.append(_to_lc(_as_1d(f.time.max()), [1]))
_update_source(f_model_lc_source, {
"phase": f_model_lc.time,
"flux": f_model_lc.flux
})
vertical_line.update(location=best_period.value)
fig_folded.title.text = "Period: {} days \t T0: {}{}".format(
_round_strip_unit(best_period, 7),
_round_strip_unit(best_t0, 7),
time_format,
)
text_output.text = "Period: {} days, \t T0: {}{}".format(
_round_strip_unit(best_period, 7),
_round_strip_unit(best_t0, 7),
time_format,
)
# Callbacks
def _update_upon_period_selection(attr, old, new):
"""When we select a period we should just update a few things, but we should not recalculate model"""
if len(new) > 0:
new = new[0]
best_period = (bls_source.data["period"][new] *
bls_source_units["period"])
best_t0 = Time(
bls_source.data["transit_time"][new],
format=bls_source_units["transit_time_format"],
scale=bls_source_units["transit_time_scale"],
)
_update_params(best_period=best_period, best_t0=best_t0)
def _update_model_slider(attr, old, new):
"""If the duration slider is updated, then update the whole model set."""
_update_params(all=True)
def _update_model_slider_EVENT(event):
"""If we update the duration slider, we should update the whole model set.
This is the same as the _update_model_slider but it has a different call signature...
"""
_update_params(all=True)
def _double_period_event():
fig_bls.x_range.start *= 2
fig_bls.x_range.end *= 2
_update_params(all=True)
def _half_period_event():
fig_bls.x_range.start /= 2
fig_bls.x_range.end /= 2
_update_params(all=True)
# Help Hover Call Backs
def _update_folded_plot_help_reset(event):
f_help_source.data["phase"] = [_at_ratio(f.time, 0.95)]
f_help_source.data["flux"] = [_at_ratio(f.flux, 0.95)]
def _update_folded_plot_help(event):
f_help_source.data["phase"] = [_at_ratio(fig_folded.x_range, 0.95)]
f_help_source.data["flux"] = [_at_ratio(fig_folded.y_range, 0.95)]
def _update_lc_plot_help_reset(event):
lc_help_source.data["time"] = [_at_ratio(lc.time, 0.98)]
lc_help_source.data["flux"] = [_at_ratio(lc.flux, 0.95)]
def _update_lc_plot_help(event):
lc_help_source.data["time"] = [_at_ratio(fig_lc.x_range, 0.98)]
lc_help_source.data["flux"] = [_at_ratio(fig_lc.y_range, 0.95)]
def _update_bls_plot_help_event(event):
# cannot use _at_ratio helper for period, because period is log scaled.
bls_help_source.data["period"] = [
bls_source.data["period"][int(npoints_slider.value * 0.95)]
]
bls_help_source.data["power"] = [
_at_ratio(bls_source.data["power"], 0.98)
]
def _update_bls_plot_help(attr, old, new):
bls_help_source.data["period"] = [
bls_source.data["period"][int(npoints_slider.value * 0.95)]
]
bls_help_source.data["power"] = [
_at_ratio(bls_source.data["power"], 0.98)
]
# Create all the figures.
fig_folded = make_folded_figure_elements(f, f_model_lc, f_source,
f_model_lc_source,
f_help_source)
fig_folded.title.text = "Period: {} days \t T0: {}{}".format(
_round_strip_unit(best_period, 7),
_round_strip_unit(best_t0, 5),
time_format,
)
fig_bls, vertical_line = make_bls_figure_elements(
result, bls_source, bls_help_source)
fig_lc = make_lightcurve_figure_elements(lc, model_lc, lc_source,
model_lc_source,
lc_help_source)
# Map changes
# If we click a new period, update
bls_source.selected.on_change("indices", _update_upon_period_selection)
# If we change the duration, update everything, including help button for BLS
duration_slider.on_change("value", _update_model_slider)
duration_slider.on_change("value", _update_bls_plot_help)
# If we increase resolution, update everything
npoints_slider.on_change("value", _update_model_slider)
# Make sure the vertical line always goes to the best period.
vertical_line.update(location=best_period.value)
# If we pan in the BLS panel, update everything
fig_bls.on_event(PanEnd, _update_model_slider_EVENT)
fig_bls.on_event(Reset, _update_model_slider_EVENT)
# If we pan in the LC panel, rebin the points
fig_lc.on_event(PanEnd, _update_light_curve_plot)
fig_lc.on_event(Reset, _update_light_curve_plot)
# If we pan in the Folded panel, rebin the points
fig_folded.on_event(PanEnd, _update_folded_plot)
fig_folded.on_event(Reset, _update_folded_plot)
# Deal with help button
fig_bls.on_event(PanEnd, _update_bls_plot_help_event)
fig_bls.on_event(Reset, _update_bls_plot_help_event)
fig_folded.on_event(PanEnd, _update_folded_plot_help)
fig_folded.on_event(Reset, _update_folded_plot_help_reset)
fig_lc.on_event(PanEnd, _update_lc_plot_help)
fig_lc.on_event(Reset, _update_lc_plot_help_reset)
# Buttons
double_button.on_click(_double_period_event)
half_button.on_click(_half_period_event)
# Layout the widget
doc.add_root(
layout([
[fig_bls, fig_folded],
fig_lc,
[
Spacer(width=70),
duration_slider,
Spacer(width=50),
npoints_slider,
],
[
Spacer(width=70),
double_button,
Spacer(width=70),
half_button,
Spacer(width=300),
text_output,
],
]))
