def index():
""" Very simple embedding of a lightcurve chart
"""
# FLASK
# Grab the inputs arguments from the URL
# This is automated by the button
args = flask.request.args
_from = str(args.get('_from', str(DEFAULT_TR.start)))
_to = str(args.get('_to', str(DEFAULT_TR.end)))
tr = TimeRange(parse_time(_from), parse_time(_to))
if 'next' in args:
tr = tr.next()
if 'prev' in args:
tr = tr.previous()
if 'next_hour' in args:
tr = TimeRange(tr.start + ONE_HOUR, tr.end + ONE_HOUR)
if 'next_day' in args:
tr = TimeRange(tr.start + ONE_DAY, tr.end + ONE_DAY)
if 'prev_hour' in args:
tr = TimeRange(tr.start - ONE_HOUR, tr.end - ONE_HOUR)
if 'prev_day' in args:
tr = TimeRange(tr.start - ONE_DAY, tr.end - ONE_DAY)
_from = str(tr.start)
_to = str(tr.end)
# get the data
goes = lc.GOESLightCurve.create(tr)
# resample to reduce the number of points for debugging
goes.data = goes.data.resample("1T").mean()
# add time string for display of hover tool
goes.data['time_str'] = goes.data.index.strftime('%F %H:%M:%S')
source = ColumnDataSource(data=goes.data)
source_static = ColumnDataSource(data=goes.data)
# now create the bokeh plots
# XRS-B Plot
fig1 = figure(title="GOES",
tools=TOOLS,
plot_height=PLOT_HEIGHT,
width=PLOT_WIDTH,
x_axis_type='datetime',
y_axis_type="log",
y_range=(10**-9, 10**-2),
toolbar_location="right")
fig1.xaxis.formatter = formatter
fig1.line('index',
'xrsb',
source=source_static,
color='red',
line_width=2,
legend="xrsa 1-8 Angstrom")
fig2 = figure(title="GOES",
tools=TOOLS,
plot_height=PLOT_HEIGHT,
width=PLOT_WIDTH,
x_axis_type='datetime',
y_axis_type="log",
y_range=(10**-9, 10**-2))
fig2.xaxis.formatter = formatter
fig2.line('index',
'xrsa',
source=source_static,
color='blue',
line_width=2,
legend="xrsa 0.5-4.0 Angstrom")
# link the x-range for common panning
fig2.x_range = fig1.x_range
fig = Column(fig1, fig2)
source_static.callback = CustomJS(code="""
var inds = cb_obj.selected['1d'].indices;
var d1 = cb_obj.data;
var m = 0;
if (inds.length == 0) { return; }
for (i = 0; i < inds.length; i++) {
d1['color'][inds[i]] = "red"
if (d1['y'][inds[i]] > m) { m = d1['y'][inds[i]] }
}
console.log(m);
cb_obj.trigger('change');
""")
hover = HoverTool()
hover.tooltips = [("time", "@time_str"), ("xrsb", "@xrsb"),
("xrsa", "@xrsa")]
fig1.add_tools(hover)
hover2 = HoverTool()
hover2.tooltips = [("time", "@time_str"), ("xrsb", "@xrsb"),
("xrsa", "@xrsa")]
fig2.add_tools(hover2)
# Configure resources to include BokehJS inline in the document.
# For more details see:
# http://bokeh.pydata.org/en/latest/docs/reference/resources_embedding.html#bokeh-embed
js_resources = INLINE.render_js()
css_resources = INLINE.render_css()
# For more details see:
# http://bokeh.pydata.org/en/latest/docs/user_guide/embedding.html#components
script, div = components(fig, INLINE)
html = flask.render_template(
'embed.html',
plot_script=script,
plot_div=div,
js_resources=js_resources,
css_resources=css_resources,
_from=_from,
_to=_to,
)
return encode_utf8(html)
