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Add Legend to Bubble Plot #809

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Jan 19, 2018
Merged

Add Legend to Bubble Plot #809

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37 changes: 33 additions & 4 deletions webapp/apps/btax/bubble_plot/bubble_plot_tabs.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,11 +5,11 @@

# importing Bokeh libraries
from bokeh.plotting import figure
from bokeh.models import ColumnDataSource, Title, CustomJS
from bokeh.models import ColumnDataSource, Title, CustomJS, LabelSet
from bokeh.models.widgets import Select, Panel, Tabs, RadioButtonGroup
from bokeh.models import HoverTool, WheelZoomTool, ResetTool, SaveTool
from bokeh.models import NumeralTickFormatter
from bokeh.layouts import gridplot
from bokeh.layouts import gridplot, column
from bokeh.embed import components
from bokeh.resources import CDN

Expand Down Expand Up @@ -163,6 +163,22 @@ def bubble_plot_tabs(dataframes):
p.add_tools(WheelZoomTool(), ResetTool(), SaveTool())
p.toolbar_location = "right"
p.toolbar.logo = None

# Define and add a legend
legend_cds = ColumnDataSource({'size': SIZES,
'label': ['<$20B', '', '', '<$1T'],
'x': [0, .15, .35, .6]})
p_legend = figure(height=150, width=480, x_range=(-0.075, .75),
title='Asset Amount')
p_legend.circle(y=None, x='x', size='size', source=legend_cds, color=BLUE,
fill_alpha=.4, alpha=.4, line_color="#333333")
l = LabelSet(y=None, x='x', text='label', x_offset=-20, y_offset=-50,
source=legend_cds)
p_legend.add_layout(l)
p_legend.axis.visible = False
p_legend.grid.grid_line_color = None
p_legend.toolbar.active_drag = None

data_sources['equip_plot'] = p

# Structures plot
Expand Down Expand Up @@ -206,6 +222,19 @@ def bubble_plot_tabs(dataframes):
p2.add_tools(WheelZoomTool(), ResetTool(), SaveTool())
p2.toolbar_location = "right"
p2.toolbar.logo = None

# Define and add a legend
p2_legend = figure(height=150, width=380, x_range=(-0.075, .75),
title='Asset Amount')
p2_legend.circle(y=None, x='x', size='size', source=legend_cds, color=RED,
fill_alpha=.4, alpha=.4, line_color="#333333")
l2 = LabelSet(y=None, x='x', text='label', x_offset=-20, y_offset=-50,
source=legend_cds)
p2_legend.add_layout(l2)
p2_legend.axis.visible = False
p2_legend.grid.grid_line_color = None
p2_legend.toolbar.active_drag = None

data_sources['struc_plot'] = p2

# add buttons
Expand All @@ -229,8 +258,8 @@ def bubble_plot_tabs(dataframes):
controls_callback.args['type_buttons'] = type_buttons

# Create Tabs
tab = Panel(child=p, title='Equipment')
tab2 = Panel(child=p2, title='Structures')
tab = Panel(child=column([p, p_legend]), title='Equipment')
tab2 = Panel(child=column([p2, p2_legend]), title='Structures')
tabs = Tabs(tabs=[tab, tab2])
layout = gridplot(
children=[[tabs],
Expand Down