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comparison numerics/bar.py @ 115:7fac47bb648e

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mysteries and more mysteries: bokeh should really be a plugin for this, not the way to do it, but we are porting so lets ignore that and boldly walk forward
author Jeff Hammel <k0scist@gmail.com>
date Sun, 15 Mar 2015 17:03:38 -0700
parents f9900883db2e
children fe820a3afa48
comparison
equal deleted inserted replaced
114:8b5fba91dac5 115:7fac47bb648e
8 - http://bokeh.pydata.org/tutorial/solutions/gallery/olympics.html 8 - http://bokeh.pydata.org/tutorial/solutions/gallery/olympics.html
9 """ 9 """
10 10
11 # imports 11 # imports
12 import argparse 12 import argparse
13 #import pandas as pd
14 import sys 13 import sys
14 from .data import transpose
15 from .manipulate import ManipulationParser 15 from .manipulate import ManipulationParser
16 #from .read import CSVParser
17 from bokeh.charts import Bar 16 from bokeh.charts import Bar
18 from bokeh.plotting import * 17 from bokeh.plotting import *
18 from collections import OrderedDict
19 19
20 __all__ = ['bar_chart', 'BarChartParser', 'main'] 20 __all__ = ['bar_chart', 'BarChartParser', 'main']
21
21 22
22 def bar_chart(data, output): 23 def bar_chart(data, output):
23 """create a bar chart""" 24 """create a bar chart"""
24 25
25 bar = Bar(data, tools="pan,wheel_zoom,box_zoom,reset,resize") 26 bar = Bar(data, tools="pan,wheel_zoom,box_zoom,reset,resize")
47 options = parser.parse_args(args) 48 options = parser.parse_args(args)
48 49
49 # process data 50 # process data
50 data = parser.typed_data() 51 data = parser.typed_data()
51 52
53 # ensure a mapping is given
54 if len(data) == 1:
55 data.insert(0, range(len(data[-1])))
56 if len(data) != 2:
57 parser.error("A mapping is required")
58 mapping = OrderedDict(transpose(data))
59
52 # generate bar chart 60 # generate bar chart
53 bar_chart(data, options.output) 61 bar_chart(mapping, options.output)
54 62
55 # BBB keeping this around for reference; 63 # BBB keeping this around for reference;
56 # we should probably move to a better parsing system at some point 64 # we should probably move to a better parsing system at some point
57 # parse file 65 # parse file
58 # data = pd.read_csv(options.input, header=None, names=options.columns, index_col=0) 66 # data = pd.read_csv(options.input, header=None, names=options.columns, index_col=0)