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20 statements  

1#!/usr/bin/python 

2# -*- coding: utf-8 -*- 

3 

4""" 

5Python-nvd3 is a Python wrapper for NVD3 graph library. 

6NVD3 is an attempt to build re-usable charts and chart components 

7for d3.js without taking away the power that d3.js gives you. 

8 

9Project location : https://github.com/areski/python-nvd3 

10""" 

11 

12from .NVD3Chart import NVD3Chart, TemplateMixin 

13 

14 

15class stackedAreaChart(TemplateMixin, NVD3Chart): 

16 """ 

17 The stacked area chart is identical to the area chart, except the areas are stacked 

18 on top of each other, rather than overlapping. This can make the chart much easier to read. 

19 

20 Python example:: 

21 

22 from nvd3 import stackedAreaChart 

23 chart = stackedAreaChart(name='stackedAreaChart', height=400, width=400) 

24 

25 xdata = [100, 101, 102, 103, 104, 105, 106,] 

26 ydata = [6, 11, 12, 7, 11, 10, 11] 

27 ydata2 = [8, 20, 16, 12, 20, 28, 28] 

28 

29 extra_serie = {"tooltip": {"y_start": "There is ", "y_end": " min"}} 

30 chart.add_serie(name="Serie 1", y=ydata, x=xdata, extra=extra_serie) 

31 chart.add_serie(name="Serie 2", y=ydata2, x=xdata, extra=extra_serie) 

32 chart.buildhtml() 

33 print(chart.content) 

34 

35 Javascript generated: 

36 

37 .. include:: ./examples/stackedAreaChart.html 

38 

39 """ 

40 

41 CHART_FILENAME = "./stackedareachart.html" 

42 template_chart_nvd3 = NVD3Chart.template_environment.get_template(CHART_FILENAME) 

43 

44 def __init__(self, **kwargs): 

45 super(stackedAreaChart, self).__init__(**kwargs) 

46 height = kwargs.get('height', 450) 

47 width = kwargs.get('width', None) 

48 self.model = 'stackedAreaChart' 

49 

50 if kwargs.get('x_is_date', False): 

51 self.set_date_flag(True) 

52 self.create_x_axis('xAxis', 

53 format=kwargs.get('x_axis_format', '%d %b %Y'), 

54 date=True) 

55 self.set_custom_tooltip_flag(True) 

56 else: 

57 self.create_x_axis('xAxis', format=kwargs.get('x_axis_format', 

58 '.2f')) 

59 self.create_y_axis('yAxis', format=kwargs.get('y_axis_format', '.2f')) 

60 

61 self.set_graph_height(height) 

62 if width: 

63 self.set_graph_width(width)