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- #!/usr/bin/python
- # -*- coding: utf-8 -*-
- """
- Python-nvd3 is a Python wrapper for NVD3 graph library.
- NVD3 is an attempt to build re-usable charts and chart components
- for d3.js without taking away the power that d3.js gives you.
- Project location : https://github.com/areski/python-nvd3
- """
- from .NVD3Chart import NVD3Chart, TemplateMixin
- class lineWithFocusChart(TemplateMixin, NVD3Chart):
- """
- A lineWithFocusChart or line graph is a type of chart which displays information
- as a series of data points connected by straight line segments.
- The lineWithFocusChart provide a smaller chart that act as a selector,
- this is very useful if you want to zoom on a specific time period.
- Python example::
- from nvd3 import lineWithFocusChart
- chart = lineWithFocusChart(name='lineWithFocusChart', x_is_date=True, x_axis_format="%d %b %Y")
- xdata = [1365026400000, 1365026500000, 1365026600000, 1365026700000, 1365026800000, 1365026900000, 1365027000000]
- ydata = [-6, 5, -1, 2, 4, 8, 10]
- extra_serie = {"tooltip": {"y_start": "", "y_end": " ext"},
- "date_format": "%d %b %Y"}
- chart.add_serie(name="Serie 1", y=ydata, x=xdata, extra=extra_serie)
- chart.buildhtml()
- print(chart.content)
- Javascript generated:
- .. include:: ./examples/lineWithFocusChart.html
- """
- CHART_FILENAME = "./linewfocuschart.html"
- template_chart_nvd3 = NVD3Chart.template_environment.get_template(CHART_FILENAME)
- def __init__(self, **kwargs):
- super(lineWithFocusChart, self).__init__(**kwargs)
- self.model = 'lineWithFocusChart'
- height = kwargs.get('height', 450)
- width = kwargs.get('width', None)
- if kwargs.get('x_is_date', False):
- self.set_date_flag(True)
- self.create_x_axis('xAxis', format=kwargs.get('x_axis_format',
- '%d %b %Y %H %S'),
- date=True)
- self.create_x_axis('x2Axis', format=kwargs.get('x_axis_format',
- '%d %b %Y %H %S'),
- date=True)
- self.set_custom_tooltip_flag(True)
- else:
- self.create_x_axis('xAxis', format=kwargs.get('x_axis_format',
- '.2f'))
- self.create_x_axis('x2Axis', format=kwargs.get('x_axis_format',
- '.2f'))
- self.create_y_axis('yAxis', format=kwargs.get('y_axis_format', '.2f'))
- self.create_y_axis('y2Axis', format=kwargs.get('y_axis_format', '.2f'))
- self.set_graph_height(height)
- if width:
- self.set_graph_width(width)
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