| 1 | .. index:: introduction |
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| 2 | .. _introduction: |
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| 3 | |
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| 4 | ************ |
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| 5 | Introduction |
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| 6 | ************ |
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| 7 | |
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| 8 | PyCha is a very simple `Python <http://www.python.org>`_ package for drawing |
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| 9 | charts using the `Cairo <http://www.cairographics.org/>`_ library. Its lead |
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| 10 | developer is Lorenzo Gil Sanchez. |
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| 11 | |
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| 12 | .. index:: pycha goals |
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| 13 | |
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| 14 | PyCha aims to be: |
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| 15 | |
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| 16 | * Lightweight |
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| 17 | * Simple to use |
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| 18 | * Nice looking with default values |
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| 19 | * Customizable |
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| 20 | |
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| 21 | .. index:: chart types |
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| 22 | .. _pycha-chart-types: |
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| 23 | |
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| 24 | The following charts are currently supported (see screenshots below): |
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| 25 | |
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| 26 | * horizontal bar charts (``pycha.bar.HorizontalBarChart``) |
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| 27 | * vertical bar charts (``pycha.bar.VerticalBarChart``) |
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| 28 | * pie charts (``pycha.pie.PieChart``) |
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| 29 | * line charts (``pycha.line.LineChart``) |
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| 30 | * scatter charts (``pycha.scatter.ScatterChart``) |
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| 31 | |
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| 32 | Support for stacked bar charts is planned for a future release. |
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| 33 | |
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| 34 | PyCha is distributed under the terms of the `GNU Lesser General Public License |
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| 35 | <http://www.gnu.org/licenses/lgpl.html>`_. |
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| 36 | |
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| 37 | If you require more advanced graphs, you might want to consider `matplotlib |
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| 38 | <http://matplotlib.sourceforge.net/>`_. |
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| 39 | |
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| 40 | .. index:: screenshots |
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| 41 | .. _screenshots: |
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| 42 | |
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| 43 | Screenshots |
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| 44 | =========== |
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| 45 | |
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| 46 | - **horizontal bar chart** |
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| 47 | |
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| 48 | .. image:: ../examples/hbarchart.png |
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| 49 | |
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| 50 | - **vertical bar chart** |
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| 51 | |
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| 52 | .. image:: ../examples/vbarchart.png |
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| 53 | |
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| 54 | - **pie chart** |
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| 55 | |
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| 56 | .. image:: ../examples/piechart.png |
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| 57 | |
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| 58 | - **line chart** |
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| 59 | |
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| 60 | .. image:: ../examples/linechart.png |
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| 61 | |
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| 62 | - **scatter chart** |
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| 63 | |
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| 64 | .. image:: ../examples/scatterchart.png |
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| 65 | |
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| 66 | .. index:: output formats |
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| 67 | .. _output-formats: |
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| 68 | |
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| 69 | Output Formats |
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| 70 | ============== |
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| 71 | |
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| 72 | PyCha uses the `Cairo <http://www.cairographics.org/>`_ library so it should support |
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| 73 | all `Cairo surfaces <http://www.cairographics.org/manual/cairo-surfaces.html>`_. |
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| 74 | |
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| 75 | Please refer to :ref:`save-chart-to-file` and :ref:`embed-chart-in-gtk-app` for |
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| 76 | examples. |
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| 77 | |
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| 78 | .. _get-involved: |
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| 79 | |
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| 80 | Get Involved |
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| 81 | ============ |
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| 82 | |
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| 83 | PyCha has a mailing list at `http://groups.google.com/group/pycha |
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| 84 | <http://groups.google.com/group/pycha>`_. Questions and ideas are welcome. |
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| 85 | |
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