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Project Description
==================================
Vizier: a python reporting library
==================================

Originally intended to be a fork of cairoplot to add new reporting functionality,
vizier has been completely re-written and re-imagined to provide a dead-easy
reporting and graphing alternative for python using cairo.

Notable features include::

* the creation and management of multi-page documents ("books"); and
* different types of plots (e.g. bar, line, scatter) on one graph

Vizier was inspired by the fine work of the contributors and maintainers of
the CairoPlot project, who sadly have not had time to continue their work. See
`CairoPlot's project page on Launchpad <https: launchpad.net="" cairoplot="">`_.

Note: libcairo >= 1.10.1 recommended, to fix a bug with multi-page PDF clipping.
https://bugs.freedesktop.org/show_bug.cgi?id=24691

Installing on Windows
=====================

Grab a recent version of GTK+, which includes Cairo. You can download an installer here:
http://sourceforge.net/projects/gtk-win/files/GTK%2B%20Runtime%20Environment/GTK%2B%202.22/

Now, get vizier. In the root vizier directory, run::

python setup.py install

You should now be able to run one of the examples. Try::

python examples/test1.py

If abc.pdf is created and looks relatively sane, you're ready to go.

Quick Example
=============

A multi-page PDF could be created as follows::

#!/usr/bin/env python

from vizier.book import PDFBook, SimplePage, GridPage, Inch, TextSpace, LEFT, BOTTOM
from vizier.plot import BarGraph, Graph, BarPlot, LinePlot
book = PDFBook(units=Inch)

bar_graph = BarGraph([1, 2, 3, 4, 5, 6, 7])
page = SimplePage(width=11, height=8.5, margin=0.5, spacing=0.5)
page[0] = bar_graph
book.append(page)

complex_graph = ContinuousPlot(legend=True, x_grid=(0, 0.2), y_grid=(0, 0.5))
complex_graph.add_series(

# each tuple in the data is (x, y, y-error)
LineSeries("Raw Observations", [(0, 0.03, 0.016), (1, 0.18, 0.034), (2, 0.176, 0.016)]),

# each tuple in the data is (x[start, end], y, y-error)
AreaSeries("Other Things", [((-0.5, 0.5), 1.03, 0.016), ((0.5, 1.5), 1.21, 0.034), ((1.5, 2.5), 1.386, 0.034)]),

# show a threshold at y=4.25
Threshold("Warning", "Imminent Catastrophic Destruction", 4.25)
)

vlayout = VerticalLayout(0.1, 0.6) # splits a space vertically into 3.
vlayout[0] = TextSpace("This layout", halign=LEFT)
vlayout[1] = TextSpace("is split up into 3")
vlayout[2] = TextSpace("non-uniformly!", valign=BOTTOM)

page = GridPage(2, 2, width=11, height=8.5)
page[0, 0] = TextSpace("This happens to be a graph.")
page[0, 1] = complex_graph
page[1, 0] = complex_graph
page[1, 1] = vlayout
book.append(page)

fp = open("abc.pdf", 'wb')
book.compile(fp)
fp.close()
Release History

Release History

0.1dev

This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
vizier-0.1dev.tar.gz (18.3 kB) Copy SHA256 Checksum SHA256 Source Oct 21, 2011

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