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<H1><A NAME="SECTION0001200000000000000000"></A><a id='l2h-211' xml:id='l2h-211'></a>
<BR>
12 Rose plots
</H1>
<A NAME="module-rose-plot"></A>
<P>
<dl><dt><b><span class="typelabel">class</span> <tt id='l2h-213' xml:id='l2h-213' class="class">rose_plot.T</tt></b>
<dd>
Rose plot class is contributed by Kilian Hagemann. It's still experimental.
<IMG
WIDTH="278" HEIGHT="248" ALIGN="BOTTOM" BORDER="0"
SRC="./roseplottest.png"
ALT="Image roseplottest">
<P>
<b> Sample rose plot </b>
<P>
Below is the source code that produces the above chart.
../demos/roseplottest.py
<P>
<div class="verbatim"><pre>
from pychart import *
<a href="options.html">theme.</a>use_color = 1
data1 = [ 0.27027027, 0.74324324, 0. ,
0.34459459 ,0.47297297 ,0.06756757,
0.90540541 ,1. ,0.40540541 ,
0.33783784 ,0.33783784 ,0.16216216]
data2 = [ 0.93333333, 0.46666667 ,0.26666667 ,
0.60666667 ,0.6 ,0.73333333,
0.22666667, 0.72 ,0.13333333 ,
0.46666667 ,1. ,0.29333333]
data = [('/7Model', data1), ('/7Station', data2)]
ar = <a href="module-area.html">area.T</a>(legend=<a href="module-legend.html">legend.</a>T(loc=(100,-5), right_fudge=0, left_fudge=3))
plot = rose_plot.T(data=data, sector_centred=True)
ar.add_plot(plot)
ar.draw()
</pre></div>
</dl>
<P>
This class supports the following attributes:
<P>
<dl><dt><b><tt id='l2h-214' xml:id='l2h-214' class="member">base_radius</tt></b></dt>
<dd>
<b>Type:</b> number
<b>Default:</b> None.
<P>
</dl>
<dl><dt><b><tt id='l2h-215' xml:id='l2h-215' class="member">center</tt></b></dt>
<dd>
<b>Type:</b> (x,y) or None
<b>Default:</b> None.
<P>
</dl>
<dl><dt><b><tt id='l2h-216' xml:id='l2h-216' class="member">data</tt></b></dt>
<dd>
<b>Type:</b> any
<b>Default:</b> None.
<P>
Specifies the data points. See Section <A href="module-chart-data.html#module-chart-data">5</A>
</dl>
<dl><dt><b><tt id='l2h-217' xml:id='l2h-217' class="member">data_col</tt></b></dt>
<dd>
<b>Type:</b> int
<b>Default:</b> 1.
<P>
The column, within "data", from which the data values are retrieved.
</dl>
<dl><dt><b><tt id='l2h-218' xml:id='l2h-218' class="member">dir_fill_style</tt></b></dt>
<dd>
<b>Type:</b> fill_style.T
( see Section <A href="module-fill-style.html#module-fill-style">16</A>)
<b>Default:</b> fill_style.default.
<P>
</dl>
<dl><dt><b><tt id='l2h-219' xml:id='l2h-219' class="member">dir_line_style</tt></b></dt>
<dd>
<b>Type:</b> line_style.T
( see Section <A href="module-line-style.html#module-line-style">14</A>)
<b>Default:</b> None.
<P>
</dl>
<dl><dt><b><tt id='l2h-220' xml:id='l2h-220' class="member">dir_offset</tt></b></dt>
<dd>
<b>Type:</b> length in points ( See Section <A href="unit.html#unit">4</A>)
<b>Default:</b> None.
<P>
The distance between the directions and the outermost circle. Defaults fine for most cases
</dl>
<dl><dt><b><tt id='l2h-221' xml:id='l2h-221' class="member">fill_styles</tt></b></dt>
<dd>
<b>Type:</b> list
<b>Default:</b> ['fill_style.black', 'fill_style.gray70', 'fill_style.diag', 'fill_style.gray50', 'fill_style.white', 'fill_style.rdiag', 'fill_style.vert', 'fill_style.gray30', 'fill_style.gray20', 'fill_style.gray10', 'fill_style.diag2', 'fill_style.rdiag2', 'fill_style.diag3', 'fill_style.horiz', 'fill_style.gray90', 'fill_style.rdiag3', 'fill_style.wave', 'fill_style.vwave', 'fill_style.stitch', 'fill_style.lines', 'fill_style.diag_fine', 'fill_style.diag2_fine', 'fill_style.diag3_fine', 'fill_style.rdiag_fine', 'fill_style.rdiag2_fine', 'fill_style.rdiag3_fine', 'fill_style.horiz_fine', 'fill_style.vert_fine'].
<P>
The fill style of each item. The length of the
list should be equal to the length of the data.
<P>
</dl>
<dl><dt><b><tt id='l2h-222' xml:id='l2h-222' class="member">label_col</tt></b></dt>
<dd>
<b>Type:</b> int
<b>Default:</b> 0.
<P>
The column, within "data", from which the labels of items are retrieved.
</dl>
<dl><dt><b><tt id='l2h-223' xml:id='l2h-223' class="member">line_style</tt></b></dt>
<dd>
<b>Type:</b> line_style.T
( see Section <A href="module-line-style.html#module-line-style">14</A>)
<b>Default:</b> <var>linestyle: width=0.3, color=default, dash=None, cap=0, join=0</var>.
<P>
</dl>
<dl><dt><b><tt id='l2h-224' xml:id='l2h-224' class="member">sector_centred</tt></b></dt>
<dd>
<b>Type:</b> int
<b>Default:</b> 1.
<P>
Bool indicating whether the sectors should be centred on each sector_width(e.g. on 0)
</dl>
<dl><dt><b><tt id='l2h-225' xml:id='l2h-225' class="member">sector_width</tt></b></dt>
<dd>
<b>Type:</b> int
<b>Default:</b> None.
<P>
</dl>
<dl><dt><b><tt id='l2h-226' xml:id='l2h-226' class="member">shadow</tt></b></dt>
<dd>
<b>Type:</b> (xoff,yoff,fill)
<b>Default:</b> None.
<P>
The value is either None or a tuple. When non-None,
a drop-shadow is drawn beneath the object. X-off, and y-off specifies the
offset of the shadow relative to the object, and fill specifies the
style of the shadow ( see Section <A href="module-fill-style.html#module-fill-style">16</A>).
</dl>
<dl><dt><b><tt id='l2h-227' xml:id='l2h-227' class="member">start_angle</tt></b></dt>
<dd>
<b>Type:</b> number
<b>Default:</b> 90.
<P>
</dl>
<P>
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<span class="release-info">Documentation released on July 2, 2005.</span>
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