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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Seems a relatively straightforward addition to me. I’d be ok with the addition…<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Steve<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> mapserver-dev-bounces@lists.osgeo.org [mailto:mapserver-dev-bounces@lists.osgeo.org]
<b>On Behalf Of </b>Tamas Szekeres<br>
<b>Sent:</b> Wednesday, April 11, 2012 2:12 PM<br>
<b>To:</b> thomas bonfort<br>
<b>Cc:</b> mapserver-dev@lists.osgeo.org<br>
<b>Subject:</b> Re: [mapserver-dev] MapServer pie chart enhancements<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hi Thomas,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I would just use 3 specific functions (linear, sqrt, log) as the possible values of CHART_SIZE_FUNCTION <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Best regards,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Tamas<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><o:p> </o:p></p>
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<p class="MsoNormal">2012/4/11 thomas bonfort <<a href="mailto:thomas.bonfort@gmail.com">thomas.bonfort@gmail.com</a>><o:p></o:p></p>
<p class="MsoNormal">Hi Tamas,<br>
How would you express this in a pseudo-generic way inside the<br>
processing keys? Are there any other functions that would make sense<br>
here?<br>
<br>
--<br>
thomas<o:p></o:p></p>
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<p class="MsoNormal"><br>
On Wed, Apr 11, 2012 at 20:14, Tamas Szekeres <<a href="mailto:szekerest@gmail.com">szekerest@gmail.com</a>> wrote:<br>
><br>
> Hi Devs,<br>
><br>
> One of our client requires an addition which could provide nonlinear<br>
> function to visualize the size of the pies depending on the source<br>
> attribute. Currently we can specify the chart size as follows:<br>
><br>
> PROCESSING "CHART_SIZE_RANGE = itemname minsize maxsize minval maxval"<br>
><br>
> This can provide the size as linear function of the item value. As an<br>
> enhancement we would like to add further kind of functions (like square root<br>
> or logarithm) to enhance the visual appearance (see the images attached).<br>
><br>
> This addition could be implemented by introducing a new processing option<br>
> (like: CHART_SIZE_FUNCTION ) and by adding a switch to the size calculation<br>
> in mapchart.c.<br>
><br>
> For example with the square root function we could use:<br>
><br>
> diameter=MS_NINT(<br>
> mindiameter+<br>
> (sqrt((diameter-minvalue))/sqrt((maxvalue-minvalue)))*<br>
> (maxdiameter-mindiameter));<br>
><br>
><br>
> What do you think about this change?<br>
><br>
><br>
> Best regards,<br>
><br>
> Tamas<br>
><br>
><br>
><o:p></o:p></p>
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<p class="MsoNormal">> _______________________________________________<br>
> mapserver-dev mailing list<br>
> <a href="mailto:mapserver-dev@lists.osgeo.org">mapserver-dev@lists.osgeo.org</a><br>
> <a href="http://lists.osgeo.org/mailman/listinfo/mapserver-dev" target="_blank">
http://lists.osgeo.org/mailman/listinfo/mapserver-dev</a><br>
><o:p></o:p></p>
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