Working the Chart Percentages
- by Tim Dexter
Charting in BIP is such fun, well sometimes it is. Not so much today, at least not for Ron in San Diego. He needed a horizontal bar chart showing values plotted for various test areas with value labels at the end of the bars. Simple enough right? The wrinkle, they were percentage values so he needed to see '56%' not '56'!
Still, it should be simple enough but the percentage formatting has a requirement for your values to be in a decimal format i.e. 0.56 not 56.0. 56.0 gets formatted as 5600%. OK, so either pull the values out as decimals or use the div function to divide the values in the chart by 100 e.g.
<xsl:value-of select="myval div 100)" />
Now I can use the following the chart XML to format the percentages as I need them:
<Graph ... >
...
<MarkerText visible="true">
<Y1ViewFormat>
<ViewFormat numberType="NUMTYPE_PERCENT" decimalDigit="0" numberTypeUsed="true"
leadingZeroUsed="true" decimalDigitUsed="true"/>
</Y1ViewFormat>
</MarkerText>
...
</Graph>
That gets me the values shown the way I want but the auto axis formatting gets me from 0 >> 1.
I now need to go in and add the formatting for the axis too.
<Graph ...>
...
<Y1Axis axisMinAutoScaled="false" axisMinValue="0.0" axisMaxAutoScaled="false"
axisMaxValue="1.0" majorTickStepAutomatic="true">
<ViewFormat numberType="NUMTYPE_PERCENT" decimalDigit="0" scaleFactor="SCALEFACTOR_NONE"
numberTypeUsed="true" leadingZeroUsed="true" decimalDigitUsed="true" scaleFactorUsed="true"/>
</Y1Axis>
Now I have a chart that's showing the percentage values and formatting axis scale correctly for me too.
You can of course mess with the attributes above to get more decimal points on your labels, etc.
Happy Charting!
