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How define chart colors

denislagod

Hi everybody!

I have a DataSet : Name, Value, Color
Building a chart I need to draw each region using predefined colors in DataSet.

Thank you in advance,
Denis

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Comments

mwilliams

In your onFetch script of your dataSet, set a persistentGlobalVariable, named after the "Name" field, with the "Color" field as the value. Then, in your chart script (beforeDrawDataPoint), you can recall the color that the field is supposed to be colored by taking the base axis value and checking the value of the persistentGlobalVariable with that name and setting the color based on that value.

Hope this helps. Let me know if you have questions.

denislagod

Yes I found how to do it/ 
Strange way - I had to create an arrays of colors (copy of dataset) and then using global counter go through it. 
 
<blockquote class='ipsBlockquote' data-author="'mwilliams'" data-cid="98795" data-time="1334091797" data-date="10 April 2012 - 02:03 PM">
In your onFetch script of your dataSet, set a persistentGlobalVariable, named after the "Name" field, with the "Color" field as the value. Then, in your chart script (beforeDrawDataPoint), you can recall the color that the field is supposed to be colored by taking the base axis value and checking the value of the persistentGlobalVariable with that name and setting the color based on that value. 
 
Hope this helps. Let me know if you have questions. </blockquote>

mwilliams

Great! The persistentGlobalVariable way I described will allow you to just recall a PGV by the axis value, but if you've got something working, there's no reason to mess with it, now!