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controlling colors in a pie chart

Posted on 2001-07-28
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Last Modified: 2008-07-03
I want to create a pie chart that uses green to represent "low" values, yellow for "mod", and red for "high". Is there a way to do this?  A bar chart will do also.

Thanks,
jptu
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Question by:jptu
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Expert Comment

by:MacRena
ID: 6331152
Hello jptu,

First of all, I have never seen pie or bar charts native to Access.
I am not saying it can't be done, but I would export my data to Excel and use the charting that is native to that app.

But if I HAD to do it in Access, I can't think of a way to make a Pie, but if I were going to create a bar chart, I would design a Report with a Frame fraBackDrop (for background contrast)
with a Width = 6"
with a BackColor = Grey

Then put 3 textboxes on it.
txtFirst, txtSecond, and txtThird and place them on the Frame in the configuration that you would like them to appear on the Report.

Then in the Report's Open code I would test the value that you want each textbox to represent, and change their Width and BackColor properties accordingly.

This was a cool one to think through!  Thanks,
Mac
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Expert Comment

by:hotbudare
ID: 6331503
I can't do nothing but give u a starting point. Assumig u r using A2K and that u name your pie chart PieChart, u could add code like the following in the Updated event of PieChart, after adding a reference to "Microsoft Graph 9.0 Object Library":

Dim g As Graph.Chart
Set g = Me.PieChart.Object
Stop

From this point on you'll have to experiment. I did try to and had to quit, but I'm sure this is the right track ...

Also, maybe asking in the Microsoft Office Topic Area(http://www.experts-exchange.com/jsp/qList.jsp?ta=msoffice) might help too ...

HTH/EQTA
T.S.U. Mario Osorio
Punto Fijo, Falcon, Venezuela

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Accepted Solution

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TheNextStep earned 5 total points
ID: 6334687
In the record source for the graph, sort the values in ascending order to arrange them from lowest to highest.

Next, double click on the graph in design view to open Microsoft Graph 8.0 screen.  A pie chart will appear with a datasheet window.  You can change the colors of the pies by right clicking, and selecting format data point.  If there are not enough pies in the pie chart, add rows to the datasheet.

Your data will appear in the chart lowest to highest with the lowest value at 12 o'clock and the highest value at 11 o'clock.
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Author Comment

by:jptu
ID: 6338936
TheNextStep- thank you!  It works beautifully.

-jptu
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