Question

How do I modify the x-axis labels for an xy scatter chart in a MSChart.Graph control

Asked by: MDKIMZEY

I have a VFP 9.0 SP2 form that I am developing using MSChart.Graph control.  I need an xy scatter chart - but need to use special formatting for the x-axis labels.

A typical set x-axis values are { 25, 50, 57, 100 } - but I would like to see values such as { D001:01, D003:02, D003:09, D004:04 } as my corresponding x-axis value.  

An line chart will not work because the x-values are not equally spaced.

Is there a way to pro programmatically override the values displayed on the x-axis?

Also - what is the best way to programmatically obtain the x and y values from myChart.SeriesCollection(i).Points(j)?

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Asked On
2009-06-02 at 14:50:30ID24458289
Tags

VB Controls

,

Visual FoxPro 9

Topics

VB Controls

,

FoxPro Database

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Answers

 

by: CaptainCyrilPosted on 2009-06-02 at 21:56:16ID: 24533430

ActiveChart.Axes(xlCategory).MaximumScale = 100
ActiveChart.Axes(xlCategory).MajorUnit = 20

I don't think you can change the labels on the axis. That's one reason why I write my own plotters.
You can display the data labels to show X, Y values and refrain from showing the x and y labels on the axis.

 

by: MDKIMZEYPosted on 2009-06-03 at 07:13:11ID: 24536752

One approach I have been looking at is the use of a custom format string for x-axis labels - this is a simple way to get labels such as { D025, D050, D057, D100 }

It would be great if there was a way to call a function from a format string to convert this to { D001:01, D003:02, D003:09, D004:04 }


 

by: MDKIMZEYPosted on 2009-06-09 at 06:22:26ID: 24580786

The closest solution is to use custom formatting on the chart using Format | Number.

It would be nice if there was a way to use expressions in a custom format.

20120131-EE-VQP-002

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