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mterveen said 1 year ago:
in the active x version of the 3d chart control there is a method called dragZvalue that computes the z value as the mouse is moved across the chart.
how do you achieve that in the net winforms version for the 3d chart?
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Hello,
If you need to find the Z values of the data points plotted on the Chart, you may use the CoordToDataCoord method of C1Chart.
For more information on same, kindly refer to the following link :
Let me know if I misunderstood the query.
Regards
Ashish| # -
i want to be able to click on a point (z value) on my 3d surface chart and "drag" it up or down to increase/decrease the value. for example, if the z value for the point at row 2 / col 3 is 15, i want to be able to click on that point and drag it so the z value goes to 20 for example.
the old active x chart used the dragZvalue to accomplish this. So how do you do it with the net version?
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Ashish – you still out there? any response?
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Hello,
You could use GetValue & SetValue methods of Chart3DDataSet for getting & setting the Zvalues at particular row & column indices on the chart.
Please refer to the attached sample for the implementation of the same.Regards,
AshishAnswer| #do you understand what i am saying!!!!???
look at the active x dragZvalue function so you understand what i am talking about before you respond with information already in the help file.
the coordtodatacoord only returns an EXISTING point. it does not interpolate a z value.
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