CPlotView:GetPtErrY
The GetPtErrY method returns the y errorbar value of a point in the class data matrix.
yErr = CPlotView:GetPtErrY( n ) |
n is the index of the point in the plot data.
yErr is the value of the y errorbar.
On success, this method returns the y errorbar value.
On failure, this method returns 0.
This method returns the y errorbar value of the specified point at index n. If n is out of range, the value 0 is returned. To remove ambiguity about whether the point truly has a y-errorbar value of 0 or is out of bounds, check the index before calling this method.
The following script adds some points, then finds the nearest point and prints its y errorbar value:
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-- create a new CPlotView |
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-- add a point |
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-- add a point |
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-- get index of point nearest 4,72 |
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-- result: n = 1, yerr = 12.4 |
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