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<< Click to Display Table of Contents >> Navigation: Explain™ Control Language > Library Routines > Curve classes > class FRACURVE > FraCurve.DataValue() |
Extract a single data item from a FraCurve object.
The data item is taken from the ith data point and the jth data column. If no data have been taken, the returned value is NIL.
DataValue = FraCurve.DataValue(PointNum, ColNumber)
PointNum |
INDEX |
Point number, zero-based. If PointNum is out of range, a value from the last acquired point is returned. |
NIL |
Always return a value from the last acquired point. |
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ColNumber |
INDEX |
Data column, with a range of 0 to 3. The meanings of the data in each column are given in the FraCurve.DataCol() description. |
DataValue |
REAL |
The returned value. |
NIL |
No data acquired yet. |