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Function Calculator and Datasets

Posted By Jay Vicory 14 Years Ago
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Jay Vicory
Posted 14 Years Ago
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Is there a mechanism to bind a NFunctionCalculator to a dataset?

I'd like to attach a function calculator to a dataset that is currently being also bound to a chart.

Here is the binding for two line series to a dataset with three columns,

// First line
this->nChartControl2->DataBindingManager->AddBinding(0,0,"XValues",ds->Tables["laserdata"],"Tick");
this->nChartControl2->DataBindingManager->AddBinding(0,0,"Values",ds->Tables["laserdata"],"Gain");

// Second line
this->nChartControl2->DataBindingManager->AddBinding(0,1,"XValues",ds->Tables["laserdata"],"Tick"); this->nChartControl2->DataBindingManager->AddBinding(0,1,"Values",ds->Tables["laserdata"],"Photodiode");

I would like to add a third series for bollinger calculation that uses the NFunctionCalculator based on the "Photodiode" data from the dataset.

However, I have not been able to figure out a mechanism to create a function calculator using the data from a dataset (Photodiode column). And, how to bind the calculator results to the third bollinger type series.


Any thoughts are appreciated.

Thanks.









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