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Hiding control limits

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GlennD

2 Posts

Posted - 10 Mar 2009 : 16:26:14

I have a SPCBatchVariableControlChart chart. Is it possible to hide either the upper or lower control limits ?

quinncurtis

1164 Posts

Posted - 11 Mar 2009 : 09:47:50

Disable the control limit lines using code like:

this.PrimaryChart.GetControlLimitData(SPCChartObjects.SPC_UPPER_CONTROL_LIMIT_3).LinePlot.ChartObjEnable = ChartObj.OBJECT_DISABLE;

this.PrimaryChart.GetControlLimitData(SPCChartObjects.SPC_LOWER_CONTROL_LIMIT_3).LinePlot.ChartObjEnable = ChartObj.OBJECT_DISABLE;

Disable the control limit numeric values to the right using code like:

this.PrimaryChart.GetControlLimitData(SPCChartObjects.SPC_UPPER_CONTROL_LIMIT_3).LabelLimit = false;

this.PrimaryChart.GetControlLimitData(SPCChartObjects.SPC_LOWER_CONTROL_LIMIT_3).LabelLimit = false;

GlennD

2 Posts

Posted - 11 Mar 2009 : 13:30:12

Thanks for the response.

I was able to get the line to disappear, however the label is still visible it just move from the right side of the graph to bottom of the graph.

This code hides the control line, is there a way to remove it's affect on the alarms in the table ? What I have is data that has a lower control limt but no upper control limit. I want to totally remove the calculations (alarms) for the control limit.

Thanks

quinncurtis

1164 Posts

Posted - 11 Mar 2009 : 14:38:07

Try this:

this.PrimaryChart.EnableControlLimitItem(SPCChartObjects.SPC_UPPER_CONTROL_LIMIT_3, false);
this.SecondaryChart.EnableControlLimitItem(SPCChartObjects.SPC_UPPER_CONTROL_LIMIT_3, false);

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