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 QCSPCChart SPC for Java
 JSON Chart EnableCpk flag
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21 Posts

Posted - 08 Aug 2016 :  16:05:29  Show Profile  Reply with Quote
Hi, I am working on embedding SPC chart in a web application. I don't need to show table on top of the chart so I use "UseNoTable" configuration and removed "TableSetup" block from JSON definition.
But, now when I call pushGetJSONOverallStatistics() method, I don't get CPK value as part of the response.
If I enable CPK using following syntax, it also shows on top of chart (which I don't need).
"TableSetup": {
"ChartData": {
"ProcessCapabilitySetup": {
"EnableCPK": true

My question is "Is there a way that I get CPK value but don't show it on top of chart"?


1569 Posts

Posted - 09 Aug 2016 :  09:35:17  Show Profile  Reply with Quote
The EnableCPK flag that you set, under ChartData, enables the calculation of an individual process capability value, CPK in your example. Another (EnableProcessCapabilityValues) controls the display of all process capability values as a group and it is set true by default. So you just need to turn it off. It is located under the TableSetup section. The CPK value (and any other Process Capability values you enable) will still show up in the pushGetJSONOverallStatistics statistics.

"TableSetup": {
"HeaderStringsLevel": "HEADER_STRINGS_LEVEL1",
"EnableInputStringsDisplay": true,
"EnableCategoryValues": false,
"EnableCalculatedValues": false,
"EnableTotalSamplesValues": false,
"EnableNotes": false,
"EnableTimeValues": false,
"EnableNotesToolTip": false,
"EnableAlarmStatusValues": false,
"EnableProcessCapabilityValues": false,
"TableBackgroundMode": "TABLE_NO_COLOR_BACKGROUND",
"TableAlarmEmphasisMode": "ALARM_HIGHLIGHT_BAR",
"ChartAlarmEmphasisMode": "ALARM_HIGHLIGHT_SYMBOL",
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