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    how to handle missing datapoints

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    • P
      Phillip Weeks
      last edited by Phillip Weeks

      Thanks so much Phil, I really appreciate that and this was exactly what I needed for a much better understanding on this . Yes I've been using a script point latch in running code on cron so I'll pop fit it in there. ya gotta love recursion :)
      I've got 72 points to clean up. So if I insert these points into the published data on our cloud server, is there a way for those inserts to propagate back to the ES?

      I have one more question about metapoints .. I have a source with 311 Meta points and they were all created through CSV import and excel and all imported fine... oddly some of them will not take a value and continue to state "active source point has no value" I can find no reason for how only some of these points to have no value and yet almost all the others are populating every minute from their scripts? I run a history on these points as it comes back 0 records. I have destroyed and recreated and copied a working point and just changed the context variable to the correct one. No difference and yet the context variable does have a history.

      Any ideas on what causes this situation?
      Thanks in advance.

      1 Reply Last reply Reply Quote 0
      • phildunlapP
        phildunlap
        last edited by phildunlap

        1. Values set to your cloud server will not propagate backward from receiver to publisher. You could insert the values on the ES, but you'd have to reset the history synchronization time on the publisher to prior to the period you're filling in values, then do a big history sync. If you set them on the cloud instance and the new values are in the period that still has to history sync, this wouldn't work as intended, as having more values (or unmatched values) in the receiver than the publisher for a time range will cause synchronization issues. You could do an export of the CSV from the cloud and import that at the ES, start at the ES, or decide the ES doesn't actually need that interpolation.

        2. The "active source point has no value" messages are not from your Meta points. Why do you think they are? The code appears to suggest only a Set Point event handler will generate that message.

        1 Reply Last reply Reply Quote 0
        • phildunlapP
          phildunlap
          last edited by

          Okay I understand. I didn't realize that was the same text for mouse overs on the data point icon in the data point table on the data source page. What's the JSON for one such nonfunctioning point?

          1 Reply Last reply Reply Quote 0
          • P
            Phillip Weeks
            last edited by Phillip Weeks

            I recreated the point from scratch and it started working. I do not know what the difference could have been. all other working points in this DS had the same import template curious? must be something.

            1 Reply Last reply Reply Quote 0
            • phildunlapP
              phildunlap
              last edited by phildunlap

              "must be something" if you really think so you can provide me the template's JSON and the JSON for the non-functioning meta point and I'll try to see

              1 Reply Last reply Reply Quote 0
              • P
                Phillip Weeks
                last edited by

                Great suggestion............ I compared the two jsons and every 11th point had the updates context set off ... Thanks for the great tips..

                1 Reply Last reply Reply Quote 0
                • P
                  Phillip Weeks
                  last edited by

                  Phil, I tried the code you provided and this part of the script returns the values array with 0 length {} even though I see hundreds of pointvalues on this context point between these dates. Anything obvious?

                  .var periodBegin = new Date(2017, 4, 1).getTime();
                  var periodEnd = new Date(2017, 4, 14).getTime();
                  var values = p.pointValuesBetween( periodBegin, periodEnd );

                  This is a printout of the result:

                  0
                  {
                  value: 228.5,
                  time: 1492146208215,
                  millis: 215,
                  second: 28,
                  minute: 3,
                  hour: 1,
                  day: 14,
                  dayOfWeek: 6,
                  dayOfYear: 104,
                  month: 4,
                  year: 2017,
                  last(count): PointValueTime[count],
                  lastValue: PointValueTime(228.5@2017/04/14 01:03:28.215),
                  lastValue(count): PointValueTime,
                  set(value): ,
                  set(value, timestamp): ,
                  pointValuesBetween(timestamp, timestamp): PointValueTime[],
                  pointValuesSince(timestamp): PointValueTime[],
                  pointValuesBefore(timestamp): PointValueTime[],
                  pointValuesAfter(timestamp): PointValueTime[],
                  pointValueAt(timestamp): PointValueTime,
                  ago(periodType): double,
                  ago(periodType, periods): double,
                  past(periodType): AnalogStatisticsWrapper,
                  past(periodType, periods): AnalogStatisticsWrapper,
                  prev(periodType): AnalogStatisticsWrapper,
                  prev(periodType, periods): AnalogStatisticsWrapper,
                  previous(periodType): AnalogStatisticsWrapper,
                  previous(periodType, periods): AnalogStatisticsWrapper,
                  stats(from, to): AnalogStatisticsWrapper,
                  }

                  This is the context point stats for the past 15 days:
                  Statistics (as of 2017/04/14 01:59:14) Time period: 15
                  Get statistics
                  Start: 2017/03/30 23:00
                  End: 2017/04/14 01:59
                  Minimum: 23.00 L @ Mar 30 23:00
                  Maximum: 228.50 L @ Apr 13 14:05
                  Average: 107.36 L
                  Integral: 131019642.6 L·s
                  Sum: 1470286.00 L
                  Log entries: 15264

                  1 Reply Last reply Reply Quote 0
                  • phildunlapP
                    phildunlap
                    last edited by

                    It's probably because I spaced on months being indexed to 0, so 4 is May instead of April. Day of the month is indexed to 1, though, so I guess you're looking for new Date(2017, 3, 1) and new Date(2017, 3, 14)

                    1 Reply Last reply Reply Quote 0
                    • P
                      Phillip Weeks
                      last edited by

                      OK yes that was it
                      Great I have it inserting 5000 points for one point history now Id like to get this working..
                      For(i=1;i<73;i++){....
                      eval('var values = p'+i+'.pointValuesBetween( periodBegin, periodEnd )');

                      eval('p'+i+'.set((val1.value + (val2.value - val1.value) * (newDataTime - val1.time) / (val2.time - val1.time)), newDataTime )');

                      It complains of error
                      Any ideas..

                      1 Reply Last reply Reply Quote 0
                      • phildunlapP
                        phildunlap
                        last edited by

                        Capital F in for?

                        I guess you're in the state where the script doesn't output the error message? Sometimes clearing your cache and refreshing can relieve that.

                        1 Reply Last reply Reply Quote 0
                        • P
                          Phillip Weeks
                          last edited by Phillip Weeks

                          Hi Phil .. almost done with this issue.. using var x = eval('p'+i) I can assign x = p1 thru p9 but for some reason it won't assign p10 or higher to x generates an error Any ideas why?

                          if (!INTERPOLATE_FLAG.value===true){
                          var DatapointsAdded = 0;
                          var LongestSpan = 0;
                          var minimumDataInterval = 60000; //60 seconds
                          var periodBegin = new Date(2017, 2, 1).getTime(); //You probably wish to set these ranges
                          var periodEnd = new Date(2017, 3, 14).getTime();

                          INTERPOLATE_FLAG.set(false,periodEnd);
                          

                          for (var i = 1; i<9; i++){
                          var x = eval('p'+i);
                          print(x);
                          var values = x.pointValuesSince(periodBegin);
                          for(var k = 0; k < values.length-1; k+=1) {
                          var CurrentSpan =0;
                          var val1 = values[k];
                          var val2 = values[k+1];
                          if( val2.time - val1.time > minimumDataInterval ) {
                          var newDataTime = val1.time + minimumDataInterval;
                          while( newDataTime < val2.time ) {
                          x.set((val1.value + (val2.value - val1.value) * (newDataTime - val1.time) / (val2.time - val1.time)), newDataTime );
                          DatapointsAdded += 1;
                          CurrentSpan += 1;
                          if (CurrentSpan > LongestSpan){
                          LongestSpan = CurrentSpan;
                          }
                          }
                          }
                          }
                          }

                          Datapoints_Added.set(DatapointsAdded,periodEnd);
                          Longest_Span.set(LongestSpan,periodEnd);
                          

                          }
                          RESULTS:

                          Setting point START INTERPOLATION to false @14/04/2017 00:00:00
                          {
                          value: 228.5,
                          time: 1492189828215,
                          millis: 215,
                          second: 28,
                          minute: 10,
                          hour: 13,
                          day: 14,
                          dayOfWeek: 6,
                          dayOfYear: 104,
                          month: 4,
                          year: 2017,
                          last(count): PointValueTime[count],
                          lastValue: PointValueTime(228.5@2017/04/14 13:10:28.215),
                          lastValue(count): PointValueTime,
                          set(value): ,
                          set(value, timestamp): ,
                          pointValuesBetween(timestamp, timestamp): PointValueTime[],
                          pointValuesSince(timestamp): PointValueTime[],
                          pointValuesBefore(timestamp): PointValueTime[],
                          pointValuesAfter(timestamp): PointValueTime[],
                          pointValueAt(timestamp): PointValueTime,
                          ago(periodType): double,
                          ago(periodType, periods): double,
                          past(periodType): AnalogStatisticsWrapper,
                          past(periodType, periods): AnalogStatisticsWrapper,
                          prev(periodType): AnalogStatisticsWrapper,
                          prev(periodType, periods): AnalogStatisticsWrapper,
                          previous(periodType): AnalogStatisticsWrapper,
                          previous(periodType, periods): AnalogStatisticsWrapper,
                          stats(from, to): AnalogStatisticsWrapper,
                          }

                          {
                          value: 48.0,
                          time: 1492189828215,
                          millis: 215,
                          second: 28,
                          minute: 10,
                          hour: 13,
                          day: 14,
                          dayOfWeek: 6,
                          dayOfYear: 104,
                          month: 4,
                          year: 2017,
                          last(count): PointValueTime[count],
                          lastValue: PointValueTime(48.0@2017/04/14 13:10:28.215),
                          lastValue(count): PointValueTime,
                          set(value): ,
                          set(value, timestamp): ,
                          pointValuesBetween(timestamp, timestamp): PointValueTime[],
                          pointValuesSince(timestamp): PointValueTime[],
                          pointValuesBefore(timestamp): PointValueTime[],
                          pointValuesAfter(timestamp): PointValueTime[],
                          pointValueAt(timestamp): PointValueTime,
                          ago(periodType): double,
                          ago(periodType, periods): double,
                          past(periodType): AnalogStatisticsWrapper,
                          past(periodType, periods): AnalogStatisticsWrapper,
                          prev(periodType): AnalogStatisticsWrapper,
                          prev(periodType, periods): AnalogStatisticsWrapper,
                          previous(periodType): AnalogStatisticsWrapper,
                          previous(periodType, periods): AnalogStatisticsWrapper,
                          stats(from, to): AnalogStatisticsWrapper,
                          }

                          {
                          value: 1401.0,
                          time: 1492189828215,
                          millis: 215,
                          second: 28,
                          minute: 10,
                          hour: 13,
                          day: 14,
                          dayOfWeek: 6,
                          dayOfYear: 104,
                          month: 4,
                          year: 2017,
                          last(count): PointValueTime[count],
                          lastValue: PointValueTime(1401.0@2017/04/14 13:10:28.215),
                          lastValue(count): PointValueTime,
                          set(value): ,
                          set(value, timestamp): ,
                          pointValuesBetween(timestamp, timestamp): PointValueTime[],
                          pointValuesSince(timestamp): PointValueTime[],
                          pointValuesBefore(timestamp): PointValueTime[],
                          pointValuesAfter(timestamp): PointValueTime[],
                          pointValueAt(timestamp): PointValueTime,
                          ago(periodType): double,
                          ago(periodType, periods): double,
                          past(periodType): AnalogStatisticsWrapper,
                          past(periodType, periods): AnalogStatisticsWrapper,
                          prev(periodType): AnalogStatisticsWrapper,
                          prev(periodType, periods): AnalogStatisticsWrapper,
                          previous(periodType): AnalogStatisticsWrapper,
                          previous(periodType, periods): AnalogStatisticsWrapper,
                          stats(from, to): AnalogStatisticsWrapper,
                          }

                          {
                          value: 821.5,
                          time: 1492189828215,
                          millis: 215,
                          second: 28,
                          minute: 10,
                          hour: 13,
                          day: 14,
                          dayOfWeek: 6,
                          dayOfYear: 104,
                          month: 4,
                          year: 2017,
                          last(count): PointValueTime[count],
                          lastValue: PointValueTime(821.5@2017/04/14 13:10:28.215),
                          lastValue(count): PointValueTime,
                          set(value): ,
                          set(value, timestamp): ,
                          pointValuesBetween(timestamp, timestamp): PointValueTime[],
                          pointValuesSince(timestamp): PointValueTime[],
                          pointValuesBefore(timestamp): PointValueTime[],
                          pointValuesAfter(timestamp): PointValueTime[],
                          pointValueAt(timestamp): PointValueTime,
                          ago(periodType): double,
                          ago(periodType, periods): double,
                          past(periodType): AnalogStatisticsWrapper,
                          past(periodType, periods): AnalogStatisticsWrapper,
                          prev(periodType): AnalogStatisticsWrapper,
                          prev(periodType, periods): AnalogStatisticsWrapper,
                          previous(periodType): AnalogStatisticsWrapper,
                          previous(periodType, periods): AnalogStatisticsWrapper,
                          stats(from, to): AnalogStatisticsWrapper,
                          }

                          {
                          value: 836.5,
                          time: 1492189828215,
                          millis: 215,
                          second: 28,
                          minute: 10,
                          hour: 13,
                          day: 14,
                          dayOfWeek: 6,
                          dayOfYear: 104,
                          month: 4,
                          year: 2017,
                          last(count): PointValueTime[count],
                          lastValue: PointValueTime(836.5@2017/04/14 13:10:28.215),
                          lastValue(count): PointValueTime,
                          set(value): ,
                          set(value, timestamp): ,
                          pointValuesBetween(timestamp, timestamp): PointValueTime[],
                          pointValuesSince(timestamp): PointValueTime[],
                          pointValuesBefore(timestamp): PointValueTime[],
                          pointValuesAfter(timestamp): PointValueTime[],
                          pointValueAt(timestamp): PointValueTime,
                          ago(periodType): double,
                          ago(periodType, periods): double,
                          past(periodType): AnalogStatisticsWrapper,
                          past(periodType, periods): AnalogStatisticsWrapper,
                          prev(periodType): AnalogStatisticsWrapper,
                          prev(periodType, periods): AnalogStatisticsWrapper,
                          previous(periodType): AnalogStatisticsWrapper,
                          previous(periodType, periods): AnalogStatisticsWrapper,
                          stats(from, to): AnalogStatisticsWrapper,
                          }

                          {
                          value: 250.5,
                          time: 1492189828215,
                          millis: 215,
                          second: 28,
                          minute: 10,
                          hour: 13,
                          day: 14,
                          dayOfWeek: 6,
                          dayOfYear: 104,
                          month: 4,
                          year: 2017,
                          last(count): PointValueTime[count],
                          lastValue: PointValueTime(250.5@2017/04/14 13:10:28.215),
                          lastValue(count): PointValueTime,
                          set(value): ,
                          set(value, timestamp): ,
                          pointValuesBetween(timestamp, timestamp): PointValueTime[],
                          pointValuesSince(timestamp): PointValueTime[],
                          pointValuesBefore(timestamp): PointValueTime[],
                          pointValuesAfter(timestamp): PointValueTime[],
                          pointValueAt(timestamp): PointValueTime,
                          ago(periodType): double,
                          ago(periodType, periods): double,
                          past(periodType): AnalogStatisticsWrapper,
                          past(periodType, periods): AnalogStatisticsWrapper,
                          prev(periodType): AnalogStatisticsWrapper,
                          prev(periodType, periods): AnalogStatisticsWrapper,
                          previous(periodType): AnalogStatisticsWrapper,
                          previous(periodType, periods): AnalogStatisticsWrapper,
                          stats(from, to): AnalogStatisticsWrapper,
                          }

                          {
                          value: 1005.5,
                          time: 1492189828215,
                          millis: 215,
                          second: 28,
                          minute: 10,
                          hour: 13,
                          day: 14,
                          dayOfWeek: 6,
                          dayOfYear: 104,
                          month: 4,
                          year: 2017,
                          last(count): PointValueTime[count],
                          lastValue: PointValueTime(1005.5@2017/04/14 13:10:28.215),
                          lastValue(count): PointValueTime,
                          set(value): ,
                          set(value, timestamp): ,
                          pointValuesBetween(timestamp, timestamp): PointValueTime[],
                          pointValuesSince(timestamp): PointValueTime[],
                          pointValuesBefore(timestamp): PointValueTime[],
                          pointValuesAfter(timestamp): PointValueTime[],
                          pointValueAt(timestamp): PointValueTime,
                          ago(periodType): double,
                          ago(periodType, periods): double,
                          past(periodType): AnalogStatisticsWrapper,
                          past(periodType, periods): AnalogStatisticsWrapper,
                          prev(periodType): AnalogStatisticsWrapper,
                          prev(periodType, periods): AnalogStatisticsWrapper,
                          previous(periodType): AnalogStatisticsWrapper,
                          previous(periodType, periods): AnalogStatisticsWrapper,
                          stats(from, to): AnalogStatisticsWrapper,
                          }

                          {
                          value: 0.0,
                          time: 1492189828215,
                          millis: 215,
                          second: 28,
                          minute: 10,
                          hour: 13,
                          day: 14,
                          dayOfWeek: 6,
                          dayOfYear: 104,
                          month: 4,
                          year: 2017,
                          last(count): PointValueTime[count],
                          lastValue: PointValueTime(0.0@2017/04/14 13:10:28.215),
                          lastValue(count): PointValueTime,
                          set(value): ,
                          set(value, timestamp): ,
                          pointValuesBetween(timestamp, timestamp): PointValueTime[],
                          pointValuesSince(timestamp): PointValueTime[],
                          pointValuesBefore(timestamp): PointValueTime[],
                          pointValuesAfter(timestamp): PointValueTime[],
                          pointValueAt(timestamp): PointValueTime,
                          ago(periodType): double,
                          ago(periodType, periods): double,
                          past(periodType): AnalogStatisticsWrapper,
                          past(periodType, periods): AnalogStatisticsWrapper,
                          prev(periodType): AnalogStatisticsWrapper,
                          prev(periodType, periods): AnalogStatisticsWrapper,
                          previous(periodType): AnalogStatisticsWrapper,
                          previous(periodType, periods): AnalogStatisticsWrapper,
                          stats(from, to): AnalogStatisticsWrapper,
                          }

                          Setting point NEW_DATAPOINTS_ADDED to 40841.0 @14/04/2017 00:00:00
                          Setting point Longest Datapoint Gap to 2232.0 @14/04/2017 00:00:00

                          1 Reply Last reply Reply Quote 0
                          • phildunlapP
                            phildunlap
                            last edited by

                            Somewhere between anonymous functions and an eval() function there is plenty of room to make JavaScript confusing. I would avoid the eval function, personally, as its cleverness is often not worth its extra complexity or risk. But, that's up to you.

                            The likelihood is, if it has the problem on #10, that p10 is not a valid variable name or p10 is disabled.

                            1 Reply Last reply Reply Quote 0
                            • phildunlapP
                              phildunlap
                              last edited by

                              Hi Phillip,

                              I just put Scripting version 1.2.1 into the store. It has a fix for the reason the error messages may not be printing beneath the script box. Could be helpful!

                              1 Reply Last reply Reply Quote 0
                              • P
                                Phillip Weeks
                                last edited by

                                Thanks Phil I'll try it out.

                                1 Reply Last reply Reply Quote 0
                                • phildunlapP
                                  phildunlap
                                  last edited by

                                  Hi Phillip,

                                  It looks like I made some mistakes when writing the interpolate script. From testing, here's an updated version of the base functionality...

                                  function interpolate(valueTime1, valueTime2, time) {
                                    //You can implement this other ways, but this is simple linear I believe
                                    return parseFloat(valueTime1.value) + ((valueTime2.value - valueTime1.value) * (time - valueTime1.time)) / (valueTime2.time - valueTime1.time);
                                  }
                                  
                                  var minimumDataInterval = 5000; //5 seconds
                                  var periodBegin = new Date(2017, 3, 12).getTime(); //You probably wish to set these ranges
                                  var periodEnd = new Date(2017, 3, 13).getTime();
                                  var values = p.pointValuesBetween( periodBegin, periodEnd );
                                  for(var k = 0; k < values.length-1; k+=1) {
                                    var val1 = values[k];
                                    var val2 = values[k+1];
                                    if( val2.time - val1.time > minimumDataInterval ) {
                                      var newDataTime = val1.time + minimumDataInterval;
                                      while( newDataTime < val2.time ) {
                                        p.set( interpolate(val1, val2, newDataTime), newDataTime );
                                        newDataTime += minimumDataInterval;
                                    }
                                  }
                                  }
                                  

                                  Here's the setup from my test:

                                  {
                                     "dataSources":[
                                        {
                                           "xid":"DS_3b6b1d05-2aad-456f-895b-fe891ebc10a7",
                                           "name":"Scripting-BaseData",
                                           "enabled":false,
                                           "type":"SCRIPTING",
                                           "alarmLevels":{
                                              "SCRIPT_ERROR":"URGENT",
                                              "DATA_TYPE_ERROR":"URGENT",
                                              "POLL_ABORTED":"URGENT",
                                              "LOG_ERROR":"URGENT"
                                           },
                                           "purgeType":"YEARS",
                                           "context":[
                                              {
                                                 "varName":"p1",
                                                 "dataPointXid":"DP_ae686073-a60f-481e-9d25-3ddc3e78ef88"
                                              }
                                           ],
                                           "logLevel":"NONE",
                                           "cronPattern":"0\/1 * * * * ?",
                                           "executionDelaySeconds":0,
                                           "historicalSetting":false,
                                           "script":"if(!p1.value) {\n    p1.set(0, 0);\n    p1.set(1000, 1000);\n}",
                                           "scriptPermissions":{
                                              "customPermissions":"",
                                              "dataPointReadPermissions":"superadmin",
                                              "dataPointSetPermissions":"superadmin",
                                              "dataSourcePermissions":"superadmin"
                                           },
                                           "editPermission":"",
                                           "purgeOverride":false,
                                           "purgePeriod":1
                                        },
                                        {
                                           "xid":"DS_af7afc6b-50b5-4c33-84e0-f9297514df28",
                                           "name":"Scripting-Interpolate",
                                           "enabled":false,
                                           "type":"SCRIPTING",
                                           "alarmLevels":{
                                              "SCRIPT_ERROR":"URGENT",
                                              "DATA_TYPE_ERROR":"URGENT",
                                              "POLL_ABORTED":"URGENT",
                                              "LOG_ERROR":"URGENT"
                                           },
                                           "purgeType":"YEARS",
                                           "context":[
                                              {
                                                 "varName":"p",
                                                 "dataPointXid":"DP_ae686073-a60f-481e-9d25-3ddc3e78ef88"
                                              }
                                           ],
                                           "logLevel":"NONE",
                                           "cronPattern":"0\/1 * * * * ?",
                                           "executionDelaySeconds":0,
                                           "historicalSetting":true,
                                           "script":"function interpolate(valueTime1, valueTime2, time) {\n  \/\/You can implement this other ways, but this is simple linear I believe\n  return parseFloat(valueTime1.value) + ((valueTime2.value - valueTime1.value) * (time - valueTime1.time)) \/ (valueTime2.time - valueTime1.time);\n}\nif(p.last(100).length < 5) {\nvar minimumDataInterval = 2; \/\/5 seconds\nvar periodBegin = 0; \/\/You probably wish to set these ranges\nvar periodEnd = 1001;\nvar values = p.pointValuesBetween( periodBegin, periodEnd );\nfor(var k = 0; k < values.length-1; k+=1) {\n  var val1 = values[k];\n  var val2 = values[k+1];\n  if( val2.time - val1.time > minimumDataInterval ) {\n    var newDataTime = val1.time + minimumDataInterval;\n    while( newDataTime < val2.time ) {\n      p.set( interpolate(val1, val2, newDataTime), newDataTime );\n      newDataTime += minimumDataInterval;\n  }\n}\n}}",
                                           "scriptPermissions":{
                                              "customPermissions":"",
                                              "dataPointReadPermissions":"superadmin",
                                              "dataPointSetPermissions":"superadmin",
                                              "dataSourcePermissions":"superadmin"
                                           },
                                           "editPermission":"",
                                           "purgeOverride":false,
                                           "purgePeriod":1
                                        },
                                        {
                                           "xid":"DS_d68e5a18-5457-4fe3-a76b-3fc4c1c7120b",
                                           "name":"vrtds",
                                           "enabled":true,
                                           "type":"VIRTUAL",
                                           "alarmLevels":{
                                              "POLL_ABORTED":"URGENT"
                                           },
                                           "purgeType":"YEARS",
                                           "updatePeriodType":"MINUTES",
                                           "polling":false,
                                           "updatePeriods":5,
                                           "editPermission":"",
                                           "purgeOverride":false,
                                           "purgePeriod":1
                                        }
                                     ],
                                     "dataPoints":[
                                        {
                                           "xid":"DP_ae686073-a60f-481e-9d25-3ddc3e78ef88",
                                           "name":"test",
                                           "enabled":true,
                                           "loggingType":"ALL",
                                           "intervalLoggingPeriodType":"MINUTES",
                                           "intervalLoggingType":"AVERAGE",
                                           "purgeType":"YEARS",
                                           "pointLocator":{
                                              "dataType":"NUMERIC",
                                              "changeType":{
                                                 "type":"NO_CHANGE",
                                                 "startValue":"0"
                                              },
                                              "settable":true
                                           },
                                           "eventDetectors":[
                                           ],
                                           "plotType":"SPLINE",
                                           "rollup":"NONE",
                                           "unit":"",
                                           "chartColour":"",
                                           "chartRenderer":{
                                              "type":"IMAGE",
                                              "timePeriodType":"DAYS",
                                              "numberOfPeriods":1
                                           },
                                           "dataSourceXid":"DS_d68e5a18-5457-4fe3-a76b-3fc4c1c7120b",
                                           "defaultCacheSize":1,
                                           "deviceName":"vrtds",
                                           "discardExtremeValues":false,
                                           "discardHighLimit":1.7976931348623157E308,
                                           "discardLowLimit":-1.7976931348623157E308,
                                           "intervalLoggingPeriod":1,
                                           "intervalLoggingSampleWindowSize":0,
                                           "overrideIntervalLoggingSamples":false,
                                           "preventSetExtremeValues":false,
                                           "purgeOverride":false,
                                           "purgePeriod":1,
                                           "readPermission":"",
                                           "setExtremeHighLimit":1.7976931348623157E308,
                                           "setExtremeLowLimit":-1.7976931348623157E308,
                                           "setPermission":"",
                                           "textRenderer":{
                                              "type":"ANALOG",
                                              "useUnitAsSuffix":true,
                                              "unit":"",
                                              "renderedUnit":"",
                                              "format":"0.00"
                                           },
                                           "tolerance":0.0
                                        }
                                     ]
                                  }
                                  
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                                    Phillip Weeks
                                    last edited by

                                    Thanks again Phil. That helped :)

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