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  • This supplies my serialChart with 8 dataPoints from my plc and works fine...

    <div ng-model="theDevice" ng-init="theDevice='unit#1_plc'" ></div>  
    
     <ma-point-query query="{$and: true, deviceName:theDevice, name:ptName}" limit="8" points="points"></ma-point-query>
     <ma-point-values points="points" values="combined" from="from" to="to" ></ma-point-values>
    

    This does not... but why not?

    <div ng-if="true" ng-model="theDevice" ng-init="theDevice='unit#1_plc'" ></div>  
    
     <ma-point-query query="{$and: true, deviceName:theDevice, name:ptName}" limit="8" points="points"></ma-point-query>
     <ma-point-values points="points" values="combined" from="from" to="to" ></ma-point-values>
    

  • I'd wager the ng-if is looking for a variable called true. Check your console for errors.
    Why do you want the ngif there in the first place?

    Fox


  • ye true is probably returning as undefined.


  • thanks guys,

    here is my reasoning:

    I was testing 2 datapoints on 2 different plc. if they were equal, then plc1 would be my source for the seriesChart, if false then plc2. the ng-if was going to help me swap out the devices . I did have a variable that tested the condition and it did evaluate to true or false but when plan didnt work i started to backup and check why.


  • Use <ma-get-point-value> for both points.
    2) in your ng if, use both points with the challenge:

    ng-if="pt1.value==pt2.value"
    

    This way you are comparing two variables to see if they are the same/both equal to one another.

    For false simply:

    ng-if="pt1.value!=pt2.value"
    

    That should you help you with where you want to go!

    Fox