PI Developer Technologies

Welcome to the PI Developer Technologies feedback page!  

This forum covers the PI AF SDK, PI Web API, PI OPC DA and HDA Servers, and the PI SQL family. We created this forum to hear your ideas, feature suggestions and feedback. Please suggest your most important features and design change ideas on this site, and vote for your favorite ideas.

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  1. AF Dependency Removal

    Can the PI Web API be configured to store its configuration information in a flat file or some other (non AF) mechanism?

    1 vote
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    0 comments  ·  PI Web API  ·  Flag idea as inappropriate…  ·  Admin →
  2. Permanently show descriptions underneath check boxes in PI SDK Utility → KST Cleanup

    In PI SDK Utility → KST Cleanup, there are 3 check boxes and 1 text box. When a check box is checked, the check box's label and description are added to the text box.

    Since there are only 3 check boxes, just eliminate the text box and have each check box description show underneath its corresponding check box. This would look a lot neater.

    1 vote
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    0 comments  ·  Other  ·  Flag idea as inappropriate…  ·  Admin →
  3. Powershell - Add the ability to get Attributes or Elements by Category

    Add the ability to retrieve Attributes and Elements by category for Powewhell command-lets.

    Example 1:

    $cat = Get-AFCategory -Name "Product A Manufacturing" -Element -AFDatabase $afDB

    get-AFElement -category $cat -AFDatabase $afDB

    Get a list of all the elements in category "Product A Manufacturing"

    Example 2:

    $cat = Get-AFCategory -Name "KPIs" -Attribute -AFDatabase $afDB

    Get-AFAttribute -category $cat

    Get a list of all attributes in category "KPIs"

    0 votes
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    0 comments  ·  Other  ·  Flag idea as inappropriate…  ·  Admin →
  4. Allow inputs to be defined for calls to stream values

    The stream endpoints should allow passing input attributes/values if the attribute's Data Reference supports it (refer to the AFDataReference.GetValues method in the AF SDK).

    For example this could look something like:

    .../stream/{WebId}/recorded?input.myInput1=myValue1&input.myInput2=myValue2

    One strong use-case for this would be an attribute configured as a Table Lookup Data Reference that returns a time series but allows a parameter to be defined.

    0 votes
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    0 comments  ·  PI Web API  ·  Flag idea as inappropriate…  ·  Admin →
  5. Recalculate an Event Frame after a manual entry through PI Vision.

    Recalculate an Event Frame after a manual entry through PI Vision.
    So after inserting data in a manual manner, I want to be able to automatically recalculate the EF. In new AF version this works for analysis but not for EF. There is a way to do program it by using PI AF SDK? I would be happy if this can be done already from PI Vision with PIweb API.

    0 votes
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    0 comments  ·  PI AF SDK  ·  Flag idea as inappropriate…  ·  Admin →
  6. CreatePIPoints, FindPIPointsByPath, and other related functions should have the same return type.

    Currently, a method like PIServer.CreatePIPoints returns AFListResults<String, PIPoint>. Very similarly, PIPoint.FindPIPointsByPath will return AFKeyedResults<String, PIPoint>. The functionality of each result is essentially the same; they even have, for most practical purposes, the same associated properties and methods and thus; they should not be different object types.

    Sharing an object type across all of these PIPoint-related functionalities would allow developers to more easily share methods for these related functions (Such as error handling methods).

    0 votes
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    0 comments  ·  PI AF SDK  ·  Flag idea as inappropriate…  ·  Admin →
  7. Be able to access the UOM database as tables

    The current method of accessing UOM data is inconsistent with the rest of PI OLEDB Enterprise. Instead of tables, we have functions such as UOMAbbreviation and UOMClassName. Imagine if we had a function for each non-ID column of information that we wanted to access (e.g. ElementName, ElementTemplateDescription). It doesn't make sense. Please make the UOM database available as tables.

    This would also make it easier to manage and clean up the UOM database. For example, an administrator might want to make sure that compound units (e.g. m/s) are named consistently with their base units (e.g. Canadians might change "meter" to…

    0 votes
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    1 comment  ·  PI OLEDB Enterprise  ·  Flag idea as inappropriate…  ·  Admin →
  8. support server side aggregation in AFSDK

    I would like to aggregate multiple tag values in a server side operation using naturally scheduled or sampled intervals in some form similar or extending FilteredSummaries.

    Most common case is finding the maximum aggregate of two or more tags.

    It's not practical to rely on Analysis for adhoc use cases.

    0 votes
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    0 comments  ·  PI AF SDK  ·  Flag idea as inappropriate…  ·  Admin →
  9. Implement GetValue().ValueAs<Insert Type Here> for all possible AF Value Types.

    Currently, the AFSKD GetValue() method supports GetValue().ValueAsInt32, .ValueAsDouble, and .ValueAsSingle. However, there are other possible AF Value Types, such as "Boolean". The AFSDK should expand the GetValue().ValueAs functionality to include all possible AF Value Types.

    0 votes
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    2 comments  ·  PI AF SDK  ·  Flag idea as inappropriate…  ·  Admin →
  10. Add searchFullHierarchy property for GetAttributeTemplates

    It should be possible to get all nested attribute templates without having to make multiple calls to the Web API.

    0 votes
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    0 comments  ·  PI Web API  ·  Flag idea as inappropriate…  ·  Admin →
  11. Align time series when requesting PlotValues with streamset

    When requesting time series data for multiple attributes using a streamset request and the PlotValues endpoint, it would be helpful if the response had the timestamps all lined up. This makes it easier to render the data, particularly if the data is being visualized in a stacked area series.

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    0 comments  ·  PI Web API  ·  Flag idea as inappropriate…  ·  Admin →

    This is something we would like to do but the nature of PlotValues makes this difficult to do if not impossible. The PlotValues endpoint returns a time series with the most visually significant values for each pixel on a display. Even though the data values are actual recorded values, the values from different data streams have nothing to do with each other. The timestamps for different streams probably won’t line up.

  12. 0 votes
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    0 comments  ·  PI OLEDB Enterprise  ·  Flag idea as inappropriate…  ·  Admin →
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