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David Brown

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  • Meta plugin Linux: All operator<< acting on a stream fail when writing a number

    Answered

    Hi. There's something wrong with a meta plugin built in Linux ubuntu 18, and any attempts to write numbers to a stream. I've called functions within the plugin, and the write works fine; it's broke...

  • Soft triggers from plugin

    Answered

    We would like to add a button on the display that allows performing a plugin action, to open a web page. I can see that the API has executeAnalyticsAction, and that the rules engine can do a HTTP P...

  • Missing attributes in object list

    Answered

    Every metadata object has two attributes non-conditionally assigned; sometimes no attributes appear under the object in the object list. Is this expected behaviour? The attributes are seen on the l...

  • Bad preview image in objects list

    Answered

    The following relates to a face tracking and recognition plugin. The bounding box is in the wrong place in the object list, and shows an image of the background. It looks as if the box location ...

  • Redundant Engine Settings

    Answered

    Over the course of editing the engine settings model, a number of engine settings entries were created under System Administration>Plugins. Is there a way to remove multiple engine settings for a p...

  • Changing object types or titles during continuous track

    Answered

    When added object metadata to a track, is it acceptable to add different objects to the same track? E.g. if you're tracking an unknown object, which is later recognised. Changing the object type do...

  • Updating metadata, events missing, object type display

    Answered

    Hi. I'm attempting to integrate a face detection and recognition engine into an Nx Witness plugin. These are remote services. The detection occurs first, and the recognition later. Nx Witness clien...