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Re: Can an attribute of type Object / File be used as a datasource for a PI Vision symbol?
_BUMP_
Anyone an idea about this?
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Re: Can an attribute of type Object / File be used as a datasource for a PI Vision symbol?
gregor
May 29, 2018 1:38 PM
Hi Roger,
You may feel this is more like a workaround but I personally don't like storing something in a blob and hence would prefer to store files to disk and providing the (UNC) path via string.
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Re: Can an attribute of type Object / File be used as a datasource for a PI Vision symbol?
Well, yes and no. The key issue here is that we need the UNC's to be delivered securely, else the client reports errors as insecure content is loaded from a secure website.
And a second reason is that if the blob is in AF this needs just one access path and authorisations for the user, so that simplifies the security and architecture a lot in this case.
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Re: Can an attribute of type Object / File be used as a datasource for a PI Vision symbol?
vwolf
May 29, 2018 4:19 PM
2 of 2 people found this helpfulHello Roger,
It is indeed not possible to open files uploaded to AF Attributes with "File" Value Type on PI Vision on any standard symbols. Also, I don't believe this is possible with a custom symbol because there is no Data Shape to expose the file contents. However, it is possible to upload files on the event frames comments tab as an attachment. If you are dealing with event frames, that could be an option.
There is also a feedback related to this topic on our feedback website. Voting for it there would increase the chances of that being made possible on future versions of PI Vision.
Regards,
Victor
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Re: Can an attribute of type Object / File be used as a datasource for a PI Vision symbol?
Of course already voted for that over a year ago! I expected i could workaround that using a custom symbol, but PiV3 just does not allow to drag the attribute...
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Re: Can an attribute of type Object / File be used as a datasource for a PI Vision symbol?
gregor
May 30, 2018 8:10 AM
Hi Roger,
There appear to be 'free' solutions to host files securely. Search keywords are SFTP, FTPd and SSHd.
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Re: Can an attribute of type Object / File be used as a datasource for a PI Vision symbol?
Haha, of course. Previously i just created another virtual directory in IIS and served the documents from there. But by customer request they want to have all data where PI is the System of Record (System of record - Wikipedia ), to be stored in PI. And that we want to limit to either Data Archive, AF or SQL.
It's not a major thing to workaround, but i don't see why we have this limitation. If we have BLOB attributes why not use them across the platform?
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Re: Can an attribute of type Object / File be used as a datasource for a PI Vision symbol?
gregor
May 30, 2018 10:11 AM
1 of 1 people found this helpfulHi Roger,
The functionality is currently not available. An enhancement request exists and you've voted for it. At this point, there is not much to add except looking for alternative options and that's what I tried offering. Against my personal opinion about the usage of blobs, please be ensured that I consider your question 100% valid.
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Re: Can an attribute of type Object / File be used as a datasource for a PI Vision symbol?
For those also wanting to upvote, this is the feedback item: Open attached files directly from PI-Vision – Customer Feedback for OSIsoft & the PI System
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