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jkim
Use this thread to describe a use case for the PI Web API, why you would choose it over the AFSDK or PI SQL family of Products. If you are taking the Programming in PI Web API online course in order to implement a project at your organization, we'd like to hear about your particular use case.
MBanchuzhnyy
Hi everybody,   I have 4500 pi points, and I need to get snapshot values for each using pi web api. So i decided to use batch for that.  Batch contains 4500 "/streams/{webId}/value" items. The execution time on our dev server is around 25 seconds, which I need to improve it. I though if I divide one big batch to smaller ones then I will get some… (Show more)
trosad
Hi all. I am kind of new to Web API and I wanted to see what everyone says. I have done some research and have not found a clear or definite answer to my question. What is the most efficient and widely accepted way of getting data through PI Web API in a C# application?
alouette_pelr
I want to create an event frame using piwebapi.  The documentation show how to use The CreateEventFrame controller to create a child event frame.  But how can i create a parent Event Frame ?  In this case, the webid is not applicable.   CreateEventFrame POST eventframes/{webId}/eventframesCreate an event frame as a child of the specified event… (Show more)
ivan.mudron
Attribute search in database using GetAttributesQuery GET attributes/search and compared with GetAttributes elements/{WebID}/attributes.   I got the feeling that in the second case the hidden attributes are not shown. I have queried an element multiple times and changed the "hidden" attribute. Is this expected?  
AKASH MISAL
Click to view contentHello Team!   I'm facing one issue with AF server, Please check below screenshot regarding the same.     I'm unable to open AF server, getting above mentioned error popup.   Thank you,
AKASH MISAL
Click to view contentHello Team,   As I have one calculation in PI AF, when I evaluate the expression analysis in AF its showing correct value but when I checked the value in mapped PI attribute its showing different, please check attached screenshots for reference.           Thank you,   Regards, Akash.
SayaliAkhade
I want to use angular library and angular code to import text file in pi vision .how can I implement this.
dpfahler
Dear Community, Here's my problem: I have PITags that change about every second. External quality criteria should now be calculated for individual PITags at certain time points. These are calculated with interpolated data a certain interval around these times (for example: 5 minutes before and 2 minutes after, with a sample size of 10 second,… (Show more)
dpfahler
Dear Community, This question is realted to this: How to query a lot of intervals at externally defined timestamps in a regular raster from a single tag    Here's my problem: I have PITags that change about every second. External quality criteria should now be calculated for individual PITags at certain time points. The quality criteria… (Show more)
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