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1256 Ideas

Kubota MamiSeasoned ⭐️

【Charts】Shift Time Series: Historical Data Overlay IssueNew

At our company, we frequently need to compare specific time‑series trends with historical data. For example, we may want to compare the temperature increase after a plant startup with the trend observed during a previous startup two years earlier.Currently, the “Shift time series” function in Charts allows us to overlay the same tag with a time offset. However, to do so, we must expand the global time range to cover the entire historical span (for example, setting the range from 2023 to 2025), even when our actual analysis focus is limited to a single year such as 2025. This makes detailed analysis more difficult and reduces readability when working with a clearly defined target period. Ideally, we would like to set the display range only to the target time span, while still being able to retrieve and overlay historical data from earlier periods using a time shift.This request has also been raised multiple times in the past, including by Mr. TAKASE , and we understand that many other users similarly recognize this as an important and widely needed feature.While it is technically possible to address this requirement using a custom application, custom applications cannot be embedded into Canvas. Since our primary goal is to visualize and share these comparisons directly within Canvas, this limitation makes a custom‑app‑based solution impractical. For this reason, we strongly believe that this capability should be implemented directly within Charts.We previously found a similar request in an earlier post (linked below), but given the importance and recurring nature of this requirement across users, we would like to submit this request again.https://hub.cognite.com/product-user-community-428/charts-shift-time-series-function-limitations-on… https://hub.cognite.com/ideas/cognite-charts-ability-to-calculate-by-subtracting-two-different-time…

Erik SveinsvollCommitted ⭐️

Excel plugin for CDF with PI Datalink-like functionalityNew

We need an Excel-based solution for CDF that can serve as a practical alternative to PI Datalink, which is currently widely used across existing Aker BP assets.Today, importing data from CDF through OData is possible, but it is limited and cumbersome compared with the functionality and user experience provided by PI Datalink. My experience is that OData can be made to work in Excel, but it does not provide the same efficient workflow for engineering analysis, validation, and reporting.For users unfamiliar with PI Datalink, its main strength is that Excel cells can be directly linked to data tags. These links can return:current values archived values calculated values such as average, minimum, and maximum raw values based on a timestamp or time interval time references taken from other cells in the workbookA particularly important capability is dynamic date handling. If one cell contains the date or time reference, the user can change that single cell and automatically refresh the entire sheet — or selected calculations — for a different period. This makes it very efficient to reuse the same workbook for new dates, validation cases, or reporting periods.This functionality is highly valuable for:quality checking and validation of time series data testing calculations and assumptions transparent engineering and production reporting fast ad hoc analysis directly in Excel workflows where calculation traceability is importantRequested capabilityWe therefore need an Excel plugin or equivalent Excel integration for CDF that provides a user experience similar to PI Datalink, including:cell-based linking to time series/tags support for current, historical, raw, and aggregated values support for cell-referenced timestamps and time intervals simple refresh/recalculation when date cells are changed usability that makes the solution practical for day-to-day engineering workWithout this type of functionality, moving users from PI Datalink to CDF will be difficult for many common engineering and reporting workflows.

Gunnar AndreasSeasoned ⭐️⭐️

Several actions in the "Explore and select your data" view in Charts kicks you out and into Search, when using Data ModellingParked

When adding data in Charts via the “+Add data”→ “Add time series”→ “Explore and select your data” the behavior using classic vs data modelling is very different.  By using a CDM extended data model we see that a series of actions related to Assets push you out of the “Explore and select your data” and into full Search. We do not see the same behavior when using classic data model.Here is a non-exhaustive list of actions that kick you out of ChartsFrom an Asset, clicking on parent, an asset from the path, or children  from the “assets” reference  From a File, clicking on any Asset reference From an annotated file, clicking on the “Open” button on the popup when you click an Asset annotation From an Activity or TimeSeries, clicking on Asset references Clicking on any Asset in the “bread crumb” trail in the  “Explore and select your data”  Clicking on the back button in the “Explore and select your data”, if the last item in the “bread crumb” is an Asset What does not kick you out:Maneuvering the asset hierarchy using the “Tree view” Clicking on any non-Asset links (what I’ve seen so far) Clicking “Open” on the file link annotation from an annotated file Clicking on Files in the “bread crumb” trail in the  “Explore and select your data”  Clicking on the back button in the “Explore and select your data”, if the last item in the “bread crumb” is not an Asset Except using the “Tree view”, it seems like any Asset related action kicks you out. We do not see the same behavior using classic data model. If this is related to how we have extended our Asset, it would be good to have this documented so we can adjust our UI data model