Replies posted by Eric Stein-Beldring

80 Replies

crgomez13
Committed
crgomez13Accenture
asked in Developer and User Community

Cognite Charts: Cumulative Sum Calculations

Hi @stanleychiu,Since we currently do not fetch data beyond the range currently in view in the chart plot, this has some implications to how the Sliding window integration function, as well as others (e.g. Shift time series) perform and can be used. Namely, there will be a gap at the start the of the range equal to that of the window length. So, when you’ve set 365 days as the window length and are only viewing 1 year of data, there are not enough data points for the calculation to use since we are not (in the background) fetching the time series data points for previous points in time (i.e. To the left of the data currently in the plot). If you'd like to calculate for a larger range, you can simply zoom out or change the date/time window in view. Although note that the limit of 100k data points, as mentioned above, still applies – and is very important, since you’re performing an integration function.Adding the functionality to run calculations on a user-defined range of time, includi

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Eric Stein-Beldring
Seasoned Practitioner
1 year ago
R
Seasoned
rsiddhaSeasoned
asked in Developer and User Community

Calculating Percentage good value

@stanleychiu the same approach should still work, except instead inputing the same value (1 in my example above) in the Lower limit and Upper limit parameters of the Threshold function, you’ll simply input the range that represents the “good” values. Therefore, whenever the sensor is within the bounds of the range you specify (i.e. Is of a “good” value), the calculation will output a value of  1, and 0 otherwise. From here, the rest of the calculation will work. Although, again, this is assuming your pressure time series is uniformly sampled (no gaps, no variation in sampling frequency). When it comes to scaling this to more than 50 time series, this isn’t something that can be entirely done via the UI today and will require the assistance of a data scientist to solve. This can be done by leveraging our Python SDK, Cognite Functions, and InDSL to recreate the calculation – plus the flexibility of working directly in python will allow one to make the calculation more robust (e.g. Differ

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Eric Stein-Beldring
Seasoned Practitioner
1 year ago
R
Seasoned
rsiddhaSeasoned
asked in Developer and User Community

Calculating Percentage good value

Hi @rsiddha and @stanleychiu,I believe I have a calculation workflow that will work for this use case:In the case above, I’m using a uniformly sampled time series (always 1 data point per hour) that produces binary results (1 = on or “good”; 0 = off or “bad”). By setting the range in view to 1 year exactly, I can be confident that there are exactly 8760 data points. If this isn’t the case for your time series data, then you will need to add some additional steps your calculation (e.g. a Resample to granularity function).The final result of this calculation tells me that, for the past year, 98.9% of the values were “good” (or = 1) for this time series from Feb. 14, 2021 - Feb. 14, 2022. Important note: If you’re looking at a time series or time range that requires > 100k data points, this will not work since the application will automatically downsample the time series input and fetch aggregates rather than individual data points (for the time being). If this is the case, one workaro

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Eric Stein-Beldring
Seasoned Practitioner
1 year ago
S
Committed
simenriCommitted
asked in Developer and User Community

Charts: Possible bug in "constant value"

Update: I investigated with @simenri further and we discovered that there is in fact a bug where the Constant value function is triggering the downsampling warning even when it's producing well below 100k points. As a workaround until this bug is fixed, it is best to use either the Line function (with a slope = 0 and an intercept = to your constant of choice) and/or the Constant node in your calculations.

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Eric Stein-Beldring
Seasoned Practitioner
1 year ago
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Committed
simenriCommitted
asked in Developer and User Community

Charts: Possible bug in "constant value"

Hi Simen, The Warning you receive when using the Constant value function (Function → Signal generator → Constant value), rather than the Constant node, is because it’s being treated like any other function and calculation output – meaning, it’s subject to the 100k data point limit. Therefore, when your time period in view is large enough and/or the granularity you select is low enough, the calculation result will automatically be downsampled.However, since the value of the constant is always the same value – in most cases – you should be able to ignore that warning. It’s actually best to choose a lower granularity and rely on the automatic data alignment built into the product to resample the data to the relevant granularity based on the other calculations you’ll be performing. So long as you have at least two data points at the start and end of the range in view on the plot, everything in between will be resampled to your constant value of choice. Note: Due to the nature of how our au

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Eric Stein-Beldring
Seasoned Practitioner
1 year ago
Eric Stein-Beldring
Seasoned Practitioner
Eric Stein-Beldring
published in Developer and User Community

Charts: I have a feature request. What do I do?

@ibrahim.alsyed @Brendan Buckbee, an update on the vessel volume calculations – @Everton Colling has used his pre-holiday time to wrap up the pull request for these calculations:Our colleagues will be able to review the code after the break and then it should be a part of our first InDSL update in 2023. Until then, have a happy holidays!

48035
Anita Hæhre
Seasoned Practitioner
11 months ago
Eric Stein-Beldring
Seasoned Practitioner
Eric Stein-Beldring
published in Developer and User Community

Charts: I have a feature request. What do I do?

@ibrahim.alsyed there has been an ongoing discussion among members of our data science team, but unfortunately the function is not yet ready for review or use. We’ll be sure to keep you all up-to-date once we have made further progress and the function is ready for use in Cognite Data Fusion. 

48035
Anita Hæhre
Seasoned Practitioner
11 months ago
Marcela Young
Seasoned
Marcela YoungAccenture

Charts - Changing Operator w/o having to Add another NodeGathering Interest

Hi @Marcela Young and thank you for reaching out about this. I agree that we can make it quicker and easier to add functions to that no-code canvas (and build calculations, in general), and this will be a focus area going forward.For now, I often use the search field, which is automatically selected when opening the “Function” category, to more quickly filter for my function of choice. Granted, this requires you to know the name of the function in advance, but once you do, this is likely the most efficient in terms of time and # of clicks to add it to the no-code canvas. Regardless, as I wrote above, there’s certainly room for improvement. I’ll be sure to discuss this feedback with the team.

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Anita Hæhre
Seasoned Practitioner
1 year ago
R
Seasoned
RobersoSNSeasoned

Support aggregation of many time-series in CDFGathering Interest

@Ola Øyan sorry, your comment slipped past me. Thank you for the added input – I agree that being able to specify time series granularity like this would certainly be valuable. We’ve recently been discussing ideas in the team about how we would provide the option to provide this granularity preference for time series and calculations (I know you and I have talked about the latter as well).

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Eric Stein-Beldring
Seasoned Practitioner
1 year ago
Eric Stein-Beldring
Seasoned Practitioner
Eric Stein-Beldring
posted in Developer and User Community

Latest release of Cognite Data Fusion: Charts Updates

@Eric Stein-Beldring are you looking into Infield UI for better WO/NO views as events or are you looking at a more generic visual. Absolutely, I was just speaking about this with @Magdalena Rut. Since this is a general Cognite Data Fusion improvement in the way we treat these particular types of events, this will be collaborative focus area for multiple teams. Once there is a decision about how to improve it across our UIs, then then it will be reflected in the charts interface as well.

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Eric Stein-Beldring
Seasoned Practitioner
1 year ago
I
Seasoned
ibrahim.alsyedSeasoned

Cognite Data Fusion: ChartsImplemented

As of today’s Cognite Data Fusion release, it is now possible to view events and time series data simultaneously in a plot. Looking forward to hearing your feedback about this first iteration of this functionality in Cognite Data Fusion! 

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Anita Hæhre
Seasoned Practitioner
1 year ago
Anders Brakestad
Seasoned
Anders BrakestadSeasoned

Cognite Charts: Apply function to multiple TSsGathering Interest

Have you seen the “Duplicate” functionality that is available today? This will at least make it a few clicks faster to duplicate the same setup for another calculation (of course, you still need to change the name, color, and unit label accordingly).But we certainly can improve upon this and make it more efficient to do the same operation across time series in as few clicks as possible. In addition to smoothing, what sorts of operations are you most interested in performing in bulk?

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Anita Hæhre
Seasoned Practitioner
1 year ago
Anders Brakestad
Seasoned
Anders BrakestadSeasoned

Cognite Charts: A way to explicitly set the TS granularityGathering Interest

@Anders Brakestad are you referring to having control over the granularity for time series, calculations, or both?For time series, this would obviously be only for visualization purposes whereas calculations could be for both visualization purposes and/or for specifying the granularity of the calculation workflow, itself (something we are aware of as a high-value request to make calculation aggregation more predictable and trustworthy).And what sorts of granularity parameters (seconds, minutes, hours, days, etc.) are you most interested in or expect to use most frequently?

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K
Seasoned Practitioner
1 year ago
Anders Brakestad
Seasoned
Anders BrakestadSeasoned

Cognite Charts: Export a calculation as Python codeGathering Interest

Once again, another feature request that we have heard and intend to offer. Our goal is to make it as seamless as possible to go from UI ↔ (python) code. When it comes to the “executable python code” that would be exported, could you share more about how you would intend to use that? I assume you would want to have python code that can be run independent of the calculations backend that powers the calculations in Charts?@Neringa Altanaite @Henrik Eiding @Cristina Ferrer Teixidor @Dag Brattli FYI

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Anita Hæhre
Seasoned Practitioner
1 year ago
Anders Brakestad
Seasoned
Anders BrakestadSeasoned

Cognite Charts: Highlight a TS when hovering over its y axisPlanned for development

This is something we’ve discussed in the team repeatedly. We know this is also a useful feature found in other charting tools and software. Absolutely a small, but valuable improvement we intend to make.

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Anita Hæhre
Seasoned Practitioner
1 year ago
Anders Brakestad
Seasoned
Anders BrakestadSeasoned

Cognite Charts: Possibility of grouping together nodes in a calculation with colored boxesGathering Interest

Another great suggestion and one that we’ve also discussed. We’ve also discussed being able to “minimize” a grouping of nodes, to make it easier to visualize large calculation workflows.This is also closely related to your other request regarding being able to share notes or documentation. One simple feature suggestion we’ve discussed is being able to have an empty “node,” which is a free text block where you can add details, explanations, and context for what a calculation is doing, why you’ve set particular parameters, etc.@Magdalena Rut FYI regarding a UI/UX improvement suggestions for the node editor component.

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Anita Hæhre
Seasoned Practitioner
1 year ago
Anders Brakestad
Seasoned
Anders BrakestadSeasoned

Cognite Charts: Keyboard bindings for more efficient useGathering Interest

Absolutely – we’ve discussed the need for added and improved keyboard shortcuts (including some of the ideas you’ve already written, above). All of these would make it much simpler and faster to interact with the chart and the data within it.

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Anita Hæhre
Seasoned Practitioner
1 year ago
Anders Brakestad
Seasoned
Anders BrakestadSeasoned

Cognite Charts: Figure element formatting for exportGathering Interest

Thanks @Anders Brakestad for taking the time to provide these examples and best practices! You’re absolutely right that we can (and should) have a more robust image exporting experience when you want to make your charts report/ presentation-ready. @Magdalena Rut FYI for some great suggestions and benchmarks for improving this feature. 

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Anita Hæhre
Seasoned Practitioner
1 year ago
P
Practitioner
Petteri VainikkaPractitioner
published in Welcome to Cognite Hub

Ask your questions for Cognite Live Product Tour 2023!

Awesome! When can we expect Charts to become part of CDF? Thanks for your question, @simenri – This will be released and available for everyone on Tuesday, December 6th as a part of our bimonthly Cognite Data Fusion release. Looking forward to hearing your feedback once you have the chance to try it out for yourself!

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Arun Arunachalam
Seasoned Practitioner
1 year ago
Anders Brakestad
Seasoned
Anders BrakestadSeasoned

Cognite Charts: Select zoom window with the mouseImplemented

Hi @Anders Brakestad,First off, thank you very much for all of the wonderful requests here on Hub! We really appreciate it and will be responding to each and every one in due time. (I’m helping to organize our Product Tour this afternoon, but will have more time tomorrow and next week.I wanted to respond to this one quickly, since this is functionality is already available. If you want to zoom into a specific range, click + shift and drag  to highlight a section on the plot. You can double-click on the plot to easily “snap” the range back to its previous position.This absolutely can – and needs to be – more discoverable via the UI, so this is something that is on our agenda to improve (both for this feature and overall).Thanks again and speak more soon,Eric

3
Anita Hæhre
Seasoned Practitioner
1 year ago
crgomez13
Committed
crgomez13Accenture
asked in Developer and User Community

Cognite Charts: Cumulative Sum Calculations

Hi @crgomez13 and thanks for the question.Yes, we have an Integration function (Function → Operators → Integration) that will do exactly this. The function includes a parameter so you are able to specify the frequency or granularity of the calculation (e.g. 1 hour):The maximum result of this calculation (i.e. the right-most data point) will be the total, cumulative value for the range in view. You can view this max value by hovering your cursor over this value, in the Max column of the table below the plot, and/or by opening the statistics panel (clicking the ℹ️ icon). In addition, we have a Sliding window integration function, to measure cumulative values over a sliding time window, and a Cumulative sum (CUSUM) function, where you can visualize the cumulative sum of the positive or negative changes in the data. And if you have a request for an additional type of function to meet your use case, please do let us know!Since all calculations are run on the fly based on the data in view on

5
Eric Stein-Beldring
Seasoned Practitioner
1 year ago
I
Committed
IrieCommitted

Cognite Charts : Improvement request for ChartsPlanned for development

Hi @Irie and thank you for taking the time to make this request. This is absolutely a feature we agree needs to be available, and is a request we’ve heard from other people too.@Anita Hæhre could you set this product idea’s status as Planned for development?Currently, the team is working hard to implement the new features that will be included in our upcoming December 6th release (see more here). While the ability to specify the number of significant digits is not something we’re working on right now, it is on the short list of features to be worked on after our December release.As soon as we know more about exactly when this functionality will be worked on and be made available, we’ll be sure to post an update here and let you know. In the meantime, if you come across any additional feature requests or questions, please don’t hesitate to let us know!

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Arun Arunachalam
Seasoned Practitioner
16 days ago
Krystele Uy
Practitioner
Krystele UyPractitioner

Charts - Display of linked P&IDsPlanned for development

Completely agree with you both @Krystele Uy and @ibrahim.alsyed.I’ve been discussing this topic actively with several Cogniters over the past week. We have a plan for how to improve upon this experience in a way that leverages a common component (UI/UX) that can be used across Cognite Data Fusion. Meaning, we would no longer have the need to have a dedicated component within the Charts interface that is maintained independently of the other (more robust) file viewing and filtering experiences in CDF. We’re discussing when exactly this will be a focus for our upcoming development cycles, but this is absolutely something we intend to improve upon. @Anita Hæhre could you please update the status of this post to Planned for development?

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Marcela Young
Seasoned
7 months ago
R
Seasoned
RobersoSNSeasoned

Support aggregation of many time-series in CDFGathering Interest

@RobersoSN unfortunately no, since the backend we use to run calculations are separate from the synthetic time series capabilities in Cognite Data Fusion. That said, we are working on the backend functionality that will make this possible for us to build a better frontend experience for this type of use case. Regardless, I believe @Thomas Sjølshagen’s proposals for using synthetic time series will probably be a more efficient and scalable solution to this problem that you’re describing (at least in the near-term). 

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Eric Stein-Beldring
Seasoned Practitioner
1 year ago
I
Seasoned
ibrahim.alsyedSeasoned

Cognite Charts: View DataSheets in addition to P&IDGathering Interest

Hi @ibrahim.alsyed,I apologize – I realize that I was mistaken in my original message in this thread. For the time being, we only support PDF and SVG file formats in the Charts file viewer.However, we are in the process of updating this component to one that will be used across Cognite Data Fusion, to provide a unified file viewing experience. While the first iteration will prioritize supporting image files (PDF, JPG, SVG, etc.), viewing CSV and other spreadsheet formats are expected to be within reach in the short term. @Milad Mobarhan is the right Cogniter to share more information or specifics. On that note – how valuable is it to be able to interact with the sheet, like you would in Excel? For instance, being able to change the sorting of columns, search within the sheet, view comments etc.

6
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Seasoned
1 year ago

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