Re: Reproducing the Dragon example

[Julien Tierny]

Dear Nicolas,

thanks a lot for your email.

> I am trying to follow the Dragon Tutorial, but when we apply the
> "TTKPersistenceCurve" the following error shows up:
The interface of the filter "TTKPersistenceCurve" has changed since the video tutorial has been shot. Now, you should apply this filter directly on the output of the "TTKPersistenceDiagram" filter.
See this Python code snippet for instance (line 22): https://topology-tool-kit.github.io/examples/dragon/#python-code

I hope this helps.

Best regards,
--
Dr Julien Tierny
CNRS Researcher
Sorbonne Universite
https://julien-tierny.github.io/

On Wednesday, November 1, 2023 11:04:05 PM CET Nicolas wrote:
> Hello!
>
> I am taking the TDA course from MVA and wanted to dive deeper into TTK.
> I am trying to follow the Dragon Tutorial, but when we apply the
> "TTKPersistenceCurve" the following error shows up:
>
> ERROR: In vtkExecutive.cxx, line 740
> vtkPVCompositeDataPipeline (0x55c28f1efac0): Algorithm
> ttkPersistenceCurve (0x55c28a3bffb0) returned failure for request:
> vtkInformation (0x55c28eafd8a0)
> Debug: Off
> Modified Time: 3944794
> Reference Count: 1
> Registered Events: (none)
> Request: REQUEST_DATA
> FROM_OUTPUT_PORT: 0
> ALGORITHM_AFTER_FORWARD: 1
> FORWARD_DIRECTION: 0
>
>
> I am working on a machine with Linux Mint.
>
> Should have a suggestion on what can I do, I'll be very thankful, if
> not, this is just a report!
>
> Thanks a lot in advance,
>
> Best regards,
>
> Nicolas
>
>