MadGraph5_aMC@NLO

Upgrade diagram filters for configurable name?

Asked by Zachary Marshall

Hi all,

Looking at the diagram filter functionality:
https://cp3.irmp.ucl.ac.be/projects/madgraph/wiki/FAQ-General-15

and:
https://github.com/mg5amcnlo/mg5amcnlo/blob/55a291dc8def762938a964cc1343c6d76af5b843/madgraph/core/diagram_generation.py#L909

I think it's a bit awkward that these names are hard-coded. It also means in an installation or system we can only use one user filter at a time, I believe (please correct me if I'm wrong!).

It feels like this would be straightforward to extend, to allow --diagram_filter to take an optional argument that is the name of the filter, and then to look for that module if available (and user_filter by default). Did I understand this correctly? Would such an extension be doable?

Thanks,
Zach

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Olivier Mattelaer (olivier-mattelaer) said : 		#1

Should be doable yes.

Olivier

> On 19 Nov 2024, at 13:51, Zachary Marshall <email address hidden> wrote:
>
> New question #819375 on MadGraph5_aMC@NLO:
> https://answers.launchpad.net/mg5amcnlo/+question/819375
>
> Hi all,
>
> Looking at the diagram filter functionality:
> https://cp3.irmp.ucl.ac.be/projects/madgraph/wiki/FAQ-General-15
>
> and:
> https://github.com/mg5amcnlo/mg5amcnlo/blob/55a291dc8def762938a964cc1343c6d76af5b843/madgraph/core/diagram_generation.py#L909
>
> I think it's a bit awkward that these names are hard-coded. It also means in an installation or system we can only use one user filter at a time, I believe (please correct me if I'm wrong!).
>
> It feels like this would be straightforward to extend, to allow --diagram_filter to take an optional argument that is the name of the filter, and then to look for that module if available (and user_filter by default). Did I understand this correctly? Would such an extension be doable?
>
> Thanks,
> Zach
>
> --
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