sPHENIX tracking discussion

[pinkenburg <pinkenburg AT bnl.gov>]

    Hi Hugo,
    
    we have now the capability to save nodes under the run wise tree and
    read them back in. It's a stop gap right now but it looks like we
    might actually use as calibration in the future.
    
    Maybe after the general meeting we can just quickly hack this
    
    Chris

On 5/26/2023 12:16 PM, Pereira Da Costa, Hugo Denis Antonio via sPHENIX-tracking-l wrote:

Hi 

Tristan and I have been trying to run TPOT clustering on Micromegas from PRDF

This fails.

To run clustering we need the detector geometry (from PHG4Geom objects) and MakeActsGeometry

This requires that all geometry is properly built and all the CylinderGeom (in particular CylinderCellGeom_SVTX, from the TPC), are present and filled, in order not to crash.

The problem is that this node is created (and filled) only in PHG4TpcElectronDrift, which we obviously should not run on real data. 

We think that the TPC geometry and relevant nodes should be created elsewhere for ACTS to be able to process real data. For instance inside PHG4TpcDetector.  This implies moving around the creation of the CellGeomNode creation, as well as the initialization of the TpcPadPlaneReadout. 

Did we get that right, or missed something ? 

Opinion ? Comment ? 

Tristan and I will hack something locally to try to get going, and might report back

Hugo

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Christopher H. Pinkenburg	;    pinkenburg AT bnl.gov
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