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Fix ObjectID data type conversions in FarDetectorTrackerCluster #1477

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Fix ObjectID data type conversions in FarDetectorTrackerCluster #1477

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b234ec1
Try swapping auto for podio::ObjectID
simonge May 31, 2024
9adcf37
Merge branch 'main' into fix_CellID_FarClustering
simonge May 31, 2024
cefd91e
Use edm4hep objectid rather than podio
simonge May 31, 2024
0bc9a4e
Merge branch 'fix_CellID_FarClustering' of github.com:eic/EICrecon in…
simonge May 31, 2024
a626503
Merge branch 'main' into fix_CellID_FarClustering
veprbl Jun 1, 2024
997ac48
Merge branch 'main' into fix_CellID_FarClustering
veprbl Jun 4, 2024
3cf07f2
Merge remote-tracking branch 'origin' into fix_CellID_FarClustering
simonge Aug 26, 2024
abfe475
Try setting as edm4hep::ObjectID directly
simonge Aug 26, 2024
765de22
Merge remote-tracking branch 'origin/main' into fix_CellID_FarClustering
simonge Aug 26, 2024
3d7fce6
Try static casting
simonge Aug 26, 2024
3139ed5
Cast the right thing
simonge Aug 26, 2024
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2 changes: 1 addition & 1 deletion src/algorithms/fardetectors/FarDetectorTrackerCluster.cc
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Expand Up @@ -112,7 +112,7 @@ namespace eicrecon {

ROOT::VecOps::RVec<unsigned long> clusterList = {maxIndex};
ROOT::VecOps::RVec<float> clusterT;
std::vector<podio::ObjectID> clusterHits;
std::vector<edm4hep::ObjectID> clusterHits;

// Loop over hits, adding neighbouring hits as relevant
while(clusterList.size()){
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2 changes: 1 addition & 1 deletion src/algorithms/fardetectors/FarDetectorTrackerCluster.h
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Expand Up @@ -28,7 +28,7 @@ struct FDTrackerCluster {
double energy{0.0};
double time{0.0};
double timeError{0.0};
std::vector<podio::ObjectID> rawHits;
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Can you add a comment as to why we use edm4hep, not podio (which we use everywhere else) with a link to relevant definition? I would hate for someone to change it back to podio in a year from now.

Also, can this be considered a bug in podio or edm4hep or edm4eic? One would expect these all to have consistent ObjectID types.

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I couldn't quite work out how this was wrong here but the edm4hep::ObjectID type has already been removed from the recent edm4hep releases. This means if we update, the old edm4hep::TrackerHit I'm using will break it anyway as it contains a vector of objectIDs rather than using podio relations. I believe our data model has progressed to a state the work around isn't necessary anymore.

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What's still missing from edm4eic is a Measurement3D, effectively Measurement2D swapping surface for the extra dimension, through the transformation to global coordinates (or not transforming back to 2D).

std::vector<edm4hep::ObjectID> rawHits;
};
namespace eicrecon {

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