Class Acts::GenericApproachDescriptor¶
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class Acts::GenericApproachDescriptor : public Acts::ApproachDescriptor¶
Class to decide and return which approaching surface to be taken, it’s a generic descriptor for n surfaces.
It is templated in order to allow for BoundarySurfaces from representing volumes of layers to be re-used
Public Functions
A generic approach descriptor for new Acts::Surface objects passing ownership.
- Parameters
aSurfaces – are the approach surfaces
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~GenericApproachDescriptor() override = default¶
A generic approach descriptor with n surfaces to test.
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virtual ObjectIntersection<Surface> approachSurface(const GeometryContext &gctx, const Vector3 &position, const Vector3 &direction, const BoundaryCheck &bcheck) const override¶
Get the aproach surface to the layer.
- Parameters
gctx – The current geometry context object, e.g. alignment
position – The global position to start the approach from
direction – The momentum vector
bcheck – The boundary check prescription
- Returns
: a SurfaceIntersection