geo::ROOTGeoPathBuilder Class Reference

Public Types
using	PathIndex_t = std::vector< std::size_t >
using	Path_t = std::vector< TGeoNode const * >

Public Member Functions
	ROOTGeoPathBuilder (TGeoNode const *rootNode)
Path_t	toPath (PathIndex_t const &pathIndex) const

Static Public Member Functions
static PathIndex_t	toPathIndex (Path_t const &path)
static Path_t	toPath (TGeoNode const *rootNode, PathIndex_t const &pathIndex)
static PathIndex_t	emptyPathIndex ()
static Path_t	emptyPath ()

Static Private Member Functions
static std::size_t	findDaughterIndex (TGeoNode const *pDaughter, TGeoNode const *pParent)

Private Attributes
TGeoNode const *	pRoot = nullptr

Detailed Description

Definition at line 989 of file GeometryCore.cxx.

Member Typedef Documentation

using geo::ROOTGeoPathBuilder::Path_t = std::vector<TGeoNode const*>

Definition at line 992 of file GeometryCore.cxx.

using geo::ROOTGeoPathBuilder::PathIndex_t = std::vector<std::size_t>

Definition at line 991 of file GeometryCore.cxx.

Constructor & Destructor Documentation

geo::ROOTGeoPathBuilder::ROOTGeoPathBuilder ( TGeoNode const *  rootNode )

inline

Definition at line 994 of file GeometryCore.cxx.

: pRoot(rootNode) {}

Member Function Documentation

static Path_t geo::ROOTGeoPathBuilder::emptyPath ( )

inlinestatic

Definition at line 1026 of file GeometryCore.cxx.

{ return {}; }

static PathIndex_t geo::ROOTGeoPathBuilder::emptyPathIndex ( )

inlinestatic

Definition at line 1025 of file GeometryCore.cxx.

{ return {}; }

static std::size_t geo::ROOTGeoPathBuilder::findDaughterIndex ( TGeoNode const *  pDaughter, TGeoNode const *  pParent  )

inlinestaticprivate

Definition at line 1032 of file GeometryCore.cxx.

References n.

      {
         assert(pParent);
         std::size_t n = pParent->GetNdaughters();
         for (std::size_t i = 0U; i < n; ++i) {
           if (pParent->GetDaughter(i) == pDaughter) return i;
         }
         throw std::runtime_error("Node is not daughter of specified parent!");
      } // findDaughterIndex()

Path_t geo::ROOTGeoPathBuilder::toPath ( PathIndex_t const &  pathIndex ) const

inline

Definition at line 996 of file GeometryCore.cxx.

      { return toPath(pRoot, pathIndex); }

static Path_t geo::ROOTGeoPathBuilder::toPath ( TGeoNode const *  rootNode, PathIndex_t const &  pathIndex  )

inlinestatic

Definition at line 1013 of file GeometryCore.cxx.

      {
         Path_t path;
         path.push_back(rootNode);
         TGeoNode const* pCurrentNode = path.back();
         for (std::size_t daughterIndex: pathIndex) {
           pCurrentNode = pCurrentNode->GetVolume()->GetNode(daughterIndex);
           path.push_back(pCurrentNode);
         }
         return path;
      } // toPath()

static PathIndex_t geo::ROOTGeoPathBuilder::toPathIndex ( Path_t const &  path )

inlinestatic

Definition at line 999 of file GeometryCore.cxx.

References geo::vect::indices().

      {
        assert(!path.empty());
        PathIndex_t indices;
        auto itParent = path.begin();
        auto itDaughter = itParent;
        while (++itDaughter != path.end()) {
          indices.push_back(findDaughterIndex(*itDaughter, *itParent));
          itParent = itDaughter;
        }
        return indices;
      } // toPathIndex()

Member Data Documentation

TGeoNode const* geo::ROOTGeoPathBuilder::pRoot = nullptr

private

Definition at line 1029 of file GeometryCore.cxx.

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The documentation for this class was generated from the following file:

• /cvmfs/larsoft.opensciencegrid.org/products/larcorealg/v07_03_00/source/larcorealg/Geometry/GeometryCore.cxx