diff --git a/CMakeLists.txt b/CMakeLists.txt
index db0ed3980922d8882b3f93fec80b6b35ceebb8e8..166041948f561b6ef28099782ac49d626a3351b3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -30,10 +30,9 @@ option(ACTS_BUILD_EXAMPLES "Build examples" OFF)
option(ACTS_BUILD_UNITTESTS "Build unit tests" OFF)
option(ACTS_BUILD_INTEGRATIONTESTS "Build integration tests" OFF)
option(ACTS_BUILD_DOC "Build documentation" OFF)
-
# all other compile-time parameters must be defined here for clear visibility
# and to avoid forgotten options somewhere deep in the hierarchy
-set(ACTS_PARAMETER_DEFINITIONS_PLUGIN "Acts/Utilities/detail/DefaultParameterDefinitions.hpp" CACHE FILEPATH "Default track parameter definition")
+set(ACTS_PARAMETER_DEFINITIONS_HEADER "" CACHE FILEPATH "Use a different (track) parameter definitions header")
# handle inter-plugin dependencies
# DD4hepPlugin depends on TGeoPlugin
diff --git a/Core/CMakeLists.txt b/Core/CMakeLists.txt
index d022d9373388ebb947b9eaeb24bd31220ba20e42..63acfd031d3ae40b4b650671f6a93509268407ee 100644
--- a/Core/CMakeLists.txt
+++ b/Core/CMakeLists.txt
@@ -8,9 +8,6 @@ add_library(
target_compile_features(
ActsCore
PUBLIC cxx_std_17)
-target_compile_definitions(
- ActsCore
- PUBLIC -DACTS_PARAMETER_DEFINITIONS_PLUGIN="${ACTS_PARAMETER_DEFINITIONS_PLUGIN}")
target_include_directories(
ActsCore
SYSTEM PUBLIC ${Boost_INCLUDE_DIRS} ${EIGEN_INCLUDE_DIRS}
@@ -23,6 +20,12 @@ target_link_libraries(
ActsCore
PUBLIC Boost::boost)
+if(ACTS_PARAMETER_DEFINITIONS_HEADER)
+ target_compile_definitions(
+ ActsCore
+ PUBLIC -DACTS_PARAMETER_DEFINITIONS_HEADER="${ACTS_PARAMETER_DEFINITIONS_HEADER}")
+endif()
+
install(
TARGETS ActsCore
EXPORT ActsCoreTargets
diff --git a/Core/include/Acts/Utilities/ParameterDefinitions.hpp b/Core/include/Acts/Utilities/ParameterDefinitions.hpp
index 3a0ac2f2bffabde32aac8e70cd5787b4b18a7e41..66feee557c5d8e8b1030f44337f92a87e69a0a00 100644
--- a/Core/include/Acts/Utilities/ParameterDefinitions.hpp
+++ b/Core/include/Acts/Utilities/ParameterDefinitions.hpp
@@ -1,6 +1,6 @@
// This file is part of the Acts project.
//
-// Copyright (C) 2016-2018 CERN for the benefit of the Acts project
+// Copyright (C) 2016-2020 CERN for the benefit of the Acts project
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
@@ -8,12 +8,128 @@
#pragma once
+#include <cmath>
#include <type_traits>
#include "Acts/Utilities/Definitions.hpp"
+#include "Acts/Utilities/ParameterTypes.hpp"
-#ifdef ACTS_PARAMETER_DEFINITIONS_PLUGIN
-#include ACTS_PARAMETER_DEFINITIONS_PLUGIN
+// The user can override the (track) parameter ordering and underlying scalar
+// type. If the variable is defined, it must point to a header file that
+// contains the same enum and type definitions for bound and free track
+// parameters as well as space points as given below.
+#ifdef ACTS_PARAMETER_DEFINITIONS_HEADER
+#include ACTS_PARAMETER_DEFINITIONS_HEADER
+#else
+namespace Acts {
+
+/// Components of a bound track parameters vector.
+///
+/// To be used to access components by named indices instead of just numbers.
+/// This must be a regular `enum` and not a scoped `enum class` to allow
+/// implicit conversion to an integer. The enum value are thus visible directly
+/// in `namespace Acts` and are prefixed to avoid naming collisions.
+enum BoundParametersIndices : unsigned int {
+ // Local position on the reference surface.
+ // This is intentionally named different from the position components in
+ // the other data vectors, to clarify that this is defined on a surface
+ // while the others are defined in free space.
+ eBoundLoc0 = 0,
+ eBoundLoc1 = 1,
+ // Direction angles
+ eBoundPhi = 2,
+ eBoundTheta = 3,
+ // Global inverse-momentum-like parameter, i.e. q/p or 1/p
+ // The naming is inconsistent for the case of neutral track parameters where
+ // the value is interpreted as 1/p not as q/p. This is intentional to avoid
+ // having multiple aliases for the same element and for lack of an acceptable
+ // common name.
+ eBoundQOverP = 4,
+ eBoundTime = 5,
+ // Last uninitialized value contains the total number of components
+ eBoundParametersSize,
+ // The following aliases without prefix exist for historical reasons
+ // Generic spatial coordinates on the local surface
+ eLOC_0 = eBoundLoc0,
+ eLOC_1 = eBoundLoc1,
+ // Spatial coordinates on a disk in polar coordinates
+ eLOC_R = eLOC_0,
+ eLOC_PHI = eLOC_1,
+ // Spatial coordinates on a disk in Cartesian coordinates
+ eLOC_X = eLOC_0,
+ eLOC_Y = eLOC_1,
+ // Spatial coordinates on a cylinder
+ eLOC_RPHI = eLOC_0,
+ eLOC_Z = eLOC_1,
+ // Closest approach coordinates on a virtual perigee surface
+ eLOC_D0 = eLOC_0,
+ eLOC_Z0 = eLOC_1,
+ // Direction angles
+ ePHI = eBoundPhi,
+ eTHETA = eBoundTheta,
+ eQOP = eBoundQOverP,
+ eT = eBoundTime,
+};
+
+/// Components of a free track parameters vector.
+///
+/// To be used to access components by named indices instead of just numbers.
+/// This must be a regular `enum` and not a scoped `enum class` to allow
+/// implicit conversion to an integer. The enum value are thus visible directly
+/// in `namespace Acts` and are prefixed to avoid naming collisions.
+enum FreeParametersIndices : unsigned int {
+ // Spatial position
+ // The spatial position components must be stored as one continous block.
+ eFreePos0 = 0u,
+ eFreePos1 = eFreePos0 + 1u,
+ eFreePos2 = eFreePos0 + 2u,
+ // Time
+ eFreeTime = 3u,
+ // (Unit) direction
+ // The direction components must be stored as one continous block.
+ eFreeDir0 = 4u,
+ eFreeDir1 = eFreeDir0 + 1u,
+ eFreeDir2 = eFreeDir0 + 2u,
+ // Global inverse-momentum-like parameter, i.e. q/p or 1/p
+ // See BoundParametersIndices for further information
+ eFreeQOverP = 7u,
+ // Last uninitialized value contains the total number of components
+ eFreeParametersSize,
+};
+
+/// Components of a space point vector.
+///
+/// To be used to access components by named indices instead of just numbers.
+/// This must be a regular `enum` and not a scoped `enum class` to allow
+/// implicit conversion to an integer. The enum value are thus visible directly
+/// in `namespace Acts` and are prefixed to avoid naming collisions.
+///
+/// Within the same context either the position-like or the momentum-like
+/// indices must be used exclusively.
+enum SpacePointIndices : unsigned int {
+ // For position four-vectors
+ // The spatial position components must be stored as one continous block.
+ eSpacePos0 = 0u,
+ eSpacePos1 = eSpacePos0 + 1u,
+ eSpacePos2 = eSpacePos0 + 2u,
+ eSpaceTime = 3u,
+ // Last uninitialized value contains the total number of components
+ eSpacePointSize,
+ // Aliases for momentum four-vectors to allow clearer code
+ eSpaceMom0 = eSpacePos0,
+ eSpaceMom1 = eSpacePos1,
+ eSpaceMom2 = eSpacePos2,
+ eSpaceEnergy = eSpaceTime,
+};
+
+/// Underlying fundamental scalar type for bound track parameters.
+using BoundParametersScalar = double;
+/// Underlying fundamental scalar type for free track parameters.
+using FreeParametersScalar = double;
+/// Underlying fundamental scalar type for space points.
+using SpacePointScalar = double;
+
+} // namespace Acts
#endif
namespace Acts {
diff --git a/Core/include/Acts/Utilities/detail/DefaultParameterDefinitions.hpp b/Core/include/Acts/Utilities/detail/DefaultParameterDefinitions.hpp
deleted file mode 100644
index 6882d1e6c73a4b726b6d8c227ea0342285a13512..0000000000000000000000000000000000000000
--- a/Core/include/Acts/Utilities/detail/DefaultParameterDefinitions.hpp
+++ /dev/null
@@ -1,125 +0,0 @@
-// This file is part of the Acts project.
-//
-// Copyright (C) 2016-2019 CERN for the benefit of the Acts project
-//
-// This Source Code Form is subject to the terms of the Mozilla Public
-// License, v. 2.0. If a copy of the MPL was not distributed with this
-// file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-#pragma once
-
-#include <cmath>
-
-#include "Acts/Utilities/ParameterTypes.hpp"
-
-namespace Acts {
-
-/// Components of a bound track parameters vector.
-///
-/// To be used to access components by named indices instead of just numbers.
-/// This must be a regular `enum` and not a scoped `enum class` to allow
-/// implicit conversion to an integer. The enum value are thus visible directly
-/// in `namespace Acts` and are prefixed to avoid naming collisions.
-enum BoundParametersIndices : unsigned int {
- // Local position on the reference surface.
- // This is intentionally named different from the position components in
- // the other data vectors, to clarify that this is defined on a surface
- // while the others are defined in free space.
- eBoundLoc0 = 0,
- eBoundLoc1 = 1,
- // Direction angles
- eBoundPhi = 2,
- eBoundTheta = 3,
- // Global inverse-momentum-like parameter, i.e. q/p or 1/p
- // The naming is inconsistent for the case of neutral track parameters where
- // the value is interpreted as 1/p not as q/p. This is intentional to avoid
- // having multiple aliases for the same element and for lack of an acceptable
- // common name.
- eBoundQOverP = 4,
- eBoundTime = 5,
- // Last uninitialized value contains the total number of components
- eBoundParametersSize,
- // The following aliases without prefix exist for historical reasons
- // Generic spatial coordinates on the local surface
- eLOC_0 = eBoundLoc0,
- eLOC_1 = eBoundLoc1,
- // Spatial coordinates on a disk in polar coordinates
- eLOC_R = eLOC_0,
- eLOC_PHI = eLOC_1,
- // Spatial coordinates on a disk in Cartesian coordinates
- eLOC_X = eLOC_0,
- eLOC_Y = eLOC_1,
- // Spatial coordinates on a cylinder
- eLOC_RPHI = eLOC_0,
- eLOC_Z = eLOC_1,
- // Closest approach coordinates on a virtual perigee surface
- eLOC_D0 = eLOC_0,
- eLOC_Z0 = eLOC_1,
- // Direction angles
- ePHI = eBoundPhi,
- eTHETA = eBoundTheta,
- eQOP = eBoundQOverP,
- eT = eBoundTime,
-};
-
-/// Underlying fundamental scalar type for bound track parameters.
-using BoundParametersScalar = double;
-
-/// Components of a free track parameters vector.
-///
-/// To be used to access components by named indices instead of just numbers.
-/// This must be a regular `enum` and not a scoped `enum class` to allow
-/// implicit conversion to an integer. The enum value are thus visible directly
-/// in `namespace Acts` and are prefixed to avoid naming collisions.
-enum FreeParametersIndices : unsigned int {
- // Spatial position
- // The spatial position components must be stored as one continous block.
- eFreePos0 = 0u,
- eFreePos1 = eFreePos0 + 1u,
- eFreePos2 = eFreePos0 + 2u,
- // Time
- eFreeTime = 3u,
- // (Unit) direction
- // The direction components must be stored as one continous block.
- eFreeDir0 = 4u,
- eFreeDir1 = eFreeDir0 + 1u,
- eFreeDir2 = eFreeDir0 + 2u,
- // Global inverse-momentum-like parameter, i.e. q/p or 1/p
- // See BoundParametersIndices for further information
- eFreeQOverP = 7u,
- // Last uninitialized value contains the total number of components
- eFreeParametersSize,
-};
-
-/// Underlying fundamental scalar type for free track parameters.
-using FreeParametersScalar = double;
-
-/// Components of a space point vector.
-///
-/// To be used to access components by named indices instead of just numbers.
-/// This must be a regular `enum` and not a scoped `enum class` to allow
-/// implicit conversion to an integer. The enum value are thus visible directly
-/// in `namespace Acts` and are prefixed to avoid naming collisions.
-///
-/// Within the same context either the position-like or the momentum-like
-/// indices must be used exclusively.
-enum SpacePointIndices : unsigned int {
- // For position four-vectors
- // The spatial position components must be stored as one continous block.
- eSpacePos0 = 0u,
- eSpacePos1 = eSpacePos0 + 1u,
- eSpacePos2 = eSpacePos0 + 2u,
- eSpaceTime = 3u,
- // Last uninitialized value contains the total number of components
- eSpacePointSize,
- // Aliases for momentum four-vectors to allow clearer code
- eSpaceMom0 = eSpacePos0,
- eSpaceMom1 = eSpacePos1,
- eSpaceMom2 = eSpacePos2,
- eSpaceEnergy = eSpaceTime,
-};
-
-/// Underlying fundamental scalar type for space points.
-using SpacePointScalar = double;
-
-} // namespace Acts