added first template-tracking code

Processes/CMakeLists.txt

@@ -2,9 +2,11 @@
 add_subdirectory (NullModel)
 add_subdirectory (Sibyll)
 add_subdirectory (StackInspector)
+add_subdirectory (TrackingLine)
 
 #add_custom_target(CORSIKAprocesses)
 add_library (CORSIKAprocesses INTERFACE)
 add_dependencies(CORSIKAprocesses ProcessNullModel)
 add_dependencies(CORSIKAprocesses ProcessSibyll)
 add_dependencies(CORSIKAprocesses ProcessStackInspector)
+add_dependencies(CORSIKAprocesses ProcessTrackingLine)

Processes/TrackingLine/CMakeLists.txt

+
+set (
+  MODEL_HEADERS
+  TrackingLine.h
+  )
+
+set (
+  MODEL_NAMESPACE
+  corsika/process/tracking_line
+  )
+
+add_library (ProcessTrackingLine INTERFACE)
+CORSIKA_COPY_HEADERS_TO_NAMESPACE (ProcessTrackingLine ${MODEL_NAMESPACE} ${MODEL_HEADERS})
+
+
+target_include_directories (
+  ProcessTrackingLine 
+  INTERFACE 
+  $<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/include>
+  $<INSTALL_INTERFACE:include/include>
+  )
+
+install (FILES ${MODEL_HEADERS} DESTINATION include/${MODEL_NAMESPACE})
+
+
+
+# # --------------------
+# # code unit testing
+# add_executable (testStackInspector testStackInspector.cc)
+
+# target_link_libraries (
+#   testStackInspector
+#   CORSIKAunits
+#   CORSIKAthirdparty # for catch2
+#   )
+
+# add_test (NAME testStackInspector COMMAND testStackInspector)
+

Processes/TrackingLine/TrackingLine.h

+#ifndef _include_corsika_processes_TrackinLine_h_
+#define _include_corsika_processes_TrackinLine_h_
+
+#include <corsika/geometry/Vector.h>
+#include <corsika/geometry/Point.h>
+
+#include <corsika/units/PhysicalUnits.h>
+
+#include <corsika/setup/SetupStack.h>
+#include <corsika/setup/SetupTrajectory.h>
+
+using namespace corsika;
+
+namespace corsika::process {
+
+  namespace tracking_line {
+
+    template <typename Stack>
+    class TrackingLine { // Newton-step, naja.. not yet
+      typedef typename Stack::ParticleType Particle;
+
+    public:
+      void Init() {}
+      setup::Trajectory GetTrack(Particle& p) {
+        geometry::Vector<SpeedType::dimension_type> v = p.GetDirection();
+        geometry::Line traj(p.GetPosition(), v);
+        return geometry::Trajectory<corsika::geometry::Line>(traj, 100_ns);
+      }
+    };
+
+  } // namespace stack_inspector
+
+} // namespace corsika::process
+
+#endif