add cylinder emitter

2026-03-19 16:19:36 +00:00
parent ae27e9d46d
commit 80952cc706
6 changed files with 286 additions and 0 deletions
--- a/src/Vtk/HEP/Geant/testing/vtkCylinderEmitterPrimaryTest.cpp
+++ b/src/Vtk/HEP/Geant/testing/vtkCylinderEmitterPrimaryTest.cpp
@@ -0,0 +1,136 @@
+/*//////////////////////////////////////////////////////////////////////////////
+// CMT Cosmic Muon Tomography project //////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////
+
+  Copyright (c) 2014, Universita' degli Studi di Padova, INFN sez. di Padova
+  All rights reserved
+
+  Authors: Andrea Rigoni Garola < andrea.rigoni@pd.infn.it >
+
+//////////////////////////////////////////////////////////////////////////////*/
+
+#include "Geant/Solid.h"
+#include "HEP/Geant/GeantEvent.h"
+#include "HEP/Geant/Scene.h"
+#include "HEP/Geant/EmitterPrimary.hh"
+#include "Math/Cylinder.h"
+#include "Math/Dense.h"
+#include "Math/Units.h"
+#include "Vtk/uLibVtkViewer.h"
+#include "Vtk/HEP/Geant/vtkGeantEvent.h"
+#include "Vtk/HEP/Geant/vtkEmitterPrimary.h"
+#include "Vtk/vtkContainerBox.h"
+
+#include <vtkSmartPointer.h>
+#include <vtkCallbackCommand.h>
+#include <vtkRenderWindowInteractor.h>
+#include <vtkProperty.h>
+#include <vtkRenderer.h>
+#include <vtkRenderWindow.h>
+
+#include <Geant4/Randomize.hh>
+#include <Geant4/G4ParticleGun.hh>
+#include <Geant4/G4SystemOfUnits.hh>
+
+#include <iostream>
+
+using namespace uLib;
+
+struct AppState {
+    Geant::Scene* scene;
+    Vtk::Viewer* viewer;
+    Vector<Geant::GeantEvent> results;
+};
+
+void KeyPressCallbackFunction(vtkObject* caller, long unsigned int eventId, void* clientData, void* callData) {
+    auto* interactor = static_cast<vtkRenderWindowInteractor*>(caller);
+    auto* state = static_cast<AppState*>(clientData);
+    
+    std::string key = interactor->GetKeySym();
+    if (key == "Return") {
+        std::cout << "--> Firing muon from cylinder emitter..." << std::endl;
+        
+        // Run one event
+        state->scene->RunSimulation(1, state->results);
+        
+        if (!state->results.empty()) {
+            Geant::GeantEvent* lastEvent = &state->results.back();
+            std::cout << "    Collected event " << lastEvent->GetEventID() 
+                      << " with " << lastEvent->Path().size() << " steps." << std::endl;
+                      
+            Vtk::vtkGeantEvent* vtkEvent = new Vtk::vtkGeantEvent(lastEvent);
+            state->viewer->AddPuppet(*vtkEvent);
+            
+            state->viewer->GetRenderer()->Render();
+            state->viewer->GetRenderWindow()->Render();
+        }
+        else {
+            std::cout << "    No event collected." << std::endl;
+        }
+    }
+}
+
+int main(int argc, char** argv) {
+    // 1. Setup Geant4 Scene
+    Geant::Scene scene;
+    scene.ConstructWorldBox(Vector3f(30_m, 30_m, 30_m), "G4_AIR");
+
+    ContainerBox iron_box;
+    iron_box.Scale(Vector3f(10_m, 10_m, 10_m));
+    iron_box.SetPosition(Vector3f(0, 0, 0));
+    Geant::BoxSolid* iron_cube = new Geant::BoxSolid("IronCube", &iron_box);
+    iron_cube->SetNistMaterial("G4_Fe");
+    iron_cube->Update();
+    scene.AddSolid(iron_cube);
+
+    // Use CylinderEmitterPrimary
+    Geant::CylinderEmitterPrimary* emitter = new Geant::CylinderEmitterPrimary();
+    emitter->SetPosition(Vector3f(0, -15_m, 0)); // Vertically offset so base is at -10m
+    emitter->Rotate(-90_deg, Vector3f(1, 0, 0));
+    emitter->SetRadius(15_m);
+    emitter->SetHeight(30_m);
+    
+    scene.SetEmitter(emitter);
+    scene.Initialize();
+
+    // 2. Setup VTK Viewer
+    Vtk::Viewer viewer;
+    viewer.GetRenderer()->SetBackground(0.05, 0.05, 0.1);
+    
+    Vtk::vtkContainerBox* vtkWorld = new Vtk::vtkContainerBox(scene.GetWorldBox());
+    vtkWorld->ShowScaleMeasures(true);
+    vtkWorld->SetRepresentation(Vtk::Puppet::Wireframe);
+    vtkWorld->SetSelectable(false);
+    viewer.AddPuppet(*vtkWorld);
+    
+    Vtk::vtkContainerBox* vtkIron = new Vtk::vtkContainerBox(&iron_box);
+    vtkIron->SetOpacity(0.2);
+    vtkIron->SetRepresentation(Vtk::Puppet::Surface);
+    viewer.AddPuppet(*vtkIron);
+
+    // Use vtkCylinderEmitterPrimary
+    Vtk::vtkCylinderEmitterPrimary* vtkEmitter = new Vtk::vtkCylinderEmitterPrimary(*emitter);
+    vtkEmitter->SetSelectable(false);
+    viewer.AddPuppet(*vtkEmitter);
+    
+    // 3. Event Handling
+    AppState state = { &scene, &viewer, {} };
+    
+    vtkSmartPointer<vtkCallbackCommand> keyCallback = vtkSmartPointer<vtkCallbackCommand>::New();
+    keyCallback->SetCallback(KeyPressCallbackFunction);
+    keyCallback->SetClientData(&state);
+    
+    viewer.GetInteractor()->AddObserver(vtkCommand::KeyPressEvent, keyCallback);
+
+    std::cout << "=================================================" << std::endl;
+    std::cout << " Cylinder Emitter Interactive Test" << std::endl;
+    std::cout << " Visualize the generation volume (blue cylinder)" << std::endl;
+    std::cout << " Press [ENTER] to fire a muon using EcoMug" << std::endl;
+    std::cout << " Press [q] to exit" << std::endl;
+    std::cout << "=================================================" << std::endl;
+
+    viewer.ZoomAuto();
+    viewer.Start();
+
+    return 0;
+}