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refactor: update Geant scene visualization to use PhysicalVolumes instead of raw Solids for improved placement and context handling.

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This commit is contained in:
AndreaRigoni
2026-04-16 15:09:42 +00:00
parent e4379811a3
commit 64bfd92e34
17 changed files with 288 additions and 169 deletions
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72
src/Vtk/HEP/Geant/testing/vtkSolidsTest.cpp
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@@ -25,53 +25,59 @@ using namespace uLib;
int main(int argc, char** argv) {
bool interactive = (argc > 1 && std::string(argv[1]) == "-i");
// 1. Create a BoxSolid
ContainerBox box;
box.Scale(Vector3f(1_m, 2_m, 3_m));
Geant::BoxSolid gBox("MyBox", &box);
gBox.Update();
Vtk::BoxSolid vtkBox(&gBox);
// 2. Create a TessellatedSolid
Geant::TessellatedSolid gTess("MyTess");
TriangleMesh mesh;
// Create a simple pyramid
mesh.Points().push_back(Vector3f(0, 0, 1_m)); // apex
mesh.Points().push_back(Vector3f(-1_m, -1_m, 0));
mesh.Points().push_back(Vector3f( 1_m, -1_m, 0));
mesh.Points().push_back(Vector3f( 1_m, 1_m, 0));
mesh.Points().push_back(Vector3f(-1_m, 1_m, 0));
mesh.Triangles().push_back(Vector3i(1, 2, 0));
mesh.Triangles().push_back(Vector3i(2, 3, 0));
mesh.Triangles().push_back(Vector3i(3, 4, 0));
mesh.Triangles().push_back(Vector3i(4, 1, 0));
mesh.Triangles().push_back(Vector3i(1, 3, 2)); // base
mesh.Triangles().push_back(Vector3i(1, 4, 3)); // base
gTess.SetMesh(mesh);
gTess.Update();
Vtk::TessellatedSolid vtkTess(&gTess);
// 3. Visualization setup
Vtk::Viewer viewer;
// 1. Create a BoxSolid
SmartPointer<ContainerBox> box(new ContainerBox());
box->Scale(Vector3f(1_m, 2_m, 3_m));
SmartPointer<Geant::BoxSolid> gBox(new Geant::BoxSolid("MyBox", box));
gBox->Update();
SmartPointer<Geant::LogicalVolume> lvBox(new Geant::LogicalVolume("BoxLV"));
lvBox->SetSolid(gBox);
SmartPointer<Geant::PhysicalVolume> pvBox(new Geant::PhysicalVolume("BoxPV", lvBox));
Vtk::BoxSolid vtkBox(pvBox);
vtkBox.AddToViewer(viewer);
// 2. Create a TessellatedSolid
SmartPointer<Geant::TessellatedSolid> gTess(new Geant::TessellatedSolid("MyTess"));
SmartPointer<TriangleMesh> mesh(new TriangleMesh());
// ... same points ...
mesh->Points().push_back(Vector3f(0, 0, 1_m)); // apex
mesh->Points().push_back(Vector3f(-1_m, -1_m, 0));
mesh->Points().push_back(Vector3f( 1_m, -1_m, 0));
mesh->Points().push_back(Vector3f( 1_m, 1_m, 0));
mesh->Points().push_back(Vector3f(-1_m, 1_m, 0));
mesh->Triangles().push_back(Vector3i(1, 2, 0));
mesh->Triangles().push_back(Vector3i(2, 3, 0));
mesh->Triangles().push_back(Vector3i(3, 4, 0));
mesh->Triangles().push_back(Vector3i(4, 1, 0));
mesh->Triangles().push_back(Vector3i(1, 3, 2)); // base
mesh->Triangles().push_back(Vector3i(1, 4, 3)); // base
gTess->SetMesh(mesh.Get());
gTess->Update();
SmartPointer<Geant::LogicalVolume> lvTess(new Geant::LogicalVolume("TessLV"));
lvTess->SetSolid(gTess);
SmartPointer<Geant::PhysicalVolume> pvTess(new Geant::PhysicalVolume("TessPV", lvTess));
Vtk::TessellatedSolid vtkTess(pvTess);
vtkTess.AddToViewer(viewer);
// Color them differently
vtkBox.SetColor(0.8, 0.2, 0.2); // Redish box
vtkTess.SetColor(0.2, 0.8, 0.2); // Greenish tess
// Position tessellated solid away from box
// Position tessellated solid away from box using the PhysicalVolume
Matrix4f trans = Matrix4f::Identity();
trans.block<3,1>(0,3) = Vector3f(5_m, 0, 0);
gTess.SetTransform(trans);
pvTess->SetMatrix(trans);
vtkTess.Update();
std::cout << "..:: Testing vtkSolidsTest ::.." << std::endl;
std::cout << "Box and Tessellated solids initialized." << std::endl;
std::cout << "Box and Tessellated solids (placed via PhysicalVolumes) initialized." << std::endl;
if (interactive) {
viewer.ZoomAuto();