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uLib/src/Vtk/Math/vtkStructuredGrid.cpp
2026-03-18 23:35:51 +00:00

115 lines
3.6 KiB
C++

/*//////////////////////////////////////////////////////////////////////////////
// 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 >
------------------------------------------------------------------
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library.
//////////////////////////////////////////////////////////////////////////////*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "Math/StructuredGrid.h"
#include "Vtk/Math/vtkStructuredGrid.h"
#include "Vtk/Math/vtkDense.h"
namespace uLib {
namespace Vtk {
////////////////////////////////////////////////////////////////////////////////
////// VTK STRUCTURED GRID /////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
vtkStructuredGrid::vtkStructuredGrid(Content &content)
: m_Content(&content), m_Actor(vtkActor::New()),
m_Transform(vtkTransform::New()) {
this->InstallPipe();
}
vtkStructuredGrid::~vtkStructuredGrid() {
m_Actor->Delete();
m_Transform->Delete();
}
void vtkStructuredGrid::SetTransform(vtkTransform *t) {
vtkMatrix4x4 *vmat = t->GetMatrix();
Matrix4f mat = VtkToMatrix4f(vmat);
m_Content->SetMatrix(mat);
vtkSmartPointer<vtkMatrix4x4> vmat2 = vtkSmartPointer<vtkMatrix4x4>::New();
mat = m_Content->GetWorldMatrix();
Matrix4fToVtk(mat, vmat2);
m_Transform->SetMatrix(vmat2);
m_Transform->Update();
this->Update();
}
void vtkStructuredGrid::Update() {
if (!m_Content) return;
vtkProp3D* actor = vtkProp3D::SafeDownCast(this->GetProp());
if (!actor) return;
vtkMatrix4x4* vmat = actor->GetUserMatrix();
if (!vmat) return;
Matrix4f transform = VtkToMatrix4f(vmat);
// Update uLib model's affine transform
if (m_Content->GetParent()) {
Matrix4f localT = m_Content->GetParent()->GetWorldMatrix().inverse() * transform;
m_Content->SetMatrix(localT);
} else {
m_Content->SetMatrix(transform);
}
m_Content->Updated(); // Notify others (like raytracer)
}
void vtkStructuredGrid::InstallPipe() {
vtkSmartPointer<vtkCubeSource> cube = vtkSmartPointer<vtkCubeSource>::New();
Vector3i dims = m_Content->GetDims();
cube->SetBounds(0, dims(0), 0, dims(1), 0, dims(2));
cube->Update();
vtkSmartPointer<vtkPolyDataMapper> mapper =
vtkSmartPointer<vtkPolyDataMapper>::New();
mapper->SetInputConnection(cube->GetOutputPort());
m_Actor->SetMapper(mapper);
m_Actor->GetProperty()->SetRepresentationToSurface();
m_Actor->GetProperty()->SetEdgeVisibility(true);
m_Actor->GetProperty()->SetOpacity(0.4);
m_Actor->GetProperty()->SetAmbient(0.7);
vtkNew<vtkMatrix4x4> vmat;
Matrix4fToVtk(m_Content->GetWorldMatrix(), vmat);
m_Actor->SetUserMatrix(vmat);
this->SetProp(m_Actor);
}
} // namespace Vtk
} // namespace uLib