X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=vv%2FvvMesh.cxx;h=d666a21f76a14bcc54a1e1120bb5c0e9fa9bfc0e;hb=1e034c70105f0926939acaaa27ddb46e904ae8bf;hp=5a5be2fae825c43daefd5464baf1f7f739346de9;hpb=10ec7dc09aeea303fdc6a30449ec69de2f2ccd88;p=clitk.git diff --git a/vv/vvMesh.cxx b/vv/vvMesh.cxx index 5a5be2f..d666a21 100644 --- a/vv/vvMesh.cxx +++ b/vv/vvMesh.cxx @@ -1,27 +1,20 @@ /*========================================================================= + Program: vv http://www.creatis.insa-lyon.fr/rio/vv - Program: vv - Language: C++ - Author : Joel Schaerer (joel.schaerer@insa-lyon.fr) + Authors belong to: + - University of LYON http://www.universite-lyon.fr/ + - Léon Bérard cancer center http://oncora1.lyon.fnclcc.fr + - CREATIS CNRS laboratory http://www.creatis.insa-lyon.fr -Copyright (C) 2008 -Léon Bérard cancer center http://oncora1.lyon.fnclcc.fr -CREATIS-LRMN http://www.creatis.insa-lyon.fr + This software is distributed WITHOUT ANY WARRANTY; without even + the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR + PURPOSE. See the copyright notices for more information. -This program is free software: you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation, version 3 of the License. - -This program 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 General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program. If not, see . - -=========================================================================*/ + It is distributed under dual licence + - BSD See included LICENSE.txt file + - CeCILL-B http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html +======================================================================-====*/ #include #include #include @@ -43,204 +36,192 @@ along with this program. If not, see . #include vvMesh::vvMesh() : - r(1),g(0),b(0), - slice_spacing(-1) + r(1),g(0),b(0), + slice_spacing(-1) {} void vvMesh::AddMesh(vtkPolyData* p) { - vtkPolyData * mesh=vtkPolyData::New(); - mesh->ShallowCopy(p); - meshes.push_back(mesh); + vtkPolyData * mesh=vtkPolyData::New(); + mesh->ShallowCopy(p); + meshes.push_back(mesh); } void vvMesh::ReadFromVTK(const char * filename) { - DD("hello!"); - std::string extension=itksys::SystemTools::GetFilenameLastExtension(std::string(filename)); - if (extension == ".vtk" || extension== ".VTK") - { - assert(GetNumberOfMeshes() == 0); ///We assume the object is empty - vtkSmartPointer r=vtkSmartPointer::New(); - r->SetFileName(filename); - r->Update(); - assert(r->GetOutput()); - AddMesh(r->GetOutput()); - } - else if (extension == ".obj" || extension== ".OBJ") - { - assert(GetNumberOfMeshes() == 0); ///We assume the object is empty - vtkSmartPointer r=vtkSmartPointer::New(); - r->SetFileName(filename); - r->Update(); - assert(r->GetOutput()); - AddMesh(r->GetOutput()); - } - else - assert (false) ; //shouldn't happen - - assert(GetNumberOfMeshes() != 0); ///We assume the object is empty - structure_name=filename; + DD("hello!"); + std::string extension=itksys::SystemTools::GetFilenameLastExtension(std::string(filename)); + if (extension == ".vtk" || extension== ".VTK") { + assert(GetNumberOfMeshes() == 0); ///We assume the object is empty + vtkSmartPointer r=vtkSmartPointer::New(); + r->SetFileName(filename); + r->Update(); + assert(r->GetOutput()); + AddMesh(r->GetOutput()); + } else if (extension == ".obj" || extension== ".OBJ") { + assert(GetNumberOfMeshes() == 0); ///We assume the object is empty + vtkSmartPointer r=vtkSmartPointer::New(); + r->SetFileName(filename); + r->Update(); + assert(r->GetOutput()); + AddMesh(r->GetOutput()); + } else + assert (false) ; //shouldn't happen + + assert(GetNumberOfMeshes() != 0); ///We assume the object is empty + structure_name=filename; } void vvMesh::RemoveMeshes() { - for (std::vector::const_iterator i=meshes.begin();i!=meshes.end();i++) - (*i)->Delete(); - meshes.erase(meshes.begin(),meshes.end()); + for (std::vector::const_iterator i=meshes.begin(); i!=meshes.end(); i++) + (*i)->Delete(); + meshes.erase(meshes.begin(),meshes.end()); } void vvMesh::AddMask(vtkImageData* im) { - assert(im->GetScalarType() == VTK_UNSIGNED_CHAR); - vtkImageData* image=vtkImageData::New(); - image->ShallowCopy(im); - masks.push_back(image); + assert(im->GetScalarType() == VTK_UNSIGNED_CHAR); + vtkImageData* image=vtkImageData::New(); + image->ShallowCopy(im); + masks.push_back(image); } void vvMesh::RemoveMasks() { - for (std::vector::const_iterator i=masks.begin();i!=masks.end();i++) - (*i)->Delete(); - masks.erase(masks.begin(),masks.end()); + for (std::vector::const_iterator i=masks.begin(); i!=masks.end(); i++) + (*i)->Delete(); + masks.erase(masks.begin(),masks.end()); } vvMesh::~vvMesh() { - RemoveMeshes(); - RemoveMasks(); + RemoveMeshes(); + RemoveMasks(); } void vvMesh::CopyInformation(vvMesh::Pointer input) { - r=input->r; - g=input->g; - b=input->b; - structure_name=input->structure_name; - slice_spacing=input->slice_spacing; + r=input->r; + g=input->g; + b=input->b; + structure_name=input->structure_name; + slice_spacing=input->slice_spacing; } void vvMesh::Print() const { - std::cout << this << " : " << structure_name << std::endl << "RGB: " << r << "," << g << "," << b << std::endl; - for (std::vector::const_iterator i=meshes.begin();i!=meshes.end();i++) - { - std::cout << (*i)->GetNumberOfPoints() << " points, " << (*i)->GetNumberOfCells() << " cells." << std::endl; - DDV((*i)->GetBounds(),6); - } - std::cout << "-------------------------" << std::endl << std::endl; + std::cout << this << " : " << structure_name << std::endl << "RGB: " << r << "," << g << "," << b << std::endl; + for (std::vector::const_iterator i=meshes.begin(); i!=meshes.end(); i++) { + std::cout << (*i)->GetNumberOfPoints() << " points, " << (*i)->GetNumberOfCells() << " cells." << std::endl; + DDV((*i)->GetBounds(),6); + } + std::cout << "-------------------------" << std::endl << std::endl; } void vvMesh::ComputeMasks(vtkImageData* sample,bool extrude) { - this->RemoveMasks(); - for (std::vector::iterator i=meshes.begin();i!=meshes.end();i++) - { - vtkPolyData* mesh=*i; - double *bounds=mesh->GetBounds(); - - vtkSmartPointer binary_image=vtkSmartPointer::New(); - binary_image->SetScalarTypeToUnsignedChar(); - ///Use the smallest mask in which the mesh fits - // Add two voxels on each side to make sure the mesh fits - double * samp_origin=sample->GetOrigin(); - double * spacing=sample->GetSpacing(); - binary_image->SetSpacing(spacing); - /// Put the origin on a voxel to avoid small skips - binary_image->SetOrigin(floor((bounds[0]-samp_origin[0])/spacing[0]-2)*spacing[0]+samp_origin[0], - floor((bounds[2]-samp_origin[1])/spacing[1]-2)*spacing[1]+samp_origin[1], - floor((bounds[4]-samp_origin[2])/spacing[2]-2)*spacing[2]+samp_origin[2]); - double * origin=binary_image->GetOrigin(); - binary_image->SetExtent(0,ceil((bounds[1]-origin[0])/spacing[0]+4), - 0,ceil((bounds[3]-origin[1])/spacing[1]+4), - 0,ceil((bounds[5]-origin[2])/spacing[2])+4); - binary_image->AllocateScalars(); - memset(binary_image->GetScalarPointer(),0,binary_image->GetDimensions()[0]*binary_image->GetDimensions()[1]*binary_image->GetDimensions()[2]*sizeof(unsigned char)); - - - vtkSmartPointer sts=vtkSmartPointer::New(); - //The following line is extremely important - //http://www.nabble.com/Bug-in-vtkPolyDataToImageStencil--td23368312.html#a23370933 - sts->SetTolerance(0); - sts->SetInformationInput(binary_image); - - if (extrude) - { - vtkSmartPointer extrude=vtkSmartPointer::New(); - extrude->SetInput(mesh); - ///We extrude in the -slice_spacing direction to respect the FOCAL convention - extrude->SetVector(0, 0, -slice_spacing); - sts->SetInput(extrude->GetOutput()); - } - else - sts->SetInput(mesh); - - vtkSmartPointer stencil=vtkSmartPointer::New(); - stencil->SetStencil(sts->GetOutput()); - stencil->SetInput(binary_image); - stencil->Update(); - this->AddMask(stencil->GetOutput()); - //vtkSmartPointer w = vtkSmartPointer::New(); - //w->SetInput(stencil->GetOutput()); - //w->SetFileName("binary.mhd"); - //w->Write(); - } + this->RemoveMasks(); + for (std::vector::iterator i=meshes.begin(); i!=meshes.end(); i++) { + vtkPolyData* mesh=*i; + double *bounds=mesh->GetBounds(); + + vtkSmartPointer binary_image=vtkSmartPointer::New(); + binary_image->SetScalarTypeToUnsignedChar(); + ///Use the smallest mask in which the mesh fits + // Add two voxels on each side to make sure the mesh fits + double * samp_origin=sample->GetOrigin(); + double * spacing=sample->GetSpacing(); + binary_image->SetSpacing(spacing); + /// Put the origin on a voxel to avoid small skips + binary_image->SetOrigin(floor((bounds[0]-samp_origin[0])/spacing[0]-2)*spacing[0]+samp_origin[0], + floor((bounds[2]-samp_origin[1])/spacing[1]-2)*spacing[1]+samp_origin[1], + floor((bounds[4]-samp_origin[2])/spacing[2]-2)*spacing[2]+samp_origin[2]); + double * origin=binary_image->GetOrigin(); + binary_image->SetExtent(0,ceil((bounds[1]-origin[0])/spacing[0]+4), + 0,ceil((bounds[3]-origin[1])/spacing[1]+4), + 0,ceil((bounds[5]-origin[2])/spacing[2])+4); + binary_image->AllocateScalars(); + memset(binary_image->GetScalarPointer(),0,binary_image->GetDimensions()[0]*binary_image->GetDimensions()[1]*binary_image->GetDimensions()[2]*sizeof(unsigned char)); + + + vtkSmartPointer sts=vtkSmartPointer::New(); + //The following line is extremely important + //http://www.nabble.com/Bug-in-vtkPolyDataToImageStencil--td23368312.html#a23370933 + sts->SetTolerance(0); + sts->SetInformationInput(binary_image); + + if (extrude) { + vtkSmartPointer extrude=vtkSmartPointer::New(); + extrude->SetInput(mesh); + ///We extrude in the -slice_spacing direction to respect the FOCAL convention + extrude->SetVector(0, 0, -slice_spacing); + sts->SetInput(extrude->GetOutput()); + } else + sts->SetInput(mesh); + + vtkSmartPointer stencil=vtkSmartPointer::New(); + stencil->SetStencil(sts->GetOutput()); + stencil->SetInput(binary_image); + stencil->Update(); + this->AddMask(stencil->GetOutput()); + //vtkSmartPointer w = vtkSmartPointer::New(); + //w->SetInput(stencil->GetOutput()); + //w->SetFileName("binary.mhd"); + //w->Write(); + } } void vvMesh::ComputeMeshes() { - this->RemoveMeshes(); - for (std::vector::iterator i=masks.begin();i!=masks.end();i++) - { - vtkSmartPointer marching = vtkSmartPointer::New(); - marching->SetInput(*i); - marching->SetValue(0,0.5); - marching->Update(); - this->AddMesh(marching->GetOutput()); - } + this->RemoveMeshes(); + for (std::vector::iterator i=masks.begin(); i!=masks.end(); i++) { + vtkSmartPointer marching = vtkSmartPointer::New(); + marching->SetInput(*i); + marching->SetValue(0,0.5); + marching->Update(); + this->AddMesh(marching->GetOutput()); + } } void vvMesh::propagateContour(vvImage::Pointer vf) { - assert(this->GetNumberOfMeshes() == 1); - std::vector sgrids=vf->GetVTKImages(); - vtkSmartPointer reference_mesh = vtkSmartPointer::New(); - reference_mesh->ShallowCopy(this->GetMesh(0)); - this->RemoveMeshes(); - - for (std::vector::iterator i=sgrids.begin(); - i!=sgrids.end();i++) - { - vtkPolyData* new_mesh=vtkPolyData::New(); - new_mesh->DeepCopy(reference_mesh); - double Ox=vf->GetOrigin()[0]; - double Oy=vf->GetOrigin()[1]; - double Oz=vf->GetOrigin()[2]; - double Sx=vf->GetSpacing()[0]; - double Sy=vf->GetSpacing()[1]; - double Sz=vf->GetSpacing()[2]; - int *dims=vf->GetVTKImages()[0]->GetDimensions(); - assert((*i)->GetScalarType() == VTK_FLOAT); //vfs are assumed to be of float type - assert((*i)->GetNumberOfScalarComponents() == 3); - float * vector_data=reinterpret_cast((*i)->GetScalarPointer()); - for (int j=0;jGetNumberOfPoints();j++) - { - double* old=new_mesh->GetPoint(j); - int ix=(old[0]-Ox)/Sx; - int iy=(old[1]-Oy)/Sy; - int iz=(old[2]-Oz)/Sz; - float* vector=vector_data+(ix+iy*vf->GetSize()[0]+iz*vf->GetSize()[0]*vf->GetSize()[1])*3; - if (ix>=0 && ix < dims[0] - && iy>=0 && iy < dims[1] - && iz>=0 && iz < dims[2]) - new_mesh->GetPoints()->SetPoint(j,old[0]+vector[0],old[1]+vector[1],old[2]+vector[2]); - } - this->AddMesh(new_mesh); - } - if (GetNumberOfMasks()) //If the input mesh has a mask, use it to compute the warped meshes' masks - { - vtkSmartPointer ref_mask = vtkSmartPointer::New(); - ref_mask->ShallowCopy(GetMask(0)); - this->ComputeMasks(ref_mask); + assert(this->GetNumberOfMeshes() == 1); + std::vector sgrids=vf->GetVTKImages(); + vtkSmartPointer reference_mesh = vtkSmartPointer::New(); + reference_mesh->ShallowCopy(this->GetMesh(0)); + this->RemoveMeshes(); + + for (std::vector::iterator i=sgrids.begin(); + i!=sgrids.end(); i++) { + vtkPolyData* new_mesh=vtkPolyData::New(); + new_mesh->DeepCopy(reference_mesh); + double Ox=vf->GetOrigin()[0]; + double Oy=vf->GetOrigin()[1]; + double Oz=vf->GetOrigin()[2]; + double Sx=vf->GetSpacing()[0]; + double Sy=vf->GetSpacing()[1]; + double Sz=vf->GetSpacing()[2]; + int *dims=vf->GetVTKImages()[0]->GetDimensions(); + assert((*i)->GetScalarType() == VTK_FLOAT); //vfs are assumed to be of float type + assert((*i)->GetNumberOfScalarComponents() == 3); + float * vector_data=reinterpret_cast((*i)->GetScalarPointer()); + for (int j=0; jGetNumberOfPoints(); j++) { + double* old=new_mesh->GetPoint(j); + int ix=(old[0]-Ox)/Sx; + int iy=(old[1]-Oy)/Sy; + int iz=(old[2]-Oz)/Sz; + float* vector=vector_data+(ix+iy*vf->GetSize()[0]+iz*vf->GetSize()[0]*vf->GetSize()[1])*3; + if (ix>=0 && ix < dims[0] + && iy>=0 && iy < dims[1] + && iz>=0 && iz < dims[2]) + new_mesh->GetPoints()->SetPoint(j,old[0]+vector[0],old[1]+vector[1],old[2]+vector[2]); } + this->AddMesh(new_mesh); + } + if (GetNumberOfMasks()) { //If the input mesh has a mask, use it to compute the warped meshes' masks + vtkSmartPointer ref_mask = vtkSmartPointer::New(); + ref_mask->ShallowCopy(GetMask(0)); + this->ComputeMasks(ref_mask); + } }