Teuchos::RCP<DataTransferKit::GeometryManager<DataTransferKit::Box,long unsigned int> > MultiAppDTKUserObjectEvaluator::createSourceGeometry( const Teuchos::RCP<const Teuchos::Comm<int> >& comm ) { _boxes.resize(_multi_app.numLocalApps()); _box_ids.resize(_multi_app.numLocalApps()); // How much to inflate each bounding box by (helps with non-matching surfaces) unsigned int inflation = 0.01; comm->barrier(); for(unsigned int app=0; app<_multi_app.numLocalApps(); app++) { unsigned int global_app = _multi_app.firstLocalApp() + app; MeshTools::BoundingBox bbox = _multi_app.getBoundingBox(global_app); _boxes[app] = DataTransferKit::Box(bbox.min()(0), bbox.min()(1), bbox.min()(2), bbox.max()(0), bbox.max()(1), bbox.max()(2)); _box_ids[app] = global_app; } return Teuchos::rcp( new DataTransferKit::GeometryManager<DataTransferKit::Box,GlobalOrdinal>(_boxes, _box_ids, comm, 3)); }
void FeatureFloodCount::FeatureData::updateBBoxExtremes(MeshTools::BoundingBox & bbox, const MeshTools::BoundingBox & rhs_bbox) { for (unsigned int i = 0; i < LIBMESH_DIM; ++i) { bbox.min()(i) = std::min(bbox.min()(i), rhs_bbox.min()(i)); bbox.max()(i) = std::max(bbox.max()(i), rhs_bbox.max()(i)); } }
MeshTools::BoundingBox MultiApp::getBoundingBox(unsigned int app) { if (!_has_an_app) mooseError("No app for " << name() << " on processor " << _orig_rank); FEProblem * problem = appProblem(app); MPI_Comm swapped = Moose::swapLibMeshComm(_my_comm); MooseMesh & mesh = problem->mesh(); MeshTools::BoundingBox bbox = MeshTools::bounding_box(mesh); Moose::swapLibMeshComm(swapped); Point min = bbox.min(); Point max = bbox.max(); Point inflation_amount = (max-min)*_inflation; Point inflated_min = min - inflation_amount; Point inflated_max = max + inflation_amount; // This is where the app is located. We need to shift by this amount. Point p = position(app); Point shifted_min = inflated_min; Point shifted_max = inflated_max; // If the problem is RZ then we're going to invent a box that would cover the whole "3D" app // FIXME: Assuming all subdomains are the same coordinate system type! if (problem->getCoordSystem(*(problem->mesh().meshSubdomains().begin())) == Moose::COORD_RZ) { shifted_min(0) = -inflated_max(0); shifted_min(1) = inflated_min(1); shifted_min(2) = -inflated_max(0); shifted_max(0) = inflated_max(0); shifted_max(1) = inflated_max(1); shifted_max(2) = inflated_max(0); } // Shift them to the position they're supposed to be shifted_min += p; shifted_max += p; return MeshTools::BoundingBox(shifted_min, shifted_max); }
void ImageSampler::setupImageSampler(MooseMesh & mesh) { #ifdef LIBMESH_HAVE_VTK // Get access to the Mesh object MeshTools::BoundingBox bbox = MeshTools::bounding_box(mesh.getMesh()); // Set the dimensions from the Mesh if not set by the User if (_is_pars.isParamValid("dimensions")) _physical_dims = _is_pars.get<Point>("dimensions"); else { _physical_dims(0) = bbox.max()(0) - bbox.min()(0); #if LIBMESH_DIM > 1 _physical_dims(1) = bbox.max()(1) - bbox.min()(1); #endif #if LIBMESH_DIM > 2 _physical_dims(2) = bbox.max()(2) - bbox.min()(2); #endif } // Set the origin from the Mesh if not set in the input file if (_is_pars.isParamValid("origin")) _origin = _is_pars.get<Point>("origin"); else { _origin(0) = bbox.min()(0); #if LIBMESH_DIM > 1 _origin(1) = bbox.min()(1); #endif #if LIBMESH_DIM > 2 _origin(2) = bbox.min()(2); #endif } // An array of filenames, to be filled in std::vector<std::string> filenames; // The file suffix, to be determined std::string file_suffix; // Try to parse our own file range parameters. If that fails, then // see if the associated Mesh is an ImageMesh and use its. If that // also fails, then we have to throw an error... // // The parseFileRange method sets parameters, thus a writable reference to the InputParameters // object must be obtained from the warehouse. Generally, this should be avoided, but // this is a special case. if (_status != 0) { // We don't have parameters, so see if we can get them from ImageMesh ImageMesh * image_mesh = dynamic_cast<ImageMesh*>(&mesh); if (!image_mesh) mooseError("No file range parameters were provided and the Mesh is not an ImageMesh."); // Get the ImageMesh's parameters. This should work, otherwise // errors would already have been thrown... filenames = image_mesh->filenames(); file_suffix = image_mesh->fileSuffix(); } else { // Use our own parameters (using 'this' b/c of conflicts with filenames the local variable) filenames = this->filenames(); file_suffix = fileSuffix(); } // Storage for the file names _files = vtkSmartPointer<vtkStringArray>::New(); for (unsigned i=0; i<filenames.size(); ++i) _files->InsertNextValue(filenames[i]); // Error if no files where located if (_files->GetNumberOfValues() == 0) mooseError("No image file(s) located"); // Read the image stack. Hurray for VTK not using polymorphism in a // smart way... we actually have to explicitly create the type of // reader based on the file extension, using an if-statement... if (file_suffix == "png") _image = vtkSmartPointer<vtkPNGReader>::New(); else if (file_suffix == "tiff" || file_suffix == "tif") _image = vtkSmartPointer<vtkTIFFReader>::New(); else mooseError("Un-supported file type '" << file_suffix << "'"); // Now that _image is set up, actually read the images // Indicate that data read has started _is_console << "Reading image(s)..." << std::endl; // Extract the data _image->SetFileNames(_files); _image->Update(); _data = _image->GetOutput(); _algorithm = _image->GetOutputPort(); // Set the image dimensions and voxel size member variable int * dims = _data->GetDimensions(); for (unsigned int i = 0; i < 3; ++i) { _dims.push_back(dims[i]); _voxel.push_back(_physical_dims(i)/_dims[i]); } // Set the dimensions of the image and bounding box _data->SetSpacing(_voxel[0], _voxel[1], _voxel[2]); _data->SetOrigin(_origin(0), _origin(1), _origin(2)); _bounding_box.min() = _origin; _bounding_box.max() = _origin + _physical_dims; // Indicate data read is completed _is_console << " ...image read finished" << std::endl; // Set the component parameter // If the parameter is not set then vtkMagnitude() will applied if (_is_pars.isParamValid("component")) { unsigned int n = _data->GetNumberOfScalarComponents(); _component = _is_pars.get<unsigned int>("component"); if (_component >= n) mooseError("'component' parameter must be empty or have a value of 0 to " << n-1); } else _component = 0; // Apply filters, the toggling on and off of each filter is handled internally vtkMagnitude(); vtkShiftAndScale(); vtkThreshold(); vtkFlip(); #endif }
void ClosePackIC::computeCircleCenters() { // Determine the extents of the mesh MeshTools::BoundingBox bbox = MeshTools::bounding_box(_fe_problem.mesh().getMesh()); const Point & min = bbox.min(); const Point & max = bbox.max(); // Create the x,y,z limits for the while loops Real x_min = min(0); Real x_max = max(0) + 2*_radius; Real y_min = min(1) - 2*std::sqrt(3.0)*_radius + _radius; Real y_max = max(1) + 2*_radius; // Real z_min = min(2) - 2*std::sqrt(3.0)*_radius + _radius; Real z_max = 0; // Initialize the coordinates that will be used in looping Real x = x_min; Real y = y_min; Real z = 0; // Adjust the 3D z-dimension maximum if (_fe_problem.mesh().dimension() == 3) z_max = max(2) + 2*_radius; // Counters for offsetting every other row column in x,y dimensions unsigned int i = 0; unsigned int j = 0; while (z <= z_max) { // Offset the y-coordinate by sqrt(3)*r every other loop if (j % 2 != 0) y += std::sqrt(3)*_radius/2; while (y <= y_max) { // Offset the x-coordinate by r every other loop if (i % 2 == 0) x += _radius; while (x <= x_max) { Point p(x, y, z); _centers.push_back(p); _radii.push_back(_radius); x += 2*_radius; } // Reset x-coord and increment y-coord x = x_min; y += std::sqrt(3.)*_radius; i++; } // Reset y-coord and increment z-coord y = y_min; z += std::sqrt(3.) * _radius; j++; } }
void FeatureFloodCount::calculateBubbleVolumes() { Moose::perf_log.push("calculateBubbleVolume()", "FeatureFloodCount"); // Figure out which bubbles intersect the boundary if the user has enabled that capability. if (_compute_boundary_intersecting_volume) { // Create a std::set of node IDs which are on the boundary called all_boundary_node_ids. std::set<dof_id_type> all_boundary_node_ids; // Iterate over the boundary nodes, putting them into the std::set data structure MooseMesh::bnd_node_iterator boundary_nodes_it = _mesh.bndNodesBegin(), boundary_nodes_end = _mesh.bndNodesEnd(); for (; boundary_nodes_it != boundary_nodes_end; ++boundary_nodes_it) { BndNode * boundary_node = *boundary_nodes_it; all_boundary_node_ids.insert(boundary_node->_node->id()); } // For each of the _maps_size BubbleData lists, determine if the set // of nodes includes any boundary nodes. for (unsigned int map_num = 0; map_num < _maps_size; ++map_num) { std::list<BubbleData>::iterator bubble_it = _bubble_sets[map_num].begin(), bubble_end = _bubble_sets[map_num].end(); // Determine boundary intersection for each BubbleData object for (; bubble_it != bubble_end; ++bubble_it) bubble_it->_intersects_boundary = setsIntersect(all_boundary_node_ids.begin(), all_boundary_node_ids.end(), bubble_it->_entity_ids.begin(), bubble_it->_entity_ids.end()); } } // Size our temporary data structure std::vector<std::vector<Real> > bubble_volumes(_maps_size); for (unsigned int map_num = 0; map_num < _maps_size; ++map_num) bubble_volumes[map_num].resize(_bubble_sets[map_num].size()); // Clear pre-existing values and allocate space to store the volume // of the boundary-intersecting grains for each variable. _total_volume_intersecting_boundary.clear(); _total_volume_intersecting_boundary.resize(_maps_size); // Loop over the active local elements. For each variable, and for // each BubbleData object, check whether a majority of the element's // nodes belong to that Bubble, and if so assign the element's full // volume to that bubble. const MeshBase::const_element_iterator el_end = _mesh.getMesh().active_local_elements_end(); for (MeshBase::const_element_iterator el = _mesh.getMesh().active_local_elements_begin(); el != el_end; ++el) { Elem * elem = *el; unsigned int elem_n_nodes = elem->n_nodes(); Real curr_volume = elem->volume(); for (unsigned int map_num = 0; map_num < _maps_size; ++map_num) { std::list<BubbleData>::const_iterator bubble_it = _bubble_sets[map_num].begin(), bubble_end = _bubble_sets[map_num].end(); for (unsigned int bubble_counter = 0; bubble_it != bubble_end; ++bubble_it, ++bubble_counter) { // Count the number of nodes on this element which are flooded. unsigned int flooded_nodes = 0; for (unsigned int node = 0; node < elem_n_nodes; ++node) { dof_id_type node_id = elem->node(node); if (bubble_it->_entity_ids.find(node_id) != bubble_it->_entity_ids.end()) ++flooded_nodes; } // If a majority of the nodes for this element are flooded, // assign its volume to the current bubble_counter entry. if (flooded_nodes >= elem_n_nodes / 2) { bubble_volumes[map_num][bubble_counter] += curr_volume; // If the current bubble also intersects the boundary, also // accumlate the volume into the total volume of bubbles // which intersect the boundary. if (bubble_it->_intersects_boundary) _total_volume_intersecting_boundary[map_num] += curr_volume; } } } } // If we're calculating boundary-intersecting volumes, we have to normalize it by the // volume of the entire domain. if (_compute_boundary_intersecting_volume) { // Compute the total area using a bounding box. FIXME: this // assumes the domain is rectangular and 2D, and is probably a // little expensive so we should only do it once if possible. MeshTools::BoundingBox bbox = MeshTools::bounding_box(_mesh); Real total_volume = (bbox.max()(0)-bbox.min()(0))*(bbox.max()(1)-bbox.min()(1)); // Sum up the partial boundary grain volume contributions from all processors _communicator.sum(_total_volume_intersecting_boundary); // Scale the boundary intersecting grain volumes by the total domain volume for (unsigned int i = 0; i<_total_volume_intersecting_boundary.size(); ++i) _total_volume_intersecting_boundary[i] /= total_volume; } // Stick all the partial bubble volumes in one long single vector to be gathered on the root processor for (unsigned int map_num = 0; map_num < _maps_size; ++map_num) _all_bubble_volumes.insert(_all_bubble_volumes.end(), bubble_volumes[map_num].begin(), bubble_volumes[map_num].end()); // do all the sums! _communicator.sum(_all_bubble_volumes); std::sort(_all_bubble_volumes.begin(), _all_bubble_volumes.end(), std::greater<Real>()); Moose::perf_log.pop("calculateBubbleVolume()", "FeatureFloodCount"); }
void dataLoad(std::istream & stream, MeshTools::BoundingBox & bbox, void * context) { loadHelper(stream, bbox.min(), context); loadHelper(stream, bbox.max(), context); }
void dataStore(std::ostream & stream, MeshTools::BoundingBox & bbox, void * context) { storeHelper(stream, bbox.min(), context); storeHelper(stream, bbox.max(), context); }
void FeatureFloodCount::FeatureData::updateBBoxMax(MeshTools::BoundingBox & bbox, const Point & max) { for (unsigned int i = 0; i < LIBMESH_DIM; ++i) bbox.max()(i) = std::max(bbox.max()(i), max(i)); }