void LayeredVolume::addLayerToMesh(const MeshLib::Mesh &dem_mesh, unsigned layer_id, GeoLib::Raster const& raster)
{
const std::size_t nNodes (dem_mesh.getNNodes());
const std::vector<MeshLib::Node*> &nodes (dem_mesh.getNodes());
const std::size_t node_id_offset (_nodes.size());
const std::size_t last_layer_node_offset (node_id_offset-nNodes);
for (std::size_t i=0; i<nNodes; ++i)
_nodes.push_back(getNewLayerNode(*nodes[i], *_nodes[last_layer_node_offset + i], raster, _nodes.size()));
const std::vector<MeshLib::Element*> &layer_elements (dem_mesh.getElements());
for (MeshLib::Element* elem : layer_elements)
{
if (elem->getGeomType() == MeshLib::MeshElemType::TRIANGLE)
{
std::array<MeshLib::Node*,3> tri_nodes = {{ _nodes[node_id_offset+elem->getNodeIndex(0)],
_nodes[node_id_offset+elem->getNodeIndex(1)],
_nodes[node_id_offset+elem->getNodeIndex(2)] }};
_elements.push_back(new MeshLib::Tri(tri_nodes, layer_id));
}
else if (elem->getGeomType() == MeshLib::MeshElemType::QUAD)
{
std::array<MeshLib::Node*,4> quad_nodes = {{ _nodes[node_id_offset+elem->getNodeIndex(0)],
_nodes[node_id_offset+elem->getNodeIndex(1)],
_nodes[node_id_offset+elem->getNodeIndex(2)],
_nodes[node_id_offset+elem->getNodeIndex(3)] }};
_elements.push_back(new MeshLib::Quad(quad_nodes, layer_id));
}
}
}
void MeshLayerMapper::addLayerToMesh(const MeshLib::Mesh &dem_mesh, unsigned layer_id, GeoLib::Raster const& raster)
{
const unsigned pyramid_base[3][4] =
{
{1, 3, 4, 2}, // Point 4 missing
{2, 4, 3, 0}, // Point 5 missing
{0, 3, 4, 1}, // Point 6 missing
};
std::size_t const nNodes = dem_mesh.getNumberOfNodes();
std::vector<MeshLib::Node*> const& nodes = dem_mesh.getNodes();
int const last_layer_node_offset = layer_id * nNodes;
// add nodes for new layer
for (std::size_t i=0; i<nNodes; ++i)
_nodes.push_back(getNewLayerNode(*nodes[i], *_nodes[last_layer_node_offset + i], raster, _nodes.size()));
std::vector<MeshLib::Element*> const& elems = dem_mesh.getElements();
std::size_t const nElems (dem_mesh.getNumberOfElements());
for (std::size_t i=0; i<nElems; ++i)
{
MeshLib::Element* elem (elems[i]);
if (elem->getGeomType() != MeshLib::MeshElemType::TRIANGLE)
continue;
unsigned node_counter(3), missing_idx(0);
std::array<MeshLib::Node*, 6> new_elem_nodes;
for (unsigned j=0; j<3; ++j)
{
new_elem_nodes[j] = _nodes[_nodes[last_layer_node_offset + elem->getNodeIndex(j)]->getID()];
new_elem_nodes[node_counter] = (_nodes[last_layer_node_offset + elem->getNodeIndex(j) + nNodes]);
if (new_elem_nodes[j]->getID() != new_elem_nodes[node_counter]->getID())
node_counter++;
else
missing_idx = j;
}
switch (node_counter)
{
case 6:
_elements.push_back(new MeshLib::Prism(new_elem_nodes));
_materials.push_back(layer_id);
break;
case 5:
std::array<MeshLib::Node*, 5> pyramid_nodes;
pyramid_nodes[0] = new_elem_nodes[pyramid_base[missing_idx][0]];
pyramid_nodes[1] = new_elem_nodes[pyramid_base[missing_idx][1]];
pyramid_nodes[2] = new_elem_nodes[pyramid_base[missing_idx][2]];
pyramid_nodes[3] = new_elem_nodes[pyramid_base[missing_idx][3]];
pyramid_nodes[4] = new_elem_nodes[missing_idx];
_elements.push_back(new MeshLib::Pyramid(pyramid_nodes));
_materials.push_back(layer_id);
break;
case 4:
std::array<MeshLib::Node*, 4> tet_nodes;
std::copy(new_elem_nodes.begin(), new_elem_nodes.begin() + node_counter, tet_nodes.begin());
_elements.push_back(new MeshLib::Tet(tet_nodes));
_materials.push_back(layer_id);
break;
default:
continue;
}
}
}
