void TilerEngine::remove_duplicated_vertices(WireNetwork& wire_network, Float tol) {
const size_t num_input_vertices = wire_network.get_num_vertices();
DuplicatedVertexRemoval remover(wire_network.get_vertices(), wire_network.get_edges());
remover.run(tol);
MatrixFr vertices = remover.get_vertices();
MatrixIr edges = remover.get_faces();
VectorI index_map = remover.get_index_map();
assert(num_input_vertices == index_map.size());
wire_network.set_vertices(vertices);
wire_network.set_edges(edges);
const size_t num_output_vertices = wire_network.get_num_vertices();
std::vector<std::string> attr_names = wire_network.get_attribute_names();
for (auto itr : attr_names) {
const std::string& name = itr;
if (wire_network.is_vertex_attribute(name)) {
MatrixFr values = wire_network.get_attribute(name);
MatrixFr updated_values = MatrixFr::Zero(num_output_vertices, values.cols());
VectorF count = VectorF::Zero(num_output_vertices);
for (size_t i=0; i<num_input_vertices; i++) {
size_t j = index_map[i];
updated_values.row(j) += values.row(i);
count[j] += 1;
}
for (size_t i=0; i<num_output_vertices; i++) {
assert(count[i] > 0);
updated_values.row(i) /= count[i];
}
wire_network.set_attribute(name, updated_values);
}
}
}
void AABBTiler::evaluate_thickness_parameters(WireNetwork& wire_network,
const AABBTiler::FuncList& funcs) {
assert(m_params);
const size_t num_vertices = wire_network.get_num_vertices();
const size_t num_edges = wire_network.get_num_edges();
const size_t num_unit_vertices = m_unit_wire_network->get_num_vertices();
const size_t num_unit_edges = m_unit_wire_network->get_num_edges();
size_t num_thickness_entries, thickness_index_stride;
if (m_params->get_thickness_type() == ParameterCommon::VERTEX) {
thickness_index_stride = num_unit_vertices;
num_thickness_entries = num_vertices;
wire_network.add_attribute("thickness", true);
} else {
thickness_index_stride = num_unit_edges;
num_thickness_entries = num_edges;
wire_network.add_attribute("thickness", false);
}
MatrixFr thickness(num_thickness_entries, 1);
ParameterCommon::Variables vars;
size_t count=0;
for (auto f : funcs) {
VectorF local_thickness = m_params->evaluate_thickness(vars);
thickness.block(count * thickness_index_stride, 0,
thickness_index_stride, 1) = local_thickness;
count++;
}
wire_network.set_attribute("thickness", thickness);
}
void AABBTiler::evaluate_offset_parameters(WireNetwork& wire_network,
const AABBTiler::FuncList& funcs) {
const size_t dim = wire_network.get_dim();
const size_t num_vertices = wire_network.get_num_vertices();
const size_t num_unit_vertices = m_unit_wire_network->get_num_vertices();
wire_network.add_attribute("vertex_offset", true);
MatrixFr attr_value(num_vertices, dim);
ParameterCommon::Variables vars;
const MatrixFr& ori_vertices = m_unit_wire_network->get_vertices();
size_t count=0;
for (auto f : funcs) {
MatrixFr local_offseted_vertices = ori_vertices + m_params->evaluate_offset(vars);
attr_value.block(count * num_unit_vertices, 0,
num_unit_vertices, dim) = f(local_offseted_vertices);
count++;
}
attr_value = attr_value - wire_network.get_vertices();
wire_network.set_attribute("vertex_offset", attr_value);
}