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geobim.cpp
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geobim.cpp
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/********************************************************************************
* *
* This file is part of TUDelft Esri GEOBIM. *
* *
* License: APACHE *
* *
********************************************************************************/
#include "timer.h"
#include "writer.h"
#include "processing.h"
#include "radius_execution_context.h"
#include "global_execution_context.h"
#include "radius_comparison.h"
#include "geobim.h"
#include <ifcparse/IfcLogger.h>
#include <boost/algorithm/string.hpp>
#include <boost/algorithm/string/classification.hpp>
namespace {
template <typename W>
struct output_writer {
W& w;
template <typename R>
void operator()(R& r) {
for (auto& p : r) {
w(p.first, p.second.begin(), p.second.end());
}
}
};
}
#ifdef CITYJSON_EXECUTABLE
int main(int argc, char** argv) {
Logger::SetOutput(&std::cerr, &std::cerr);
Logger::Verbosity(Logger::LOG_NOTICE);
geobim_settings settings;
parse_command_line(settings, argc, argv);
perform(settings);
}
#endif
void perform(geobim_settings settings) {
std::list<IfcGeom::Element*> discard;
perform(settings, discard);
}
void perform(geobim_settings settings, std::list<IfcGeom::Element*>& elems) {
// global_execution_context<CGAL::Simple_cartesian<double>> global_context;
// Epick seems to have better performance?
global_execution_context<CGAL::Epick> global_context;
global_execution_context<Kernel_> global_context_exact;
shape_callback callback_global;
if (settings.exact_segmentation) {
callback_global.contexts.push_back(&global_context_exact);
} else {
callback_global.contexts.push_back(&global_context);
}
#ifdef GEOBIM_DEBUG
callback.contexts.push_back(new debug_writer);
#endif
std::unique_ptr<process_geometries> p;
if (settings.radii.empty()) {
// @todo
/*
auto cec = new capturing_execution_context;
callback.contexts.push_back(cec);
p = std::make_unique<process_geometries>(settings);
(*p)(std::ref(callback));
auto R = binary_search(cec->items.begin(), cec->items.end(), { "0.001", "0.2" });
std::cout << "Largest gap found with R / 2 ~ " << R << std::endl;
*/
} else {
std::vector<std::unique_ptr<radius_execution_context>> radius_contexts;
bool first = true;
for (auto& r : settings.radii) {
// 2nd is narrower (depending on ifdef above, appears to be necessary).
radius_contexts.push_back(std::make_unique<radius_execution_context>(r, radius_settings()
.set(radius_settings::NARROWER, !first)
.set(radius_settings::MINKOWSKI_TRIANGLES, settings.minkowski_triangles)
.set(radius_settings::NO_EROSION, settings.no_erosion)
.set(radius_settings::SPHERE, settings.spherical_padding)));
first = false;
if (settings.threads) {
radius_contexts.back()->set_threads(*settings.threads);
}
}
capturing_execution_context cec;
p = std::make_unique<process_geometries>(settings);
(*p)(std::ref(cec));
{
shape_callback callback;
for (auto& c : radius_contexts) {
callback.contexts.push_back(&*c);
}
cec.run(std::ref(callback));
}
cec.run(std::ref(callback_global));
Logger::Notice("done processing geometries");
auto T1 = timer::measure("semantic_segmentation");
if (settings.exact_segmentation) {
global_context_exact.finalize();
} else {
global_context.finalize();
}
T1.stop();
for (auto& c : radius_contexts) {
if (c->empty()) {
continue;
}
c->finalize();
}
p.reset();
for (auto& c : radius_contexts) {
auto T0 = timer::measure("semantic_segmentation");
std::list<item_info*> all_infos;
if (settings.exact_segmentation) {
all_infos = global_context_exact.all_item_infos();
}
else {
all_infos = global_context.all_item_infos();
}
// pop the first 'empty' info
all_infos.pop_front();
city_json_writer write_city(settings.cityjson_output_filename.empty() ? settings.output_filename + c->radius_str + ".city.json" : settings.cityjson_output_filename);
simple_obj_writer write_obj(settings.obj_output_filename.empty() ? settings.output_filename + c->radius_str + ".obj" : settings.obj_output_filename);
external_element_collector write_elem(settings.json_output_filename.empty() ? settings.output_filename + ".external.json" : settings.json_output_filename, all_infos);
polyhedron_collector capture_polies;
boost::variant<
global_execution_context<Kernel_>::segmentation_return_type,
global_execution_context<Kernel_>::segmentation_return_type_2
> style_facet_pairs;
if (settings.spherical_padding) {
if (settings.exact_segmentation) {
style_facet_pairs = global_context_exact.segment(c->polyhedron_exterior_nm);
} else {
style_facet_pairs = global_context.segment(c->polyhedron_exterior_nm);
}
write_city.point_lookup = &c->polyhedron_exterior_nm.points;
write_obj.point_lookup = &c->polyhedron_exterior_nm.points;
write_elem.point_lookup = &c->polyhedron_exterior_nm.points;
} else if (settings.exact_segmentation) {
style_facet_pairs = global_context_exact.segment(c->polyhedron_exterior);
} else {
style_facet_pairs = global_context.segment(c->polyhedron_exterior);
}
T0.stop();
if (!settings.cityjson_output_filename.empty()) {
output_writer<city_json_writer> vis{ write_city };
boost::apply_visitor(vis, style_facet_pairs);
write_city.finalize();
}
if (!settings.obj_output_filename.empty()) {
write_obj.begin();
output_writer<simple_obj_writer> vis{ write_obj };
boost::apply_visitor(vis, style_facet_pairs);
write_obj.finalize();
}
if (!settings.json_output_filename.empty()) {
output_writer<external_element_collector> vis{ write_elem };
boost::apply_visitor(vis, style_facet_pairs);
write_elem.finalize();
}
{
output_writer<polyhedron_collector> vis{ capture_polies };
boost::apply_visitor(vis, style_facet_pairs);
write_elem.finalize();
elems.insert(elems.end(), capture_polies.elems.begin(), capture_polies.elems.end());
}
}
auto T2 = timer::measure("difference_overlay");
auto it = radius_contexts.begin();
for (auto jt = it + 1; jt != radius_contexts.end(); ++it, ++jt) {
radius_comparison difference(**it, **jt, 0.001);
simple_obj_writer obj("difference-"
+ (*it)->radius_str + "-"
+ (*jt)->radius_str);
obj(nullptr, difference.difference_poly.facets_begin(), difference.difference_poly.facets_end());
}
T2.stop();
for (auto& f : settings.file) {
delete f;
}
}
Logger::SetProduct(boost::none);
timer::log();
}