Glassvision/IfcOpenShell
1
0
Fork 0
mirror of https://github.com/IfcOpenShell/IfcOpenShell.git synced 2026-08-09 09:21:46 +00:00
Code Issues Packages Projects Releases Wiki Activity

Extended data backwards compatibility

Browse Source
This commit is contained in:
Thomas Krijnen
2018-11-28 10:50:09 +01:00
parent 0016256f57
commit 3d240deed1
1 changed files with 61 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/ifcgeomserver/IfcGeomServer.cpp
+61 -29
View File
@@ -51,14 +51,8 @@
#include <BRepGProp.hxx>
#include <Geom_Plane.hxx>
#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/json_parser.hpp>
#include <memory>
using namespace boost;
using boost::property_tree::ptree;
template <typename T>
union data_field {
char buffer[sizeof(T)];
@@ -224,8 +218,40 @@ public:
};
class EntityExtension {
protected:
bool trailing_, opened_;
std::stringstream json_;
template <typename T>
void put_json(const std::string& k, T v) {
if (!opened_) {
json_ << "{";
opened_ = true;
}
if (trailing_) {
json_ << ",";
}
json_ << format_json(k) << ":" << format_json(v);
trailing_ = true;
}
public:
virtual void write_contents(std::ostream& s) = 0;
EntityExtension()
: trailing_(false)
, opened_(false)
{}
void write_contents(std::ostream& s) {
if (opened_) {
json_ << "}";
}
// We do a 4-byte manual alignment
std::string payload = json_.str();
s << payload;
if (payload.size() % 4) {
s << std::string(4 - (payload.size() % 4), ' ');
}
}
};
class Entity : public Command {
@@ -374,40 +400,44 @@ static const std::string TOTAL_SHAPE_VOLUME = "TOTAL_SHAPE_VOLUME";
static const std::string SURFACE_AREA_ALONG_X = "SURFACE_AREA_ALONG_X";
static const std::string SURFACE_AREA_ALONG_Y = "SURFACE_AREA_ALONG_Y";
static const std::string SURFACE_AREA_ALONG_Z = "SURFACE_AREA_ALONG_Z";
static const std::string WALKABLE_SURFACE_AREA = "WALKABLE_SURFACE_AREA";
class QuantityWriter : public EntityExtension {
class QuantityWriter_v0 : public EntityExtension {
private:
const IfcGeom::BRepElement<float, double>* elem_;
public:
QuantityWriter(const IfcGeom::BRepElement<float, double>* elem) :
QuantityWriter_v0(const IfcGeom::BRepElement<float, double>* elem) :
elem_(elem)
{
put_json(TOTAL_SURFACE_AREA, 0.);
put_json(TOTAL_SHAPE_VOLUME, 0.);
if (elem_->type() == "IfcSpace") {
put_json(WALKABLE_SURFACE_AREA, 0.);
}
}
};
class QuantityWriter_v1 : public EntityExtension {
private:
const IfcGeom::BRepElement<float, double>* elem_;
public:
QuantityWriter_v1(const IfcGeom::BRepElement<float, double>* elem) :
elem_(elem)
{}
void write_contents(std::ostream& s) {
ptree pt;
{
double a, b, c;
if (elem_->geometry().calculate_surface_area(a)) {
pt.put(TOTAL_SURFACE_AREA, a);
put_json(TOTAL_SURFACE_AREA, a);
}
if (elem_->geometry().calculate_volume(a)) {
pt.put(TOTAL_SHAPE_VOLUME, a);
put_json(TOTAL_SHAPE_VOLUME, a);
}
if (elem_->calculate_projected_surface_area(a, b, c)) {
pt.put(SURFACE_AREA_ALONG_X, a);
pt.put(SURFACE_AREA_ALONG_Y, b);
pt.put(SURFACE_AREA_ALONG_Z, c);
}
std::ostringstream ss;
boost::property_tree::write_json(ss, pt, false);
// We do a 4-byte manual alignment
std::string payload = ss.str();
s << payload;
if (payload.size() % 4) {
s << std::string(4 - (payload.size() % 4), ' ');
put_json(SURFACE_AREA_ALONG_X, a);
put_json(SURFACE_AREA_ALONG_Y, b);
put_json(SURFACE_AREA_ALONG_Z, c);
}
}
};
@@ -480,9 +510,11 @@ int main () {
break;
}
const IfcGeom::TriangulationElement<float, double>* geom = static_cast<const IfcGeom::TriangulationElement<float, double>*>(iterator->get());
std::unique_ptr<QuantityWriter> eext;
std::unique_ptr<EntityExtension> eext;
if (emit_quantities) {
eext.reset(new QuantityWriter(iterator->get_native()));
eext.reset(new QuantityWriter_v1(iterator->get_native()));
} else {
eext.reset(new QuantityWriter_v0(iterator->get_native()));
}
Entity(geom, eext.get()).write(std::cout);
continue;