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Provide LARGEST_FACE_DIRECTION in geom server quantities

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This commit is contained in:
Thomas Krijnen
2019-02-15 13:46:13 +01:00
parent d583bf5284
commit 33cbcc2510
1 changed files with 26 additions and 5 deletions
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src/ifcgeomserver/IfcGeomServer.cpp
+26 -5
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@@ -91,6 +91,13 @@ std::string format_json(const std::string& s) {
return "\"" + s + "\"";
}
template <>
std::string format_json(const gp_Dir& d) {
std::stringstream ss;
ss << "[" << d.X() << "," << d.Y() << "," << d.Z() << "]";
return ss.str();
}
static std::streambuf *stdout_orig, *stdout_redir;
template <typename T>
@@ -419,6 +426,7 @@ 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";
static const std::string LARGEST_FACE_AREA = "LARGEST_FACE_AREA";
static const std::string LARGEST_FACE_DIRECTION = "LARGEST_FACE_DIRECTION";
static const std::string BOUNDING_BOX_SIZE_ALONG_ = "BOUNDING_BOX_SIZE_ALONG_";
static const std::array<std::string, 3> XYZ = { "X", "Y", "Z" };
@@ -442,8 +450,7 @@ private:
const IfcGeom::BRepElement<double, double>* elem_;
public:
QuantityWriter_v1(const IfcGeom::BRepElement<double, double>* elem) :
elem_(elem)
{
elem_(elem) {
double a, b, c, largest_face_area = 0.;
if (elem_->geometry().calculate_surface_area(a)) {
@@ -460,19 +467,33 @@ public:
put_json(SURFACE_AREA_ALONG_Z, c);
}
for (auto& part : elem->geometry()) {
TopExp_Explorer exp(part.Shape(), TopAbs_FACE);
boost::optional<gp_Dir> largest_face_dir;
{
TopoDS_Compound compound = elem_->geometry().as_compound();
TopExp_Explorer exp(compound, TopAbs_FACE);
for (; exp.More(); exp.Next()) {
GProp_GProps prop;
BRepGProp::SurfaceProperties(exp.Current(), prop);
const double area = prop.Mass();
if (area > largest_face_area) {
largest_face_area = area;
Handle(Geom_Surface) surf = BRep_Tool::Surface(TopoDS::Face(exp.Current()));
if (surf->DynamicType() == STANDARD_TYPE(Geom_Plane)) {
largest_face_dir = Handle(Geom_Plane)::DownCast(surf)->Axis().Direction();
if (exp.Current().Orientation() == TopAbs_REVERSED) {
largest_face_dir->Reverse();
}
}
}
}
}
put_json(LARGEST_FACE_AREA, largest_face_area);
if (largest_face_dir) {
put_json(LARGEST_FACE_DIRECTION, *largest_face_dir);
put_json(LARGEST_FACE_AREA, largest_face_area);
}
{
Bnd_Box box;