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Include-what-you-use

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Thomas Krijnen
2022-06-15 13:41:13 +02:00
parent 124f786007
commit bc2d76e685
102 changed files with 884 additions and 5721 deletions
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src/ifcgeom/IfcGeomRepresentation.cpp
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/********************************************************************************
* *
* This file is part of IfcOpenShell. *
* *
* IfcOpenShell is free software: you can redistribute it and/or modify *
* it under the terms of the Lesser GNU General Public License as published by *
* the Free Software Foundation, either version 3.0 of the License, or *
* (at your option) any later version. *
* *
* IfcOpenShell is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* Lesser GNU General Public License for more details. *
* *
* You should have received a copy of the Lesser GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
* *
********************************************************************************/
#include <BRep_Tool.hxx>
#include <BRepTools.hxx>
#include <BRep_Builder.hxx>
#include <TopoDS_Compound.hxx>
#include <Geom_Plane.hxx>
#include <GProp_GProps.hxx>
#include <BRepGProp.hxx>
#include "../ifcgeom/IfcGeom.h"
#include "IfcGeomRepresentation.h"
IfcGeom::Representation::Serialization::Serialization(const BRep& brep)
: Representation(brep.settings())
, id_(brep.id())
{
TopoDS_Compound compound = brep.as_compound();
for (IfcGeom::IfcRepresentationShapeItems::const_iterator it = brep.begin(); it != brep.end(); ++ it) {
int sid = -1;
if (it->hasStyle() && it->Style().Diffuse()) {
const IfcGeom::SurfaceStyle::ColorComponent& clr = *it->Style().Diffuse();
surface_styles_.push_back(clr.R());
surface_styles_.push_back(clr.G());
surface_styles_.push_back(clr.B());
sid = it->Style().Id().get_value_or(-1);
} else {
surface_styles_.push_back(-1.);
surface_styles_.push_back(-1.);
surface_styles_.push_back(-1.);
}
if (it->hasStyle() && it->Style().Transparency()) {
surface_styles_.push_back(1. - *it->Style().Transparency());
} else {
surface_styles_.push_back(1.);
}
surface_style_ids_.push_back(sid);
}
std::stringstream sstream;
BRepTools::Write(compound,sstream);
brep_data_ = sstream.str();
}
// todo copied from kernel
#include <BRepBuilderAPI_Transform.hxx>
#include <BRepBuilderAPI_GTransform.hxx>
TopoDS_Shape apply_transformation(const TopoDS_Shape& s, const gp_Trsf& t) {
if (t.Form() == gp_Identity) {
return s;
} else {
/// @todo set to 1. and exactly 1. or use epsilon?
if (t.ScaleFactor() != 1.) {
return BRepBuilderAPI_Transform(s, t, true);
} else {
return s.Moved(t);
}
}
}
TopoDS_Shape apply_transformation(const TopoDS_Shape& s, const gp_GTrsf& t) {
if (t.Form() == gp_Other) {
return BRepBuilderAPI_GTransform(s, t, true);
} else {
return apply_transformation(s, t.Trsf());
}
}
TopoDS_Compound IfcGeom::Representation::BRep::as_compound(bool force_meters) const {
TopoDS_Compound compound;
BRep_Builder builder;
builder.MakeCompound(compound);
for (IfcGeom::IfcRepresentationShapeItems::const_iterator it = begin(); it != end(); ++it) {
const TopoDS_Shape& s = it->Shape();
gp_GTrsf trsf = it->Placement();
if (!force_meters && settings().get(IteratorSettings::CONVERT_BACK_UNITS)) {
gp_Trsf scale;
scale.SetScaleFactor(1.0 / settings().unit_magnitude());
trsf.PreMultiply(scale);
}
const TopoDS_Shape moved_shape = apply_transformation(s, trsf);
builder.Add(compound, moved_shape);
}
return compound;
}
namespace {
void accumulate(const gp_Ax3& ax, const gp_Dir& normal, double area, double& along_x, double& along_y, double& along_z) {
along_x += area * fabs(ax.XDirection().Dot(normal));
along_y += area * fabs(ax.YDirection().Dot(normal));
along_z += area * fabs(ax.Direction().Dot(normal));
}
void surface_area_along_direction(double tol, const TopoDS_Shape& s, const gp_Ax3& ax, double& along_x, double& along_y, double& along_z) {
along_x = along_y = along_z = 0.;
bool meshed = false;
TopExp_Explorer exp(s, TopAbs_FACE);
for (; exp.More(); exp.Next()) {
const TopoDS_Face& face = TopoDS::Face(exp.Current());
Handle(Geom_Surface) surf = BRep_Tool::Surface(face);
Handle(Geom_Plane) plane = Handle(Geom_Plane)::DownCast(surf);
if (surf->DynamicType() == STANDARD_TYPE(Geom_Plane)) {
GProp_GProps prop_area;
BRepGProp::SurfaceProperties(face, prop_area);
const double area = prop_area.Mass();
accumulate(ax, plane->Position().Direction(), area, along_x, along_y, along_z);
} else {
if (!meshed) {
try {
BRepMesh_IncrementalMesh(s, tol);
} catch (...) {
Logger::Message(Logger::LOG_ERROR, "Failed to triangulate shape");
return;
}
meshed = true;
}
TopLoc_Location loc;
Handle(Poly_Triangulation) tri = BRep_Tool::Triangulation(face, loc);
if (!tri.IsNull()) {
std::vector<gp_XYZ> coords;
coords.reserve(tri->NbNodes());
for (int i = 1; i <= tri->NbNodes(); ++i) {
coords.push_back(tri->Node(i).Transformed(loc).XYZ());
}
const Poly_Array1OfTriangle& triangles = tri->Triangles();
for (int i = 1; i <= triangles.Length(); ++i) {
int n1, n2, n3;
if (face.Orientation() == TopAbs_REVERSED) {
triangles(i).Get(n3, n2, n1);
} else {
triangles(i).Get(n1, n2, n3);
}
const gp_XYZ& pt1 = coords[n1 - 1];
const gp_XYZ& pt2 = coords[n2 - 1];
const gp_XYZ& pt3 = coords[n3 - 1];
const gp_Vec v1 = pt2 - pt1;
const gp_Vec v2 = pt3 - pt2;
const gp_Vec v3 = pt1 - pt3;
const gp_Vec normal_vector = v1 ^ v2;
if (normal_vector.Magnitude() > ALMOST_ZERO) {
gp_Dir normal = gp_Dir();
double edge_lengths[3] = { v1.Magnitude(), v2.Magnitude(), v3.Magnitude() };
std::sort(&edge_lengths[0], &edge_lengths[2]);
const double& a = edge_lengths[0];
const double& b = edge_lengths[1];
const double& c = edge_lengths[2];
const double area = 0.25 * sqrt((a + (b + c))*(c - (a - b))*(c + (a - b))*(a + (b - c)));
accumulate(ax, normal, area, along_x, along_y, along_z);
}
}
}
}
}
}
}
bool IfcGeom::Representation::BRep::calculate_surface_area(double& area) const {
try {
area = 0.;
for (IfcGeom::IfcRepresentationShapeItems::const_iterator it = begin(); it != end(); ++it) {
GProp_GProps prop;
BRepGProp::SurfaceProperties(it->Shape(), prop);
area += prop.Mass();
}
return true;
} catch (...) {
Logger::Error("Error during calculation of surface area");
return false;
}
}
bool IfcGeom::Representation::BRep::calculate_volume(double& volume) const {
try {
volume = 0.;
for (IfcGeom::IfcRepresentationShapeItems::const_iterator it = begin(); it != end(); ++it) {
if (Kernel::is_manifold(it->Shape())) {
GProp_GProps prop;
BRepGProp::VolumeProperties(it->Shape(), prop);
volume += prop.Mass();
} else {
return false;
}
}
return true;
} catch (...) {
Logger::Error("Error during calculation of volume");
return false;
}
}
bool IfcGeom::Representation::BRep::calculate_projected_surface_area(const gp_Ax3 & ax, double & along_x, double & along_y, double & along_z) const {
try {
along_x = along_y = along_z = 0.;
for (IfcGeom::IfcRepresentationShapeItems::const_iterator it = begin(); it != end(); ++it) {
double x, y, z;
surface_area_along_direction(settings().deflection_tolerance(), it->Shape(), ax, x, y, z);
if (Kernel::is_manifold(it->Shape())) {
x /= 2.;
y /= 2.;
z /= 2.;
}
along_x += x;
along_y += y;
along_z += z;
}
return true;
} catch (...) {
Logger::Error("Error during calculation of projected surface area");
return false;
}
}