Glassvision/IfcOpenShell
1
0
Fork 0
mirror of https://github.com/IfcOpenShell/IfcOpenShell.git synced 2026-08-10 17:58:20 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add BRepExtrema_DistShapeShape option to tree with extend keyword

Browse Source
This commit is contained in:
Thomas Krijnen
2021-04-24 11:06:13 +02:00
parent 74bbd6d116
commit e801629f86
1 changed files with 44 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/ifcgeom/IfcGeomTree.h
+44 -25
View File
@@ -30,6 +30,7 @@
#include <Bnd_Box.hxx>
#include <BRepAlgoAPI_Common.hxx>
#include <BRepAlgoAPI_Cut.hxx>
#include <BRepExtrema_DistShapeShape.hxx>
#include <BRepClass3d_SolidClassifier.hxx>
namespace IfcGeom {
@@ -38,6 +39,30 @@ namespace IfcGeom {
template <typename T>
class tree {
bool test(const TopoDS_Shape& A, const TopoDS_Shape& B, bool completely_within, double extend) const {
if (extend > 0.) {
BRepExtrema_DistShapeShape dss(A, B);
if (dss.Perform() && dss.NbSolution() >= 1) {
return dss.Value() <= extend;
}
} else if (completely_within) {
BRepAlgoAPI_Cut cut(B, A);
if (cut.IsDone()) {
if (IfcGeom::Kernel::count(cut.Shape(), TopAbs_SHELL) == 0) {
return true;
}
}
} else {
BRepAlgoAPI_Common common(A, B);
if (common.IsDone()) {
if (IfcGeom::Kernel::count(common.Shape(), TopAbs_SHELL) > 0) {
return true;
}
}
}
return false;
}
public:
void add(const T& t, const Bnd_Box& b) {
@@ -104,8 +129,8 @@ namespace IfcGeom {
}
}
std::vector<T> select(const T& t, bool completely_within = false) const {
std::vector<T> ts = select_box(t);
std::vector<T> select(const T& t, bool completely_within = false, double extend = 0.0) const {
std::vector<T> ts = select_box(t, completely_within, extend);
if (ts.empty()) {
return ts;
}
@@ -126,29 +151,18 @@ namespace IfcGeom {
continue;
}
if (completely_within) {
BRepAlgoAPI_Cut cut(B, A);
if (cut.IsDone()) {
if (IfcGeom::Kernel::count(cut.Shape(), TopAbs_SHELL) == 0) {
ts_filtered.push_back(*it);
}
}
} else {
BRepAlgoAPI_Common common(A, B);
if (common.IsDone()) {
if (IfcGeom::Kernel::count(common.Shape(), TopAbs_SHELL) > 0) {
ts_filtered.push_back(*it);
}
}
if (test(A, B, completely_within, extend)) {
ts_filtered.push_back(*it);
}
}
return ts_filtered;
}
std::vector<T> select(const TopoDS_Shape& s) const {
std::vector<T> select(const TopoDS_Shape& s, bool completely_within = false, double extend = -1.e-5) const {
Bnd_Box bb;
BRepBndLib::AddClose(s, bb);
bb.SetGap(bb.GetGap() + extend);
std::vector<T> ts;
@@ -156,7 +170,7 @@ namespace IfcGeom {
return ts;
}
ts = select_box(bb);
ts = select_box(bb, completely_within);
if (ts.empty()) {
return ts;
@@ -168,16 +182,13 @@ namespace IfcGeom {
typename std::vector<T>::const_iterator it = ts.begin();
for (it = ts.begin(); it != ts.end(); ++it) {
const TopoDS_Shape& B = shapes_.find(*it)->second;
if (IfcGeom::Kernel::count(B, TopAbs_SHELL) == 0) {
continue;
}
BRepAlgoAPI_Common common(s, B);
if (common.IsDone()) {
if (IfcGeom::Kernel::count(common.Shape(), TopAbs_SHELL) > 0) {
ts_filtered.push_back(*it);
}
if (test(s, B, completely_within, extend)) {
ts_filtered.push_back(*it);
}
}
@@ -258,6 +269,10 @@ namespace IfcGeom {
add_file(f, settings);
}
tree(IfcGeom::Iterator<double>& it) {
add_file(it);
}
void add_file(IfcParse::IfcFile& f, const IfcGeom::IteratorSettings& settings) {
IfcGeom::IteratorSettings settings_ = settings;
settings_.set(IfcGeom::IteratorSettings::DISABLE_TRIANGULATION, true);
@@ -266,10 +281,14 @@ namespace IfcGeom {
IfcGeom::Iterator<double> it(settings_, &f);
add_file(it);
}
void add_file(IfcGeom::Iterator<double>& it) {
if (it.initialize()) {
do {
IfcGeom::BRepElement<double>* elem = (IfcGeom::BRepElement<double>*)it.get();
add((IfcUtil::IfcBaseEntity*)f.instance_by_id(elem->id()), elem->geometry().as_compound());
add((IfcUtil::IfcBaseEntity*)it.file()->instance_by_id(elem->id()), elem->geometry().as_compound());
} while (it.next());
}
}