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Attacher: new mode: center of mass (point attacment)

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DeepSOIC 2016-05-03 23:30:26 +03:00 committed by wmayer
parent 71f5a8f980
commit d12141d1fb
3 changed files with 93 additions and 1 deletions
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89
src/Mod/Part/App/Attacher.cpp
View File

@ -48,6 +48,11 @@
# include <BRepBuilderAPI_MakeFace.hxx>
# include <BRepBuilderAPI_MakeEdge.hxx>
# include <BRepExtrema_DistShapeShape.hxx>
# include <TopTools_HSequenceOfShape.hxx>
# include <ShapeExtend_Explorer.hxx>
# include <GProp_GProps.hxx>
# include <GProp_PGProps.hxx>
# include <BRepGProp.hxx>
#endif
#include <BRepLProp_SLProps.hxx>
#include <GeomAPI_ProjectPointOnCurve.hxx>
@ -580,6 +585,81 @@ std::string AttachEngine::getModeName(eMapMode mmode)
return std::string(AttachEngine::eMapModeStrings[mmode]);
}
GProp_GProps AttachEngine::getInertialPropsOfShape(const std::vector<const TopoDS_Shape*> &shapes)
{
//explode compounds
TopTools_HSequenceOfShape totalSeq;
for (const TopoDS_Shape* pSh: shapes){
ShapeExtend_Explorer xp;
totalSeq.Append( xp.SeqFromCompound(*pSh, /*recursive=*/true));
}
if (totalSeq.Length() == 0)
throw Base::Exception("AttachEngine::getInertialPropsOfShape: no geometry provided");
const TopoDS_Shape &sh0 = totalSeq.Value(1);
switch (sh0.ShapeType()){
case TopAbs_VERTEX:{
GProp_PGProps gpr;
for (int i = 0 ; i < totalSeq.Length() ; i++){
const TopoDS_Shape &sh = totalSeq.Value(i+1);
if (sh.ShapeType() != TopAbs_VERTEX)
throw Base::Exception("AttachEngine::getInertialPropsOfShape: provided shapes are incompatible (not only vertices)");
gpr.AddPoint(BRep_Tool::Pnt(TopoDS::Vertex(sh)));
}
return gpr;
} break;
case TopAbs_EDGE:
case TopAbs_WIRE:{
GProp_GProps gpr_acc;
GProp_GProps gpr;
for (int i = 0 ; i < totalSeq.Length() ; i++){
const TopoDS_Shape &sh = totalSeq.Value(i+1);
if (sh.ShapeType() != TopAbs_EDGE && sh.ShapeType() != TopAbs_WIRE)
throw Base::Exception("AttachEngine::getInertialPropsOfShape: provided shapes are incompatible (not only edges/wires)");
if (sh.Infinite())
throw Base::Exception("AttachEngine::getInertialPropsOfShape: infinite shape provided");
BRepGProp::LinearProperties(sh,gpr);
gpr_acc.Add(gpr);
}
return gpr_acc;
} break;
case TopAbs_FACE:
case TopAbs_SHELL:{
GProp_GProps gpr_acc;
GProp_GProps gpr;
for (int i = 0 ; i < totalSeq.Length() ; i++){
const TopoDS_Shape &sh = totalSeq.Value(i+1);
if (sh.ShapeType() != TopAbs_FACE && sh.ShapeType() != TopAbs_SHELL)
throw Base::Exception("AttachEngine::getInertialPropsOfShape: provided shapes are incompatible (not only faces/shells)");
if (sh.Infinite())
throw Base::Exception("AttachEngine::getInertialPropsOfShape: infinite shape provided");
BRepGProp::SurfaceProperties(sh,gpr);
gpr_acc.Add(gpr);
}
return gpr_acc;
} break;
case TopAbs_SOLID:
case TopAbs_COMPSOLID:{
GProp_GProps gpr_acc;
GProp_GProps gpr;
for (int i = 0 ; i < totalSeq.Length() ; i++){
const TopoDS_Shape &sh = totalSeq.Value(i+1);
if (sh.ShapeType() != TopAbs_SOLID && sh.ShapeType() != TopAbs_COMPSOLID)
throw Base::Exception("AttachEngine::getInertialPropsOfShape: provided shapes are incompatible (not only solids/compsolids)");
if (sh.Infinite())
throw Base::Exception("AttachEngine::getInertialPropsOfShape: infinite shape provided");
BRepGProp::SurfaceProperties(sh,gpr);
gpr_acc.Add(gpr);
}
return gpr_acc;
} break;
default:
throw Base::Exception("AttachEngine::getInertialPropsOfShape: unexpected shape type");
}
assert(false);//exec shouldn't ever get here
return GProp_GProps();
}
/*!
* \brief AttachEngine3D::readLinks
* \param parts
@ -1577,6 +1657,11 @@ AttachEnginePoint::AttachEnginePoint()
modeRefTypes[mm0ProximityPoint1].push_back(s);
modeRefTypes[mm0ProximityPoint2].push_back(s);
modeRefTypes[mm0CenterOfMass].push_back(cat(rtAnything));
modeRefTypes[mm0CenterOfMass].push_back(cat(rtAnything,rtAnything));
modeRefTypes[mm0CenterOfMass].push_back(cat(rtAnything,rtAnything,rtAnything));
modeRefTypes[mm0CenterOfMass].push_back(cat(rtAnything,rtAnything,rtAnything,rtAnything));
this->EnableAllSupportedModes();
}
@ -1700,6 +1785,10 @@ Base::Placement AttachEnginePoint::calculateAttachedPlacement(Base::Placement or
else
BasePoint = p2;
}break;
case mm0CenterOfMass:{
GProp_GProps gpr = AttachEngine::getInertialPropsOfShape(shapes);
BasePoint = gpr.CentreOfMass();
}break;
default:
throwWrongMode(mmode);
}

3
src/Mod/Part/App/Attacher.h
View File

@ -39,6 +39,7 @@
#include "PartFeature.h"
#include <gp_Vec.hxx>
#include <GProp_GProps.hxx>
namespace Attacher
{
@ -304,6 +305,8 @@ public://helper functions that may be useful outside of the class
*/
static std::string getModeName(eMapMode mmode);
static GProp_GProps getInertialPropsOfShape(const std::vector<const TopoDS_Shape*> &shapes);
public: //enums
static const char* eMapModeStrings[];

2
src/Mod/Part/Gui/AttacherTexts.cpp
View File

@ -229,7 +229,7 @@ TextSet getUIStrings(Base::Type attacherType, eMapMode mmode)
qApp->translate("Attacher0D", "Center of osculating circle of an edge. Optinal vertex link defines where.","AttachmentPoint mode tooltip"));
case mm0CenterOfMass:
return TwoStrings(qApp->translate("Attacher0D", "Center of mass","AttachmentPoint mode caption"),
qApp->translate("Attacher0D", "Not implemented","AttachmentPoint mode tooltip"));
qApp->translate("Attacher0D", "Center of mass of all references (equal densities are assumed).","AttachmentPoint mode tooltip"));
case mm0Intersection:
return TwoStrings(qApp->translate("Attacher0D", "Intersection","AttachmentPoint mode caption"),
qApp->translate("Attacher0D", "Not implemented","AttachmentPoint mode tooltip"));