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OCC22357 Hidden face selection

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This commit is contained in:
bugmaster
2011-04-28 15:57:34 +00:00
committed by bugmaster
parent 256d432045
commit 4952a30a49
32 changed files with 1565 additions and 1213 deletions
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90
src/StdSelect/StdSelect_ViewerSelector3d.cxx
View File

@@ -15,6 +15,7 @@
#include <gp_Ax3.hxx>
#include <gp_GTrsf.hxx>
#include <V3d_PerspectiveView.hxx>
#include <V3d_Plane.hxx>
#include <Select3D_SensitiveEntity.hxx>
#include <Graphic3d_Array1OfVertex.hxx>
#include <SelectMgr_DataMapIteratorOfDataMapOfIntegerSensitive.hxx>
@@ -83,6 +84,7 @@ static Standard_Boolean StdSelectDebugModeOn()
StdSelect_ViewerSelector3d
::StdSelect_ViewerSelector3d():
myprj(new Select3D_Projector()),
mylastzoom(0.0),
mypixtol(2),
myupdatetol(Standard_True)
@@ -98,7 +100,7 @@ myupdatetol(Standard_True)
//==================================================
StdSelect_ViewerSelector3d
::StdSelect_ViewerSelector3d(const Select3D_Projector& aProj):
::StdSelect_ViewerSelector3d(const Handle(Select3D_Projector)& aProj):
myprj(aProj),
mylastzoom(0.0),
mypixtol(2),
@@ -147,7 +149,7 @@ void StdSelect_ViewerSelector3d
//==================================================
void StdSelect_ViewerSelector3d
::Set(const Select3D_Projector& aProj)
::Set(const Handle(Select3D_Projector)& aProj)
{
myprj = aProj;
toupdate=Standard_True;
@@ -167,7 +169,53 @@ void StdSelect_ViewerSelector3d
Standard_Real Xr3d,Yr3d,Zr3d;
gp_Pnt2d P2d;
aView->Convert(XPix,YPix,Xr3d,Yr3d,Zr3d);
myprj.Project(gp_Pnt(Xr3d,Yr3d,Zr3d),P2d);
myprj->Project(gp_Pnt(Xr3d,Yr3d,Zr3d),P2d);
// compute depth limits if clipping plane(s) enabled
gp_Lin anEyeLine = myprj->Shoot (P2d.X(), P2d.Y());
Standard_Real aPlaneA, aPlaneB, aPlaneC, aPlaneD;
Standard_Real aDepthFrom = ShortRealFirst();
Standard_Real aDepthTo = ShortRealLast();
for (aView->InitActivePlanes(); aView->MoreActivePlanes(); aView->NextActivePlanes())
{
aView->ActivePlane()->Plane (aPlaneA, aPlaneB, aPlaneC, aPlaneD);
const gp_Dir& anEyeLineDir = anEyeLine.Direction();
gp_Dir aPlaneNormal (aPlaneA, aPlaneB, aPlaneC);
Standard_Real aDotProduct = anEyeLineDir.Dot (aPlaneNormal);
Standard_Real aDirection = -(aPlaneD + anEyeLine.Location().XYZ().Dot (aPlaneNormal.XYZ()));
if (Abs (aDotProduct) < Precision::Angular())
{
// eyeline parallel to the clipping plane
if (aDirection > 0.0)
{
// invalidate the interval
aDepthTo = ShortRealFirst();
aDepthFrom = ShortRealFirst();
break;
}
// just ignore this plane
continue;
}
// compute distance along the eyeline from eyeline location to intersection with clipping plane
Standard_Real aDepth = aDirection / aDotProduct;
// reduce depth limits
if (aDotProduct < 0.0)
{
if (aDepth < aDepthTo)
{
aDepthTo = aDepth;
}
}
else if (aDepth > aDepthFrom)
{
aDepthFrom = aDepth;
}
}
myprj->DepthMinMax (aDepthFrom, aDepthTo);
InitSelect(P2d.X(),P2d.Y());
}
@@ -195,8 +243,8 @@ void StdSelect_ViewerSelector3d
gp_Pnt2d P2d_1,P2d_2;
aView->Convert(XPMin,YPMin,x1,y1,z1);
aView->Convert(XPMax,YPMax,x2,y2,z2);
myprj.Project(gp_Pnt(x1,y1,z1),P2d_1);
myprj.Project(gp_Pnt(x2,y2,z2),P2d_2);
myprj->Project(gp_Pnt(x1,y1,z1),P2d_1);
myprj->Project(gp_Pnt(x2,y2,z2),P2d_2);
InitSelect (Min(P2d_1.X(),P2d_2.X()),
Min(P2d_1.Y(),P2d_2.Y()),
@@ -236,7 +284,7 @@ void StdSelect_ViewerSelector3d
gp_Pnt2d Pnt2d;
aView->Convert (XP, YP, x, y, z);
myprj.Project (gp_Pnt (x, y, z), Pnt2d);
myprj->Project (gp_Pnt (x, y, z), Pnt2d);
P2d->SetValue (i, Pnt2d);
}
@@ -272,8 +320,8 @@ DisplayAreas(const Handle(V3d_View)& aView)
}
SelectMgr_DataMapIteratorOfDataMapOfIntegerSensitive It(myentities);
Select3D_Projector prj = StdSelect::GetProjector(aView);
prj.SetView(aView);
Handle(Select3D_Projector) prj = StdSelect::GetProjector(aView);
prj->SetView(aView);
Graphic3d_Array1OfVertex Av1 (1,5);
@@ -291,23 +339,23 @@ DisplayAreas(const Handle(V3d_View)& aView)
itb.Value().Get (xmin, ymin, xmax, ymax);
Pbid.SetCoord (xmin - mytolerance, ymin - mytolerance, 0.0);
prj.Transform (Pbid, prj.InvertedTransformation());
prj->Transform (Pbid, prj->InvertedTransformation());
Av1.SetValue (1, Graphic3d_Vertex (Pbid.X(), Pbid.Y(), Pbid.Z()));
Pbid.SetCoord (xmax + mytolerance, ymin - mytolerance, 0.0);
prj.Transform (Pbid, prj.InvertedTransformation());
prj->Transform (Pbid, prj->InvertedTransformation());
Av1.SetValue (2, Graphic3d_Vertex (Pbid.X(), Pbid.Y(), Pbid.Z()));
Pbid.SetCoord (xmax + mytolerance, ymax + mytolerance, 0.0);
prj.Transform (Pbid, prj.InvertedTransformation());
prj->Transform (Pbid, prj->InvertedTransformation());
Av1.SetValue (3, Graphic3d_Vertex (Pbid.X(), Pbid.Y(), Pbid.Z()));
Pbid.SetCoord (xmin - mytolerance, ymax + mytolerance, 0.0);
prj.Transform (Pbid, prj.InvertedTransformation());
prj->Transform (Pbid, prj->InvertedTransformation());
Av1.SetValue (4,Graphic3d_Vertex (Pbid.X(), Pbid.Y(), Pbid.Z()));
Pbid.SetCoord (xmin - mytolerance, ymin - mytolerance, 0.0);
prj.Transform (Pbid, prj.InvertedTransformation());
prj->Transform (Pbid, prj->InvertedTransformation());
Av1.SetValue (5, Graphic3d_Vertex (Pbid.X(), Pbid.Y(), Pbid.Z()));
myareagroup->Polyline (Av1);
@@ -421,14 +469,14 @@ UpdateProj(const Handle(V3d_View)& aView)
GT.SetTranslationPart (loc);
GT.SetVectorialPart (matrix);
myprj = Select3D_Projector (GT, Pers, mycoeff[9]);
myprj = new Select3D_Projector (GT, Pers, mycoeff[9]);
// SAV 08/05/02 : fix for detection problem in a perspective view
if (aView->Type() == V3d_PERSPECTIVE)
myprj.SetView (aView);
myprj->SetView (aView);
// NKV 31/07/07 : fix for detection problem in case of custom matrix
else if (aView->ViewOrientation().IsCustomMatrix())
myprj.SetView (aView);
myprj->SetView (aView);
}
if (Abs (aView->Scale() - mylastzoom) > 1.e-3)
@@ -1008,23 +1056,23 @@ ComputeAreasPrs (const Handle(SelectMgr_Selection)& Sel)
itb.Value().Get (xmin, ymin, xmax, ymax);
Pbid.SetCoord (xmin - mytolerance, ymin - mytolerance, 0.0);
myprj.Transform (Pbid, myprj.InvertedTransformation());
myprj->Transform (Pbid, myprj->InvertedTransformation());
Av1.SetValue (1, Graphic3d_Vertex (Pbid.X(), Pbid.Y(), Pbid.Z()));
Pbid.SetCoord (xmax + mytolerance, ymin - mytolerance, 0.0);
myprj.Transform (Pbid, myprj.InvertedTransformation());
myprj->Transform (Pbid, myprj->InvertedTransformation());
Av1.SetValue (2, Graphic3d_Vertex (Pbid.X(), Pbid.Y(), Pbid.Z()));
Pbid.SetCoord (xmax + mytolerance, ymax + mytolerance, 0.0);
myprj.Transform (Pbid, myprj.InvertedTransformation());
myprj->Transform (Pbid, myprj->InvertedTransformation());
Av1.SetValue (3, Graphic3d_Vertex (Pbid.X(), Pbid.Y(), Pbid.Z()));
Pbid.SetCoord (xmin - mytolerance, ymax + mytolerance, 0.0);
myprj.Transform (Pbid, myprj.InvertedTransformation());
myprj->Transform (Pbid, myprj->InvertedTransformation());
Av1.SetValue (4, Graphic3d_Vertex (Pbid.X(), Pbid.Y(), Pbid.Z()));
Pbid.SetCoord (xmin - mytolerance, ymin - mytolerance, 0.0);
myprj.Transform (Pbid, myprj.InvertedTransformation());
myprj->Transform (Pbid, myprj->InvertedTransformation());
Av1.SetValue (5, Graphic3d_Vertex (Pbid.X(), Pbid.Y(), Pbid.Z()));
myareagroup->Polyline (Av1);