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// File V3d_Plane.cxx
// Created September 1992
// Author GG
//-Copyright MatraDatavision 1991,1992
//-Version
//-Design
//-Warning
//-References
//-Language C++ 2.1
#include <V3d.hxx>
#include <V3d_Plane.ixx>
#include <Viewer_BadValue.hxx>
#include <Graphic3d_Group.hxx>
#include <Graphic3d_Array1OfVertex.hxx>
#include <Graphic3d_AspectFillArea3d.hxx>
#include <gp_Pln.hxx>
//-Constructors
V3d_Plane::V3d_Plane(const Standard_Real A, const Standard_Real B, const Standard_Real C, const Standard_Real D) {
Viewer_BadValue_Raise_if( sqrt(A*A + B*B + C*C) <= 0., "V3d_Plane::V3d_Plane, bad plane coefficients");
MyPlane = new Visual3d_ClipPlane(A,B,C,D) ;
}
//-Methods, in order
void V3d_Plane::SetPlane( const Standard_Real A, const Standard_Real B, const Standard_Real C, const Standard_Real D) {
Viewer_BadValue_Raise_if( sqrt(A*A + B*B + C*C) <= 0., "V3d_Plane::SetPlane, bad plane coefficients");
MyPlane->SetPlane(A,B,C,D) ;
if( IsDisplayed() ) {
Update();
}
}
void V3d_Plane::Display(const Handle(V3d_View)& aView,
const Quantity_Color& aColor) {
Handle(V3d_Viewer) theViewer = aView->Viewer();
if (!MyGraphicStructure.IsNull()) {
MyGraphicStructure->Clear();
}
Standard_Real size = theViewer->DefaultViewSize();
Standard_Real offset = size/10000.;
MyGraphicStructure = new Graphic3d_Structure(theViewer->Viewer());
Handle(Graphic3d_Group) group = new Graphic3d_Group(MyGraphicStructure);
Handle(Graphic3d_AspectFillArea3d) aspect =
new Graphic3d_AspectFillArea3d();
Graphic3d_MaterialAspect plastic(Graphic3d_NOM_PLASTIC);
plastic.SetColor(aColor);
plastic.SetTransparency(0.5);
aView->SetTransparency(Standard_True);
aspect->SetFrontMaterial(plastic);
// aspect->SetInteriorStyle (Aspect_IS_SOLID);
aspect->SetInteriorStyle (Aspect_IS_HATCH);
aspect->SetHatchStyle (Aspect_HS_GRID_DIAGONAL_WIDE);
MyGraphicStructure->SetPrimitivesAspect(aspect);
Graphic3d_Array1OfVertex p(1,4);
p(1).SetCoord(-size/2.,-size/2.,offset);
p(2).SetCoord(-size/2., size/2.,offset);
p(3).SetCoord( size/2., size/2.,offset);
p(4).SetCoord( size/2.,-size/2.,offset);
group->Polygon(p);
MyGraphicStructure->Display(0);
Update();
}
void V3d_Plane::Erase() {
if (!MyGraphicStructure.IsNull()) MyGraphicStructure->Erase();
}
void V3d_Plane::Plane(Standard_Real& A, Standard_Real& B, Standard_Real& C, Standard_Real& D)const {
MyPlane->Plane(A,B,C,D) ;
}
Handle(Visual3d_ClipPlane) V3d_Plane::Plane()const {
return MyPlane ;
}
Standard_Boolean V3d_Plane::IsDisplayed() const {
if( MyGraphicStructure.IsNull() ) return Standard_False;
return MyGraphicStructure->IsDisplayed();
}
void V3d_Plane::Update() {
if( !MyGraphicStructure.IsNull() ) {
TColStd_Array2OfReal matrix(1,4,1,4);
Standard_Real A,B,C,D;
MyPlane->Plane(A,B,C,D) ;
gp_Pln plan(A,B,C,D);
gp_Trsf trsf;
trsf.SetTransformation(plan.Position());
trsf.Invert();
for (Standard_Integer i=1; i<=3; i++){
for (Standard_Integer j=1; j<=4; j++){
matrix.SetValue(i,j,trsf.Value(i,j));
}
}
matrix.SetValue(4,1,0.);
matrix.SetValue(4,2,0.);
matrix.SetValue(4,3,0.);
matrix.SetValue(4,4,1.);
MyGraphicStructure->SetTransform(matrix,Graphic3d_TOC_REPLACE);
}
}
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