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// File: HatchGen_PointOnElement.cdl
// Created: Fri Oct 29 15:21:47 1993
// Author: Jean Marc LACHAUME
// <jml@phobox>
#include <Standard_Stream.hxx>
#include <HatchGen_PointOnElement.ixx>
//=======================================================================
// Function : HatchGen_PointOnElement
// Purpose : Constructor.
//=======================================================================
HatchGen_PointOnElement::HatchGen_PointOnElement () :
HatchGen_IntersectionPoint () ,
myType (HatchGen_UNDETERMINED)
{
}
//=======================================================================
// Function : HatchGen_PointOnElement
// Purpose : Constructor.
//=======================================================================
HatchGen_PointOnElement::HatchGen_PointOnElement (const HatchGen_PointOnElement& Point)
{
myIndex = Point.myIndex ;
myParam = Point.myParam ;
myPosit = Point.myPosit ;
myBefore = Point.myBefore ;
myAfter = Point.myAfter ;
mySegBeg = Point.mySegBeg ;
mySegEnd = Point.mySegEnd ;
myType = Point.myType ;
}
//=======================================================================
// Function : HatchGen_PointOnElement
// Purpose : Constructor.
//=======================================================================
HatchGen_PointOnElement::HatchGen_PointOnElement (const IntRes2d_IntersectionPoint& Point)
{
const IntRes2d_Transition& TrsH = Point.TransitionOfFirst() ;
const IntRes2d_Transition& TrsE = Point.TransitionOfSecond() ;
myIndex = 0 ;
myParam = Point.ParamOnSecond() ;
switch (TrsE.PositionOnCurve()) {
case IntRes2d_Head : myPosit = TopAbs_FORWARD ; break ;
case IntRes2d_Middle : myPosit = TopAbs_INTERNAL ; break ;
case IntRes2d_End : myPosit = TopAbs_REVERSED ; break ;
}
switch (TrsH.TransitionType()) {
case IntRes2d_In : {
myBefore = TopAbs_OUT ;
myAfter = TopAbs_IN ;
myType = (myPosit == TopAbs_INTERNAL) ? HatchGen_TRUE : HatchGen_TOUCH ;
break ;
}
case IntRes2d_Out : {
myBefore = TopAbs_IN ;
myAfter = TopAbs_OUT ;
myType = (myPosit == TopAbs_INTERNAL) ? HatchGen_TRUE : HatchGen_TOUCH ;
break ;
}
// Modified by Sergey KHROMOV - Fri Jan 5 12:07:34 2001 Begin
case IntRes2d_Touch : {
switch (TrsH.Situation()) {
case IntRes2d_Inside : {
myType = HatchGen_TANGENT ;
switch (myPosit) {
case TopAbs_FORWARD : {
if (TrsE.IsOpposite()) {
myBefore = TopAbs_IN;
myAfter = TopAbs_OUT;
} else {
myBefore = TopAbs_OUT;
myAfter = TopAbs_IN;
}
break ;
}
case TopAbs_INTERNAL : {
myBefore = TopAbs_IN ;
myAfter = TopAbs_IN ;
break ;
}
case TopAbs_REVERSED : {
if (TrsE.IsOpposite()) {
myBefore = TopAbs_OUT;
myAfter = TopAbs_IN;
} else {
myBefore = TopAbs_IN;
myAfter = TopAbs_OUT;
}
break ;
}
case TopAbs_EXTERNAL:
break ;
}
break ;
}
case IntRes2d_Outside : {
myType = HatchGen_TANGENT ;
switch (myPosit) {
case TopAbs_FORWARD : {
if (TrsE.IsOpposite()) {
myBefore = TopAbs_OUT;
myAfter = TopAbs_IN;
} else {
myBefore = TopAbs_IN;
myAfter = TopAbs_OUT;
}
break ;
}
case TopAbs_INTERNAL : {
myBefore = TopAbs_OUT ;
myAfter = TopAbs_OUT ;
break ;
}
case TopAbs_REVERSED : {
if (TrsE.IsOpposite()) {
myBefore = TopAbs_IN;
myAfter = TopAbs_OUT;
} else {
myBefore = TopAbs_OUT;
myAfter = TopAbs_IN;
}
break ;
}
case TopAbs_EXTERNAL:
break ;
}
break ;
}
case IntRes2d_Unknown : {
myBefore = TopAbs_UNKNOWN ;
myAfter = TopAbs_UNKNOWN ;
myType = HatchGen_TANGENT ;
break ;
}
}
break ;
}
// Modified by Sergey KHROMOV - Fri Jan 5 12:07:46 2001 End
case IntRes2d_Undecided : {
myBefore = TopAbs_UNKNOWN ;
myAfter = TopAbs_UNKNOWN ;
myType = HatchGen_UNDETERMINED ;
break ;
}
}
mySegBeg = Standard_False ;
mySegEnd = Standard_False ;
}
//=======================================================================
// Function : IsIdentical
// Purpose : Tests if the point is identical to an other.
//=======================================================================
Standard_Boolean HatchGen_PointOnElement::IsIdentical (const HatchGen_PointOnElement& Point,
const Standard_Real Confusion) const
{
Standard_Real Delta = Abs (myParam - Point.myParam) ;
return ( (Delta <= Confusion)
&& (myIndex == Point.myIndex)
&& (myPosit == Point.myPosit)
&& (myType == Point.myType)
&& (myBefore == Point.myBefore)
&& (myAfter == Point.myAfter)
&& (mySegBeg == Point.mySegBeg)
&& (mySegEnd == Point.mySegEnd)) ;
}
//=======================================================================
// Function : IsDifferent
// Purpose : Tests if the point is different from an other.
//=======================================================================
Standard_Boolean HatchGen_PointOnElement::IsDifferent (const HatchGen_PointOnElement& Point,
const Standard_Real Confusion) const
{
Standard_Real Delta = Abs (myParam - Point.myParam) ;
return ( (Delta > Confusion)
|| (myIndex != Point.myIndex)
|| (myPosit != Point.myPosit)
|| (myType != Point.myType)
|| (myBefore != Point.myBefore)
|| (myAfter != Point.myAfter)
|| (mySegBeg != Point.mySegBeg)
|| (mySegEnd != Point.mySegEnd)) ;
}
//=======================================================================
// Function : Dump
// Purpose : Dump of the point on element
//=======================================================================
void HatchGen_PointOnElement::Dump (const Standard_Integer Index) const
{
cout << " --- Point on element " ;
if (Index > 0) {
cout << "# " << setw(3) << Index << " " ;
} else {
cout << "------" ;
}
cout << "---------------" << endl ;
cout << " Index of the element = " << myIndex << endl ;
cout << " Parameter on element = " << myParam << endl ;
cout << " Position on element = " ;
switch (myPosit) {
case TopAbs_FORWARD : cout << "FORWARD (i.e. BEGIN )" ; break ;
case TopAbs_INTERNAL : cout << "INTERNAL (i.e. MIDDLE )" ; break ;
case TopAbs_REVERSED : cout << "REVERSED (i.e. END )" ; break ;
case TopAbs_EXTERNAL : cout << "EXTERNAL (i.e. UNKNOWN)" ; break ;
}
cout << endl ;
cout << " Intersection Type = " ;
switch (myType) {
case HatchGen_TRUE : cout << "TRUE" ; break ;
case HatchGen_TOUCH : cout << "TOUCH" ; break ;
case HatchGen_TANGENT : cout << "TANGENT" ; break ;
case HatchGen_UNDETERMINED : cout << "UNDETERMINED" ; break ;
}
cout << endl ;
cout << " State Before = " ;
switch (myBefore) {
case TopAbs_IN : cout << "IN" ; break ;
case TopAbs_OUT : cout << "OUT" ; break ;
case TopAbs_ON : cout << "ON" ; break ;
case TopAbs_UNKNOWN : cout << "UNKNOWN" ; break ;
}
cout << endl ;
cout << " State After = " ;
switch (myAfter) {
case TopAbs_IN : cout << "IN" ; break ;
case TopAbs_OUT : cout << "OUT" ; break ;
case TopAbs_ON : cout << "ON" ; break ;
case TopAbs_UNKNOWN : cout << "UNKNOWN" ; break ;
}
cout << endl ;
cout << " Beginning of segment = " << (mySegBeg ? "TRUE" : "FALSE") << endl ;
cout << " End of segment = " << (mySegEnd ? "TRUE" : "FALSE") << endl ;
cout << " ------------------------------------------" << endl ;
}
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