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0025332: Visualization - rewrite MinMaxValues methods to using of Bnd_Box

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This commit is contained in:
osa
2014-10-14 18:27:57 +04:00
committed by bugmaster
parent e1cbc34c5f
commit ed06327034
14 changed files with 251 additions and 352 deletions
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27
src/Bnd/Bnd_Box.cdl
View File

@@ -111,13 +111,30 @@ is
-- increased by the same amount.
is static;
Get(me; aXmin, aYmin, aZmin, aXmax, aYmax, aZmax : out Real)
---Purpose: Returns the bounds of this bounding box. The gap is included.
-- If this bounding box is infinite (i.e. "open"), returned values
-- may be equal to +/- Precision::Infinite().
Get (me; theXmin, theYmin, theZmin, theXmax, theYmax, theZmax : out Real)
---Purpose: Returns the bounds of this bounding box. The gap is included.
-- If this bounding box is infinite (i.e. "open"), returned values
-- may be equal to +/- Precision::Infinite().
-- Standard_ConstructionError exception will be thrown if the box is void.
raises ConstructionError -- if IsVoid()
is static;
CornerMin(me) returns Pnt from gp
---Purpose: Returns the lower corner of this bounding box. The gap is included.
-- If this bounding box is infinite (i.e. "open"), returned values
-- may be equal to +/- Precision::Infinite().
-- Standard_ConstructionError exception will be thrown if the box is void.
raises ConstructionError -- if IsVoid()
is static;
CornerMax(me) returns Pnt from gp
---Purpose: Returns the upper corner of this bounding box. The gap is included.
-- If this bounding box is infinite (i.e. "open"), returned values
-- may be equal to +/- Precision::Infinite().
-- Standard_ConstructionError exception will be thrown if the box is void.
raises ConstructionError -- if IsVoid()
is static;
OpenXmin(me : in out)
---Purpose: The Box will be infinitely long in the Xmin
-- direction.

85
src/Bnd/Bnd_Box.cxx
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@@ -201,27 +201,74 @@ void Bnd_Box::Enlarge (const Standard_Real Tol)
//purpose :
//=======================================================================
void Bnd_Box::Get (Standard_Real& x,
Standard_Real& y,
Standard_Real& z,
Standard_Real& X,
Standard_Real& Y,
Standard_Real& Z) const
void Bnd_Box::Get (Standard_Real& theXmin,
Standard_Real& theYmin,
Standard_Real& theZmin,
Standard_Real& theXmax,
Standard_Real& theYmax,
Standard_Real& theZmax) const
{
if (VoidFlag())
{
Standard_ConstructionError::Raise ("Bnd_Box is void");
}
if (XminFlag()) theXmin = -Bnd_Precision_Infinite;
else theXmin = Xmin - Gap;
if (XmaxFlag()) theXmax = Bnd_Precision_Infinite;
else theXmax = Xmax + Gap;
if (YminFlag()) theYmin = -Bnd_Precision_Infinite;
else theYmin = Ymin - Gap;
if (YmaxFlag()) theYmax = Bnd_Precision_Infinite;
else theYmax = Ymax + Gap;
if (ZminFlag()) theZmin = -Bnd_Precision_Infinite;
else theZmin = Zmin - Gap;
if (ZmaxFlag()) theZmax = Bnd_Precision_Infinite;
else theZmax = Zmax + Gap;
}
//=======================================================================
//function : CornerMin
//purpose :
//=======================================================================
gp_Pnt Bnd_Box::CornerMin() const
{
gp_Pnt aCornerMin;
if (VoidFlag())
{
Standard_ConstructionError::Raise ("Bnd_Box is void");
return aCornerMin;
}
if (XminFlag()) aCornerMin.SetX (-Bnd_Precision_Infinite);
else aCornerMin.SetX (Xmin - Gap);
if (YminFlag()) aCornerMin.SetY (-Bnd_Precision_Infinite);
else aCornerMin.SetY (Ymin - Gap);
if (ZminFlag()) aCornerMin.SetZ (-Bnd_Precision_Infinite);
else aCornerMin.SetZ (Zmin - Gap);
return aCornerMin;
}
//=======================================================================
//function : CornerMax
//purpose :
//=======================================================================
gp_Pnt Bnd_Box::CornerMax() const
{
gp_Pnt aCornerMax;
if(VoidFlag())
Standard_ConstructionError::Raise("Bnd_Box is void");
if (XminFlag()) x = -Bnd_Precision_Infinite;
else x = Xmin-Gap;
if (XmaxFlag()) X = Bnd_Precision_Infinite;
else X = Xmax+Gap;
if (YminFlag()) y = -Bnd_Precision_Infinite;
else y = Ymin-Gap;
if (YmaxFlag()) Y = Bnd_Precision_Infinite;
else Y = Ymax+Gap;
if (ZminFlag()) z = -Bnd_Precision_Infinite;
else z = Zmin-Gap;
if (ZmaxFlag()) Z = Bnd_Precision_Infinite;
else Z = Zmax+Gap;
{
Standard_ConstructionError::Raise ("Bnd_Box is void");
return aCornerMax;
}
if (XmaxFlag()) aCornerMax.SetX (Bnd_Precision_Infinite);
else aCornerMax.SetX (Xmax + Gap);
if (YminFlag()) aCornerMax.SetY (Bnd_Precision_Infinite);
else aCornerMax.SetY (Ymax + Gap);
if (ZminFlag()) aCornerMax.SetZ (Bnd_Precision_Infinite);
else aCornerMax.SetZ (Zmax + Gap);
return aCornerMax;
}
//=======================================================================

3
src/Graphic3d/Graphic3d.cdl
View File

@@ -72,7 +72,8 @@ uses
WNT,
Image,
gp,
Font
Font,
Bnd
is
-----------------------

82
src/Graphic3d/Graphic3d_Camera.cxx
View File

@@ -22,6 +22,8 @@
#include <Standard_Atomic.hxx>
#include <Standard_Assert.hxx>
#include <NCollection_Sequence.hxx>
IMPLEMENT_STANDARD_HANDLE(Graphic3d_Camera, Standard_Transient)
IMPLEMENT_STANDARD_RTTIEXT(Graphic3d_Camera, Standard_Transient)
@@ -983,17 +985,7 @@ void Graphic3d_Camera::ZFitAll (const Standard_Real theScaleFactor, const Bnd_Bo
// should be computed using information on boundaries of primary application actors,
// (e.g. representing the displayed model) - to ensure that they are not unreasonably clipped.
Standard_Real aMinMax[6]; // applicative min max boundaries
theMinMax.Get (aMinMax[0], aMinMax[1], aMinMax[2], aMinMax[3], aMinMax[4], aMinMax[5]);
Standard_Real aGraphicBB[6]; // real graphical boundaries (not accounting infinite flag).
theGraphicBB.Get (aGraphicBB[0], aGraphicBB[1], aGraphicBB[2], aGraphicBB[3], aGraphicBB[4], aGraphicBB[5]);
// Check if anything can be adjusted
Standard_Real aLim = (ShortRealLast() - 1.0);
if (Abs (aGraphicBB[0]) > aLim || Abs (aGraphicBB[1]) > aLim || Abs (aGraphicBB[2]) > aLim ||
Abs (aGraphicBB[3]) > aLim || Abs (aGraphicBB[4]) > aLim || Abs (aGraphicBB[5]) > aLim)
if (theGraphicBB.IsVoid())
{
// ShortReal precision factor used to add meaningful tolerance to
// ZNear, ZFar values in order to avoid equality after type conversion
@@ -1023,26 +1015,34 @@ void Graphic3d_Camera::ZFitAll (const Standard_Real theScaleFactor, const Bnd_Bo
}
// Measure depth of boundary points from camera eye
gp_Pnt aPntsToMeasure[16] =
{
gp_Pnt (aMinMax[0], aMinMax[1], aMinMax[2]),
gp_Pnt (aMinMax[0], aMinMax[1], aMinMax[5]),
gp_Pnt (aMinMax[0], aMinMax[4], aMinMax[2]),
gp_Pnt (aMinMax[0], aMinMax[4], aMinMax[5]),
gp_Pnt (aMinMax[3], aMinMax[1], aMinMax[2]),
gp_Pnt (aMinMax[3], aMinMax[1], aMinMax[5]),
gp_Pnt (aMinMax[3], aMinMax[4], aMinMax[2]),
gp_Pnt (aMinMax[3], aMinMax[4], aMinMax[5]),
NCollection_Sequence<gp_Pnt> aPntsToMeasure;
gp_Pnt (aGraphicBB[0], aGraphicBB[1], aGraphicBB[2]),
gp_Pnt (aGraphicBB[0], aGraphicBB[1], aGraphicBB[5]),
gp_Pnt (aGraphicBB[0], aGraphicBB[4], aGraphicBB[2]),
gp_Pnt (aGraphicBB[0], aGraphicBB[4], aGraphicBB[5]),
gp_Pnt (aGraphicBB[3], aGraphicBB[1], aGraphicBB[2]),
gp_Pnt (aGraphicBB[3], aGraphicBB[1], aGraphicBB[5]),
gp_Pnt (aGraphicBB[3], aGraphicBB[4], aGraphicBB[2]),
gp_Pnt (aGraphicBB[3], aGraphicBB[4], aGraphicBB[5])
};
Standard_Real aGraphicBB[6]; // real graphical boundaries (not accounting infinite flag).
theGraphicBB.Get (aGraphicBB[0], aGraphicBB[1], aGraphicBB[2], aGraphicBB[3], aGraphicBB[4], aGraphicBB[5]);
aPntsToMeasure.Append (gp_Pnt (aGraphicBB[0], aGraphicBB[1], aGraphicBB[2]));
aPntsToMeasure.Append (gp_Pnt (aGraphicBB[0], aGraphicBB[1], aGraphicBB[5]));
aPntsToMeasure.Append (gp_Pnt (aGraphicBB[0], aGraphicBB[4], aGraphicBB[2]));
aPntsToMeasure.Append (gp_Pnt (aGraphicBB[0], aGraphicBB[4], aGraphicBB[5]));
aPntsToMeasure.Append (gp_Pnt (aGraphicBB[3], aGraphicBB[1], aGraphicBB[2]));
aPntsToMeasure.Append (gp_Pnt (aGraphicBB[3], aGraphicBB[1], aGraphicBB[5]));
aPntsToMeasure.Append (gp_Pnt (aGraphicBB[3], aGraphicBB[4], aGraphicBB[2]));
aPntsToMeasure.Append (gp_Pnt (aGraphicBB[3], aGraphicBB[4], aGraphicBB[5]));
if (!theMinMax.IsVoid() && !theMinMax.IsWhole())
{
Standard_Real aMinMax[6]; // applicative min max boundaries
theMinMax.Get (aMinMax[0], aMinMax[1], aMinMax[2], aMinMax[3], aMinMax[4], aMinMax[5]);
aPntsToMeasure.Append (gp_Pnt (aMinMax[0], aMinMax[1], aMinMax[2]));
aPntsToMeasure.Append (gp_Pnt (aMinMax[0], aMinMax[1], aMinMax[5]));
aPntsToMeasure.Append (gp_Pnt (aMinMax[0], aMinMax[4], aMinMax[2]));
aPntsToMeasure.Append (gp_Pnt (aMinMax[0], aMinMax[4], aMinMax[5]));
aPntsToMeasure.Append (gp_Pnt (aMinMax[3], aMinMax[1], aMinMax[2]));
aPntsToMeasure.Append (gp_Pnt (aMinMax[3], aMinMax[1], aMinMax[5]));
aPntsToMeasure.Append (gp_Pnt (aMinMax[3], aMinMax[4], aMinMax[2]));
aPntsToMeasure.Append (gp_Pnt (aMinMax[3], aMinMax[4], aMinMax[5]));
}
// Camera eye plane
gp_Dir aCamDir = Direction();
@@ -1057,18 +1057,15 @@ void Graphic3d_Camera::ZFitAll (const Standard_Real theScaleFactor, const Bnd_Bo
const gp_XYZ& anAxialScale = myAxialScale;
// Get minimum and maximum distances to the eye plane
for (Standard_Integer aPntIt = 0; aPntIt < 16; ++aPntIt)
Standard_Integer aCounter = 0;
NCollection_Sequence<gp_Pnt>::Iterator aPntIt(aPntsToMeasure);
for (; aPntIt.More(); aPntIt.Next())
{
gp_Pnt aMeasurePnt = aPntsToMeasure[aPntIt];
if (Abs (aMeasurePnt.X()) > aLim || Abs (aMeasurePnt.Y()) > aLim || Abs (aMeasurePnt.Z()) > aLim)
{
continue;
}
gp_Pnt aMeasurePnt = aPntIt.Value();
aMeasurePnt = gp_Pnt (aMeasurePnt.X() * anAxialScale.X(),
aMeasurePnt.Y() * anAxialScale.Y(),
aMeasurePnt.Z() * anAxialScale.Z());
aMeasurePnt.Y() * anAxialScale.Y(),
aMeasurePnt.Z() * anAxialScale.Z());
Standard_Real aDistance = aCamPln.Distance (aMeasurePnt);
@@ -1078,10 +1075,13 @@ void Graphic3d_Camera::ZFitAll (const Standard_Real theScaleFactor, const Bnd_Bo
aDistance *= -1;
}
Standard_Real& aChangeMinDist = aPntIt >= 8 ? aGraphicMinDist : aModelMinDist;
Standard_Real& aChangeMaxDist = aPntIt >= 8 ? aGraphicMaxDist : aModelMaxDist;
// the first eight points are from theGraphicBB, the last eight points are from theMinMax
// (they can be absent).
Standard_Real& aChangeMinDist = aCounter >= 8 ? aModelMinDist : aGraphicMinDist;
Standard_Real& aChangeMaxDist = aCounter >= 8 ? aModelMaxDist : aGraphicMaxDist;
aChangeMinDist = Min (aDistance, aChangeMinDist);
aChangeMaxDist = Max (aDistance, aChangeMaxDist);
aCounter++;
}
// Compute depth of bounding box center

14
src/Graphic3d/Graphic3d_Structure.cdl
View File

@@ -73,7 +73,8 @@ uses
Pnt from gp,
SequenceOfHClipPlane from Graphic3d,
BndBox4f from Graphic3d,
BndBox4d from Graphic3d
BndBox4d from Graphic3d,
Box from Bnd
raises
@@ -574,10 +575,8 @@ is
---Purpose: Returns the current group of graphic attributes used
-- for 3d marker primitives.
MinMaxValues (me;
theXMin, theYMin, theZMin : out Real from Standard;
theXMax, theYMax, theZMax : out Real from Standard;
theToIgnoreInfiniteFlag : Boolean from Standard = Standard_False)
MinMaxValues (me; theToIgnoreInfiniteFlag : Boolean from Standard = Standard_False)
returns Box from Bnd
is static;
---Level: Public
---Purpose: Returns the coordinates of the boundary box of the structure <me>.
@@ -587,9 +586,8 @@ is
-- of the structure. This approach generally used for application
-- specific fit operation (e.g. fitting the model into screen,
-- not taking into accout infinite helper elements).
-- Warning: If the structure <me> is empty or infinite then :
-- theXMin = theYMin = theZMin = RealFirst ().
-- theXMax = theYMax = theZMax = RealLast ().
-- Warning: If the structure <me> is empty then the empty box is returned,
-- If the structure <me> is infinite then the whole box is returned.
---Category: Inquire methods
PrimitivesAspect ( me;

43
src/Graphic3d/Graphic3d_Structure.cxx
View File

@@ -1651,33 +1651,32 @@ void Graphic3d_Structure::Transform (TColStd_Array2OfReal& theMatrix) const
//function : MinMaxValues
//purpose :
//=============================================================================
void Graphic3d_Structure::MinMaxValues (Standard_Real& theXMin,
Standard_Real& theYMin,
Standard_Real& theZMin,
Standard_Real& theXMax,
Standard_Real& theYMax,
Standard_Real& theZMax,
const Standard_Boolean theToIgnoreInfiniteFlag) const
Bnd_Box Graphic3d_Structure::MinMaxValues (const Standard_Boolean theToIgnoreInfiniteFlag) const
{
Graphic3d_BndBox4d aBox;
Bnd_Box aResult;
addTransformed (aBox, theToIgnoreInfiniteFlag);
if (!aBox.IsValid())
if (aBox.IsValid())
{
theXMin = RealFirst();
theYMin = RealFirst();
theZMin = RealFirst();
theXMax = RealLast();
theYMax = RealLast();
theZMax = RealLast();
return;
}
aResult.Add (gp_Pnt (aBox.CornerMin().x(),
aBox.CornerMin().y(),
aBox.CornerMin().z()));
aResult.Add (gp_Pnt (aBox.CornerMax().x(),
aBox.CornerMax().y(),
aBox.CornerMax().z()));
theXMin = aBox.CornerMin().x();
theYMin = aBox.CornerMin().y();
theZMin = aBox.CornerMin().z();
theXMax = aBox.CornerMax().x();
theYMax = aBox.CornerMax().y();
theZMax = aBox.CornerMax().z();
Standard_Real aLimMin = ShortRealFirst() + 1.0;
Standard_Real aLimMax = ShortRealLast() - 1.0;
gp_Pnt aMin = aResult.CornerMin();
gp_Pnt aMax = aResult.CornerMax();
if (aMin.X() < aLimMin && aMin.Y() < aLimMin && aMin.Z() < aLimMin &&
aMax.X() > aLimMax && aMax.Y() > aLimMax && aMax.Z() > aLimMax)
{
//For structure which infinite in all three dimensions the Whole bounding box will be returned
aResult.SetWhole();
}
}
return aResult;
}
//=============================================================================

21
src/NIS/NIS_View.cxx
View File

@@ -106,17 +106,18 @@ void NIS_View::RemoveContext (NIS_InteractiveContext * theCtx)
Standard_Boolean NIS_View::FitAll3d (const Quantity_Coefficient theCoef)
{
Bnd_B3f aBox = GetBndBox();
Bnd_B3f aB3fBox = GetBndBox();
if (aBox.IsVoid() || MyView->IsDefined() == Standard_False)
if (aB3fBox.IsVoid() || MyView->IsDefined() == Standard_False)
{
return Standard_False;
}
gp_XYZ aMin = aBox.CornerMin();
gp_XYZ aMax = aBox.CornerMax();
Bnd_Box aBox;
aBox.Add (gp_Pnt (aB3fBox.CornerMin()));
aBox.Add (gp_Pnt (aB3fBox.CornerMax()));
if (!FitMinMax (myCamera, aMin, aMax, theCoef, 0.0, Standard_False))
if (!FitMinMax (myCamera, aBox, theCoef, 0.0, Standard_False))
{
return Standard_False;
}
@@ -150,11 +151,11 @@ Bnd_B3f NIS_View::GetBndBox() const
}
// Take the bounding box of AIS objects displayed in the view
Standard_Real aVal[6];
View()->MinMaxValues(aVal[0], aVal[1], aVal[2], aVal[3], aVal[4], aVal[5]);
if (aVal[3] < 0.5 * RealLast()) {
aBox.Add (gp_XYZ (aVal[0], aVal[1], aVal[2]));
aBox.Add (gp_XYZ (aVal[3], aVal[4], aVal[5]));
Bnd_Box aVal = View()->MinMaxValues();
if (!aVal.IsVoid())
{
aBox.Add (aVal.CornerMin());
aBox.Add (aVal.CornerMax());
}
return aBox;

3
src/V3d/V3d.cdl
View File

@@ -42,7 +42,8 @@ uses
Image,
gp,
OSD,
Font
Font,
Bnd
is

9
src/V3d/V3d_View.cdl
View File

@@ -136,7 +136,8 @@ uses
SequenceOfHClipPlane from Graphic3d,
RenderingMode from Graphic3d,
RenderingParams from Graphic3d,
XYZ from gp
XYZ from gp,
Box from Bnd
raises
BadValue from V3d, TypeMismatch from Standard,
@@ -1531,8 +1532,7 @@ is
FitMinMax (me;
theCamera : Camera_Handle from Graphic3d;
theMinCorner : XYZ from gp;
theMaxCorner : XYZ from gp;
theBox : Box from Bnd;
theMargin : Real from Standard;
theResolution : Real from Standard = 0.0;
theToEnlargeIfLine : Boolean from Standard = Standard_True)
@@ -1541,8 +1541,7 @@ is
---Purpose: Transform camera eye, center and scale to fit in the
-- passed bounding box specified in WCS.
-- @param theCamera [in] the camera.
-- @param theMinCorner [in] the minimal corner of bounding box.
-- @param theMaxCorner [in] the maximal corner of bounding box.
-- @param theBox [in] the bounding box.
-- @param theMargin [in] the margin coefficient for view borders.
-- @param theResolution [in] the minimum size of projection of
-- bounding box in Xv or Yv direction when it considered to

61
src/V3d/V3d_View.cxx
View File

@@ -1509,12 +1509,7 @@ void V3d_View::FitAll (const Standard_Real theMargin, const Standard_Boolean the
return;
}
Standard_Real aXmin, aYmin, aZmin, aXmax, aYmax, aZmax;
MyView->MinMaxValues (aXmin, aYmin, aZmin, aXmax, aYmax, aZmax);
gp_XYZ aMin (aXmin, aYmin, aZmin);
gp_XYZ aMax (aXmax, aYmax, aZmax);
if (!FitMinMax (myCamera, aMin, aMax, theMargin, 10.0 * Precision::Confusion()))
if (!FitMinMax (myCamera, MyView->MinMaxValues(), theMargin, 10.0 * Precision::Confusion()))
{
return;
}
@@ -1545,19 +1540,13 @@ void V3d_View::DepthFitAll(const Quantity_Coefficient Aspect,
return ;
}
MyView->MinMaxValues(Xmin,Ymin,Zmin,Xmax,Ymax,Zmax) ;
Standard_Real LIM = ShortRealLast() -1.;
if (Abs(Xmin) > LIM || Abs(Ymin) > LIM || Abs(Zmin) > LIM
|| Abs(Xmax) > LIM || Abs(Ymax) > LIM || Abs(Zmax) > LIM ) {
ImmediateUpdate();
return ;
}
if (Xmin == Xmax && Ymin == Ymax && Zmin == Zmax) {
ImmediateUpdate();
return ;
}
Bnd_Box aBox = MyView->MinMaxValues();
if (aBox.IsVoid())
{
ImmediateUpdate();
return ;
}
aBox.Get (Xmin,Ymin,Zmin,Xmax,Ymax,Zmax);
MyView->Projects(Xmin,Ymin,Zmin,U,V,W) ;
MyView->Projects(Xmax,Ymax,Zmax,U1,V1,W1) ;
Umin = Min(U,U1) ; Umax = Max(U,U1) ;
@@ -2060,7 +2049,8 @@ Standard_Integer V3d_View::MinMax(Standard_Real& Umin,
Standard_Integer Nstruct = MyView->NumberOfDisplayedStructures() ;
if( Nstruct ) {
MyView->MinMaxValues(Xmin,Ymin,Zmin,Xmax,Ymax,Zmax) ;
Bnd_Box aBox = MyView->MinMaxValues();
aBox.Get (Xmin,Ymin,Zmin,Xmax,Ymax,Zmax);
MyView->Projects(Xmin,Ymin,Zmin,Umin,Vmin,Wmin) ;
MyView->Projects(Xmax,Ymax,Zmax,Umax,Vmax,Wmax) ;
MyView->Projects(Xmin,Ymin,Zmax,U,V,W) ;
@@ -2107,7 +2097,8 @@ Standard_Integer V3d_View::MinMax(Standard_Real& Xmin,
Standard_Integer Nstruct = MyView->NumberOfDisplayedStructures() ;
if( Nstruct ) {
MyView->MinMaxValues(Xmin,Ymin,Zmin,Xmax,Ymax,Zmax) ;
Bnd_Box aBox = MyView->MinMaxValues();
aBox.Get (Xmin,Ymin,Zmin,Xmax,Ymax,Zmax);
}
return Nstruct ;
}
@@ -2133,17 +2124,16 @@ Standard_Integer V3d_View::Gravity(Standard_Real& X, Standard_Real& Y, Standard_
const Handle(Graphic3d_Structure)& aStruct = MyIterator.Key();
if (!aStruct->IsEmpty())
{
aStruct->MinMaxValues (Xmin, Ymin, Zmin, Xmax, Ymax, Zmax);
Bnd_Box aBox = aStruct->MinMaxValues();
// Check bounding box for validness
Standard_Real aLim = (ShortRealLast() - 1.0);
if (Abs (Xmin) > aLim || Abs (Ymin) > aLim || Abs (Zmin) > aLim ||
Abs (Xmax) > aLim || Abs (Ymax) > aLim || Abs (Zmax) > aLim)
if (aBox.IsVoid())
{
continue;
}
// use camera projection to find gravity point
aBox.Get (Xmin,Ymin,Zmin,Xmax,Ymax,Zmax);
gp_Pnt aPnts[8] = {
gp_Pnt (Xmin, Ymin, Zmin), gp_Pnt (Xmin, Ymin, Zmax),
gp_Pnt (Xmin, Ymax, Zmin), gp_Pnt (Xmin, Ymax, Zmax),
@@ -3019,16 +3009,13 @@ const Handle(Graphic3d_Camera)& V3d_View::Camera() const
// purpose : Internal
// =======================================================================
Standard_Boolean V3d_View::FitMinMax (const Handle(Graphic3d_Camera)& theCamera,
const gp_XYZ& theMinCorner,
const gp_XYZ& theMaxCorner,
const Bnd_Box& theBox,
const Standard_Real theMargin,
const Standard_Real theResolution,
const Standard_Boolean theToEnlargeIfLine) const
{
// Check bounding box for validness
Standard_Real aLim = (ShortRealLast() - 1.0);
if (Abs (theMinCorner.X()) > aLim || Abs (theMinCorner.Y()) > aLim || Abs (theMinCorner.Z()) > aLim ||
Abs (theMaxCorner.X()) > aLim || Abs (theMaxCorner.Y()) > aLim || Abs (theMaxCorner.Z()) > aLim)
if (theBox.IsVoid())
{
return Standard_False; // bounding box is out of bounds...
}
@@ -3039,12 +3026,14 @@ Standard_Boolean V3d_View::FitMinMax (const Handle(Graphic3d_Camera)& theCamera,
// option is to perform frustum plane adjustment algorithm in view camera space,
// which will lead to a number of additional world-view space conversions and
// loosing precision as well.
Standard_Real aXmin = theMinCorner.X() * theCamera->AxialScale().X();
Standard_Real aXmax = theMaxCorner.X() * theCamera->AxialScale().X();
Standard_Real aYmin = theMinCorner.Y() * theCamera->AxialScale().Y();
Standard_Real aYmax = theMaxCorner.Y() * theCamera->AxialScale().Y();
Standard_Real aZmin = theMinCorner.Z() * theCamera->AxialScale().Z();
Standard_Real aZmax = theMaxCorner.Z() * theCamera->AxialScale().Z();
gp_Pnt aMinCorner = theBox.CornerMin();
gp_Pnt aMaxCorner = theBox.CornerMax();
Standard_Real aXmin = aMinCorner.X() * theCamera->AxialScale().X();
Standard_Real aXmax = aMaxCorner.X() * theCamera->AxialScale().X();
Standard_Real aYmin = aMinCorner.Y() * theCamera->AxialScale().Y();
Standard_Real aYmax = aMaxCorner.Y() * theCamera->AxialScale().Y();
Standard_Real aZmin = aMinCorner.Z() * theCamera->AxialScale().Z();
Standard_Real aZmax = aMaxCorner.Z() * theCamera->AxialScale().Z();
Bnd_Box aBBox;
aBBox.Update (aXmin, aYmin, aZmin, aXmax, aYmax, aZmax);

10
src/ViewerTest/ViewerTest.cxx
View File

@@ -2478,12 +2478,12 @@ inline void bndPresentation (Draw_Interpretor& theDI,
}
case BndAction_Print:
{
Graphic3d_Vec3d aMin, aMax;
thePrs->Presentation()->MinMaxValues (aMin.x(), aMin.y(), aMin.z(),
aMax.x(), aMax.y(), aMax.z());
Bnd_Box aBox = thePrs->Presentation()->MinMaxValues();
gp_Pnt aMin = aBox.CornerMin();
gp_Pnt aMax = aBox.CornerMax();
theDI << theName << "\n"
<< aMin.x() << " " << aMin.y() << " " << aMin.z() << " "
<< aMax.x() << " " << aMax.y() << " " << aMax.z() << "\n";
<< aMin.X() << " " << aMin.Y() << " " << aMin.Z() << " "
<< aMax.X() << " " << aMax.Y() << " " << aMax.Z() << "\n";
break;
}
}

3
src/Visual3d/Visual3d.cdl
View File

@@ -54,7 +54,8 @@ uses
MMgt,
WNT,
OSD,
Font
Font,
Bnd
is

34
src/Visual3d/Visual3d_View.cdl
View File

@@ -108,7 +108,8 @@ uses
ExtendedString from TCollection,
CGraduatedTrihedron from Graphic3d,
PixMap from Image
PixMap from Image,
Box from Bnd
raises
TransformError from Visual3d,
@@ -670,9 +671,8 @@ is
---Category: Inquire methods
MinMaxValues (me;
theXMin, theYMin, theZMin : out Real from Standard;
theXMax, theYMax, theZMax : out Real from Standard;
theToIgnoreInfiniteFlag : Boolean from Standard = Standard_False)
returns Box from Bnd
is static;
---Level: Public
---Purpose: Returns the coordinates of the boundary box of all
@@ -683,40 +683,14 @@ is
MinMaxValues (me;
theSet : MapOfStructure from Graphic3d;
theXMin, theYMin, theZMin : out Real from Standard;
theXMax, theYMax, theZMax : out Real from Standard;
theToIgnoreInfiniteFlag : Boolean from Standard = Standard_False)
returns Box from Bnd
is static;
---Level: Public
---Purpose: Returns the coordinates of the boundary box of all
-- structures in the set <theSet>.
-- If <theToIgnoreInfiniteFlag> is TRUE, then the boundary box
-- also includes minimum and maximum limits of graphical elements
-- forming parts of infinite structures.
MinMaxValues (me;
theXMin, theYMin : out Real from Standard;
theXMax, theYMax : out Real from Standard;
theToIgnoreInfiniteFlag : Boolean from Standard = Standard_False)
is static;
---Level: Public
---Purpose: Returns the coordinates of the projection of the
-- boundary box of all structures displayed in the view <me>.
-- If <theToIgnoreInfiniteFlag> is TRUE, then the boundary box
-- also includes minimum and maximum limits of graphical elements
-- forming parts of infinite structures.
MinMaxValues (me;
theSet : MapOfStructure from Graphic3d;
theXMin, theYMin : out Real from Standard;
theXMax, theYMax : out Real from Standard;
theToIgnoreInfiniteFlag : Boolean from Standard = Standard_False)
is static;
---Level: Public
---Purpose: Returns the coordinates of the projection of the
-- boundary box of all structures in the set <ASet>.
-- If <theToIgnoreInfiniteFlag> is TRUE, then the boundary box
-- also includes minimum and maximum limits of graphical elements
-- forming parts of infinite structures.
NumberOfDisplayedStructures ( me )

208
src/Visual3d/Visual3d_View.cxx
View File

@@ -1124,24 +1124,8 @@ void Visual3d_View::AutoZFit()
// ========================================================================
void Visual3d_View::ZFitAll (const Standard_Real theScaleFactor)
{
Standard_Real aMinMax[6]; // applicative min max boundaries
MinMaxValues (aMinMax[0], aMinMax[1], aMinMax[2],
aMinMax[3], aMinMax[4], aMinMax[5],
Standard_False);
Standard_Real aGraphicBB[6]; // real graphical boundaries (not accounting infinite flag).
MinMaxValues (aGraphicBB[0], aGraphicBB[1], aGraphicBB[2],
aGraphicBB[3], aGraphicBB[4], aGraphicBB[5],
Standard_True);
Bnd_Box aMinMaxBox;
Bnd_Box aGraphicBox;
aMinMaxBox.Update (aMinMax[0], aMinMax[1], aMinMax[2],
aMinMax[3], aMinMax[4], aMinMax[5]);
aGraphicBox.Update (aGraphicBB[0], aGraphicBB[1], aGraphicBB[2],
aGraphicBB[3], aGraphicBB[4], aGraphicBB[5]);
Bnd_Box aMinMaxBox = MinMaxValues (Standard_False); // applicative min max boundaries
Bnd_Box aGraphicBox = MinMaxValues (Standard_True); // real graphical boundaries (not accounting infinite flag).
const Handle(Graphic3d_Camera)& aCamera = MyCView.Context.Camera;
aCamera->ZFitAll (theScaleFactor, aMinMaxBox, aGraphicBox);
@@ -1697,163 +1681,58 @@ Standard_Boolean Visual3d_View::ContainsFacet (const Graphic3d_MapOfStructure& t
// function : MinMaxValues
// purpose :
// ========================================================================
void Visual3d_View::MinMaxValues (Standard_Real& theXMin,
Standard_Real& theYMin,
Standard_Real& theZMin,
Standard_Real& theXMax,
Standard_Real& theYMax,
Standard_Real& theZMax,
const Standard_Boolean theToIgnoreInfiniteFlag) const
Bnd_Box Visual3d_View::MinMaxValues (const Standard_Boolean theToIgnoreInfiniteFlag) const
{
MinMaxValues (myStructsDisplayed,
theXMin, theYMin, theZMin,
theXMax, theYMax, theZMax,
theToIgnoreInfiniteFlag);
return MinMaxValues (myStructsDisplayed,
theToIgnoreInfiniteFlag);
}
// ========================================================================
// function : MinMaxValues
// purpose :
// ========================================================================
void Visual3d_View::MinMaxValues (const Graphic3d_MapOfStructure& theSet,
Standard_Real& theXMin,
Standard_Real& theYMin,
Standard_Real& theZMin,
Standard_Real& theXMax,
Standard_Real& theYMax,
Standard_Real& theZMax,
const Standard_Boolean theToIgnoreInfiniteFlag) const
Bnd_Box Visual3d_View::MinMaxValues (const Graphic3d_MapOfStructure& theSet,
const Standard_Boolean theToIgnoreInfiniteFlag) const
{
Bnd_Box aResult;
if (theSet.IsEmpty ())
{
theXMin = RealFirst();
theYMin = RealFirst();
theZMin = RealFirst();
theXMax = RealLast();
theYMax = RealLast();
theZMax = RealLast();
// Return an empty box.
return aResult;
}
else
Graphic3d_MapIteratorOfMapOfStructure anIterator (theSet);
for (anIterator.Initialize (theSet); anIterator.More(); anIterator.Next())
{
Standard_Real aXm, aYm, aZm, aXM, aYM, aZM;
Graphic3d_MapIteratorOfMapOfStructure anIterator (theSet);
const Handle(Graphic3d_Structure)& aStructure = anIterator.Key();
theXMin = RealLast();
theYMin = RealLast();
theZMin = RealLast();
if (!aStructure->IsVisible())
continue;
theXMax = RealFirst ();
theYMax = RealFirst ();
theZMax = RealFirst ();
for (anIterator.Initialize (theSet); anIterator.More(); anIterator.Next())
if (aStructure->IsInfinite() && !theToIgnoreInfiniteFlag)
{
const Handle(Graphic3d_Structure)& aStructure = anIterator.Key();
if (!aStructure->IsVisible())
continue;
if (aStructure->IsInfinite() && !theToIgnoreInfiniteFlag)
//XMin, YMin .... ZMax are initialized by means of infinite line data
Bnd_Box aBox = aStructure->MinMaxValues (Standard_False);
if (!aBox.IsWhole() && !aBox.IsVoid())
{
//XMin, YMin .... ZMax are initialized by means of infinite line data
aStructure->MinMaxValues (aXm, aYm, aZm, aXM, aYM, aZM, Standard_False);
if (aXm != RealFirst() && aXm < theXMin)
{
theXMin = aXm;
}
if (aYm != RealFirst() && aYm < theYMin)
{
theYMin = aYm;
}
if (aZm != RealFirst() && aZm < theZMin)
{
theZMin = aZm;
}
if (aXM != RealLast() && aXM > theXMax)
{
theXMax = aXM;
}
if (aYM != RealLast() && aYM > theYMax)
{
theYMax = aYM;
}
if (aZM != RealLast() && aZM > theZMax)
{
theZMax = aZM;
}
}
// Only non-empty and non-infinite structures
// are taken into account for calculation of MinMax
if ((!aStructure->IsInfinite() || theToIgnoreInfiniteFlag) && !aStructure->IsEmpty())
{
aStructure->MinMaxValues (aXm, aYm, aZm, aXM, aYM, aZM, theToIgnoreInfiniteFlag);
/* ABD 29/10/04 Transform Persistence of Presentation( pan, zoom, rotate ) */
//"FitAll" operation ignores object with transform persitence parameter
if(aStructure->TransformPersistenceMode() == Graphic3d_TMF_None )
{
theXMin = Min (aXm, theXMin);
theYMin = Min (aYm, theYMin);
theZMin = Min (aZm, theZMin);
theXMax = Max (aXM, theXMax);
theYMax = Max (aYM, theYMax);
theZMax = Max (aZM, theZMax);
}
aResult.Add (aBox);
}
}
// The following cases are relevant
// For exemple if all structures are empty or infinite
if (theXMax < theXMin) { aXm = theXMin; theXMin = theXMax; theXMax = aXm; }
if (theYMax < theYMin) { aYm = theYMin; theYMin = theYMax; theYMax = aYm; }
if (theZMax < theZMin) { aZm = theZMin; theZMin = theZMax; theZMax = aZm; }
// Only non-empty and non-infinite structures
// are taken into account for calculation of MinMax
if ((!aStructure->IsInfinite() || theToIgnoreInfiniteFlag) && !aStructure->IsEmpty())
{
Bnd_Box aBox = aStructure->MinMaxValues (theToIgnoreInfiniteFlag);
/* ABD 29/10/04 Transform Persistence of Presentation( pan, zoom, rotate ) */
//"FitAll" operation ignores object with transform persitence parameter
if(aStructure->TransformPersistenceMode() == Graphic3d_TMF_None )
{
aResult.Add (aBox);
}
}
}
}
// ========================================================================
// function : MinMaxValues
// purpose :
// ========================================================================
void Visual3d_View::MinMaxValues (Standard_Real& theXMin,
Standard_Real& theYMin,
Standard_Real& theXMax,
Standard_Real& theYMax,
const Standard_Boolean theToIgnoreInfiniteFlag) const
{
MinMaxValues (myStructsDisplayed,
theXMin, theYMin,
theXMax, theYMax,
theToIgnoreInfiniteFlag);
}
// ========================================================================
// function : MinMaxValues
// purpose :
// ========================================================================
void Visual3d_View::MinMaxValues (const Graphic3d_MapOfStructure& theSet,
Standard_Real& theXMin,
Standard_Real& theYMin,
Standard_Real& theXMax,
Standard_Real& theYMax,
const Standard_Boolean theToIgnoreInfiniteFlag) const
{
Standard_Real aXm, aYm, aZm, aXM, aYM, aZM;
Standard_Real aXp, aYp, aZp;
MinMaxValues (theSet, aXm, aYm, aZm, aXM, aYM, aZM, theToIgnoreInfiniteFlag);
Projects (aXm, aYm, aZm, aXp, aYp, aZp);
theXMin = aXp;
theYMin = aYp;
Projects (aXM, aYM, aZM, aXp, aYp, aZp);
theXMax = aXp;
theYMax = aYp;
if (theXMax < theXMin) { aXp = theXMax; theXMax = theXMin; theXMin = aXp; }
if (theYMax < theYMin) { aYp = theYMax; theYMax = theYMin; theYMin = aYp; }
return aResult;
}
// =======================================================================
@@ -2199,23 +2078,16 @@ void Visual3d_View::TriedronEcho (const Aspect_TypeOfTriedronEcho theType)
myGraphicDriver->TriedronEcho (MyCView, theType);
}
static Standard_Boolean checkFloat (const Standard_Real theValue)
{
return theValue > -FLT_MAX
&& theValue < FLT_MAX;
}
static void SetMinMaxValuesCallback (Visual3d_View* theView)
{
Graphic3d_Vec3d aMin, aMax;
theView->MinMaxValues (aMin.x(), aMin.y(), aMin.z(),
aMax.x(), aMax.y(), aMax.z());
if (checkFloat (aMin.x()) && checkFloat (aMin.y()) && checkFloat (aMin.z())
&& checkFloat (aMax.x()) && checkFloat (aMax.y()) && checkFloat (aMax.z()))
Bnd_Box aBox = theView->MinMaxValues();
if (!aBox.IsVoid())
{
gp_Pnt aMin = aBox.CornerMin();
gp_Pnt aMax = aBox.CornerMax();
const Handle(Graphic3d_GraphicDriver)& aDriver = theView->GraphicDriver();
aDriver->GraduatedTrihedronMinMaxValues ((Standard_ShortReal )aMin.x(), (Standard_ShortReal )aMin.y(), (Standard_ShortReal )aMin.z(),
(Standard_ShortReal )aMax.x(), (Standard_ShortReal )aMax.y(), (Standard_ShortReal )aMax.z());
aDriver->GraduatedTrihedronMinMaxValues ((Standard_ShortReal )aMin.X(), (Standard_ShortReal )aMin.Y(), (Standard_ShortReal )aMin.Z(),
(Standard_ShortReal )aMax.X(), (Standard_ShortReal )aMax.Y(), (Standard_ShortReal )aMax.Z());
}
}