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0030270: Modeling Algorithms - BRepBndLib should provide an option for skipping infinite entities

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Bnd_Box now keeps calculating of finite part of bounding box after specifying it to be Open in some direction.
The finite part can be retrieved using new method Bnd_Box::FinitePart().

Prs3d::GetDeflection() now uses Bnd_Box::FinitePart() when applying relative deflection.

Draw Harness command bounding has been extended with option -finite returing a finite part of AABB.
This commit is contained in:
kgv
2018-10-23 17:39:36 +03:00
committed by apn
parent 253cfde728
commit 04f0f1b046
6 changed files with 238 additions and 157 deletions
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36
src/BRepTest/BRepTest_BasicCommands.cxx
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@@ -503,6 +503,7 @@ static Standard_Integer BoundBox(Draw_Interpretor& theDI,
Standard_Boolean isTriangulationReq = Standard_True;
Standard_Boolean isOptimal = Standard_False;
Standard_Boolean isTolerUsed = Standard_False;
Standard_Boolean isFinitePart = Standard_False;
Standard_Boolean hasToDraw = Standard_True;
TCollection_AsciiString anOutVars[6];
@@ -557,6 +558,11 @@ static Standard_Integer BoundBox(Draw_Interpretor& theDI,
{
hasToDraw = Standard_False;
}
else if (anArgCase == "-finite"
|| anArgCase == "-finitepart")
{
isFinitePart = Standard_True;
}
else if (aShape.IsNull()
&& !DBRep::Get (theArgVal[anArgIter]).IsNull())
{
@@ -662,6 +668,10 @@ static Standard_Integer BoundBox(Draw_Interpretor& theDI,
}
else
{
if (isFinitePart && anAABB.IsOpen())
{
anAABB = anAABB.FinitePart();
}
const gp_Pnt aMin = anAABB.CornerMin();
const gp_Pnt aMax = anAABB.CornerMax();
@@ -670,15 +680,26 @@ static Standard_Integer BoundBox(Draw_Interpretor& theDI,
{
if (useOldSyntax)
{
theDI << aMin.X () << " " << aMin.Y () << " " << aMin.Z () << " "
<< aMax.X () << " " << aMax.Y () << " " << aMax.Z () << "\n";
theDI << aMin.X() << " " << aMin.Y() << " " << aMin.Z() << " "
<< aMax.X() << " " << aMax.Y() << " " << aMax.Z() << "\n";
}
else
{
theDI << "Axes-aligned bounding box\n";
theDI << "X-range: " << aMin.X () << " " << aMax.X () << "\n" <<
"Y-range: " << aMin.Y() << " " << aMax.Y() << "\n" <<
"Z-range: " << aMin.Z () << " " << aMax.Z () << "\n";
theDI << "X-range: " << aMin.X() << " " << aMax.X() << "\n"
<< "Y-range: " << aMin.Y() << " " << aMax.Y() << "\n"
<< "Z-range: " << aMin.Z() << " " << aMax.Z() << "\n";
if (anAABB.IsOpen()
&& anAABB.HasFinitePart())
{
Bnd_Box aFinitAabb = anAABB.FinitePart();
const gp_Pnt aFinMin = aFinitAabb.CornerMin();
const gp_Pnt aFinMax = aFinitAabb.CornerMax();
theDI << "Finite part\n";
theDI << "X-range: " << aFinMin.X() << " " << aFinMax.X() << "\n"
<< "Y-range: " << aFinMin.Y() << " " << aFinMax.Y() << "\n"
<< "Z-range: " << aFinMin.Z() << " " << aFinMax.Z() << "\n";
}
}
}
@@ -1454,7 +1475,7 @@ void BRepTest::BasicCommands(Draw_Interpretor& theCommands)
theCommands.Add ("bounding",
"bounding {shape | xmin ymin zmin xmax ymax zmax}"
"\n\t\t: [-obb] [-noTriangulation] [-optimal] [-extToler]"
"\n\t\t: [-dump] [-shape name] [-nodraw]"
"\n\t\t: [-dump] [-shape name] [-nodraw] [-finitePart]"
"\n\t\t: [-save xmin ymin zmin xmax ymax zmax]"
"\n\t\t:"
"\n\t\t: Computes a bounding box. Two types of the source data are supported:"
@@ -1474,7 +1495,8 @@ void BRepTest::BasicCommands(Draw_Interpretor& theCommands)
"\n\t\t: if neither -shape nor -save is specified."
"\n\t\t: -shape Stores computed box as solid in DRAW variable with specified name."
"\n\t\t: -save Stores min and max coordinates of AABB in specified variables."
"\n\t\t: -noDraw Avoid drawing resulting Bounding Box in DRAW viewer.",
"\n\t\t: -noDraw Avoid drawing resulting Bounding Box in DRAW viewer."
"\n\t\t: -finite Return finite part of infinite box.",
__FILE__, BoundBox, g);
//