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0027832: Scaled zbuffer trihedron

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Adjusted calculation of scale in Graphic3d_TransformPers::Apply().
Now takes into consideration the Axial Scale of the camera.
This commit is contained in:
drochalo
2023-10-20 15:11:54 +01:00
parent 38581280d0
commit d28545ca7b
1 changed files with 13 additions and 0 deletions
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13
src/Graphic3d/Graphic3d_TransformPers.hxx
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@@ -409,6 +409,19 @@ void Graphic3d_TransformPers::Apply (const Handle(Graphic3d_Camera)& theCamera,
}
NCollection_Mat4<Standard_Real> aWorldView = theCamera->OrientationMatrix();
//Adjust the camera axial scale for trihedron behaviour
gp_XYZ anAxialScale = theCamera->AxialScale();
Standard_Real anAxialX = anAxialScale.X();
Standard_Real anAxialY = anAxialScale.Y();
Standard_Real anAxialZ = anAxialScale.Z();
if ((anAxialX > Precision::Confusion() &&
anAxialY > Precision::Confusion() &&
anAxialZ > Precision::Confusion()))
{
Graphic3d_TransformUtils::Scale(aWorldView, 1.0 / anAxialX, 1.0 / anAxialY, 1.0 / anAxialZ);
}
Graphic3d_TransformUtils::Translate (aWorldView, aCenter.X(), aCenter.Y(), aCenter.Z());
Graphic3d_TransformUtils::Scale (aWorldView, aScale, aScale, aScale);
theWorldView.ConvertFrom (aWorldView);