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[TD]fix vertical alignment of section pieces

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wandererfan
2022-11-11 14:46:58 -05:00
committed by WandererFan
parent 3eaad09ed1
commit 0bf5d67906
2 changed files with 62 additions and 44 deletions
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18
src/Mod/TechDraw/App/DrawViewPart.cpp
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@@ -1012,16 +1012,20 @@ bool DrawViewPart::hasGeometry(void) const
//in the derived view.
gp_Ax2 DrawViewPart::localVectorToCS(const Base::Vector3d localUnit) const
{
// Base::Console().Message("DVP::localVectorToCS(%s)\n", DU::formatVector((localUnit)).c_str());
double angle = atan2(localUnit.y, localUnit.x); //radians
gp_Ax1 rotateAxisDir(gp_Pnt(0.0, 0.0, 0.0), getProjectionCS().Direction());
gp_Vec gNewDirection = getProjectionCS().XDirection().Rotated(rotateAxisDir, angle);
gp_Vec crossDirs = getProjectionCS().Direction().Crossed(gNewDirection);
gp_Vec gNewX = getProjectionCS().XDirection();
gp_Vec triple = crossDirs.Crossed(getProjectionCS().XDirection());
if (!DU::fpCompare(triple.Magnitude(), 0.0, EWTOLERANCE)) {
gNewX = triple;
gp_Vec gOldX = getProjectionCS().XDirection();
gp_Vec gNewDirection = gOldX.Rotated(rotateAxisDir, angle);
gp_Vec gNewY = getProjectionCS().Direction();
gp_Vec gNewX = (gNewDirection.Crossed(gNewY).Reversed());
if (gNewX.IsParallel(gOldX, EWTOLERANCE)) {
//if the X directions are parallel, the view is rotating around X, so
//we should use the original X to prevent unwanted mirroring.
//There might be a better choice of tolerance than EWTOLERANCE
gNewX = gOldX;
}
return { gp_Pnt(0.0, 0.0, 0.0), gp_Dir(gNewDirection), gp_Dir(gNewX) };
}