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+ extend convention of local axes to non-aligned global axes

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git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5137 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d
This commit is contained in:
wmayer 2011-11-15 12:40:30 +00:00
parent 73dd4ab9eb
commit b900ccc94b
1 changed files with 26 additions and 30 deletions
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56
src/Mod/Part/App/Part2DObject.cpp
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@ -100,38 +100,34 @@ Base::Placement Part2DObject::positionBySupport(const TopoDS_Face &face, const B
gp_Dir dir = Normal.Direction();
gp_Ax3 SketchPos;
// +X
if (dir.IsEqual(gp::DX(),0)) {
SketchPos = gp_Ax3(SketchBasePoint, dir, gp_Dir(0,1,0));
}
// -X
else if (dir.IsOpposite(gp::DX(),0)) {
SketchPos = gp_Ax3(SketchBasePoint, dir, gp_Dir(0,-1,0));
}
// +Y
else if (dir.IsEqual(gp::DY(),0)) {
SketchPos = gp_Ax3(SketchBasePoint, dir, gp_Dir(-1,0,0));
}
// -Y
else if (dir.IsOpposite(gp::DY(),0)) {
SketchPos = gp_Ax3(SketchBasePoint, dir, gp_Dir(1,0,0));
}
// +Z
else if (dir.IsEqual(gp::DZ(),0)) {
SketchPos = gp_Ax3(SketchBasePoint, dir, gp_Dir(1,0,0));
}
// -Z
else if (dir.IsOpposite(gp::DZ(),0)) {
SketchPos = gp_Ax3(SketchBasePoint, dir, gp_Dir(1,0,0));
}
else {
// check the angle against the Y Axis
Standard_Real a = Normal.Angle(gp_Ax1(gp_Pnt(0,0,0),gp_Dir(0,1,0)));
if (fabs(a)<0.1 || fabs((fabs(a)-M_PI))< 0.1)
SketchPos = gp_Ax3(SketchBasePoint,Normal._CSFDB_Getgp_Ax1vdir(),gp_Dir(1,0,0));
double cosNX = dir.Dot(gp::DX());
double cosNY = dir.Dot(gp::DY());
double cosNZ = dir.Dot(gp::DZ());
std::vector<double> cosXYZ;
cosXYZ.push_back(fabs(cosNX));
cosXYZ.push_back(fabs(cosNY));
cosXYZ.push_back(fabs(cosNZ));
int pos = std::max_element(cosXYZ.begin(), cosXYZ.end()) - cosXYZ.begin();
// +X/-X
if (pos == 0) {
if (cosNX > 0)
SketchPos = gp_Ax3(SketchBasePoint, dir, gp_Dir(0,1,0));
else
SketchPos = gp_Ax3(SketchBasePoint,Normal._CSFDB_Getgp_Ax1vdir());
SketchPos = gp_Ax3(SketchBasePoint, dir, gp_Dir(0,-1,0));
}
// +Y/-Y
else if (pos == 1) {
if (cosNY > 0)
SketchPos = gp_Ax3(SketchBasePoint, dir, gp_Dir(-1,0,0));
else
SketchPos = gp_Ax3(SketchBasePoint, dir, gp_Dir(1,0,0));
}
// +Z/-Z
else {
SketchPos = gp_Ax3(SketchBasePoint, dir, gp_Dir(1,0,0));
}
gp_Trsf Trf;