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ENH: relocate randomPointInPlane as plane::somePointInPlane

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- makes more sense to bundle it with plane.
This commit is contained in:
Mark Olesen
2017-04-24 20:23:31 +02:00
parent b1be223a82
commit 32a6c1d988
3 changed files with 55 additions and 92 deletions
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71
applications/utilities/surface/surfaceFeatureExtract/surfaceFeatureExtract.C
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@ -87,73 +87,6 @@ scalar calcVertexNormalWeight
}
point randomPointInPlane(const plane& p)
{
// Perturb base point
const point& refPt = p.refPoint();
// ax + by + cz + d = 0
const FixedList<scalar, 4>& planeCoeffs = p.planeCoeffs();
const scalar perturbX = refPt.x() + 1e-3;
const scalar perturbY = refPt.y() + 1e-3;
const scalar perturbZ = refPt.z() + 1e-3;
if (mag(planeCoeffs[2]) < SMALL)
{
if (mag(planeCoeffs[1]) < SMALL)
{
const scalar x =
-1.0
*(
planeCoeffs[3]
+ planeCoeffs[1]*perturbY
+ planeCoeffs[2]*perturbZ
)/planeCoeffs[0];
return point
(
x,
perturbY,
perturbZ
);
}
const scalar y =
-1.0
*(
planeCoeffs[3]
+ planeCoeffs[0]*perturbX
+ planeCoeffs[2]*perturbZ
)/planeCoeffs[1];
return point
(
perturbX,
y,
perturbZ
);
}
else
{
const scalar z =
-1.0
*(
planeCoeffs[3]
+ planeCoeffs[0]*perturbX
+ planeCoeffs[1]*perturbY
)/planeCoeffs[2];
return point
(
perturbX,
perturbY,
z
);
}
}
triadField calcVertexCoordSys
(
const triSurface& surf,
@ -178,8 +111,8 @@ triadField calcVertexCoordSys
plane p(pt, normal);
// Pick random point in plane
vector dir1 = pt - randomPointInPlane(p);
// Pick arbitrary point in plane
vector dir1 = pt - p.somePointInPlane(1e-3);
dir1 /= mag(dir1);
vector dir2 = dir1 ^ normal;