Commit 9aa56e9a authored by mattijs's avatar mattijs
Browse files

ENH: pointToPoint: better checking.

parent 83170581
......@@ -63,7 +63,7 @@ Foam::pointToPointPlanarInterpolation::calcCoordinateSystem
// Find furthest away point
vector e1;
label index1 = -1;
scalar maxDist = -GREAT;
scalar maxDist = ROOTVSMALL;
for (label i = 1; i < points.size(); i++)
{
......@@ -77,11 +77,21 @@ Foam::pointToPointPlanarInterpolation::calcCoordinateSystem
maxDist = magD;
}
}
if (index1 == -1)
{
FatalErrorInFunction
<< "Cannot find any point that is different from first point"
<< p0 << ". Are all your points coincident?"
<< exit(FatalError);
}
// Find point that is furthest away from line p0-p1
const point& p1 = points[index1];
label index2 = -1;
maxDist = -GREAT;
maxDist = ROOTVSMALL;
for (label i = 1; i < points.size(); i++)
{
if (i != index1)
......@@ -101,9 +111,9 @@ Foam::pointToPointPlanarInterpolation::calcCoordinateSystem
if (index2 == -1)
{
FatalErrorInFunction
<< "Cannot find points that make valid normal." << nl
<< "Have so far points " << p0 << " and " << p1
<< "Need at least three points which are not in a line."
<< "Cannot find points that define a plane with a valid normal."
<< nl << "Have so far points " << p0 << " and " << p1
<< ". Are all your points on a single line instead of a plane?"
<< exit(FatalError);
}
......
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