Commit 100c4d6a authored by Jesse Mapel's avatar Jesse Mapel
Browse files

Changed PiecewisePolynomial to ignore repeated points when fitting. 

git-svn-id: http://subversion.wr.usgs.gov/repos/prog/isis3/branches/PiecewisePolynomials@7848 41f8697f-d340-4b68-9986-7bafba869bb8
parent 0629f4e4

isis/src/base/objs/PiecewisePolynomial/PiecewisePolynomial.cpp

+2 −3
Original line number Diff line number Diff line
@@ -533,10 +533,9 @@ namespace Isis { 
    std::sort( distances.begin(), distances.end() );



    // If two points are very close together then the triangle is degenerate and

    // we cannot compute curvature.

    // we cannot compute curvature. So, just return 0 curvature.

    if (distances[0] < 1.0e-15) {

      QString msg = "Cannot compute curvature. The triangle between points is degenerate.";

      throw IException(IException::Programmer, msg, _FILEINFO_);

      return 0.0;

    }



    // Modified Heron's formula to avoid square root of negatives when area is close to 0