Function computeGradient

source/MRMesh/MRSurfacePath.cpp:19–23

{

static Vector3f computeGradient( const Vector3f & b, const Vector3f & c, float vb, float vc )
{
    auto grad = gradientInTri( Vector3d( b ), Vector3d( c ), double( vb ), double( vc ) );
    return grad.has_value() ? Vector3f{ *grad } : Vector3f{};
}

/// given triangle with scalar field increasing in the direction \param dir;
/// returns true if the field increases inside the triangle from the edge 01