bool Restraint::GetCMatrix(const Plane structureOrientation, arma::mat & CN)
{
// Check if restraint plane differs from global plane
if (structureOrientation.CompareTo(this->_orientation))
return false;
// If different
CN = arma::mat(6, 6, arma::fill::zeros);
Vector3d drX = this->GetXDir();
Vector3d drY = this->GetYDir();
Vector3d drZ = this->GetZDir();
Vector3d strX = structureOrientation.GetX();
Vector3d strY = structureOrientation.GetY();
Vector3d strZ = structureOrientation.GetZ();
double nxx = drX.DotProduct(strX);
double nxy = drY.DotProduct(strY);
double nxz = drZ.DotProduct(strZ);
double nyx = drX.DotProduct(strX);
double nyy = drY.DotProduct(strY);
double nyz = drZ.DotProduct(strZ);
double nzx = drX.DotProduct(strX);
double nzy = drY.DotProduct(strY);
double nzz = drZ.DotProduct(strZ);
// Two times for same transformations for translations (1) and rotations(2)
for (int i = 0; i < 2; i++)
{
CN[0 + i * 3, 0 + i * 3] = nxx;
CN[0 + i * 3, 1 + i * 3] = nxy;
CN[0 + i * 3, 2 + i * 3] = nxz;
CN[1 + i * 3, 0 + i * 3] = nyx;
CN[1 + i * 3, 1 + i * 3] = nyy;
CN[1 + i * 3, 2 + i * 3] = nyz;
CN[2 + i * 3, 0 + i * 3] = nyx;
CN[2 + i * 3, 1 + i * 3] = nyy;
CN[2 + i * 3, 2 + i * 3] = nyz;
}
return true;
}
float Vector3d::DotProduct(const Vector3d &v1, const Vector3d &v2) {
return v1.DotProduct(v2);
}
