diff --git a/GeoLib/AnalyticalGeometry.cpp b/GeoLib/AnalyticalGeometry.cpp
index ad2c06fa8ecb3977d4c957c851b7a4b440b23e0b..0e8375c15cd6d1a03b4c64fc313dca526367667c 100644
--- a/GeoLib/AnalyticalGeometry.cpp
+++ b/GeoLib/AnalyticalGeometry.cpp
@@ -359,17 +359,6 @@ double calcTriangleArea(MathLib::Point3d const& a,
return 0.5 * w.getLength();
}
-double calcTetrahedronVolume(MathLib::Point3d const& x1,
- MathLib::Point3d const& x2,
- MathLib::Point3d const& x3,
- MathLib::Point3d const& x4)
-{
- const MathLib::Vector3 ab(x1, x2);
- const MathLib::Vector3 ac(x1, x3);
- const MathLib::Vector3 ad(x1, x4);
- return std::abs(MathLib::scalarTriple(ac, ad, ab)) / 6.0;
-}
-
void computeRotationMatrixToXZ(MathLib::Vector3 const& plane_normal, MathLib::DenseMatrix<double> & rot_mat)
{
// *** some frequently used terms ***
diff --git a/GeoLib/AnalyticalGeometry.h b/GeoLib/AnalyticalGeometry.h
index 0c75ef137598cfd32f451686c8ee2122bfaec848..b7a495ff3c14740dc9c3e2d9d93f27c6766b7349 100644
--- a/GeoLib/AnalyticalGeometry.h
+++ b/GeoLib/AnalyticalGeometry.h
@@ -184,15 +184,6 @@ void rotatePointsToXZ(std::vector<GeoLib::Point*> &pnts);
double calcTriangleArea(MathLib::Point3d const& a, MathLib::Point3d const& b,
MathLib::Point3d const& c);
-/**
- * Calculates the volume of a tetrahedron.
- * The formula is V=1/6*|a(b x c)| with a=x1->x2, b=x1->x3 and c=x1->x4.
- */
-double calcTetrahedronVolume(MathLib::Point3d const& x1,
- MathLib::Point3d const& x2,
- MathLib::Point3d const& x3,
- MathLib::Point3d const& x4);
-
/**
* Tests if the given point p is within the triangle, defined by its edge nodes a, b and c.
* Using two eps-values it is possible to test an 'epsilon' neighbourhood around the triangle
diff --git a/MathLib/GeometricBasics.cpp b/MathLib/GeometricBasics.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..c3fcff04588712aba2f73eb085f958e17f43e6f0
--- /dev/null
+++ b/MathLib/GeometricBasics.cpp
@@ -0,0 +1,28 @@
+/**
+ *
+ * \copyright
+ * Copyright (c) 2012-2016, OpenGeoSys Community (http://www.opengeosys.org)
+ * Distributed under a Modified BSD License.
+ * See accompanying file LICENSE.txt or
+ * http://www.opengeosys.org/project/license
+ *
+ */
+
+#include "GeometricBasics.h"
+#include "Point3d.h"
+#include "Vector3.h"
+
+namespace MathLib
+{
+double calcTetrahedronVolume(MathLib::Point3d const& a,
+ MathLib::Point3d const& b,
+ MathLib::Point3d const& c,
+ MathLib::Point3d const& d)
+{
+ const MathLib::Vector3 ab(a, b);
+ const MathLib::Vector3 ac(a, c);
+ const MathLib::Vector3 ad(a, d);
+ return std::abs(MathLib::scalarTriple(ac, ad, ab)) / 6.0;
+}
+
+} // end namespace MathLib
diff --git a/MathLib/GeometricBasics.h b/MathLib/GeometricBasics.h
new file mode 100644
index 0000000000000000000000000000000000000000..c33fd7b6f596101f6b6444f1a0a431d994e2f4ae
--- /dev/null
+++ b/MathLib/GeometricBasics.h
@@ -0,0 +1,33 @@
+/**
+ *
+ * \copyright
+ * Copyright (c) 2012-2016, OpenGeoSys Community (http://www.opengeosys.org)
+ * Distributed under a Modified BSD License.
+ * See accompanying file LICENSE.txt or
+ * http://www.opengeosys.org/project/license
+ *
+ */
+
+#ifndef GEOMETRIC_BASICS_H_
+#define GEOMETRIC_BASICS_H_
+
+#include <cstddef>
+
+namespace MathLib
+{
+
+template <typename T, std::size_t DIM> class TemplatePoint;
+typedef MathLib::TemplatePoint<double,3> Point3d;
+
+/**
+ * Calculates the volume of a tetrahedron.
+ * The formula is V=1/6*|a(b x c)| with a=x1->x2, b=x1->x3 and c=x1->x4.
+ */
+double calcTetrahedronVolume(MathLib::Point3d const& x1,
+ MathLib::Point3d const& x2,
+ MathLib::Point3d const& x3,
+ MathLib::Point3d const& x4);
+
+} // end namespace MathLib
+
+#endif
diff --git a/MeshLib/Elements/HexRule8.cpp b/MeshLib/Elements/HexRule8.cpp
index 8847cfc43d4f6621ba7f3fa6414eab50a09ab10f..db669c01b53c10ac0ea4482d9d063b97db6e9a7f 100644
--- a/MeshLib/Elements/HexRule8.cpp
+++ b/MeshLib/Elements/HexRule8.cpp
@@ -14,6 +14,7 @@
#include "logog/include/logog.hpp"
#include "GeoLib/AnalyticalGeometry.h"
+#include "MathLib/GeometricBasics.h"
#include "MeshLib/Node.h"
#include "Quad.h"
@@ -62,12 +63,12 @@ const Element* HexRule8::getFace(const Element* e, unsigned i)
double HexRule8::computeVolume(Node const* const* _nodes)
{
- return GeoLib::calcTetrahedronVolume(*_nodes[4], *_nodes[7], *_nodes[5], *_nodes[0])
- + GeoLib::calcTetrahedronVolume(*_nodes[5], *_nodes[3], *_nodes[1], *_nodes[0])
- + GeoLib::calcTetrahedronVolume(*_nodes[5], *_nodes[7], *_nodes[3], *_nodes[0])
- + GeoLib::calcTetrahedronVolume(*_nodes[5], *_nodes[7], *_nodes[6], *_nodes[2])
- + GeoLib::calcTetrahedronVolume(*_nodes[1], *_nodes[3], *_nodes[5], *_nodes[2])
- + GeoLib::calcTetrahedronVolume(*_nodes[3], *_nodes[7], *_nodes[5], *_nodes[2]);
+ return MathLib::calcTetrahedronVolume(*_nodes[4], *_nodes[7], *_nodes[5], *_nodes[0])
+ + MathLib::calcTetrahedronVolume(*_nodes[5], *_nodes[3], *_nodes[1], *_nodes[0])
+ + MathLib::calcTetrahedronVolume(*_nodes[5], *_nodes[7], *_nodes[3], *_nodes[0])
+ + MathLib::calcTetrahedronVolume(*_nodes[5], *_nodes[7], *_nodes[6], *_nodes[2])
+ + MathLib::calcTetrahedronVolume(*_nodes[1], *_nodes[3], *_nodes[5], *_nodes[2])
+ + MathLib::calcTetrahedronVolume(*_nodes[3], *_nodes[7], *_nodes[5], *_nodes[2]);
}
bool HexRule8::isPntInElement(Node const* const* _nodes, MathLib::Point3d const& pnt, double eps)
diff --git a/MeshLib/Elements/PrismRule6.cpp b/MeshLib/Elements/PrismRule6.cpp
index 8a7643c0afd359fecd29ba3d8f813525aabde782..8a1f72546f5d29e870035c50e69bb5af8802c8d2 100644
--- a/MeshLib/Elements/PrismRule6.cpp
+++ b/MeshLib/Elements/PrismRule6.cpp
@@ -12,6 +12,7 @@
#include "logog/include/logog.hpp"
#include "GeoLib/AnalyticalGeometry.h"
+#include "MathLib/GeometricBasics.h"
#include "MeshLib/Node.h"
#include "Quad.h"
@@ -71,9 +72,9 @@ const Element* PrismRule6::getFace(const Element* e, unsigned i)
double PrismRule6::computeVolume(Node const* const* _nodes)
{
- return GeoLib::calcTetrahedronVolume(*_nodes[0], *_nodes[1], *_nodes[2], *_nodes[3])
- + GeoLib::calcTetrahedronVolume(*_nodes[1], *_nodes[4], *_nodes[2], *_nodes[3])
- + GeoLib::calcTetrahedronVolume(*_nodes[2], *_nodes[4], *_nodes[5], *_nodes[3]);
+ return MathLib::calcTetrahedronVolume(*_nodes[0], *_nodes[1], *_nodes[2], *_nodes[3])
+ + MathLib::calcTetrahedronVolume(*_nodes[1], *_nodes[4], *_nodes[2], *_nodes[3])
+ + MathLib::calcTetrahedronVolume(*_nodes[2], *_nodes[4], *_nodes[5], *_nodes[3]);
}
bool PrismRule6::isPntInElement(Node const* const* _nodes, MathLib::Point3d const& pnt, double eps)
diff --git a/MeshLib/Elements/PyramidRule5.cpp b/MeshLib/Elements/PyramidRule5.cpp
index 1f50cac8fc2e889146f3eac55a694d1ce0726f3c..98b3edcfdace8225dc088e41996b199976dcac29 100644
--- a/MeshLib/Elements/PyramidRule5.cpp
+++ b/MeshLib/Elements/PyramidRule5.cpp
@@ -12,6 +12,7 @@
#include "logog/include/logog.hpp"
#include "GeoLib/AnalyticalGeometry.h"
+#include "MathLib/GeometricBasics.h"
#include "MeshLib/Node.h"
#include "Quad.h"
@@ -70,8 +71,8 @@ const Element* PyramidRule5::getFace(const Element* e, unsigned i)
double PyramidRule5::computeVolume(Node const* const* _nodes)
{
- return GeoLib::calcTetrahedronVolume(*_nodes[0], *_nodes[1], *_nodes[2], *_nodes[4])
- + GeoLib::calcTetrahedronVolume(*_nodes[2], *_nodes[3], *_nodes[0], *_nodes[4]);
+ return MathLib::calcTetrahedronVolume(*_nodes[0], *_nodes[1], *_nodes[2], *_nodes[4])
+ + MathLib::calcTetrahedronVolume(*_nodes[2], *_nodes[3], *_nodes[0], *_nodes[4]);
}
bool PyramidRule5::isPntInElement(Node const* const* _nodes, MathLib::Point3d const& pnt, double eps)
diff --git a/MeshLib/Elements/TetRule4.cpp b/MeshLib/Elements/TetRule4.cpp
index 1d9ca6e4546abab2fadfc7881d8f28992dbe9dc8..daeee3683381dd24d33567be34a4b91cb56f7bba 100644
--- a/MeshLib/Elements/TetRule4.cpp
+++ b/MeshLib/Elements/TetRule4.cpp
@@ -14,6 +14,7 @@
#include "logog/include/logog.hpp"
#include "GeoLib/AnalyticalGeometry.h"
+#include "MathLib/GeometricBasics.h"
#include "MeshLib/Node.h"
#include "Tri.h"
@@ -54,7 +55,7 @@ const Element* TetRule4::getFace(const Element* e, unsigned i)
double TetRule4::computeVolume(Node const* const* _nodes)
{
- return GeoLib::calcTetrahedronVolume(*_nodes[0], *_nodes[1], *_nodes[2], *_nodes[3]);
+ return MathLib::calcTetrahedronVolume(*_nodes[0], *_nodes[1], *_nodes[2], *_nodes[3]);
}
bool TetRule4::isPntInElement(Node const* const* _nodes, MathLib::Point3d const& pnt, double eps)