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#1091 - pre-proto - Adding function for finding an "average" z direction, as the vector normal to the vectors between face centers in i and j.

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astridkbjorke
2017-01-24 11:03:07 +01:00
parent 4a37d988a2
commit 030b405d7f
3 changed files with 58 additions and 123 deletions
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32
ApplicationCode/ReservoirDataModel/RigCellGeometryTools.cpp
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@@ -138,4 +138,36 @@ void RigCellGeometryTools::createPolygonFromLineSegments(std::list<std::pair<cvf
}
//--------------------------------------------------------------------------------------------------
/// Returns the a vector normal to the vectors between face centers in I and J direction
///
//--------------------------------------------------------------------------------------------------
void RigCellGeometryTools::findCellAverageZdirection(cvf::Vec3d * hexCorners, cvf::Vec3d &averageZdirection)
{
cvf::ubyte faceVertexIndices[4];
cvf::StructGridInterface::FaceEnum face;
face = cvf::StructGridInterface::NEG_I;
cvf::StructGridInterface::cellFaceVertexIndices(face, faceVertexIndices);
cvf::Vec3d faceCenterNegI = cvf::GeometryTools::computeFaceCenter(hexCorners[faceVertexIndices[0]], hexCorners[faceVertexIndices[1]], hexCorners[faceVertexIndices[2]], hexCorners[faceVertexIndices[3]]);
face = cvf::StructGridInterface::POS_I;
cvf::StructGridInterface::cellFaceVertexIndices(face, faceVertexIndices);
cvf::Vec3d faceCenterPosI = cvf::GeometryTools::computeFaceCenter(hexCorners[faceVertexIndices[0]], hexCorners[faceVertexIndices[1]], hexCorners[faceVertexIndices[2]], hexCorners[faceVertexIndices[3]]);
face = cvf::StructGridInterface::NEG_J;
cvf::StructGridInterface::cellFaceVertexIndices(face, faceVertexIndices);
cvf::Vec3d faceCenterNegJ = cvf::GeometryTools::computeFaceCenter(hexCorners[faceVertexIndices[0]], hexCorners[faceVertexIndices[1]], hexCorners[faceVertexIndices[2]], hexCorners[faceVertexIndices[3]]);
face = cvf::StructGridInterface::POS_J;
cvf::StructGridInterface::cellFaceVertexIndices(face, faceVertexIndices);
cvf::Vec3d faceCenterPosJ = cvf::GeometryTools::computeFaceCenter(hexCorners[faceVertexIndices[0]], hexCorners[faceVertexIndices[1]], hexCorners[faceVertexIndices[2]], hexCorners[faceVertexIndices[3]]);
cvf::Vec3d faceCenterCenterVectorI = faceCenterPosI - faceCenterNegI;
cvf::Vec3d faceCenterCenterVectorJ = faceCenterPosJ - faceCenterNegJ;
averageZdirection.cross(faceCenterCenterVectorI, faceCenterCenterVectorJ);
averageZdirection.normalize();
}