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#7909 : Add helper function to get edge vertices of a cell

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This commit is contained in:
Magne Sjaastad
2021-08-27 11:11:49 +02:00
parent 6547ef1525
commit 1afba6c436
4 changed files with 102 additions and 1 deletions
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45
Fwk/AppFwk/CommonCode/cvfStructGrid.cpp
View File

@@ -153,6 +153,51 @@ void StructGridInterface::cellFaceVertexIndices( FaceType face, cvf::ubyte verte
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
std::pair<ubyte, ubyte> StructGridInterface::edgeVertexIndices( FaceType face1, FaceType face2 )
{
//
// Return the two shared vertex indices between two faces
// Asserts if the two faces do not have any shared vertices
// The ordering is identical to the ordering in StructGridInterface::cellFaceVertexIndices
//
// Ensure face1 has the largest enum value
if ( face2 > face1 ) std::swap( face1, face2 );
if ( face1 == NEG_K )
{
if ( face2 == NEG_I ) return { 0, 3 };
if ( face2 == POS_I ) return { 2, 1 };
if ( face2 == NEG_J ) return { 1, 0 };
if ( face2 == POS_J ) return { 3, 2 };
}
if ( face1 == POS_K )
{
if ( face2 == NEG_I ) return { 7, 4 };
if ( face2 == POS_I ) return { 5, 6 };
if ( face2 == NEG_J ) return { 4, 5 };
if ( face2 == POS_J ) return { 6, 7 };
}
if ( face1 == NEG_J )
{
if ( face2 == NEG_I ) return { 4, 0 };
if ( face2 == POS_I ) return { 1, 5 };
}
if ( face1 == POS_J )
{
if ( face2 == NEG_I ) return { 3, 7 };
if ( face2 == POS_I ) return { 6, 2 };
}
return {};
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------

3
Fwk/AppFwk/CommonCode/cvfStructGrid.h
View File

@@ -120,6 +120,9 @@ public:
static GridAxisType gridAxisFromFace( FaceType face );
static std::pair<ubyte, ubyte> edgeVertexIndices( cvf::StructGridInterface::FaceType face1,
cvf::StructGridInterface::FaceType face2 );
private:
mutable double m_characteristicCellSizeI;
mutable double m_characteristicCellSizeJ;