Commit dbd68a89 authored by 's avatar

if statement to prevent null CAD

parent abdeefd2
......@@ -113,7 +113,9 @@ void ProcessPerAlign::Process()
if (tmp1.size() == 1)
{
if (!dir.size() && m_mesh->m_spaceDim == 2)
//if the direction is not specified and its a 2D mesh and there is CAD
//it can figure out the dir on its own
if (!dir.size() && m_mesh->m_spaceDim == 2 && m_mesh->m_cad)
{
Array<OneD, NekDouble> T =
m_mesh->m_cad->GetPeriodicTranslationVector(surf1, surf2);
......
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