This program shows how to pick cells on a mesh representation and also how to highlight and manage the list of picked cells.
A hexahedron mesh is loaded at start-up. The full mesh skin is added to the scene.
Click on the viewer's arrow icon to switch from viewing mode to selection mode.
Move the mouse cursor over the mesh skin and click the left mouse button. Picked cells are drawn in cyan.
SoPickedPoint, SoEventCallback, MoMesh, MoMeshSkin, MoMeshCellShape, MoFaceDetailI, MoMeshDetail, MoDrawStyle, MoMaterial