:tocdepth: 3 .. _tuimergeelements: ============== Merge elements ============== Merge 2 quadrangles:: l = doc.mergeQuads(qa, qb, va1, vb1, va2, vb2) where: - qa and qb are quadrangles. qa is the target quadrangle. - va1, vb1, va2, vb2 are vertices va1 : vertex of the quadrangle qa to merge with the vertex vb1 of the quadrangle qb. va2 : vertex of the quadrangle qa to merge with the vertex vb2 of the quadrangle qb. va1, vb1, va2, vb2 can be set to `None` if the quadrangles are contiguous. Merge 2 edges:: l = doc.mergeEdges(e1, e2, v1, v2) where: - e1 and e2 are edges - v1 is the vertex of the edge e1 to merge with the vertex v2 of the edge e2 Merge 2 vertices:: l = doc.mergeVertices(v1, v2) where v1 and v2 are vertices. GUI command: :ref:`guimergeelements`