(points, size_u, size_v)
return vertices, quads
Generates a mesh of quadrilateral elements.

    :param points: list of points
    :type points: list, tuple
    :param size_u: number of points on the u-direction (column)
    :type size_u: int
    :param size_v: number of points on the v-direction (row)
    :type size_v: int
    :return: a tuple containing lists of vertices and quads
    :rtype: tuple
Generates a mesh of quadrilateral elements.
Generates a mesh of quadrilateral elements .
def make_quad_mesh(points, size_u, size_v):
    """ Generates a mesh of quadrilateral elements.

    :param points: list of points
    :type points: list, tuple
    :param size_u: number of points on the u-direction (column)
    :type size_u: int
    :param size_v: number of points on the v-direction (row)
    :type size_v: int
    :return: a tuple containing lists of vertices and quads
    :rtype: tuple
    """
    # Numbering
    vertex_idx = 0
    quad_idx = 0

    # Generate vertices
    vertices = []
    for pt in points:
        vrt = Vertex(*pt, id=vertex_idx)
        vertices.append(vrt)
        vertex_idx += 1

    # Generate quads
    quads = []
    for i in range(0, size_u - 1):
        for j in range(0, size_v - 1):
            v1 = vertices[j + (size_v * i)]
            v2 = vertices[j + (size_v * (i + 1))]
            v3 = vertices[j + 1 + (size_v * (i + 1))]
            v4 = vertices[j + 1 + (size_v * i)]
            qd = Quad(v1, v2, v3, v4, id=quad_idx)
            quads.append(qd)
            quad_idx += 1

    return vertices, quads
def make_quad_mesh ( points , size_u , size_v ) : # Numbering vertex_idx = 0 quad_idx = 0 # Generate vertices vertices = [ ] for pt in points : vrt = Vertex ( * pt , id = vertex_idx ) vertices . append ( vrt ) vertex_idx += 1 # Generate quads quads = [ ] for i in range ( 0 , size_u - 1 ) : for j in range ( 0 , size_v - 1 ) : v1 = vertices [ j + ( size_v * i ) ] v2 = vertices [ j + ( size_v * ( i + 1 ) ) ] v3 = vertices [ j + 1 + ( size_v * ( i + 1 ) ) ] v4 = vertices [ j + 1 + ( size_v * i ) ] qd = Quad ( v1 , v2 , v3 , v4 , id = quad_idx ) quads . append ( qd ) quad_idx += 1 return vertices , quads