def gGetCoordinateSystem (view):                        #<a name="gGetCoordinateSystem"</a>[<a href="g.html#gGetCoordinateSystem">Doc</a>]
    """Returns the normal values associated with this view as a tuple
         (x1, y1, x2, y2, corner)
         where x1 and x2 are the left and right values
         and y1 and y2 are the top and bottom values
         and corner specifies which corner values are relative to"""
    if view.csLeft <= view.csRight:
        if view.csBottom <= view.csTop:
            corner = 'lowerLeft'
        else:
            corner = 'upperLeft'
    elif view.csBottom <= view.csTop:
        corner = 'lowerRight'
    else:
        corner = 'upperRight'
    return min(view.csLeft, view.csRight), min(view.csTop, view.csBottom), \
              max(view.csRight, view.csLeft), max(view.csTop, view.csBottom), \
              corner