I just finished sewing four "simple" panels of Chinese brocade to cover the atrium door windows for a client. You'd think this would be a simple drapery project, but it turned nasty. Atrium doors have paned windows and to cover them, you put a rod top and bottom with a curtain between the rods. This means that the curtain has be precisely made, or it won't hang well. The fabric stretched, crept and generally was bitchy. My recommendation is to fold and sew the side hems first, then the top rod pocket. Then measure one last time and fold and sew the bottom pocket. This will avoid having to rip and resew when you find out the panel is not the right size, or not square.
To hang, mount your top rod on the door and hang the panel(s). Put the bottom rod into the pocket, and mark where the bottom brackets should go. Ideally, the curtain should be tight, but not stretched, between the rods.
