Being able to see out through windows is as important to a house as is the admission of daylight and air.
The outdoor scene which the occupants will view from the house, is the determination of the size of the windows and the placement of the windows.
Sometimes the house is placed on a lot to command a picturesque landscape scene, sometimes the home-owner or architect finds it necessary to create a pleasant view to hide a less desirable one -
i.e., a planted area to hide an alley.
Large glass areas extend indoor space outward, making outdoor living areas an integral part of the house.
may arise when a house is set on the lot to command a natural view on the east or west since Problems in window placement it is difficult to shade the occupants' eyes from the sun early or late in the day.
Devices to keep the sun's rays away from the windows may obstruct the view.
View windows on the north can be protected from the sun's rays by a roof overhang; those on the south are not bothered by the sun.
The glare of the sun on an east-west orientation for a view located within the boundaries of a lot is not difficult to control.
Fences and tall shrubbery instead of obstructing the view actually define it.
Generally the proportions of the window can be scaled to the view-
a horizontal window for a panoramic view, such as a mountain range;
a vertical window for a confined view, such as a terrace.
In selecting windows to frame any view, it is important to avoid those having obstructions which interfere with the view. The windows should be placed at carefully determined heights so that the sills and intermediate divisions do not obstruct the line of sight, either that of tall or short adults.
Windows 
