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As compared to conventional "matte white" screens, aluminized silver screens often tend to be quite a bit more directional.   They also tend to resolve more detail, produce better color, have an improved contrast ratio, and reject ambient light more effectively.   However, since they are more directional, the images reflected off of them appear to be brighter on-axis, and dimmer off-axis.   Since the typical seating area that is on-axis is usually much smaller than the seating area that is off-axis, especially in wider auditoriums, most of the audience usually sees a dimmer-than-normal picture. This, compounded with the attenuation of the viewing glasses, means that for many people, shadow detail is diminished or obscured. As such, the producer creating images to be projected on these screens should be careful not to include important detail in darker areas of the image. This is especially important if these image parts or the action in those areas is critical to an understanding of the storyline. Seats in the front corners of the auditorium should be either roped off or marked, such as the color-coding shown here, such that patrons know not to sit there, due to the unsatisfactory image quality in those locations.