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Things to consider include: Screen size, projector distance location, mini-kitchen, placement of audio equipment, sloped and/or tiered seating arrangements, size of couches or chairs.
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Use a stud finder to locate a ceiling stud within the appropriate range of screen-to-projector distances.
It has four microphones and three little lenses: a video camera, an infrared projector and a distance sensor.
The minimum distance for this projector is eight inches from your "screen"; the maximum is 8.5 feet away, at which point you get a 65-inch image.
The size of the projected image depends on the distance of the projector from the screen and the focal length of the projection lens.
The minimum distance on the projector is 50cm, which gives you the equivalent 15 inch display.
Some are also flexible: various fields of views can be recorded with a single sensor through changing elements, either camera lenses or by varying the baseline, i.e. the distance between the projector(s) and camera.
The geometric parameters of the system setup include the angle between the optical axis of the projector and the camera, the distance between optical center of camera system and reference plane, the focal length of camera system and the periodicity of projected fringe patterns, etc.
The amount by which these image measurement errors are converted into triangulation errors is determined by the 'baseline' (distance between the projector and camera).
Measure the projection and adjust the distance of the projector from the wall until you achieve the right size flower.
Adjust the distance between the projector and the wall and the size of the picture on the laptop to change the size of the picture on the wall.
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