Constraining Camera Position and Motion

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‌Constraining Camera Position and Motion ‌

Sometimes you may already know some or all of the path of the camera, for example,

 it may be available from a motion controlled camera,

 the camera motion may be mechanically constrained by a camera dolly,

 you may have measured some on-set camera data to determine overall scene sizing, or

 you may have already solved the camera path, then hand-edited it for cleanup, or

 the shot may have little perspective, and you wish to edit the path to create a smooth non-jittering depth curve.

SynthEyes lets you take advantage of this information to improve a solution or help set up the coordinate system, using the trajectory lock controls at the bottom of the Solver Control Panel , the Hard and Soft Lock Control dialog, and the camera’s seed path information.

Warning: using camera position, orientation, and field of view locks is a very advanced topic. You need to thoroughly understand SynthEyes and the coordinate system setup process, and have excellent mental visualization skills, before you are ready to consider camera locks. Under no

circumstances should they be considered a way to compensate for inadequate basic tracking skills!!!

Concept and Terminology Basic Operation Using a Camera Height Measurement A Straight Dolly Track Setup Using a Supplied Camera Path Camera-based Coordinate System Setup Soft Locks Overall Distance Locks Orientation Locks Locks in Object Tracking

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