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Camera Phone Predator Alert Act Circumvention App
01-27-2009
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LIGHTSPEED(1) General Commands Manual LIGHTSPEED(1) NAME
lightspeed - Shows how objects moving at speeds near the speed of light look like. SYNOPSIS
lightspeed [-hsa] [object] DESCRIPTION
Light Speed! is a simulator which can illustrate the effects of special relativity on the appearance of objects travelling at ultra-high speeds. Depending on the particular speed, and one's point of view, relativistic effects can cause the object to appear shorter, longer, brighter, darker, deformed and/or off-color. CONTROLS
To adjust the velocity, use the slider along the right edge of the main window. You can also type in a value, using the entry at the top right (press <Enter> once it is in). To change the units shown, press the button to the right of the entry, and it will cycle through a small list. The object travels in the positive-x direction, which can be visually checked by activating Objects -> Coordinate axes. Most interactive control is performed with the mouse. By holding down a particular button, and dragging the pointer around, various camera motions can be obtained: Left button: Revolve camera around view target Left button + Shift key: Revolve view target around camera Middle button: Translate camera left, right, up or down Right button: Dolly in or out The first and last motions are generally the most useful. Should the camera become difficult to control at any point, it may be re-ini- tialized by selecting Camera -> Reset View. OPTIONS
-h, --help Print this help screen -s, --simple Use simplified interface -a, --advanced Use advanced interface (default) object 3D file to load on startup (.3DS or .LWO) April 2000 LIGHTSPEED(1)