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Hi,
The normal vector (a,b,c) is the direction the plane faces. So a ground plane will be facing upwards along the y-axis. The vector for this would be (0,1,0). If you wanted a plane to face along the x-axis then the normal vector would be (1,0,0).
The last parameter is the distance the plane will be offset in the direction of its normal vector. If your plane is facing upwards and the value is 5 then the plane will be 5 meters above the origin.
Is there something specific you are trying to accomplish with planes that you need help with?
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01-09-2006, 11:16 AM
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