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Yaw, Pitch and Roll Angles
The Yaw (direction), Pitch (tilt) and roll values for the camera, plane and objects are defined as described in the following diagram.
Yaw values
Range from 0 to 360 where 0=North, 90=East, 180=South and 270=West. TerraExplorer Pro adjusts illegal values to this range by modulating the illegal number.
Pitch values
Range from -90 to +90 where 0 = Horizon, +90 = straight up and –90 = straight down. TerraExplorer Pro adjusts illegal values to this range by modulating the illegal number.
Roll values
Range from -90 to +90 where 0 = Horizon, +90 = Full roll right and –90 = Full roll left. TerraExplorer Pro adjusts illegal values to this range by modulating the illegal number.
假设存在一个点A。
当Yaw=0表示从正南往正北看该点，Yaw=90表示从正东往正西看该点，以此类推，值范围（0至360）。
当Pitch =0表示水平看改点，Pitch =45表示从下往上45度仰视看改点，Pitch =-45表示从上往下45度俯视改点，以此类推，值范围（-90至90）。
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