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| optional double  | c1 = 2 | 
|   | Linear image scaling factor.  More...
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| optional double  | c2 = 3 | 
|   | Angle scaling factor.  More...
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| optional double  | c3 = 4 | 
|   | Angle offset factor.  More...
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| message  | CameraLens | 
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| optional double  | cutoff_angle = 8 | 
|   | Everything outside of this angle will be hidden, the angle is counted from camera's X (forward) axis.  More...
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| optional int32  | env_texture_size = 10 | 
|   | Size of cube map texture, used to store intermediate rendering result.  More...
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| optional double  | f = 5 | 
|   | Linear scaling factor, unlike c1, will be adjusted to match hfov if scale_to_fov is set to true.  More...
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| optional string  | fun = 6 | 
|   | Angle modification function.  More...
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| optional double  | hfov = 9 | 
|   | Horizontal field of view in radians.  More...
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| package gazebo  | msgs | 
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| optional bool  | scale_to_hfov = 7 | 
|   | Scale image to fit horizontal FOV.  More...
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|   | syntax = "proto2" | 
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