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Fix landing target image (#611)

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Hamish Willee
2025-06-11 16:36:54 +10:00
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parent 0337d872bd
commit 9ad9eae2fa
2 changed files with 1 additions and 1 deletions
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assets/protocols/landing_target_definitions.png
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en/services/landing_target.md
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@@ -38,7 +38,7 @@ The [LANDING_TARGET](../messages/common.md#LANDING_TARGET) fields that are relat
The positional information can be interpreted as described below.
Imagine a ray pointing from the camera's principal point to the target.
Imagine a ray pointing from the camera's optical centre to the target.
The x angle (`angle_x`) is the angle spanned by that ray and the x-axis of the image plane. The same holds for the y angle (`angle_y`).
In other words, the x angle is a function of the x pixel coordinate of the target (denoted by _u̅_ in the image below), the y angle is a function of the y pixel coordinate (denoted _v_ in the image below).
Using the angle rather than _u̅/v̅_ pixel coordinates has the advantage that the effect of the camera lens is already accounted for.