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Both sides previous revision Previous revision | |||
eyes:coordinatesandconventions [2017/06/08 10:46] jschlie1 |
eyes:coordinatesandconventions [2017/06/08 10:47] (current) jschlie1 |
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{{:eyes:counterclockwise.png}} | {{:eyes:counterclockwise.png}} | ||
- | ===== Rotation Conventions ===== | + | ===== Coordinate System with Rotation ===== |
- | ==== Coordinate System with Rotation ==== | + | |
{{:eyes:coordinatesystemrotation.png}} | {{:eyes:coordinatesystemrotation.png}} | ||
Shown is the Coordinate system with rotation directions. | Shown is the Coordinate system with rotation directions. | ||
- | ==== Image Placement ==== | + | ===== Image Placement ===== |
{{:eyes:imagecoordinatesystem.png}} | {{:eyes:imagecoordinatesystem.png}} | ||
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The rotation center is marked in the middle of the image. | The rotation center is marked in the middle of the image. | ||
- | ==== Definition of Coordinate Axes: ==== | + | ===== Definition of Coordinate Axes ===== |
* X-Axis (Axis of abscissas) from left to right | * X-Axis (Axis of abscissas) from left to right | ||
* Y-Axis (Axis of ordinates) from top to bottom | * Y-Axis (Axis of ordinates) from top to bottom | ||
* Z-Axis (Axis of applicants) from front to back | * Z-Axis (Axis of applicants) from front to back | ||
- | ==== Euler Convention: ==== | + | ===== Euler Convention ===== |
**ZXZs** | **ZXZs** | ||
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- Gamma (γ) rotation around static global Z-Axis | - Gamma (γ) rotation around static global Z-Axis | ||
- | ==== Rotation: ==== | + | ===== Rotation ===== |
* Rotations use the right hand thumb rule. | * Rotations use the right hand thumb rule. | ||
* If right thumb points along an axis, then curved fingers point in the positive direction of rotation. | * If right thumb points along an axis, then curved fingers point in the positive direction of rotation. | ||
* The rotation center is the center of the image. | * The rotation center is the center of the image. |