VTK/3DConnexion Devices Support Implementation Work Sheet
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Revision as of 18:18, 26 August 2009 by Francoisbertel (talk | contribs) (→Mismatch between documentations)
Mismatch between documentations
There is a mismatch between the old Win SDK, new Win SDK, and Mac SDK about the sign of axes of translation and rotation.
All documents state: "The home position for the device is with the negative Z-axis pointing towards the screen."
In bold are the cases that match the above sentense (mostly old Windows SDK).
oldWin newWin Mac
Translations:
Device illustration | old | new | Mac |
---|---|---|---|
arrow pointing away from the screen | Translate Z-axis 0 to -MAX | Translate Z-axis 0 to MAX | Translate Z-axis 0 to -MAX |
arrow pointing towards the screen | Translate Z-axis 0 to MAX | Translate Z-axis 0 to -MAX | Translate Z-axis 0 to MAX |
arrow pointing up | Translate Y-axis 0 to MAX | Translate Y-axis 0 to MAX | Translate Y-axis 0 to -MAX |
arrow pointing down | Translate Y-axis 0 to -MAX | Translate Y-axis 0 to -MAX | Translate Y-axis 0 to MAX |
arrow pointing right | Translate X-axis 0 to MAX | Translate X-axis 0 to MAX | Translate X-axis 0 to MAX |
arrow pointing left | Translate X-axis 0 to -MAX | Translate X-axis 0 to -MAX | Translate X-axis 0 to -MAX |
Rotations:
Device illustration | old | new | Mac |
---|---|---|---|
arrow turning left | Rotate Z-axis 0 to -MAX | Rotate Z-axis 0 to MAX | Rotate Z-axis 0 to -MAX |
arrow turning right | Rotate Z-axis 0 to MAX | Rotate Z-axis 0 to -MAX | Rotate Z-axis 0 to MAX |
arrow turning clockwise when the user looks at the table | Rotate Y-axis 0 to -MAX | Rotate Y-axis 0 to -MAX | Rotate Y-axis 0 to MAX |
arrow turning counter clockwise when the user looks at the table | Rotate Y-axis 0 to MAX | Rotate Y-axis 0 to MAX | Rotate Y-axis 0 to -MAX |
arrow turning down towards the user | Rotate X-axis 0 to MAX | Rotate X-axis 0 to MAX | Rotate X-axis 0 to MAX |
arrow turning up towards the screen | Rotate X-axis 0 to -MAX | Rotate X-axis 0 to -MAX | Rotate X-axis 0 to -MAX |