Difference between revisions of "Calibration Squares"

(Created page with "During Calibration process, a calibration square is used to define global coordinate axes as well as the ground plane for the capture volume. ==Calibration Square Types a...")
 
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During [[Calibration]] process, a calibration square is used to define global coordinate axes as well as the ground plane for the capture volume.
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==Calibration Square Types and Conventions==
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[[OptiTrack Documentation Wiki|Back to the Main Page]]
==Custom Calibration Square==
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----
{|class="wikitable"
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|+Calibration Squares
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!Square Type
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!Descriptions
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|-
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|[[Image:calibrationSquareCS100.jpg|200 px]]
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|CS-100
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|-
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|[[Image:calibrationSquareCS200.jpg|200 px]]
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|CS-200
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|-
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|[[Image:Calib_Square.jpg|200 px]]
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|CS-400
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|-
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|[[File:Motive1.7Ori.png|200 px]]
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|Legacy L-frame square
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|}
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==Coordinate System==
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For Motive 1.7 or higher, Right-Handed Coordinate System is used as the standard, across internal and exported formats and data streams. As a result, Motive 1.7 now interprets the L-Frame differently than previous releases:
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====Motive 1.6 and earlier====
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L-Frame long (marked Z) "leg" interpreted as -Z, L-Frame short (unlabeled) leg interpreted as +X
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[[File:Motive1.6Ori.png|frame|left|Motive 1.6 L-Frame]]
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<br clear=all>
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=====Motive 1.7+=====
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L-Frame long (marked Z) "leg" interpreted as +Z, L-Frame short (unlabeled) leg interpreted as -X
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[[File:Motive1.7Ori.png|frame|left|Motive 1.7 L-Frame]]
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<br>
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<br clear=all>
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The simplest method to account for this change is to '''rotate the L-Frame 180° during calibration''' (rotating "around the Y axis"). If the L-Frame is not rotated during calibration, Motive will display inverted global coordinates when comparing the same data in Motive 1.7 and Motive 1.6 and earlier:
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[[File:Motive1.7Coordinate-LFrameImplications.png|400px|left]]
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[[File:Motive1.6Coordinate-LFrameImplications.png|400px|center]]
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Revision as of 00:45, 6 November 2015

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