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Marker
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.. figure:: /images/movie-clip_tracking_clip_sidebar_track_marker_parameter.svg
   :width: 520px
   :align: center

   Marker schematic.

This panel contains numerical settings for marker position,
pattern and search area dimensions, and offset of anchor point from pattern center.

Enabled
   Toggles the markers affect on the current frame.

Position X, Y
   The X/Y positions of the marker at frame in screen coordinates.

Offset X, Y
   The X/Y offset to parenting point.

Pattern Area Width, Height
   The width/height of a marker's pattern in screen coordinates.

Search Area X, Y
   The X/Y position of search at frame relative to the marker's position.

Search Area Width, Height
   The width/height of the markers search in screen coordinates.
