.. _bpy.types.CompositorNodeTrackPos: ******************* Track Position Node ******************* .. figure:: /images/compositing_node-types_CompositorNodeTrackPos.png :align: right Track Position Node. The *Track Position node* is used to return information about a tracking marker to the Compositor. Inputs ====== This node as no inputs. Properties ========== Movie Clip Used to select a Movie Clip data-block to use, for controls see :ref:`ui-data-block`. Tracking Object Camera object to get track information from. Track Name The name of the track to get track information from. Position Which marker position to use for output. Absolute Outputs an absolute position of a marker. Relative Start Outputs the positions of a marker relative to the first marker of a track. Relative Frame Outputs the positions of a marker relative to the markers of the given *Frame*. Absolute Frame Outputs the absolute positions of a marker at the given *Frame*. Outputs ======= X/Y The marker's X and Y location. Speed The velocity of the marker, measured in pixels per frame. This could be used to fake effects like motion blur by connecting it to the Vector Blur Node.