Dear Customers,

The PolySync Support Center is now just for submitting tickets to our support team. All articles and tutorials have been moved to the new PolySync Help Center and the content below will be removed shortly.

Thank you,
The PolySync Team

Active coordinate frames

Using the SDF Configurator, PolySync sensor nodes can be configured to specify the active coordinate frame.

When working on a sensor node in the SDF Configurator you will find the Active Coordinate Fame Identifier as the top parameter in the *Node Configuration* parameters panel.

2 - Not Available

Coordinate frame not available. This is typically used for nodes that don't have or don't need a coordinate frame.

3 - Local (Sensor)

Standard right handed PolySync local coordinate frame, also known as the vehicle coordinate frame.

4 - Platform

Standard right handed PolySync platform coordinate frame. Fixed in the platform body, i.e. a fixed body coordinate system.

PolySync vehicle coordinates conform to ISO8855:1991 and SAE J670:JAN2008 and follow the conventions shown below. Axis and angle of rotation are right handed.

For the Vehicle Centered Reference Coordinate Frame (VCRF), the origin is the **center of the rear axle on the ground**.


5 - Relative

Standard right handed PolySync relative coordinate frame. Typically based on a dead-reckoned navigation solution.

6 - Absolute

Standard right handed PolySync absolute coordinate frame. Typically based on an absolute or world navigation solution like WGS84 UTM coordinate Frame in a given zone.

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