Direction Parameter for acml

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Hi,

Given the pose data below what one do I need to set to make sure the robot is pointing in the expected direction?

pose: pose: position: Hi

Given the pose data below what parameters do I have to set on the acml to ensure it's pointed where expected.

Thanks

Mark

x: -1.83536243439 y: 1.48194217682 z: 0.0 orientation: x: 0.0 y: 0.0 z: 0.999583670749 w: 0.0288528191353 covariance: [0.25, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.25, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.06853891945200942]