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Fixed high variance bug when odometry recovers from being lost

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matlabbe
2016-11-30 18:28:48 -05:00
parent a03d0ae4e1
commit f6a29a3e64
1 changed files with 12 additions and 0 deletions
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src/CoreWrapper.cpp
+12
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@@ -659,6 +659,18 @@ bool CoreWrapper::odomUpdate(const nav_msgs::OdometryConstPtr & odomMsg)
// using MIN in case of 3DoF mapping (maybe no parameters are set, except x and yaw for the twist)
float transVariance = uMax3(odomMsg->twist.covariance[0], MIN(odomMsg->twist.covariance[7], BAD_COVARIANCE), MIN(odomMsg->twist.covariance[14], BAD_COVARIANCE));
float rotVariance = uMax3(MIN(odomMsg->twist.covariance[21],BAD_COVARIANCE), MIN(odomMsg->twist.covariance[28], BAD_COVARIANCE), odomMsg->twist.covariance[35]);
if(transVariance == BAD_COVARIANCE)
{
//use the one of the pose
transVariance = uMax3(odomMsg->pose.covariance[0]/2.0, MIN(odomMsg->pose.covariance[7]/2.0, BAD_COVARIANCE), MIN(odomMsg->pose.covariance[14]/2.0, BAD_COVARIANCE));
}
if(rotVariance == BAD_COVARIANCE)
{
//use the one of the pose
rotVariance = uMax3(MIN(odomMsg->pose.covariance[21]/2.0,BAD_COVARIANCE), MIN(odomMsg->pose.covariance[28]/2.0, BAD_COVARIANCE), odomMsg->pose.covariance[35]/2.0);
}
if(uIsFinite(rotVariance) && rotVariance > rotVariance_)
{
rotVariance_ = rotVariance;