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Odometry: Don't assert if dt is negative, just show error if guess from motion / kalman filter is used (https://github.com/introlab/rtabmap_ros/issues/169)

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matlabbe
2017-05-05 16:25:03 -04:00
parent 4d025568dc
commit b25379c243
1 changed files with 14 additions and 2 deletions
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16
corelib/src/Odometry.cpp
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@@ -269,8 +269,20 @@ Transform Odometry::process(SensorData & data, const Transform & guessIn, Odomet
} }
double dt = previousStamp_>0.0f?data.stamp() - previousStamp_:0.0; double dt = previousStamp_>0.0f?data.stamp() - previousStamp_:0.0;
Transform guess = dt && guessFromMotion_ && !previousVelocityTransform_.isNull()?Transform::getIdentity():Transform(); Transform guess = dt>0.0 && guessFromMotion_ && !previousVelocityTransform_.isNull()?Transform::getIdentity():Transform();
UASSERT_MSG(dt>0.0 || (dt == 0.0 && previousVelocityTransform_.isNull()), uFormat("dt=%f previous transform=%s", dt, previousVelocityTransform_.prettyPrint().c_str()).c_str()); if(!(dt>0.0 || (dt == 0.0 && previousVelocityTransform_.isNull())))
{
if(guessFromMotion_)
{
UERROR("Guess from motion is set but dt is invalid! Odometry is then computed without guess. (dt=%f previous transform=%s)", dt, previousVelocityTransform_.prettyPrint().c_str());
}
else if(_filteringStrategy==1)
{
UERROR("Kalman filtering is enalbed but dt is invalid! Odometry is then computed without Kalman filtering. (dt=%f previous transform=%s)", dt, previousVelocityTransform_.prettyPrint().c_str());
}
dt=0;
previousVelocityTransform_.setNull();
}
if(!previousVelocityTransform_.isNull()) if(!previousVelocityTransform_.isNull())
{ {
if(guessFromMotion_) if(guessFromMotion_)