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2013-11-29 07:18:26 -0600 asked a question libgazebo_sdf_interface no found while running Gazebo-1.9

When I run gazebo-1.9.1 on the terminal (as a standalone and installed from a debian pkg) I always get the same error:

gazebo-1.9.1: error while loading shared libraries: libgazebo_sdf_interface.so.1: cannot open shared object file: No such file or directory

As far as I know this library is no more used by gazebo. Previously I had installed gazebo-1.0.1, by source. Before trying with 1.9 I unistalled the 1.0.1 by deleting the gazebo contents in /usr/local, where it was installed. So it seems to me that somehow gazebo is still looking for the old libraries. Somebody has any idea of how to fix that? I have done exactly the same in my laptop (or that's what I believe...) and the 1.9 version works perfectly.

I have seen several questions related with this one:

eg. link text

but all of them where related with the integration with ROS, which is not the case. Thanks in advance!

EDIT: I found where the error came from. As I said previously I had installed gazebo-1.0.1 and when uninstalling it (manually) I forgot to delete the gzserver executables in local/bin, so gazebo1.9.1 was calling gzserver1.0.1 which tried to find its libraries which were already deleted.

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2012-11-02 04:58:43 -0600 asked a question Naive object recognition based on laser sensor

Hello, I want to use the RaySensor plugin to get the id of the nearest object each ray intersect (instead of the range). I saw the GetFiducial() function, but don't know if it provides this information, could anybody tell me?.

If not, I've seen that the RayShape class has a GetIntersection() function, which I think that returns the information I need. But it would be grand not to have to build a new RaySensor based of RayShape.

Before I discovered this Gazebo forum I posed this same question in the ros answers forum:

link text

, but I think that it fix better here, that's why I'm repetting it.

Thanks in advance!