Hi Patrick,<br>can you post your models and model files?  That would help me diagnose the problem.<br>Thanks,<br>John<br><br><div class="gmail_quote">On Mon, Oct 25, 2010 at 8:42 AM, Patrick McMichael <span dir="ltr">&lt;<a href="mailto:patrickm@rec.ri.cmu.edu">patrickm@rec.ri.cmu.edu</a>&gt;</span> wrote:<br>

<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">Hello,<br>
<br>
Recently, I&#39;ve been using cturtle ROS and it&#39;s ogre/ode/player/gazebo<br>
simulation environment for my robot.  After successfully constructing<br>
the kinematic, collision, and visual model of my robot, I am now<br>
focusing more on the room in which the robot will operate.<br>
<br>
My question is how/why some things in environment models are collision<br>
enabled, and others aren&#39;t.  For example, I have two STL models that are<br>
both loaded into the world in the same way (via .model files).  One of<br>
them (the one representing the room walls) seems to automatically result<br>
in collidable walls.  The other basically allows the robot to move right<br>
through it as if it weren&#39;t even there.<br>
<br>
Any ideas?  Is this a question I should ask somewhere else?  If so, where?<br>
<br>
Regards,<br>
<br>
Patrick<br>
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</blockquote></div><br>