[ros-users] Error with *.stl format when using planning_environment and arm_navigation in unstable ROS version

[John Hsu]

It does look like the first few characters of arm0.stl starts with "solid
First_firstpiece", I guess somehow assimp is confused into thinking the mesh
is an ascii stl instead of correctly seeing it as a binary stl?  Running it
through ivcon removes those characters too, but ultimately, I think this
deserves a ticket under robot_model:

https://code.ros.org/trac/ros-pkg/ticket/4740

thanks,
John

On Fri, Jan 28, 2011 at 3:11 PM, Mrinal Kalakrishnan <mail at mrinal.net>wrote:

> Hi Felix,
>
> On Fri, Jan 28, 2011 at 2:51 PM, Felix Messmer <felix_messmer at web.de>
> wrote:
> > Hi John,
> >
> > thanks for your reply!
> > Our *.stl files are already in binary format.
>
> Make sure that your binary .stl files do not start with the word
> "solid", because that would get interpreted as an ascii STL file,
> according to the spec. I think the cturtle versions used to handle
> this ok, but not the new versions. If this is the case, simply
> overwriting the word "solid" with a hex editor into anything else
> should fix the issue.
>
> Hope this helps,
> Mrinal
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