On Fri, May 14, 2010 at 7:30 AM, Nicolas <nicolas@shadowrobot.com> wrote:

Hi Josh and thank you for your answers.

To display TEXT_VIEW_FACING markers, I thought that it would be a good
idea to start with the "basic shapes" tutorial on the wiki, and then to
adapt the C++ file to get "dynamic" text instead of shapes shifting
every second. Unfortunately for me I was right :(

I followed step by step the tutorial, creating my package, implementing
basic_shapes.cpp, building and running the code. Everything went
perfectly well, but my rviz does not display any shape. I checked with
rxgraph that everything was connected and I echoed the
visualization_marker node to check the informations that rviz receives.
Here is an exemple of the echo result:

header:
seq: 176
stamp: 0
frame_id: /my_frame
ns: basic_shapes
id: 0
type: 3
action: 0
pose:
position:
x: 0.0
y: 0.0
z: 0.0
orientation:
x: 0.0
y: 0.0
z: 0.0
w: 1.0
scale:
x: 1.0
y: 1.0
z: 1.0
color:
r: 0.5
g: 0.5
b: 0.5
a: 0.5
lifetime: 0
points: []

Is everything OK ? I cannot figure what the error is, and my rviz still
doesn't display any shape.

TIA,

Nicolas

Le jeudi 13 mai 2010 à 10:35 -0700, Josh Faust a écrit :

> Hi Nicolas,
>
> rviz 1.1 includes a TEXT_VIEW_FACING marker, as well as an option to
> keep a marker relative to a frame (frame_locked).
>
> Do you mean dynamically change the color of one of the robot model
> links? No, there is currently no way of doing that. Another option
> is that 1.1 also contains a MESH_RESOURCE marker, so you could create
> a mesh of the same type as that link, make it slightly larger and
> possibly transparent, and set its color.
>
> Josh
>
> On Thu, May 13, 2010 at 8:25 AM, Nicolas <nicolas@shadowrobot.com>
> wrote:
> Hello ROS community,
>
> I am currently trying to display through rviz some
> informations about my
> robot model (a too high temperature for instance), and I don't
> really
> find a good way to do it. Is there a possibility to display
> informations
> as a floating text next to the <link> the informations are
> about ? Or a
> way to dynamically change the color of a texture ? And if it
> is not
> possible yet, is it planned to be possible in a future
> release ?
>
> Thanks in advance,
>
> Nicolas
>
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