[ros-users] Mutil-dimension-array

Hi all,

When I tried to create a 2-dim array with ROS's srv, I had
some troubles with the server side.

from file "srv/Joints.srv":
float32[] joints

from file "srv/ImportPC.srv":
float32[] jts
---
Joints[] trajectory

In server.cpp, I tried to push_back a new Joints to trajectory like this:
res.trajectory[0].joints.push_back(sum);

It compiles, but of course at runtime it fails because trajectory[0] doesn't
exist.

So I tried something like this:
import_pc::Joints_<std::allocator<void> Jts ();
Jts.joints.push_back(sum);
res.trajectory.push_back(Jts);

However the template for import_pc::Joints_ is not correct. Any suggestion
would be really appreciated.

Thank you so much,
Paul
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