Fix simulation errors

[Uyên Lê Thị Thu]

I'm a new user of Linorbot2. I've just started scanning maps but I'm encountering the problem shown in the image. Could you please take the time to help me fix this error? Thank you very much.

Sincerely,
from Vietnam

[Pito Salas]

What is the problem you are seeing? The colored lines show where the simulated lidar is hitting walls. The reason they are floating in the air is that the distance you have in your urdf between the “floor” and the lidar is too large. Is that it?

Best,

Pito

Boston Robot Hackers &&
Comp. Sci Faculty, Brandeis University (Emeritus)

> On May 30, 2026, at 4:49 PM, Uyên Lê Thị Thu <uyen....@gmail.com> wrote:
>
> I'm a new user of Linorbot2. I've just started scanning maps but I'm encountering the problem shown in the image. Could you please take the time to help me fix this error? Thank you very much.
>
> Sincerely,
> from Vietnam
>

> <5a648253b462353c6c73.jpg>
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> <5a648253b462353c6c73.jpg>