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Problems with headless usage of the driver #24

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@bongomedia

Hi,

I want to use your driver with the Ensenso N30 and ueye Camera UI548xCP-C. The software is installed on a pc, which is not connected to a display. All drivers are installed via your script install_drivers.sh and the devices are calibrated itself and to each other.

Firstly when I started the launch file with my serial numbers filled in and the image streaming activated I got an error because the driver could not render an opengl-window via ssh and x-forwarding.
So I deactivated the image option and just use the cloud parameter.
In this case I got an error because the call of"create_signal" for type pcl::PointXYZRGBA is missing in ensenso_grabber-class. I fixed this and then driver initializes, but nothing happens. If disable the RGB option it works, but not with the additional RGB-information of the ueyecamera.
I tested the feature of registrating the pointcloud with the rgb-information and it works in nxView if I uncheck OpenGL.

Do you know something about this issue. Did you test different streaming parameter sets (cloud, image, rgb)? Maybe you know the issue why the callback will not be called or you could test with your setup.

If you have further questions feel free to ask.

Thanks in advance and best regards,
Fabian

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