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Drop most CUDA apps, as they are never built. #5528

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SunBlack
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@SunBlack SunBlack commented Nov 25, 2022

It seems some apps never were added to a CMakeLists and even the uncommented code for some other apps was already removed some years ago: d58aeaa. As most of the now removed apps depends on legacy OpenCV, it makes no sense to somehow reactivate them (see #5521).

One app still exists after this MR, as kinect_viewer_cuda will be still built when CUDA is enabled (could be moved to apps directory in a separate PR).

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larshg commented Jan 7, 2023

I think I would leave the apps up for a rewrite. Ie. many of the apps show how the cuda libraries could/can be used, which could be of good value, if one where to try to change the apps to become opencv/ros/kinect independent and more generalized as tools/apps.

By quickly skimming, ros was mostly used for publishing.
Opencv is used for eventloop and 2d image manipulation/visualization, this could use some other eventloop and maybe pcl::visualization::ImageViewer.

Actual 2d image manipulation should ofc not be implemented in PCL. Those part of the apps would have to be removed, but then still some of the PCL functionality could maybe still be of use.

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