Merge pull request #349 from 3dgeo-heidelberg/downsampling #991

Job	Run time
Address sanitizer run	5m 1s
Coverage Testing	4m 41s
Testing on ubuntu-22.04 Py3.9- OpenMP ON	5m 53s
Testing on ubuntu-22.04 Py3.9- OpenMP OFF	5m 37s
Testing on ubuntu-22.04 Py3.12- OpenMP ON	5m 58s
Testing on ubuntu-22.04 Py3.12- OpenMP OFF	6m 24s
Testing on macos-13 Py3.9- OpenMP ON	14m 6s
Testing on macos-13 Py3.9- OpenMP OFF	11m 44s
Testing on macos-13 Py3.12- OpenMP ON	13m 24s
Testing on macos-13 Py3.12- OpenMP OFF	11m 42s
Testing on macos-14 Py3.9- OpenMP ON	5m 46s
Testing on macos-14 Py3.9- OpenMP OFF	7m 1s
Testing on macos-14 Py3.12- OpenMP ON	5m 28s
Testing on macos-14 Py3.12- OpenMP OFF	6m 17s
Testing on windows-2019 Py3.9- OpenMP ON	10m 16s
Testing on windows-2019 Py3.9- OpenMP OFF	10m 13s
Testing on windows-2019 Py3.12- OpenMP ON	10m 42s
Testing on windows-2019 Py3.12- OpenMP OFF	10m 48s
	2h 31m 1s

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