Only create images if data is available.

cartographer-project / point_cloud_viewer

View billions of points in your browser.

Apache License 2.0

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Only create images if data is available. #406

Closed feuerste closed 4 years ago

feuerste commented 4 years ago

Previously, for all levels above the leaf level images were generated in any case. This PR changes this behavior to only generate images, if at least one of its four children has some data in it.

feuerste commented 4 years ago

Thanks for your review!