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waymo-research / waymo-open-dataset

Waymo Open Dataset
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Motion dataset: extracting centerlines from crosswalks #555

Open ZikangZhou opened 2 years ago

ZikangZhou commented 2 years ago

Hi all,

The crosswalks in the map protocol are now represented as polygons. I'm particularly interested in extracting a center polyline for each crosswalk from the polygon (or two polylines, one for each direction). Are there any easy ways to do this? I believe such information is beneficial to model design, as the centerline of a crosswalk can indicate the moving directions of pedestrians. Moreover, adding polylines to crosswalks can unify the representations of lanes and crosswalks. Thanks for your help in advance.

scott-ettinger commented 1 year ago

Hi, thanks for the feedback. Currently there is not an easy way to extract a center polyline for crosswalks. This is something we could add in the next release. We will consider this for the upcoming release.