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Add note to filter NaNs in input point clouds

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Praveen Palanisamy 2020-11-29 18:02:07 -08:00 committed by GitHub
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@ -34,6 +34,9 @@ The input point-clouds can be from:
3. A point cloud dataset or
4. Any other data source that produces point clouds
**Note:** This package expects valid point cloud data as input. The point clouds you publish to the "`filtered_cloud`" is **not** expected to contain NaNs. The point cloud filtering is somewhat task and application dependent and therefore it is not done by this module.
PCL library provides `pcl::removeNaNFromPointCloud (...)` method to filter out NaN points. You can refer to [this example code snippet](https://github.com/praveen-palanisamy/multiple-object-tracking-lidar/issues/29#issuecomment-672098760) to easily filter out NaN points in your point cloud.
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