glTF supports multiple primitive modes. Point clouds could be imported/exported with the points mode.
https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#primitivemode
Polylines could also be imported with the lines mode but I'm not sure how useful this would be.
glTF supports multiple primitive modes. Point clouds could be imported/exported with the points mode.
https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#primitivemode
Polylines could also be imported with the lines mode but I'm not sure how useful this would be.