SCALABLE REAL-TIME LOCATION SHARING FRAMEWORK

    公开(公告)号:US20210392459A1

    公开(公告)日:2021-12-16

    申请号:US16946284

    申请日:2020-06-15

    Applicant: Snap Inc.

    Abstract: Aspects of the present disclosure involve a system and a method for performing operations comprising: storing, on a distributed storage system, a front-end (FE) instance and a plurality of real-time graph (RTG) instances, each of the plurality of RTG instances includes a plurality of device objects, the FE instance being configured to communicate with a client device associated with a first user; establishing a bi-directional streaming remote procedure call (RPC) connection between the FE instance and the plurality of RTG instances; receiving, by the FE instance, a status update from the client device; determining, by the FE instance, that a first device object corresponding to the client device is stored on a first RTG instance of the plurality of RTG instances; and transmitting a first message comprising the status update from the FE instance to the first RTG instance to update the first device object.

    Position service to determine relative position to map features

    公开(公告)号:US10939236B1

    公开(公告)日:2021-03-02

    申请号:US16206709

    申请日:2018-11-30

    Applicant: Snap Inc.

    Abstract: Systems, devices, media and methods are presented for retrieving a current location of client device, accessing geographic data based on the current location of the client device, analyzing the geographic data to identify a plurality of geographic features, for each geographic feature of the plurality of geographic features, identifying a direction from the current location of the client device to the respective geographic feature and a confidence level indicating a probability that the current location of the client device is at the direction, returning the direction and the confidence level to the client device, and based on the direction and confidence level, causing presentation of graphical data on a user interface within the client device.

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