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The use of a geofence is called geofencing, and one example of use involves a location-aware device of a location-based service (LBS) user entering or exiting a geofence. Geofencing approach is based on the observation that users move from one place to another and then stay at that place for a while.
Geofencing involves creating a virtual geographic boundary (a geofence), enabling software to trigger a response when a device enters or leaves a particular area. [3] Geopositioning is a pre-requisite for geofencing.
A location-based firearm is a gun that uses electronic technologies such as geofencing to restrict its firing to authorized locations, thereby allowing its use for protecting life and property in those locations while preventing its use in other locations for crimes such as robberies, drive-by shootings, assassinations, and massacres.
A 2021 transparency report showed that 25% of data requests from law enforcement to Google were geo-fence data requests. [5] Google is the most common recipient of geo-fence warrants and the main provider of such data, [4] [6] although companies including Apple, Snapchat, Lyft, and Uber have also received such warrants. [4] [5]
A 2021 transparency report showed that 25% of data requests from law enforcement to Google were geo-fence data requests. [3] Google is the most common recipient of reverse location warrants and the main provider of such data, [4] [5] although companies including Apple, Snapchat, Lyft, and Uber have also received such warrants. [1] [3]
The Earth-centered, Earth-fixed coordinate system (acronym ECEF), also known as the geocentric coordinate system, is a cartesian spatial reference system that represents locations in the vicinity of the Earth (including its surface, interior, atmosphere, and surrounding outer space) as X, Y, and Z measurements from its center of mass.
Because radio waves propagate according to the inverse-square law, distance can be approximated (typically to within 1.5 meters in ideal conditions and 2 to 4 meters in standard conditions [52]) based on the relationship between transmitted and received signal strength (the transmission strength is a constant based on the equipment being used ...
LPGL 3.0 Cross-platform: Python: Documentation and tutorials fully available in ReadTheDocs: geoapps repository [24] The geoapps repository are open-source geoscientific applications in Python, including geophysical data processing, modelling, and inversion codes Mira Geoscience Ltd. MIT: Cross-platform: Python