Efficient fetching of a map data during animation
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United States of America Patent
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Dec 6, 2016
Grant Date -
Nov 20, 2014
app pub date -
May 15, 2014
filing date -
May 15, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A first digital map is displayed in a viewport at an initial position. When a user gesture that communicates motion to the viewport is detected, a trajectory of the viewport from the initial position to a target position is determined based on kinematic quantities of the communicated motion. Map data for displaying a second digital map in the viewport at the target position is retrieved from a first memory, prior to the viewport reaching the target position. The retrieved map data is stored in a second memory having a higher speed of access than the first memory. The second memory is retrieved for display via the user interface when the viewport is at the target position.
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