Navigation Device Indicator Module for Map Magnification
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Solution Overview
Problem
Existing navigation devices struggle to provide a clear representation of marked locations, such as destinations and points of interest, when switching between low and high map magnifications, leading to user disorientation and the inability to easily identify nearby relevant information.
Innovation Solution
A navigation device and method that includes an indicator generation module to display indicators for marked locations outside the current local environment on the navigation map, providing icons with direction and distance information to maintain user orientation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the map magnification is increased to show detailed local environment, then the detail information of marked locations is improved, but the overview of marked locations outside current view is lost
Solution Approach 1:
The patent segments the display information by using different visual elements for different purposes: detailed markers for locations within the local environment and simplified indicators for locations outside the local environment. This segmentation allows the map to simultaneously provide detailed information for nearby locations and overview information for distant locations without requiring frequent zooming.
Solution Approach 2:
The patent adds a dimensional distinction by introducing indicators that represent marked locations outside the current local environment view. These indicators provide spatial information about distant locations without requiring the user to zoom out, effectively adding an extra dimension of information display that complements the detailed local view.
2Loss of information
If the map magnification is decreased to show overview of marked locations, then the overview information is improved, but the detail information of local environment is lost
Solution Approach 1:
The display system segments information presentation by location type: markers within the local environment provide detailed information, while indicators for locations outside the local environment provide overview information. This segmentation eliminates the need to switch between zoom levels to obtain both detail and overview.
3Loss of information
If frequent map magnification changes are made to switch between detail and overview views, then the user can access both detail and overview information, but user distraction and operation complexity increase
Solution Approach 1:
The system automatically determines which marked locations should be displayed as indicators outside the local environment based on their spatial relationship to the current view. This self-service mechanism eliminates the need for users to manually adjust magnification to find distant locations, reducing distraction and simplifying operation.
Data Source
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AI summary
The invention relates to a navigation device comprising: a processor that is configured to generate a navigation map of a local environment; and a display controllable by said processor to display said navigation map and any markers that relate to marked locations within said local environment. The navigation device further comprises an indicator generation module for generating an indicator for each of any marked locations outside of said local environment, said processor being responsive to said indicator generation module to control said display to display any generated indicators in said navigation map. A method of generating a navigation map and a computer program are also disclosed.