Tidal Current Display Device Using Time-Axis Symbol Segmentation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current systems fail to effectively display the changing direction and speed of tidal currents over time, making it difficult for marine vessel navigators to visually grasp and navigate through areas with varying tidal currents.
Innovation Solution
A tidal current information display device and augmented reality navigation apparatus that receive and generate indicators with a time scale, positioning symbols to represent predicted tidal current directions at different time instants, allowing for intuitive visualization of tidal current changes on a display screen, aligned with the ship's position and sea surface orientation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If traditional tidal current information display systems are used, then basic tidal current data can be obtained, but the changing direction and speed of tidal currents over time cannot be effectively visualized
Solution Approach 1:
The patent transforms the display of tidal current information from a static two-dimensional chart to a dynamic three-dimensional visualization that incorporates the time dimension. Multiple symbols representing tidal current directions at different time instants are displayed along a time axis, allowing navigators to visually grasp the temporal evolution of tidal currents without complicating the display system architecture.
Solution Approach 2:
The patent segments the continuous tidal current data into discrete time instants, with each instant represented by a separate symbol on the display. This segmentation allows the complex temporal variation of tidal currents to be broken down into comprehensible discrete elements that can be easily visualized and understood by navigators.
2Loss of information
If tidal current information at multiple time instants is displayed on the same screen, then complete tidal current data can be shown, but it becomes complicated to display and difficult to visually catch changes
Solution Approach 1:
The patent introduces a time axis as an additional dimension to organize multiple tidal current symbols. Instead of displaying all time instants in a cluttered two-dimensional space, symbols are arranged along the time axis, creating a clear visual progression that makes it easy to track changes in tidal current direction and speed over time.
Solution Approach 2:
The patent applies different visual characteristics to symbols based on their temporal position and tidal current properties. Each symbol's position, orientation, and potentially size are locally optimized to represent specific tidal current parameters at that time instant, making it easy to distinguish and interpret changes at different stages.
Data Source
Figure 1
Figure 2
Figure 3A~3B
AI summary
A tidal current display data generation device for a movable body, for displaying tidal current information on a display screen, includes a tidal current information receiving terminal configured to receive tidal current information including a position of a tidal current on a chart of a region including the movable body, and a plurality of predicted tidal current directions of the tidal current at said position at a corresponding plurality of time instants, and a tidal current display data generation terminal configured to generate an indicator including a time scale determined according to the plurality of time instants, determine position of each predicted tidal current direction on the time scale at respective time instant, generate a plurality of symbols for respective positions on the time scale, each symbol indicating respective predicted tidal current direction at respective time instant, and output the indicator including the plurality of symbols to the display screen.