Marine Chart Zoom Alignment for Sonar and Radar Overlay
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Solution Overview
Problem
Existing marine navigation systems face challenges in correlating navigational data with sonar and radar data due to differences in scale and zoom levels, leading to difficulty in interpretation and overlaying these data types.
Innovation Solution
A system that adjusts the presentation of navigational charts to match the scale of sonar or radar data, automatically or in response to user input, to facilitate easier interpretation and correlation of marine data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If marine data (chart, sonar, radar) is presented at different scales and zoom levels to provide comprehensive information, then the quantity and variety of information is improved, but the ease of correlating and overlaying these data types deteriorates
Solution Approach 1:
The system dynamically adjusts the zoom level and scale of chart data in real-time to match the scale of sonar or radar data. When a user selects to overlay sonar or radar data, the chart automatically zooms to the appropriate scale, enabling seamless correlation between different data types without manual intervention.
Solution Approach 2:
The system provides feedback by detecting when sonar or radar data is selected for overlaying and automatically responding by adjusting the chart's zoom level and scale. This feedback mechanism ensures that the chart scale always corresponds to the currently displayed marine data type, making correlation intuitive and automatic.
2Stability of the object's composition
If the chart is presented at a fixed zoom level to maintain a consistent view, then the stability of the display is improved, but the adaptability to different sonar and radar scales deteriorates
Solution Approach 1:
The chart display transitions from a static, fixed zoom level to a dynamic, adjustable zoom level that automatically adapts to the scale of selected sonar or radar data. This dynamic adjustment maintains display stability during normal viewing while enabling adaptability when data overlay is required.
Solution Approach 2:
The system changes the zoom level parameter of the chart display based on the detected scale of sonar or radar data. When marine data is selected for overlaying, the system automatically modifies the chart's zoom parameter to match the corresponding data scale, achieving both stability and adaptability.
3Measurement precision
If manual adjustment of zoom level is required to correlate data, then the precision of data correlation is improved, but the time required for data correlation increases
Solution Approach 1:
The system performs self-service by automatically detecting the scale of sonar or radar data and autonomously adjusting the chart's zoom level to match. This eliminates the need for manual zoom adjustment by the user, achieving precise data correlation instantly without time-consuming manual intervention.
Solution Approach 2:
The system performs preliminary action by pre-adjusting the chart's zoom level and scale before the user needs to overlay sonar or radar data. When data selection occurs, the chart is already positioned at the appropriate scale, enabling immediate and precise correlation without requiring user adjustment time.
Data Source
AI summary
Systems and methods for presenting marine data are provided herein. The system comprises at least one sonar transducer associated with a watercraft, a display, one or more processors and a memory. The memory including computer program code configured to cause presentation of a chart on the display including at least a portion of the body of water, at a first zoom level. The system further causes emission of one or more sonar beams by the at least one sonar transducer and receives sonar data corresponding to the sonar returns received by the at least one sonar transducer. The system generates and presents a sonar image based on a sonar image scale. The system automatically adjusts the presentation of the chart to a second zoom level that corresponds to the sonar image scale. The second zoom level being different than the first zoom level.