Shallow water highlight method and display systems
First Claim
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1. A method for identifying shallow water regions by a graphical output of a depiction of at least one selected area of a body of water to a Global Positioning System (GPS) device coupled to a display, the display being coupled to a GPS plotter, the method comprising:
- retrieving at least one chart of one or more regions of a body of water from a chart library provided on computer memory, the chart comprising a plurality of bottom depths below a surface of the one or more regions of the body of water, the chart being configured to be output on the display;
determining a lower limit value of bottom depths associated with a shallow water region to be highlighted on the display simultaneously with the chart;
inputting the lower limit value of the bottom depths to be highlighted;
identifying a shallower contiguous region on the chart based on the plurality of bottom depths on the chart between the surface of the body of water and the lower limit value; and
simultaneously outputting one or more indications representative of the shallower contiguous region with the chart on the display to highlight the shallow water region.
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Abstract
A digital mapping display and related system for fishing, and other applications.
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Citations
17 Claims
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1. A method for identifying shallow water regions by a graphical output of a depiction of at least one selected area of a body of water to a Global Positioning System (GPS) device coupled to a display, the display being coupled to a GPS plotter, the method comprising:
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retrieving at least one chart of one or more regions of a body of water from a chart library provided on computer memory, the chart comprising a plurality of bottom depths below a surface of the one or more regions of the body of water, the chart being configured to be output on the display; determining a lower limit value of bottom depths associated with a shallow water region to be highlighted on the display simultaneously with the chart; inputting the lower limit value of the bottom depths to be highlighted; identifying a shallower contiguous region on the chart based on the plurality of bottom depths on the chart between the surface of the body of water and the lower limit value; and simultaneously outputting one or more indications representative of the shallower contiguous region with the chart on the display to highlight the shallow water region. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A system for displaying a graphical output of one or more shallow water regions of a body of water, the system comprising one or more computer readable memories including:
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a first code directed to store capturing position information; a second code directed to retrieve at least one chart of one or more regions of a body of water, the chart comprising a plurality of bottom depths below a surface of the one or more regions of the body of water, the chart being configured to be output on the display; a third code directed to receive a lower limit value of bottom depths associated with a shallow water region to be highlighted on the display simultaneously with the chart; a fourth code directed to store the lower limit value of the bottom depths to be highlighted; a fifth code directed to identify a shallower contiguous region on the chart based on the plurality of bottom depths on the chart between the surface of the body of water and the lower limit value; and a sixth code directed to outputting one or more indications representative of the shallower contiguous region with the chart on the display to highlight the shallow water region.
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17. A system for displaying a graphical output of one or more shallow water areas of a body of water, the system comprising:
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a display; one or more graphical representations of one or more regions of a body of water on the display; one or more labeled contour lines representative of an interface between land and the one or more regions of the body of water on the display; a plurality of labeled contour lines representative of a respective plurality of bottom depths below the surface of the one or more regions of the body of water on the display; and a first output highlighting a hazardous or a shallow water region based on the plurality of bottom depths on the display;
ora second output substantially free of the highlighted hazardous or highlighted shallow water region.
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Specification