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Marine bump map display

  • US 7,973,705 B2
  • Filed: 07/17/2009
  • Issued: 07/05/2011
  • Est. Priority Date: 07/17/2009
  • Status: Active Grant
First Claim
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1. A plotting system for displaying a marine bump map including a plurality of pixels, the system comprising:

  • a display;

    a memory operable to store data corresponding to at least one of a radar signal and a sonar signal; and

    a processing device coupled with the display and memory, the processing device configured for;

    determining at least one of a radar signal intensity and a sonar signal intensity corresponding to one or more of the pixels using the data stored within the memory;

    determining a normal vector for a first one of the pixels, the normal vector being determined based on a signal intensity of the first pixel and signal intensities of one or more adjacent pixels;

    determining a brightness value for the first pixel based on the normal vector and a light direction vector; and

    commanding the display to present the first pixel as a portion of the bump map utilizing the determined brightness value.

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