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Methods of attribute collection for mapping

  • US 7,493,086 B2
  • Filed: 10/19/2004
  • Issued: 02/17/2009
  • Est. Priority Date: 10/19/2004
  • Status: Expired due to Fees
First Claim
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1. A method of collecting mapping data, comprising:

  • positioning a target at a first point of interest;

    operating a measuring device at a reference position which is spaced from the first point of interest to determine a distance from the reference position to the target located at the first point of interest, wherein the operating step comprises;

    firing a pulse of laser radiation from the measuring device at the target,detecting a portion of the pulse of laser radiation that is reflected from the target back to the measuring device,determining a time of flight for the reflected portion of the pulse of laser radiation, anddetermining a distance between the measuring device and the target based on the determined time of flight;

    recording information about the first point of interest with a data collection device that is located at the first point of interest; and

    recording the determined distance in the data collection device.

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