Coastal Services Center

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Sample Results from LDART: Raw Point Data

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Bin Method Comparison | Bin Method Differences | Filled versus Nonfilled | Raw Point Data | GeoTiff Example | Elevation Contours

The first two images below are an example of "xyz" point data generated by LDART using a bin method equal to None. By not binning the data, the point data are not aggregated into regularly spaced cells, but instead are output as collected in their "raw" position. Although the irregular spacing of the data is visible in the first image, it is more clearly apparent in the second image, which shows a smaller spatial extent allowing identification of individual points. The last image shows the same extent as the second image, except that the data was binned using the Average option and a 2-meter cell size.

The images are color-coded by elevation as identified in the color bar to the right of the images. The lowest elevations are the darkest blue and the highest are dark red. Elevations range between -2 to 50 meters (referenced to the North American Vertical Datum of 1988, or NAVD88). The area shown is in the vicinity of Singleton Swash at the north end of Myrtle Beach, South Carolina. The data were collected during the October 1, 1997, LIDAR survey.

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