Mitasova, Helena and Hofierka, Jaroslav:

Impact of new mapping technologies on communication of geospatial information.

Kartograficke listy, 2003.

Abstract

GPS, new sensors and increased computational power have dramatically changed mapping of Earth systems. Highly automated data acquisition from space, air and ground enables collection of massive amounts of data at short time intervals creating spatio-temporal, digital representations of landscape features at unprecedented level of detail and accuracy. Advances in computer graphics and data distribution via Internet are changing the communication of geospatial information by increased use of electronic media with high level of interaction, dynamics and 3D visualization. To illustrate some of these trends examples of terrain mapping using LIDAR and Real Time Kinematic GPS are presented.

Full text in pdf

Figures

• Figure 1a. Spatial pattern of point clouds for ATM II LIDAR (3d view)
• Figure 1a. Spatial pattern of point clouds for ATM II LIDAR
• Figure 1b. Spatial pattern of point clouds for Leica Geosystems LIDAR (3d view)
• Figure 1b. Spatial pattern of point clouds for Leica Geosystems LIDAR

• Figure 2a. Contours from ATM II LIDAR
• Figure 2b. Contours from Leica Geosystems LIDAR after processing

• Figure 3a (full view) Raw point data assigned to 1m resolution raster
• Figure 3a (detail) Points assigned to 1m resolution raster
• Figure 3b (full view) Data assigned to 3m resolution raster, outliers were removed
• Figure 3b (detail) Points assigned to 3m resolution raster
• Figure 3c (full view) Data interpolated to 1m resolution raster by RST
• Figure 3c (detail) surface interpolated by RST at 1m resolution
• Figure 4a Overlay with crossections 1999 - 2001
• Figure 4b Overlay with crossections 1999 - 2001
• Figure 4c Overlay with crossections 1999 - 2001
• Figure 4d Overlay with crossections 1999 - 2001
• Figure 5a LIDAR and RTKGPS sampling pattern for Cape Fear
• Figure 5b LIDAR based Cape Fear topography in 1997
• Figure 5c RTK-GPS based Cape Fear topography in 2002

Additional images are at North Carolina Outer Banks - Evolution of Jockey's Ridge

Fly-through animation is at Open OSX web site, the Quicktime movie is the best

Photos

Main ridge I

Main ridge II

The LIDAR data are from:
LDART
NC Floodplain Mapping Program

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