centimeter
level accuracy.
interpolated
from the LIDAR ground points as shown in figure 5.
Figure 6. Example of a typical GPS site. City park near the waterfront with a flat level grass
field. This location corresponds to the inset map on figure 5. The GPS unit is a Trimble model
4600 and was used for post processing to determine the height of the ground surface to
Figure 7. Larger grey and red points are LIDAR ground points within 5 m of the GPS site at the
city park in figures 5 and 6. LIDAR points (large and small) are colour coded by GPS time and
denoted as flight lines 1 and 2. The raster grid in the background represents the DEM
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level accuracy.
interpolated
from the LIDAR ground points as shown in figure 5.
Figure 6. Example of a typical GPS site. City park near the waterfront with a flat level grass
field. This location corresponds to the inset map on figure 5. The GPS unit is a Trimble model
4600 and was used for post processing to determine the height of the ground surface to
Figure 7. Larger grey and red points are LIDAR ground points within 5 m of the GPS site at the
city park in figures 5 and 6. LIDAR points (large and small) are colour coded by GPS time and
denoted as flight lines 1 and 2. The raster grid in the background represents the DEM
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Webster and Forbes