Geography Reference
In-Depth Information
Fig. 2 Example of resulting photorealistic 3D model of surface including vegetation
Discussion and Conclusion
This chapter summarizes the results and outlines possible ways forward in the
future research.
Discussion
Authors successfully completed all stated goals. However, some tasks can be
adjusted and improved. The biggest issue is the implementation of the particle
systems. Authors designed a modelling approach to process LIDAR point
clouds and transform the LIDAR point clouds into the form of the interpo-
lated, quadrilateral and slope based polygonal planes that can be used for very
large areas of interest. Creation of the particle system in the current state is
not possible for very large areas (e.g. local regions) in sufficient quality and
reasonable time. Another issue is the setup of the cloud base plane elevation.
This is currently placed randomly. Authors do not have an access to publicly
available source of such detailed meteorological data that could be interpo-
lated in the required quality for the whole area. These facts slightly limit the
procedural usage of the particle systems.
Conclusion
Authors describe a newly proposed method, which encapsulates outputs from
the GIS analyses, LIDAR data processing, attribute data acquisition and
terrain model creation to utilize all these steps in parametrical and procedural
raster driven abstraction of the LIDAR point cloud data. The output is in the
form of the photorealistic scientific visualisation. The resulting 3D model can
be widely used for 3D GIS analyses, visualizations for public contracts,
planning and construction of new communications (roads, bridges, etc.),
(continued)
