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International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part B6. Istanbul 2004
4. CONCLUSION AND OUTLOOK
The complex infrastructure for the Virtual Landscape is partly
implemented. However, for some components we still lack of
experiences. This deficiency has to be eliminated.
Within the next steps the transformation from GML into X3D
has to be carried out. Further the question of how 3D-
coordinates via a WFS may be delivered has to be answered.
In terms of providing some basic functionalities for analyzing
the geodata it will be challenging to find out whether such
functions should be implemented at the level of the database
(e.g. using the functionalities of Oracle Spatial) or at the level
of the GML-data. For the latter the potentials of SAX- and
DOM- processing within the GML-data must be made clear.
Finally these technical components must be composed to a
learning environment taking in mind didactic issues. This
means that examples have to be provided to illustrate content.
Further on meaningful tasks for working and experimenting
with the Virtual Landscape have to be assigned to guide
students in their learning process. Help and feedback
functionalities are essential and therefore must be provided.
After all the application has to be tested and evaluated in a
blended learning-scenario.
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