Basic HTML version of Foils prepared 7 October 97

Foil 45 Synthesis of Terrain Description

From VRML and Use of Databases as backend and Application to GIS ARL Database Tutorial -- February 98. by Krzysztof Walczak
1 Data is stored in the database in "raw" format - values describing altitude and color of each point separately.
2 In this form the data is retrieved by the conversion program.
3 New node of VRML 1.1 - ElevationGrid - is used
4 Conversion program produces the VRML representation using parameter values given by user.
5 The parameters the user can set include:
  • color or monochrome option
  • lighting option
  • color corrections
  • altitude magnification (default=2)
  • maximum resolution
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© on Mon Oct 13 1997