Exercises for Spatial Databases and GIS
Institut für Informationssysteme – TU Braunschweig - http://www.ifis.cs.tu-bs.de
Technische Universität Braunschweig Institut für Informationssysteme http://www.ifis.cs.tu-bs.de Karl Neumann, Sarah Tauscher
Exercises for Spatial Databases and GIS Sheet 3 (until 16.11.2011)
Exercise 2 (Generalization of buildings)
1. Generalize the building given below using the Douglas/Peucker algorithm.
2. Can you think of a strategy for building generalization that guarantees the preserva- tion of right angles?
Exercises for Spatial Databases and GIS
Institut für Informationssysteme – TU Braunschweig - http://www.ifis.cs.tu-bs.de
Technische Universität Braunschweig Institut für Informationssysteme http://www.ifis.cs.tu-bs.de Karl Neumann, Sarah Tauscher
Exercise 3 (Generalization Operations)
1. Which generalization operations have been applied to transform the map below to the one to the right?
Is it an appropriate generalization?
Exercises for Spatial Databases and GIS
Institut für Informationssysteme – TU Braunschweig - http://www.ifis.cs.tu-bs.de
Technische Universität Braunschweig Institut für Informationssysteme http://www.ifis.cs.tu-bs.de Karl Neumann, Sarah Tauscher
2. Which generalization operations would you apply, if you want to present the big map below in a smaller size, like the one to the right?
