Dear all

Does anybody know if it is possible to conduct a visibility analysis in R?
I have
- a large set of points = observer points
- a digital surface model as an ascii grid
- a set of points and polygons defining an amount of grid cells of interest
For every individual observer point, the task is to check how many cells of interest are visible.

Since the number of observer points is limited to 8 in ArcGIS and calculation time is far too long, I decided to use R. Unfortunately, I could not find any helpful packages or information on the internet.

Many thanks for any helpful suggestions
Raphael





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Raphael Fuhrer
Swiss Federal Institute of Technology Zurich
MSc Student in Spatial Development and Infrastructure Systems
Assistant at Network City and Landscape
HIL H 41.1
Wolfgang-Pauli-Str. 15
8092 Zќrich
0041 44 633 29 46
rafuhrer@student.ethz.ch
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