The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences. Vol. XXXVII. Part Bl. Beijing 2008 
Ierusalimschy, R. 2006. Programming in Lua, Second Edition, 
München : Open Source Press, ISBN 84-903798-2-5 
Meister, O., Mönikes, R., Wendel, J., Frietsch, N., Schlaile, C. 
and Trommer, G. 2007. Development of a GPS/INS/MAG 
Navigation System and Waypoint Navigator for a VTOL UAV. 
Proceedings on SPIE Unmanned Systems Technology IX 9- 
12.April 2007, Orlando 
Mostafa, M. and Hutton, J. 2005. 10 Years of Direct 
Georeferencing for Airborne Photogrammetry, GIS, November 
2005 
Nebiker, S., Christen, M., Eugster, H., Flückiger, K. and Stierli 
C. 2007. Integrating mobile geo sensors into collaborative 
virtual globes - Design and implementation issues, Mobile 
Mapping Technologies Symposium MMT 2007, Padua. 
Pesce, M.D. 2003. Programming Microsoft DirectShow for 
digital video and television. Microsoft Press, Redmond, 
Washington 
Skaloud, J. 1999. Problems in Direct-Georeferencing by 
INS/DGPS in the Airborne Environment. ISPRS Workshop on 
‘Direct versus Indirect Methods of Sensor Orientation’ WG 
III/1, Barcelona 25-26, 1999. 
Thalmann, T. 2007. Friedliche Koexistenz?, GIS-Business, 
December/2007, pp. 69. (in German) 
ACKNOWLEDGEMENTS 
This work was financially supported by CTI the Swiss 
Innovation Promotion Agency.