he Namikawa L., A method for triangular surface 
he fitting using break lines, ISPRS, 1994, pp.362- 
368 
for 8. Oosterom P. , Reactive Data Structure for 
is Geographic Information Systems, Ph.D. thesis, 
cf. Leiden 1990 
se 
st 9. Oosterom P., The reactive-tree: A storage 
structure for a Seamless, Scaleless Geographic 
Database, Technical papers, 1991  ACSM- 
for ASPRS, Annual Convention V6 Auto Carto 
he 10.Pilouk M., Integrated Modelling for 3D GIS, 
à Ph.D. thesis, in preparation, Enschede. 
be 
a 11.Ranzinger M., G. Gleixner, Changing the City: 
nd Data Sets and Applications for 3D Urban 
int Planning, GIS Europe, march 1995, pp.28-30 
12.Schroeder W., J. Zarge, W. Lorensen, 
nt Decimation of Triangle Meshes, Computer 
to graphics, 26, 2 July 1992, pp.65-70 
ne 
ed 13. Tempfli K., A.R.Fard, M. Pilouk, Local Updating 
he for the integration of DTM and GIS structure, 
en ISPRS Symposium IV, Athens, USA, 1994 
  
nte 
ive 
4th 
ata 
oh, 
ing 
tail 
oto 
gia 
tail 
96, 
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ign 
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