rer 63 
Airborne Sensor Systems 
Gunther Schänzer and Detlef Kayser, Technical University 
of Braunschweie, Germany «ciere Pere oerte elio ee eee bite atta AbS 76 
Session D-1 Commission II - Special Project - Upgrading Photogrammetric 
Instruments 
Upgrading of Stereoplotters with New Hardware and 
Software Components 
Klaus Szangolies, Commission II Special Project, Germany....................... ss 77 
Upgrading Photogrammetric Instruments 
Patrick Wong, 1.5.M. International Systemap Corp. ................. sees 81 
Upgrading of Stereoplotters by Carl Zeiss 
Reiner Schwebel, Carl Zeiss, Germany .........«- iui vias srsmrosesiion 87 
Upgrading the AVIOLYT Family of Leica's Analytical 
Instruments to the Leica Photogrammetric Workstation 
Alfons.Meid, Leica. AG PMU, SwitzerlanhQ............ c cerreo reete ttn eerte rte amena aee 91 
Session D-2 WG II/2 - Hardware and Software Aspects of GIS - Part A 
An Even Faster Range Search Algorithm for 
Multi-Dimensional Point Sets 
Y.C. Lee, and Benson O. Agi, University of New Brunswick................................ 97 
Automated Inventory and Mapping of Forest Resources 
Using Remotely Sensed Images 
Francois Cavayas and Stéphane Chalifoux, University of Montréal................... 106 
Performace Prediction of AVNIR by a Simulator 
Hajime Koshiishi, Remote Sensing Technology Center, Japan; 
Masao Naka, National Aerospace Laboratory, Japan; 
Yoshiyuki Kawata, Kanazawa Technology Institute, Japan; 
Yoshitaka Iwata, Fujitu F.I.P. Co. Ltd., Japan. ct Be Brin Ses Hed Pee cet 107 
3D Virtual GIS 
Nickolas L. Faust, Georgia Tech Research Institute, U.S.A.................. eee 114 
An Object Orientated Query-Language for Images 
Mohamed El Ansari and Liming Chen, Technology University 
of Compiègne; France. nm. dots Fontanesieuetenennnnennntnnntet=tnites 122 
III