1 Introduction 1
1.1 Preliminary Remarks .......................... 1
1.2 Definitions, Processes and Products .................. 3
1.2.1 Data Acquisition ........................ 4
1.2.2 Photogrammetric Products ................... 5
Photographic Products ..................... 5
Computational Results ..................... 5
Maps .............................. 6
1.2.3 Photogrammetric Procedures and Instruments ......... 6
1.3 Historical Background ......................... 7