APPENDIX B 
® a ENQUIRY INTO CHANGES THAT HAVE OCCURRED IN THE FIELD OF COMM. IV 
968, 
SINCE THE 1968 LAUSANNE CONGRESS 
QUESTIONNAIRE TO NATIONAL CORRESPONDENTS 
  
m Photogrammetric organisations 
List the new photogrammetric organisations established in your country since 
1968. 
(The term new organisations is meant to include governmental surveying & 
mapping agencies that have started to use photogrammetric methods since 1968, 
and any new private companies established). 
24 Photogrammetric instruments 
e © List the number of new photogrammetric instruments purchased since 1968, in 
the following categories: Universal instruments; Precision plotters; Topo- 
graphic plotters; Comparators; Rectifiers; Orthophoto systems; etc. 
3 Products 
a) Have significant changes occurred since 1968 in new types of products 
offered by organisations in your country? 
e.g. photomaps —- including estimate of percentage increase in their 
production 
digital data — with or without & digital plot — percentage increase 
in production 
other specialised products — specify & indicate increase in production 
b) How is relief represented on photomaps and digital plots? 
4. Procedures 
Have significant changes occurred since 1968 in either the phases of the 
b execution of a project (e.g. preparation, plotting, cartography, etc.) or 
e o in that special procedures have been introduced (e.g. use of auxiliary data 
or special types of photography such as infra-red, etc.). 
In particular, additional information is requested on the following directed 
questions: