Heft 7/1982

Schriftenreihe
des Instituts für Geodäsie



Heft 7/1982

BORRE, Kai /
WELSCH, Walter
[Editors]

International Federation of Surveyors - FIG -

Proceedings
Survey Control Networks


Meeting of Study Group 5B, 7th-9th July, 1982, Aalborg University Centre, Denmark

428 S.

ISSN:  0173-1009

Table of Contents

Preface


 


Table of Contents

Preface 1
Programme of Sessions 5
Recommendations 7
List of Participants 9
 
Anderson, Edward G.
     Towards Total Optimization of Surveying and Mapping
     Systems


13
Andersson, Olaf / Engsager, Karsten / Weng, Willy L.
     Computation and Data-Management of Blocks of
     Medium Size Geodetic Networks


33
Augath, Wolfgang
     Accuracy and Reliability Measures Concerning Design and
     Qualification of Densification Networks


51
Banov, Bano
     A Special Method to Derive a Criterion Matrix

65
Barbarella, Maurizio / Unguendoli, Marco
     Analysis of Some Densification Networks in Italy

79
Benciolini, Battista / Betti, Barbara / Mussio, Luigi
     A Remark on the Application of the GPS Procedure
     to Very Irregular Graph


97
Blachnitzky, Klaus
     Status and Problems of Official Horizontal Densification
     Networks as Shown by the Federal Republic of Germany


103
Buiten, Hendrik J. / Richardus, Peter
     Junction of Control Surveys by Adjustment Compared with
     Coordinate Transformation


115
Crosilla, Fabio
     A Criterion Matrix for the Second Order Design of Control
     Networks


143
Cross, Paul / Fagir, Ali
     Procedures for the First and Second Order Design of Vertical
     Control Networks


159
Dare, Peter / Vaníček, Petr
     Strength Analysis of Horizontal Networks Using Strain

181
Förstner, Wolfgang
     Systematic Errors in Photogrammetric Point Determination

197
Heus, Henk de
     Data-Snooping in Control Networks

211
Heus, Henk de
     Quality Related Problems of Densification Networks

225
Hradilek, Ludvík
     Horizontal and Vertical Survey Control by Three-Dimensional
     Triangulation


239
Krumm, Friedhelm
     Criterion Matrices for Estimable Quantities

245
Mierlo, Jan van
     Difficulties in Defining the Quality of Geodetic Networks

259
Niemeier, Wolfgang
     Principal Component Analysis and Geodetic Networks  -
     Some Basic Considerations


275
Ninkov, Tosa
     A New Method of Land Surveying Networks Optimization

293
Papo, Haim B. / Perelmuter, Avraham
     Densification of a Network as a Special Case of Deformation
     Analysis


301
Pelzer, Hans
     Influence of Systematic Effects in Stochastic and Functional
     Models


309
Perović, Gligorije
     Some Estimable Functions in Geodetic Networks

321
Poder, Knut
     Data Processing and Adjustment

327
Quee, Herman
     On the Stochasticity of Alignment-Functions for Automated
     Track Maintenance Machines


339
Remmer, Ole
     Modelling Errors in Geometric Levelling

355
Schmitt, Günter
     Optimization of Control Networks  -  State of the Art

373
Sjöberg, Lars
     Station Adjustment of Directions Using Generalized Inverses

381
Welsch, Walter M.
     Network Densification  -  Problems and Solutions

401
Zlatanov, Georgi
     The Increment Method

415
 

 
Preface

Study Group 5B of the International Federation of Surveyors (FIG) was called into existence in 1980 when it became obvious that the work of the huge Commission 5 of FIG could not reasonably be continued without splitting up its activities into several study groups. One of them has become Study Group 5B on "Survey Control Networks". During the Symposium of Commission 5 on "Automated Processing of Surveying Data" in Varna, Bulgaria, 1980, the idea was born to hold a meeting of SG 5B in Aalborg, Denmark.

The plan could be realized at the University Centre of Aalborg from 7th - 9th July, 1982. The general subject of the meeting has been dedicated to the quality of Networks according to the recommendation of the FIG-Congress in Montreux, 1981, to emphasize the evaluation of control networks under the aspects of stochasticity. The five main topics: Data Processing and Adjustment, Interaction of Stochastic and Functional Models, Quality of Networks, Network Densification, and Optimization of Control Networks, can be seen from this point of view.

The meeting intended to stimulate information exchange among researchers and practitioners. Fifty participants coming from fifteen countries, discussed theoretical and practical problems. The attempt was made to have a good theory applied to a better practice. Moreover, with respect to the XVII. FIG-Congress in Sofia, Bulgaria, 1983, another purpose of the meeting was to clarify the state of art and to work out those points which should be treated with particular emphasis in the next future. As a result, in the closing session the participants agreed to the recommendations listed below. Thus, the meeting functioned as a sign-post: marking the stand-point and showing the direction.

The proceedings have been edited in the most simple way by printing the manuscripts delivered by the authors ready for photo reproductions. This procedure provides a publication as fast as possible.

The meeting itself and the publication of the proceedings was sponsored by DEN DANSKE LANDINSPEKTØRFORENING, the AALBORG UNIVERSITY CENTRE and the HOCHSCHULE DER BUNDESWEHR MÜNCHEN. The organizers are grateful to the sponsors. However the thank of the editors goes particularly to the authors an to all those unnamed persons who directly or indirectly contributed to the meeting which was held in a very competent, friendly and relaxed atmosphere.

Kai Borre

Walter M. Welsch

 

 
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