Floss in Cadastre and Land Registration



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5. Conclusions 

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

85

Contributing Authors



 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

87

Table of Content




iv

Figure 2.1: 

Proprietary and open-source development models  

 (Christl, 

2008)

    .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .    



10

Figure 2.2: 

OSGeo’s structure 

 

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .  



20

Figure 3.1: 

Software components of cadastre and land  

 registration 

systems

 . . . . . . . . . . . . . . . . . . . . . . . . . . . .  

25

Figure 3.2: 



The PgAdmin GUI lets users easily create and maintain  

 PostgreSQL 

databases 

 . . . . . . . . . . . . . . . . . . . . . . . . . .  

26

Table 3.1: 



FLOSS Desktop GIS products compared 

 . . . . . . . . . . . . . . .  

30

Table 3.2: 



Impact of STDM on Conventional Concepts  

 

in Land Administration



 . . . . . . . . . . . . . . . . . . . . . . . . . .  

51

Figure 3.3: 



STDM Class Diagram

 . . . . . . . . . . . . . . . . . . . . . . . . . . .  

52

Figure 3.4: 



Fieldwork, identification of boundaries on the satellite image  .  53

Figure 3.5: 

Collected field data on satellite image

    .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .    

54

Figure 3.6: 



Printscreen with vectorized boundaries  

 

in STDM Prototype based on ILWIS



    .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .    

54

Figure 3.7: 



STDM Main window

    .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .    

55

Figure 4.1: 



Elements of the Bavarian surveying and geodata management

 .   


61

Figure 4.2: 

Graphical display with layers’ tree (column left)

    .   .   .   .   .   .   .   .   .   .    

64

Figure 4.3: 



Entry menu in the case management system

    .   .   .   .   .   .   .   .   .   .   .   .    

65

Figure 4.4: 



Automatic generated extract of the database 

    .   .   .   .   .   .   .   .   .   .   .    

66

Figure 4.5: 



Relations between application and platforms 

    .   .   .   .   .   .   .   .   .   .   .    

67

Figure 4.6: 



Printing land title certificates

    .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .    

71

Figure 4.7: 



With gvSIG, users can directly edit geographic  

 

datasets stored in PostgreSQL 



 . . . . . . . . . . . . . . . . . . . . .  

73

Figure 4.8: 



Samoa geographic map

    .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .   .    

79

Figure 4.9: 



“SO!GIS Layer” plugin developed at the Canton  

 of 


Solothurn 

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  

83

Figure 4.10:  “SO!GIS Suche” plugin developed at the Canton  



 of 

Solothurn 

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  

83

List of Figures and Tables




v

It is our great pleasure to write the foreword for the “FLOSS Cadastre” publica-

tion in our respective functions as Chair of FIG-Commission 7 and as the officer re-

sponsible of FAO’s Land Tenure Group. This booklet has been compiled and  edited 

by the initiators of this work, Dr. Daniel Steudler (Chair of Working Group 7.3 of 

FIG-Commission 7) and Dr. Mika-Petteri Törhönen (Land Tenure Officer, FAO), as 

well as by Ms. Gertrude Pieper, who provided technical leadership for the entire 

 initiative. We want to congratulate all three for this accomplishment and wish to 

express our gratitude for this new theme of exploration within our cooperation.

Land administration and cadastral systems in the 21

st

 Century, which play an 



 important role in practical implementation of responsible land governance, de-

pend on the use of information technology (IT) tools. The application of these 

tools affects very much the systems’ efficiency and costs. While commercial soft-

wares have helped to establish the infrastructures of today and continue to do so, 

open-source alternatives, which have achieved considerable significance in many 

IT fields, have grown to provide credible alternatives for consideration. For various 

reasons, however, they are not often used in land administration and cadastre, 

even when their potential is increasingly recognised. This booklet aims to shed 

light on this potential, exploring the advantages, and disadvantages of open-

source solutions within the context of cadastre and land registration.

This booklet is the result of four years of cooperation between FAO and FIG-

Working Group 7.3. This cooperation has allowed the participation and contribu-

tion of a wide variety of authors, who come from different settings of different 

world regions. We would like to express our deepest appreciation to all of them 

and for their valuable insights into the “theory” and “practice” of open-source 

concepts and software, both in general and in the context of the cadastre and 

land registration. Finally, many thanks for swisstopo for facilitating the publication 

of this work.

Foreword



vi

We expect this booklet to be a contribution to further developments in support 

of the crucial basic infrastructure of a functioning society, and, through that, to 

improvements in social and economical development.

Dr. Paul  Munro-Faure

Principal Officer

Climate, Energy and Tenure Division

Department of Natural Resources  

and Environment

Food and Agriculture Organization  

of the United Nations FAO

András Osskó

Chairperson Commission 7 

Cadastre and Land Management

International Federation of Surveyors FIG



1


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