(Seychelles Case Study) · 2011-02-25 · (Seychelles Case Study) John Latham, NRL Renato Cumani,...

NATURAL RESOURCES DEPARTMENT (NR)

LRIMS Cadastre Module

User Requirements and Functionality

(Seychelles Case Study)

John Latham, NRL

Renato Cumani, NRL

Luigi Simeone, NRL

NATURAL RESOURCES DEPARTMENT (NR) Summary

� Background

� User Requirements

� Business Model

� Application Interface

� Integration with Land Resources Information Management Systems (LRIMS)


Objective

• The Cadastre Module for Seychelles aims at improving the efficiency of delivery of services for authorities dealing with cadastre operations, through providing interfaces that effectively deal with cadastre data integrated

Goals

• Ensuring consistency in cadastre processes through linking spatial and non-spatial data;

• Enhancing processes related to displaying/finding/identifying parcels with specific characteristics;

• Improving quality of cadastre-related geographical layers;

• Facilitating maps/reports production for cadastre data; and

• Generating a land utilization layer.

Background


Final Cadastre Module

− Installing the Cadastre Module

− Testing and fixing problems.

− Training the GIS staff on using the

Cadastre Module

Installation and Testing

Cadastre Module (Beta Release)

− Building the database

− Developing the designed application

(interfaces)

Development of Application

Conceptual and

Detailed Database Design Report

− Data elements, data structures and

data elements grouping/organization

− Geodatabase Schema (database

structure, database tables and item

definitions, database elements and

relationships)

Conceptual and

Detailed Database Design

Needs Assessment

and Analysis of Application Report

− Describing the needs, functionalities,

problems and solutions.

Needs Assessment

and Analysis of Application

DeliverableDescriptionPhase

Implementation Plan


� Review Requirements, Needs and Capabilities

� Stakeholder Meetings

� Identify Application Needs

� Identify Data Needs

� Indentify Functionality

� Design ( Data model, Application Interface)

� Prototyping, Debugging and Testing

� Deployment and User Acceptance

� Documentation and Training

Methodology


Definition

• A record of position, form, area, utilization and owner of each individual parcel;

• Many Applications; and

• Additional Layers.

Characteristics

• Up-to-date; and

• Own aspects and specifications due to different parcel management systems.

Stakeholders

• Register offices;

• Land-use planning;

• Land survey departments/authorities; and

• GIS appointed entity.

GIS and Cadastre

• GIS offers cadastres the opportunity to link tabular and geographic data;

• GIS technology enables the interested parties to manage parcel data in a manner not possible with hand-drawn or CAD-generated maps;

• Speed, accuracy, saving space, eliminates confusion

Review of existing cadastre records


GIS Center (MND): responsible for coordinating the governmental activities related to GIS and

providing technical support to other units in the government, as well as hosting Cadastre

Module for Seychelles

Survey Division (MND): responsible for carrying out the surveying projects, in addition to

providing the GIS Center and the Land Registration Department with the parcels

shapefiles/CAD

Land Registration Department: responsible for keeping track record of ownership for each

parcel

Potential Users:

- Department of Natural Resources (MENRT)

- Department of Environment (MENRT)

- National Bureau of Statistics

- Risk and Impact Assessment Sector (DRDM)

- Planning Department (MND)

- GIS Unit, Department of Natural Resources

- Land Management Division (MND)

- Housing and Condominium Department (MND)

Cadastre Stakeholders


The meetings held between the consultant and the stakeholders will aim at assessing the cadastre

situation (and needs) in Seychelles, where each stakeholder is asked to explain his/her organization's

stand-point concerning the following main points:

� Existing GIS and/or CAD S/W (or expected on the short run)

� Available experience in GIS S/W as well as in dealing with maps

� The available H/W (or expected on the short run)

� Discussion of the cadastre business-cycle from the organization's point of view (including the role of the

organization)

� Major problems/shortfalls/bottlenecks in the cadastre business-cycle from the organization's point of

view

� Suggested Improvements in the cadastre business-cycle

� The available basemaps or cadastre-related maps, if any (layers/coverage/format)

� Available information related to cadastre (Database/tables/reports)

� Availability of sample information (related to cadastre)

� Discussion on the technical proposal of the Cadastre Module for Seychelles

Stakeholders meeting

NATURAL RESOURCES DEPARTMENT (NR) Preliminary findings

Data• There are some problems with existing data. The project coordinator will work with other stakeholders to tackle those problems.

• Sample data, covering pilot are available to be used to develop the module. The delivered sample data has some errors (e.g. missing attributes/codes), which makes it indicative of the possible existing errors in the real data, hence adding benefit to the development of the Quality Assurance Interface.

• It is important to offer the survey division help with the process of correcting and updating existing maps as they do not have the required human resources.


� The module will be a standalone as it is not possible to use a multi-user

architecture at the moment due to the absence of required network

infrastructure. However, a multi-user architecture might be considered under

the scope of another project later on.

� The module will only require ArcGIS license to run

� The proposed application interface is reviewed and generally accepted

Findings on the proposed module


� In order to help with public participation and to support

transparency, any GIS (including the proposed one), should have an

online version that can be accessed by the general public, e.g. to query

about specific information at any time

� There is a need to develop a strategy on a National GIS (NGIS)

Proposed module (continue)


Problems

� The current status of cadastre cycle shows that the parcel layer is not linked to the land registration

records (containing all related data).

� The absence of the link between the parcel layer and the associated data leads to difficulties in the

searching and reporting operations.

� Manual checking of parcel layer results in difficulties/errors in identifying errors.

� Inconsistencies between parcel layer and parcel ownership data are different to identify.

Current Cadastre Business Model


Advantages

� The geodatabase contains the verified cadastre maps and the ownership data.

� A link between the SD parcels map and the LRD records will be established.

� Search and query operations will be easily performed on the parcels maps and the associated

land records and in an integrated way.

� The quality assurance process is enforced in an automated way.

� Flexibility in reports/maps production.

Proposed Cadastre Business Cycle


ArcGIS customization over FLOSS is chosen due to:

� Availability of ArcGIS licenses (no extra license fees needed)

� Readily available capabilities/functionalities that will not be sacrificed (since

the module will be built as an extension to ArcGIS)

� Familiarity of the staff of GISC with ArcGIS usage

� Scalability and flexibility will not be compromised in the ArcGIS environment,

where future modifications/additions are viable. Moreover, moving from

desktop to multi-user (or vise versa) is possible and easy (provided that the

appropriate considerations were accounted-for in due time).

System Architecture


•Achieving multi-user environment entails less redundancy, better management/maintenance and future-scalability.

•Less complicated environment: straight forward implementation and easiness of modifications.

•Does not need special hardware setup or LAN.

Advantages

•1 license of “ArcGIS Server Basic Enterprise” (the new name of Multi-User ArcSDE) on the main server hosting the SQL RDBMS

•2 licenses of ArcEditor•2 licenses of ArcView•LAN

•2 licenses of ArcViewSoftware Requirements

•A multi-user application for cadastre having querying capabilities, reporting capabilities, quality checking capabilities and generation of Land-Utilization layer.

•Multi-User geodatabase (cadastre geodatabase can be edited by multiple users simultaneously)

•All geometric editing operations can not be integrated in the application and needs to be done using the editing tools found in ArcEditor.

•A desktop GIS application for cadastre having querying capabilities, reporting capabilities, quality checking capabilities and generation of Land-Utilization layer.

•Personal geodatabase (cadastre geodatabase can be edited by one user at a time).

•Standard editing operations can be integrated in the application (splitting parcels, merging parcels, adding new parcels, deleting existing parcels, etc).

Description

Solution 2 (Multi-User)Solution 1 (Desktop)Item


� The desktop architecture will be adopted (the module will only require ArcView to run),

this approach was recommended by all the stakeholders, as it is not possible to use a

multi-user architecture at the moment due to the absence of required network

infrastructure.

� The multi-user architecture should not be disregarded. On the contrary, the Cadastre

Module should be developed with the multi-user environment in mind. Appropriate

considerations and measures in programming code and database design should be taken

to ensure that future migration from desktop to multi-user architecture (should this

happen) would only require migrating from personal to multi-user geodatabase along with

minor interface changes (minimal effort).

Systems Architecture


Attribute SearchSpatial Search

Map ReportAttribute ReportGraphical Report

Quality Assurance InterfaceQuality Assurance Report

LUT Interface

Interfaces


Thank you

(Seychelles Case Study) · 2011-02-25 · (Seychelles Case Study) John Latham, NRL Renato Cumani,...

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