Mapping Brazil in Scale 1:250.000 - A Reality

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Rafael Balbi Reis Msc. Geography

description

This session aims to present the BC250 project of IBGE. This project generated a new digital mapping of the whole Brazilian territory in a 1:250.000 scale with the aid of orbital sensors, DEM and FME. The Geographic Information Systems (GIS) and Remote Sensing are important tools to systematic mapping, these kinds of technologies contributed to increase the production and aquisition of new data faster than used to be. This new digital mapping is the first one provided on the standard called EDGV. This project is part of a new structure of collect, integration and store geospatial data, which in Brazil it is call INDE. The project started in 2008 and on October's 2013, with help of FME that provided workflows capable to create a digital continuous base, the whole country is avaiable on the internet. The 1:250.000 scale is important because it has the power of subsidize the regional planning and helps on studies and projects that’s involve environmental polices.

Transcript of Mapping Brazil in Scale 1:250.000 - A Reality

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Rafael Balbi Reis Msc. Geography

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Mission

To portray Brazil by provinding the information required to the

understanding of its reality and to the exercise of citizenship.

Production of Basic information: - Geography; - Statistic (Estatística).

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Geoscience Territorial Structure

Geodesic

Cartography

Geography

Natural Resources

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Introduction

Provide society with a plani-altimetric mapping of Brazil in scale

1:250,000 by continual cartographic vectorial base, compatible with

the accuracy requirements of the National Cartographic System and

the appropriate standards and regulations of the National

Infrastructure Spatial Data (INDE).

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Hidrography Vegetation Relief Transport

Energy and Communication

Water Supply and Sanitation

Education and Culture

Economic Structure

Localities

Public administration Limits Landmarks Health and Social

Service

EDGV

This new standard enables better data sharing, interoperability and a racional use of resources

for producers and users of data and information

School

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Project - Methods •  Acquisition and updates of cartographic features with Landsat/TM-ETM Scenes - since 2008;

•  Orthorectified with Digital elevation Model of Shuttle Radar Topography Mission and ground control points;

•  Information is referenced to SIRGAS 2000 and geodetic coordinates;

•  The digital elevation model will be used to extract the altimetric information;

•  Other inputs were used in the mapping process like compilation from different scales and information from other institutions.

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Division by contracts

Stages of development

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• Developing workflows – Partnership INOVAÇÃO; Solution of integration for mapping - FME

Data Integration

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2008

2009

2010

2011

• Projetc began; •  West from Amazon.

• Hiring of mapping company for 4 new parts.

Timeline • Preparation of Inspection Manual; • Training of Field Teams; • Collection of information 250.

2012

• Hiring of 3 mapping company for new parts; • Delivery of 4 parts, 2009; • Start of campaing with field teams.

• Delivery of 3 parts 2011; • Whole country available on web.

2007 • Integration (FME); • First version BC250-2013.

2013

2014 – Permanent Program Update

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Using FME

Integration •  Transforming of formats.

From: Geodatabase – To: Oracle Spatial and PostGIS (Validation of attributes)

•  Merge and Join - information and features from the contracts.

Permanent Program Update •  Validation of information from continual cartographic vectorial

base. (Geometry - Topology)

•  Extraction of information from database (ORACLE/POSTGIS) for users inside and outside IBGE.

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Data Conversion

470 workflows fmw And more...

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TRANSPORT

ECONOMIC STRUCTURE

Digital base

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HIDROGRAPHY

LIMITS – SPECIAL AREA

Digital base

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LOCALITIES

ENERGY AND COMMUNICATION

Digital base

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http://www.ibge.gov.br/english/

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Results and Products

•  Database (from IBGE) of ground control points - Nearly 2146 points;

•  451 Orthorectified scenes used in the project;

•  46 Orthorectified mosaics (5R4G3B) in 1:1.000.000 scale;

•  Digital Elevation Model mosaics used in the project;

•  Elaboration of a database of toponyms for the whole national territory;

•  Continual cartographic vectorial base, structured according to the Geospatial Data

Vectorial Structure (EDGV);

•  Workflows (fmw) for geometric and topology validation.

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•  The BC250 project arose with the purpose of cataloging, integrating and harmonizing the geospatial data existing in the Brazilian governmental institutions, according to the idea of the INDE;

•  Necessity of partners for the maintenance of complementary information;

•  Field work for the collection of geographic names, classification of features, etc;

•  Developing web services for the access to the INDE;

•  Publication of a first version in 2013; a new version will be released every 2 years.

Final Comments

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Thank You!

•  Questions?

For more information: –  Rafael Reis - [email protected] –  Coordination of Cartography - [email protected]

Address: Av. Brasil, 15.671 - Bloco Tridente - 2° andar

21241-051 - Parada de Lucas - Rio de Janeiro – RJ - Brazil

Tel.: (+5521) 2142-4988

Fax: (+5521) 2142-4973