TerraLib and TerraView Karine Reis Ferreira Image Processing Division – DPI 20/10/2006.
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Transcript of TerraLib and TerraView Karine Reis Ferreira Image Processing Division – DPI 20/10/2006.
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TerraLib and TerraViewTerraLib and TerraView
Karine Reis Ferreira Image Processing Division – DPI
20/10/2006
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What is TerraLib?
Free and Open source GIS software library GNU Library License
Provides support for the development of GIS: Custom-built geographical applications DBMS for manage spatial data (vector and raster)
Support for different DBMS Relational DBMS:
Oracle, PostgreSQL, MySQL, SQL Server
OR DBMS with spatial extent
Oracle Spatial and PostGIS
DBMS
TerraLib
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What is TerraLib?
It is a product to be used by computer programmers to build customizable geographical applications
Web-based co-operative development - www.terralib.org Documentation, download and forum
Developed by:
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What is TerraView?
Geographical application built on TerraLib It is an example of how to build a geographical application using
TerraLib ~ 7950 downloads in 2005 and 2801 in 2006
www.dpi.inpe.br/terraview Current release: 3.1.3
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What is TerraView?
DBMS
TerraLib
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SPRING - TerraLib - TerraView
SPRING TerraLib TerraView
What isGeographical Application
Software library to build Geographical Application
Geographical Application built on
TerraLib
Users GIS users Computer programmers GIS users
Geographical Database
Binary files + DBMS
DBMS DBMS
Source code closed open open
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TerraLib – Vector data
Some functions provided by TerraLib
to deal with vector data: Topological functions
Touches, Intersects, Inside, ... Geographical operations
Buffer, Union, Intersection, ... Spatial and temporal queries Spatial and Temporal statistics
Moran, Kernel Map, ... Address Geocoding
A
B
A
B
Intersection
C
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TePDI – TerraLib image processing module: Contains a set of functions to process raster data
TerraLib – Raster Data
DBMSDBMS
TerraLib KernelTerraLib Kernel
Image processing Image processing ApplicationApplication
TePDITePDI
DiskDisk RAMRAM
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Current functions available in TePDI: Image blending – Euclidian and multi-resolution blending. Edge detection filters – Robers and Sobel filters. Mask based linear filters. Morphological filters ( Erosion, dilation and median ). Radar filters ( Frost, Lee and Kuan ). Image fusion ( HIS, Wavelets and Enhanced Wavelets algorithm ) Image Arithmetic algorithms. Image contrast (linear methods, non-linear methods, statistical method ). Image mosaic algorithms (Geographic and tie-points based). Image registering algorithms. Image segmentation algorithms. Wavelets based decomposition filters.
TerraLib – Raster Data
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TerraPHP PHP extension Visualize and query geographical data from a TerraLib
database in Web applications
Free and Open source
Example of application:
TerraWeb
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TerraPHP
ClientTerraLibTerraLib
HTTP
Web Server(Apache)
Image: PNG
DBMSDBMS
PáginaPHP
PHPPHPTerraPHPTerraPHP
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TerraLib applications and projects
Cadastral Mapping Improving urban management of large
Brazilian cities Public Health
Spatial statistical tools for epidemiology and health services
Social Exclusion Indicators of social exclusion in inner-city
areas Land-use change modelling
Spatio-temporal models of deforestation in Amazonia
Emergency action planning Oil refineries and pipelines (Petrobras)
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SIGMUN, FUNCATE www.funcate.org.br
Integrated Urban Geographic Information Systems
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Epidemiologic Surveillance Support System
SAUDAVEL project Tools for epidemiological surveillance, integrating environmental
aspects, risk factor detection, and automatic and semiautomatic methods, allowing outbreak detection and follow-up in space and time
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InfoPAE - An emergency plan deployment system
Automated system designed to improve the response to emergency situations
Applicable to pipelines, oils terminals, oil refineries and offshore installations, and it also proved to be a valuable training tool
Tecgraf and PETROBRAS
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aRT
API R-TerraLib: an R package that provides the integration between the software R and the GIS classes TerraLib
Developed by ESTE – UFPR
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TerraNetwork Dedicated GIS to Urban Network Applications Developed by LAC-INPE