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elevacao [2012/05/03 17:11]
laercio
elevacao [2015/11/20 09:22]
laercio [Inglês para Português]
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 === Autoria === === Autoria ===
 Laércio M. Namikawa - laercio@dpi.inpe.br Laércio M. Namikawa - laercio@dpi.inpe.br
 +
 +<​html>​
 +<a rel="​license"​ href="​http://​creativecommons.org/​licenses/​by-sa/​3.0/​deed.en_US"><​img alt="​Creative Commons License"​ style="​border-width:​0"​ src="​http://​i.creativecommons.org/​l/​by-sa/​3.0/​88x31.png"​ /></​a><​br /><​span xmlns:​dct="​http://​purl.org/​dc/​terms/"​ href="​http://​purl.org/​dc/​dcmitype/​Text"​ property="​dct:​title"​ rel="​dct:​type">​Elevation Analysis</​span>​ by <a xmlns:​cc="​http://​creativecommons.org/​ns#"​ href="​http://​wiki.dpi.inpe.br/​doku.php?​id=elevacao&​rev=1375816021"​ property="​cc:​attributionName"​ rel="​cc:​attributionURL">​Laercio M. Namikawa</​a>​ is licensed under a <a rel="​license"​ href="​http://​creativecommons.org/​licenses/​by-sa/​3.0/​deed.en_US">​Creative Commons Attribution-ShareAlike 3.0 Unported License</​a>​.
 +</​html>​
 ---- ----
 Modelos Digitais de Elevação tem sido utilizados para diversas aplicações,​ mas a experiência tem demonstrado que o uso efetivo destes modelos deve ser melhorado com a consideração de aspectos como o uso de metadados, a verificação da confiabilidade da informação resultante e a influência das diferentes escalas. Portanto, o objetivo da **Análise de Elevação** é incluir o estudo destes aspectos, desenvolvendo pesquisas e algoritmos, de modo a ser um campo de estudo mais completo que a Modelagem Digital de Elevação. \\ Modelos Digitais de Elevação tem sido utilizados para diversas aplicações,​ mas a experiência tem demonstrado que o uso efetivo destes modelos deve ser melhorado com a consideração de aspectos como o uso de metadados, a verificação da confiabilidade da informação resultante e a influência das diferentes escalas. Portanto, o objetivo da **Análise de Elevação** é incluir o estudo destes aspectos, desenvolvendo pesquisas e algoritmos, de modo a ser um campo de estudo mais completo que a Modelagem Digital de Elevação. \\
- 
- 
  
  
 ===== Modelagem Digital de Terreno ===== ===== Modelagem Digital de Terreno =====
 [[geopro:​MDT|O que é o modelo digital de terreno]]? [[geopro:​MDT|O que é o modelo digital de terreno]]?
 +
 +|  Superfíce Contínua ​ |{{elevacao:​dem_surface.png?​400}} \\ {{http://​i.creativecommons.org/​l/​by-sa/​3.0/​80x15.png}}|Download \\ {{elevacao:​dem_surface.svg|SVG }} \\ {{elevacao:​dem_surface.pdf|PDF}} |
 +<​html>​
 +<a rel="​license"​ href="​http://​creativecommons.org/​licenses/​by-sa/​3.0/​deed.en_US"><​img alt="​Creative Commons License"​ style="​border-width:​0"​ src="​http://​i.creativecommons.org/​l/​by-sa/​3.0/​80x15.png"​ /></​a><​br /><​span xmlns:​dct="​http://​purl.org/​dc/​terms/"​ property="​dct:​title">​DEM Surface</​span>​ by <a xmlns:​cc="​http://​creativecommons.org/​ns#"​ href="​http://​wiki.dpi.inpe.br/​doku.php?​id=elevacao&​rev=1375816021"​ property="​cc:​attributionName"​ rel="​cc:​attributionURL">​Laercio M. Namikawa</​a>​ is licensed under a <a rel="​license"​ href="​http://​creativecommons.org/​licenses/​by-sa/​3.0/​deed.en_US">​Creative Commons Attribution-ShareAlike 3.0 Unported License</​a>​.
 +</​html>​
 +\\
 +
 +|  Isolinhas ​ |{{elevacao:​dem_contour.png?​400}}\\ {{http://​i.creativecommons.org/​l/​by-sa/​3.0/​80x15.png}}|Download ​ \\  {{elevacao:​dem_contour.svg|SVG}} \\ {{elevacao:​dem_scontour.pdf|PDF}}|
 +<​html>​
 +<a rel="​license"​ href="​http://​creativecommons.org/​licenses/​by-sa/​3.0/​deed.en_US"><​img alt="​Creative Commons License"​ style="​border-width:​0"​ src="​http://​i.creativecommons.org/​l/​by-sa/​3.0/​80x15.png"​ /></​a><​br /><​span xmlns:​dct="​http://​purl.org/​dc/​terms/"​ property="​dct:​title">​DEM Contour</​span>​ by <a xmlns:​cc="​http://​creativecommons.org/​ns#"​ href="​http://​wiki.dpi.inpe.br/​doku.php?​id=elevacao&​rev=1375816021"​ property="​cc:​attributionName"​ rel="​cc:​attributionURL">​Laercio M. Namikawa</​a>​ is licensed under a <a rel="​license"​ href="​http://​creativecommons.org/​licenses/​by-sa/​3.0/​deed.en_US">​Creative Commons Attribution-ShareAlike 3.0 Unported License</​a>​.
 +</​html>​
 +
 +|  Grade Regular ​ |{{elevacao:​dem_grid.png?​400}}\\ {{http://​i.creativecommons.org/​l/​by-sa/​3.0/​80x15.png}}|Download ​ \\  {{elevacao:​dem_grid.svg|SVG}} \\ {{elevacao:​dem_grid.pdf|PDF}}|
 +<​html>​
 +<a rel="​license"​ href="​http://​creativecommons.org/​licenses/​by-sa/​3.0/​deed.en_US"><​img alt="​Creative Commons License"​ style="​border-width:​0"​ src="​http://​i.creativecommons.org/​l/​by-sa/​3.0/​80x15.png"​ /></​a><​br /><​span xmlns:​dct="​http://​purl.org/​dc/​terms/"​ property="​dct:​title">​DEM Grid</​span>​ by <a xmlns:​cc="​http://​creativecommons.org/​ns#"​ href="​http://​wiki.dpi.inpe.br/​doku.php?​id=elevacao&​rev=1375816021"​ property="​cc:​attributionName"​ rel="​cc:​attributionURL">​Laercio M. Namikawa</​a>​ is licensed under a <a rel="​license"​ href="​http://​creativecommons.org/​licenses/​by-sa/​3.0/​deed.en_US">​Creative Commons Attribution-ShareAlike 3.0 Unported License</​a>​.
 +</​html>​
 +|  TIN  |{{elevacao:​dem_tin.png?​400}}\\ {{http://​i.creativecommons.org/​l/​by-sa/​3.0/​80x15.png}}|Download ​ \\  {{elevacao:​dem_tin.svg|SVG}} \\ {{elevacao:​dem_tin.pdf|PDF}}|
 +<​html>​
 +<a rel="​license"​ href="​http://​creativecommons.org/​licenses/​by-sa/​3.0/​deed.en_US"><​img alt="​Creative Commons License"​ style="​border-width:​0"​ src="​http://​i.creativecommons.org/​l/​by-sa/​3.0/​80x15.png"​ /></​a><​br /><​span xmlns:​dct="​http://​purl.org/​dc/​terms/"​ property="​dct:​title">​DEM TIN</​span>​ by <a xmlns:​cc="​http://​creativecommons.org/​ns#"​ href="​http://​wiki.dpi.inpe.br/​doku.php?​id=elevacao&​rev=1375816021"​ property="​cc:​attributionName"​ rel="​cc:​attributionURL">​Laercio M. Namikawa</​a>​ is licensed under a <a rel="​license"​ href="​http://​creativecommons.org/​licenses/​by-sa/​3.0/​deed.en_US">​Creative Commons Attribution-ShareAlike 3.0 Unported License</​a>​.
 +</​html>​
 +
 +===== Research Topics Ideas =====
 +
 +==== MultiResolution Rectangular Grid Model ====
 +=== Questions ===
 +
 +== Is it better than TIN? ==
 +What is better? Less computer demanding - storage and processing.\\
 +
 +== Which Data Structure to use? ==
 +What is available? Are there any OGC standards?
 +
 +== How to define the different resolutions and where they are? ==
 +Can we use a variation of VIP algorithm?
 +
 +
 +
  
 ===== Tópicos da Pesquisa ===== ===== Tópicos da Pesquisa =====
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-==== PG-CAP ​2011 ====+ 
 + 
 +==== PG-CAP ​2014 ====
 [[http://​wiki.dpi.inpe.br/​doku.php?​id=cap349/​|CAP-349:​ Bancos de Dados Geográficos]] [[http://​wiki.dpi.inpe.br/​doku.php?​id=cap349/​|CAP-349:​ Bancos de Dados Geográficos]]
  
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 JPL-NASA (2003). ASTER: Advanced Spaceborne Thermal Emission and Reflection Radiometer. 2003. JPL-NASA (2003). ASTER: Advanced Spaceborne Thermal Emission and Reflection Radiometer. 2003.
 +
 +SRTM DLR X_SAR
 +http://​www.dlr.de/​eoc/​en/​Portaldata/​60/​Resources/​dokumente/​7_sat_miss/​srtm_products_en.pdf\\
 +http://​www.dlr.de/​eoc/​en/​Portaldata/​60/​Resources/​dokumente/​7_sat_miss/​srtm_daten_download_en.pdf
  
 === ASTER === === ASTER ===
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 ---- ----
  
-==== Dados Disponíveis ====+ 
 +==== Worldwide Data Availability - Dados Disponíveis ​DEM Globais ​====
  
 === SRTM === === SRTM ===
  
 Topographic data acquired during the Shuttle Radar Topography Mission (SRTM), in February 2000, flew onboard Space Shuttle Endeavour. The SRTM radar contained two types of antenna panels, C-band and X-band. C-band data processed at the Jet Propulsion Laboratory and X-band processed and distributed by DLR. (JPL-NASA, 2002) Topographic data acquired during the Shuttle Radar Topography Mission (SRTM), in February 2000, flew onboard Space Shuttle Endeavour. The SRTM radar contained two types of antenna panels, C-band and X-band. C-band data processed at the Jet Propulsion Laboratory and X-band processed and distributed by DLR. (JPL-NASA, 2002)
 +== Download ==
 +Research Data\\
 +http://​dds.cr.usgs.gov/​srtm/​version2_1/​
  
 **Accuracy** **Accuracy**
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   * vertical accuracy (absolute): ​ ±16m 90% vertical error   * vertical accuracy (absolute): ​ ±16m 90% vertical error
   * vertical accuracy (relative): ​ ±6m 90% vertical error   * vertical accuracy (relative): ​ ±6m 90% vertical error
 +== Download ==
 +http://​eoweb.dlr.de
  
 === ASTER === === ASTER ===
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   *  One study at a site in British Columbia(Canada) showed errors of 28 meters for 68% level of confidence and 51 meters for the 90 % level of confidence, with errors ranging from -151 to 167 meters, after eliminating mismatched areas and correcting lakes. (Toutin 2002)   *  One study at a site in British Columbia(Canada) showed errors of 28 meters for 68% level of confidence and 51 meters for the 90 % level of confidence, with errors ranging from -151 to 167 meters, after eliminating mismatched areas and correcting lakes. (Toutin 2002)
  
 +== Download ==
 +http://​gdem.ersdac.jspacesystems.or.jp/​
 ---- ----
  
 +=== How-To ===
 +
 +[[SRTM_no_SPRING:​Como importar dados SRTM para o SPRING]].
  
  
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 [[:​elevacao:​ingles2portugues|Tradução de termos do Inglês para o Português]] [[:​elevacao:​ingles2portugues|Tradução de termos do Inglês para o Português]]
 +
 +==== Aplicações ====
 +
 +[[:​elevacao:​aplichand|Aplicações do HAND (Distância Vertical à Drenagem Mais Próxima)]]

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