• Refine Query
  • Source
  • Publication year
  • to
  • Language
  • 2
  • 1
  • 1
  • Tagged with
  • 4
  • 4
  • 3
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 1
  • 1
  • 1
  • 1
  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Análise da qualidade posicional das bases do Google Maps, Bing Maps e da Esri para referência espacial em projetos em SIG: aplicação para o município de São Paulo. / Horizontal positional accuracy of Bing Maps, Google Maps and Esri\'s World Imagegery as spatial references within a geographic information system for the municipality of São Paulo.

Sztutman, Paulo 09 December 2014 (has links)
A presente pesquisa analisou a acurácia posicional horizontal das bases do Bing Maps, Google Maps e da World Imagery da Esri quando utilizadas como referência espacial on-line em um Sistema de Informação Geográfica no Município de São Paulo (MSP). A metodologia adotada foi a baseada no Decreto Federal no 89.817/84 e na Análise Estatística proposta por Merchant (1982). A análise da acurácia foi desenvolvida a partir das diferenças entre as coordenadas de 240 pontos nas cartas 1:1.000 do Mapa Digital da Cidade de São Paulo (MDC) em relação às coordenadas homólogas nas três bases, considerando separadamente as coordenadas do eixo Norte e Este. A base do Google Maps para o MSP foi dividida em duas (mosaico de ortofotos na área central e mosaico de imagens de satélite nas regiões periféricas), devido à grande diferença de acurácia entre os dois produtos. Para classificar cada base a partir do Decreto 89.817 foi definida a escala na qual somente 10% das discrepâncias tivessem seu valor superior ao PEC, e a escala na qual o Root Mean Square Error (RMSE) da amostra das discrepâncias fosse igual a 60,8% do PEC. A escala final selecionada foi a menor (menos detalhada) entre as definidas em cada um dos processos. A Análise Estatística foi baseada nos testes de tendência e precisão. Como as três bases apresentaram tendência, a escala definida pelo teste de precisão não foi considerada no cômputo final das escalas, devido à dificuldade de se eliminar a tendência nessas bases quando utilizadas no SIG. As escalas finais obtidas, relativas à classe A, foram: Google Maps (imagens de satélite): 1:12.400; Google Maps (ortofotos): 1:3.588; Bing Maps: 1:10.881 e Word Imagery da ESRI: 1:8.420. Concluiu-se que os três produtos com escalas próximas a 1:10.000 apresentam acurácia para serem utilizados como bases em SIGs nos estudos para planejamento urbano e que o Google Maps (ortofotos, com escala próxima a 1:4.000) pode ser igualmente utilizada para planejamento, mas em função de sua acurácia maior, pode servir também para a gestão de serviços urbanos. A principal limitação encontrada para as bases no uso como referência espacial em SIGs foi a inclinação das feições distantes do nadir da imagem ou da ortofoto e o consequente recobrimento de áreas adjacentes a essas feições. Entretanto, essa limitação se mostrou quase desprezível para as escalas definidas para as bases na análise da acurácia. / This research has analyzed the horizontal positional accuracy of basemaps Bing Maps, Google Maps and ESRIs World Imagery when used as an online spatial reference within a Geographic Information System for the municipality of São Paulo. The methodology was based on criteria defined by Brazil Federal Decree 89817/84 and in the analysis proposed by Merchant (1982). The accuracy analysis was developed observing the discrepancies between coordinates of selected 240 points from the 1:1000 digital map of São Paulo compared to corresponding points in the three basemaps, (coordinate directions North and East were considered separately). The Google Maps basemap for the city of São Paulo was divided in two (ortophoto mosaic for the central area and satellite images mosaic in the remainder peripheral areas), due to the considerable differences in their accuracy patterns. In order to classify each basemap as per Federal Decree 89.817, we have defined a scale in which only 10% of discrepancies were above the LMAS90 and the Root Mean Square Error (RMSE) of the discrepancies sample was equal to 60,8% of LMAS90. The final selected scale was the smallest (less detailed) of those obtained in each of the processes. The statistical analysis was based on the test of bias error and by a test of precision. Because the three basemaps have presented biases, the final scales defined by the precision test were not considered in the results, for it is difficult to eliminate biases in these basemaps when used in a GIS. We have obtained the following final scales to class A of the Brazilian Decree: Google Maps (area covered by satellite images): 1:12.400; Google Maps (area covered by ortophotos): 1:3.588; Bing Maps: 1:10.881 and ESRIs Word Imagery: 1:8.420. In conclusion, (a) the three products with scales around a 1:10.000 present accuracy to be used as basemap in GIS for urban planning studies and (b) Google Maps (area covered by ortophotos, scale around 1:4.000) can be equally used for planning studies, as well as urban services manager, due to its greater accuracy. The key limitations for the use of such basemaps as spatial references in GIS was the inclination of features which are distant from the image or ortophoto nadir (off-nadir effects) and the consequent shadowing of adjoining areas. However, this limitation is almost irrelevant to the scales defined for the basemaps in the accuracy analysis.
2

Análise da qualidade posicional das bases do Google Maps, Bing Maps e da Esri para referência espacial em projetos em SIG: aplicação para o município de São Paulo. / Horizontal positional accuracy of Bing Maps, Google Maps and Esri\'s World Imagegery as spatial references within a geographic information system for the municipality of São Paulo.

Paulo Sztutman 09 December 2014 (has links)
A presente pesquisa analisou a acurácia posicional horizontal das bases do Bing Maps, Google Maps e da World Imagery da Esri quando utilizadas como referência espacial on-line em um Sistema de Informação Geográfica no Município de São Paulo (MSP). A metodologia adotada foi a baseada no Decreto Federal no 89.817/84 e na Análise Estatística proposta por Merchant (1982). A análise da acurácia foi desenvolvida a partir das diferenças entre as coordenadas de 240 pontos nas cartas 1:1.000 do Mapa Digital da Cidade de São Paulo (MDC) em relação às coordenadas homólogas nas três bases, considerando separadamente as coordenadas do eixo Norte e Este. A base do Google Maps para o MSP foi dividida em duas (mosaico de ortofotos na área central e mosaico de imagens de satélite nas regiões periféricas), devido à grande diferença de acurácia entre os dois produtos. Para classificar cada base a partir do Decreto 89.817 foi definida a escala na qual somente 10% das discrepâncias tivessem seu valor superior ao PEC, e a escala na qual o Root Mean Square Error (RMSE) da amostra das discrepâncias fosse igual a 60,8% do PEC. A escala final selecionada foi a menor (menos detalhada) entre as definidas em cada um dos processos. A Análise Estatística foi baseada nos testes de tendência e precisão. Como as três bases apresentaram tendência, a escala definida pelo teste de precisão não foi considerada no cômputo final das escalas, devido à dificuldade de se eliminar a tendência nessas bases quando utilizadas no SIG. As escalas finais obtidas, relativas à classe A, foram: Google Maps (imagens de satélite): 1:12.400; Google Maps (ortofotos): 1:3.588; Bing Maps: 1:10.881 e Word Imagery da ESRI: 1:8.420. Concluiu-se que os três produtos com escalas próximas a 1:10.000 apresentam acurácia para serem utilizados como bases em SIGs nos estudos para planejamento urbano e que o Google Maps (ortofotos, com escala próxima a 1:4.000) pode ser igualmente utilizada para planejamento, mas em função de sua acurácia maior, pode servir também para a gestão de serviços urbanos. A principal limitação encontrada para as bases no uso como referência espacial em SIGs foi a inclinação das feições distantes do nadir da imagem ou da ortofoto e o consequente recobrimento de áreas adjacentes a essas feições. Entretanto, essa limitação se mostrou quase desprezível para as escalas definidas para as bases na análise da acurácia. / This research has analyzed the horizontal positional accuracy of basemaps Bing Maps, Google Maps and ESRIs World Imagery when used as an online spatial reference within a Geographic Information System for the municipality of São Paulo. The methodology was based on criteria defined by Brazil Federal Decree 89817/84 and in the analysis proposed by Merchant (1982). The accuracy analysis was developed observing the discrepancies between coordinates of selected 240 points from the 1:1000 digital map of São Paulo compared to corresponding points in the three basemaps, (coordinate directions North and East were considered separately). The Google Maps basemap for the city of São Paulo was divided in two (ortophoto mosaic for the central area and satellite images mosaic in the remainder peripheral areas), due to the considerable differences in their accuracy patterns. In order to classify each basemap as per Federal Decree 89.817, we have defined a scale in which only 10% of discrepancies were above the LMAS90 and the Root Mean Square Error (RMSE) of the discrepancies sample was equal to 60,8% of LMAS90. The final selected scale was the smallest (less detailed) of those obtained in each of the processes. The statistical analysis was based on the test of bias error and by a test of precision. Because the three basemaps have presented biases, the final scales defined by the precision test were not considered in the results, for it is difficult to eliminate biases in these basemaps when used in a GIS. We have obtained the following final scales to class A of the Brazilian Decree: Google Maps (area covered by satellite images): 1:12.400; Google Maps (area covered by ortophotos): 1:3.588; Bing Maps: 1:10.881 and ESRIs Word Imagery: 1:8.420. In conclusion, (a) the three products with scales around a 1:10.000 present accuracy to be used as basemap in GIS for urban planning studies and (b) Google Maps (area covered by ortophotos, scale around 1:4.000) can be equally used for planning studies, as well as urban services manager, due to its greater accuracy. The key limitations for the use of such basemaps as spatial references in GIS was the inclination of features which are distant from the image or ortophoto nadir (off-nadir effects) and the consequent shadowing of adjoining areas. However, this limitation is almost irrelevant to the scales defined for the basemaps in the accuracy analysis.
3

GIS-IMPLEMENTATION AV BING MAPS TILL WINDOWS 8 OCH WINDOWS PHONE 8 / GIS-IMPLEMENTATION WITH BING MAPS ON WINDOWS 8 AND WINDOWS PHONE 8

Björklund, Thomas, Wahlund, Christer January 2013 (has links)
This thesis has been performed at consulting firm Sweco Position in Jönköping. The thesis is divided into two main sections: theoretical and practical. The theoretical section contains an investigation into the possibilities of implementing a geographical information system (GIS) for administrations of wells with the integration of Bing Maps for Windows 8 and Windows Phone 8. The practical work comprises the development of a prototype for Windows 8 and Windows Phone 8. The students review the Model-View-ViewModel-pattern on a theoretical basis, compares the differences between Windows 8 Pro and Windows RT. The thesis also contains and investigation into the pros and cons of a web based application compared to a native one. The result of the thesis will be comprised of a GIS-service developed in C# in co-operation with XAML with the options of saving data locally and a WMS-based service layer for Windows 8 and Windows Phone 8. / Detta examensarbete har utförts på konsultbolaget Sweco Position i Jönköping. Arbetet har varit uppdelat i två större delar: teoretiskt och praktiskt arbete. Teoretiska delen omfattade en utredning kring möjligheterna att implementera ett geografiskt informationssystem (GIS) för administration av brunnar med hjälp av Bing Maps tillsammans med Windows 8 och Windows Phone 8. Praktiska arbetet omfattade skapandet av en prototyp till Windows Phone 8 och Windows 8. Studenterna går bland annat genom Model-View-ViewModel-mönstret på en teoretisk nivå, beskriver skillnaderna mellan Windows 8 Pro och Windows RT. Ett utredande om för och nackdelar vid utveckling av webbaserade applikationer och native-applikationer. Resultatet av examensarbetet kommer innefatta en GIS-lösningen utvecklad i C# i samverkan med XAML och omfatta lokalt sparad data med WMS-tjänst baserad interaktion till Windows 8 och Windows Phone 8.
4

Puerto Argentino, inhabited by the pirates and drunkards of the royalty / Puerto Argentino, inhabited by the pirates and drunkards of the royalty

Mlynarčík, Štefan January 2019 (has links)
Objectivity and neutrality of current makers of online maps is hampered by the fact that the most important of them who form the public opinion are largely commercial giants. Sensitivity of approaches is desirable especially in specific situations involving territorial disputes. The textual part of the thesis brings theoretical insights to the problematics of map makers policies and their preservation or violation. At the same time is describes critical cartography as a current opposition against governmental and cooperative mapping, of which counter-mapping processes are regularly used in art, too. Practical outcome attempts to reflect specific approaches of map makers depending on particular territorial disputes. It takes place mostly in online environment, using the functions of Google Street View or Google Earth and forms of counter-mapping on the OSM platform. The goal is to bring alternative realities complicating map makers policies and governing apparatus to map projects with the international coverage.

Page generated in 0.0535 seconds