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Study on Relief Shading in Mapping

Author: WuYuQing
Tutor: TangXinMing
School: Chinese Academy of Surveying and Mapping
Course: Cartography and Geographic Information Engineering
Keywords: Relief Shading Illumination model Color model Digital Elevation Model
CLC: P285.1
Type: Master's thesis
Year: 2010
Downloads: 209
Quote: 1
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Abstract


The landscape is a basic element in the natural environment , is the generic term for the various ups and downs of the Earth's surface morphology . How to undulating topography on the map of the plane , is one of the most challenging problems Cartography . The cartographic experts over a long period of research and practice , the scenery law , halo the Weng method , contour line method , hierarchical and color method , Shading law geomorphology . Which Shading method has been widely used for its intuitive image artistic . The article systematically elaborated the history and status quo of domestic and international relief shading method , relief shading theory and model based illumination model and color model , and data in support of the relief shading - digital elevation model system thesis using SRTM data analysis . Relief Shading digital production technology summary of previous studies on the basis of this article to explore the factors affecting Shading Map Production effect and effect diagram is given under different parameter settings , and a comparative analysis ; research method adjust Hillshading effect on the color shaded relief and overlay other elements Hillshading the Note . Technology for research , combined with the practice of cartographic atlas production project , given the different production instance , and results show that the proposed method can satisfy the requirements of the atlas produced of Hillshading effect . According cartographic practice to discuss the different software ( including GIS software and graphics software ) in the realization of relief shading . Finally, a summary of this work , pointed out the existing problems , the follow-up study of of and Hillshading technology recommendations and Prospects .

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CLC: > Astronomy,Earth Sciences > Surveying and Mapping > Cartography ( Cartology ) > Specialized map production > The preparation of the natural geographic map
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