确定影响地理信息系统应用中地图区域的区域校正

IF 0.3 Q4 REMOTE SENSING
Faruk Yildirim, F. Kadi
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引用次数: 3

摘要

目前,基于区域的地理信息系统(GIS)在房地产估价、土地税收、农业支持和成本效益分析等方面有着广泛的应用。在这种应用中使用的面积是通过二维平面几何来计算的。然而,计算的面积值并不是地形中的确切面积值。为了准确计算一个地块的面积值,必须考虑到各种因素造成的面积修正。这些因素是投影的选择,地形的坡度,地形的高程和地图的比例。可选择地形的投影和坡度;并非所有的GIS软件都能提供地形高程和地图比例尺。在本研究中,区域修正对从地图计算的面积值的影响通过样本应用程序进行了检验,并将结果呈现给GIS用户。根据结果,GIS用户应选择等面积投影。此外,在无法进行土地测量的地区,在计算面积时应考虑地图比例尺、地形高程和坡度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Determining the area corrections affecting the map areas in GIS applications
Abstract Nowadays, there are many area-based Geographic Information Systems (GIS) applications such as real estate valuation, land tax, farming support and cost–benefit analysis. Areas used in such applications are calculated by means of two-dimensional plane geometry. However, the computed area value is not the exact area value in the terrain. In order to calculate the exact area value of a parcel, area corrections due to various factors must be taken into account. These factors are selection of projection, slope of the terrain, elevation of the terrain and scale of the map. Selection of projection and slope of terrain are available; elevation of the terrain and scale of map are not available in all GIS software. In this study, the effect of area corrections on the area value calculated from the map is examined with sample applications and the results are presented to the GIS users. According to the results, GIS users should select the equal area projection. In addition, scale of map, elevation and slope of terrain should be taken into account in the area calculation where land measurements are not possible.
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28.60%
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12 weeks
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