Determination of region area in two UTM zone using shoelace formula based on the GADM database

Setiawan, Adi; Sediyono, Eko

doi:10.1063/5.0103178

Cited by 1 publication

(1 citation statement)

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“…Several studies apply the polygon method proposed by Karney to calculate the extent of an area, such as research conducted by Karney [1], Windarni et al [2], Yildirim et al [3], and Windarni et al [4]. In addition, the application of the Shoelace method can also be used to calculate the range of an area, such as research conducted by Setiawan et al [5], Meng et al [6], Stoeck [7], Kronenfeld et al [8], Setiawan et al [9], and Setiawan et al [10].…”

Section: Introductionmentioning

confidence: 99%

Comparison of the Karney Polygon Method and the Shoelace Method for Calculating Area

Windarni,

Setiawan,

Rahmatalia

2023

matrik

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In calculating the area of an area, latitude and longitude coordinates are based on data from Global Administrative Region Database and Google Earth can be used. The aim of this research is to calculate the area. This research uses the Karney and Shoelace method to determine its accuracy based on Median Absolute Percentage Error in calculating the area of an area. Median Absolute Percentage Error results use data based on Global Administration The Regional Database by applying the polygon method proposed by Karney is 18.73%, and the percentage is 18.19% by applying the Shoelace method. Based on Google Earth data, implementation the method proposed by Karney obtained a percentage of 19.14%, and the application of shoelaces method obtained a percentage of 19.72%. In this case, Karney polygons and the Shoelace method has good accuracy because the value is below 20%. The proposed Shoelace method is easier to perform understand compared to the Karney method for calculating land area because it uses the Universal Transverse Mercator coordinate system, which projects points on the Earth's surface onto a flat plane.

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