Using Google Maps and spherical quadrilateral approach method for land area measurement
Использование Google Maps и метода сферического четырёхугольника для измерения площади земель
2017-10-01
SCID: 54.1/fqaxstst
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Google MapsUTM (Universal Transverse Mercator)land area measurementquadrilateral approachspherical quadrilateral approach
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Abstract (AI)
In this paper, we present how to determine the land area measurement by using spherical quadrilateral approach method. The proposed method is compared to quadrilateral approach method with the UTM (Universal Transverse Mercator) coordinate system. The spherical quadrilateral approach method delivers in the calculation of the area of DIY and Central Java provinces 3328.2355 km <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> and 34978.488 km <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> , respectively, while the quadrilateral approach method yielded 3613.1760 km <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> and 35207.7300 km <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> . The results obtained by spherical quadrilateral approach method are bigger than the reference areas but less than 10 %.
Key Findings
1
A spherical quadrilateral approach using Google Maps is presented to determine land area measurements.
2
Areas from the spherical quadrilateral method are larger than the reference areas but differ by less than 10%.
3
Quadrilateral (UTM-based) method computed DIY area as 3613.1760 km2 and Central Java as 35207.7300 km2.
4
Spherical quadrilateral method computed DIY province area as 3328.2355 km2 and Central Java as 34978.488 km2.
Research Object
Land area of Indonesian provinces (DIY and Central Java) measured using Google Maps and the spherical quadrilateral approach
Research Subject
Accuracy and comparative performance of the spherical quadrilateral approach (vs. quadrilateral approach with UTM) for calculating provincial land area, including reported area values and percentage deviation from reference
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2017-10-01
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