Feby Indri Astuti, 3211417086 (2022) PEMANFAATAN UAV FIXED WING UNTUK PEMETAAN ORTHOFOTO DAN DTM (DIGITAL TERRAIN MODEL) DESA GUNUNGPAYUNG, KECAMATAN CANDIROTO, KABUPATEN TEMANGGUNG. Under Graduates thesis, Universitas Negeri Semarang.

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Abstract

Rural area planning in Indonesia requires planning that is supported by detailed, accurate, reliable and accountable spatial data and information. The complexity of Gunungpayung Village in its physical, social and strategic position of the village area has become the basis for researchers to conduct further research on the use of aerial photography to map detailed conditions that are useful in developing Gunungpayung Village. The resulting orthofoto and DTM map can be the basis of reference for the village government in planning the appropriate BTS tower plotting to reach the entire village area in order to overcome the problems currently being faced, namely the isolated village condition due to lack of access to telecommunication signals in Gunungpayung Village. The objectives of this study are 1.To know the accuracy of the results of orthophoto to the ICP point from shooting data with the Fixed Wing UAV vehicle in Gunungpayung Village, Candiroto District, Temanggung Regency. The population in this study is the entire land area of 232 Ha or 2.32 Km2. The samples in this study were 19 GCP points that were evenly distributed and 23 ICP points in the Gunungpayung Village area as a reference in the accuracy check process. The data collection technique used for the first purpose related to the orthophoto accuracy test process is to prepare the main data from field work, namely orthophoto data and coordinates of GCP (Ground Control Point) and ICP measurement results, as well as formulas in accordance with the provisions of the Head of BIG Regulation Number 15 In 2014. The data collection technique used for the second purpose related to the DTM height test process is the compiled DTM and the height point of the field results in the form of vertical ICP. The results of the orthophoto accuracy test showed that the horizontal RMSE obtained was 0.033 and the CE90 value or measure of the horizontal geometric accuracy obtained was 0.050. on the results of the DTM height test above, it can be seen that the vertical RMSE obtained is 0.032 and the LE90 value or measure of vertical geometric accuracy is obtained is 0.053. From the results of the CE90 value or measure of horizontal geometric accuracy, it can be seen that the resulting photo scale is 1:5,000 and is in class 1. From the results of the LE90 value or a measure of vertical geometric accuracy, it can be seen that the resulting photo scale is 1:5,000 and is in class 1.

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