!! 三角測量
*https://ja.wikipedia.org/wiki/%E4%B8%89%E8%A7%92%E6%B8%AC%E9%87%8F

*https://scrapbox.io/takker/%E4%B8%89%E8%BE%BA%E6%B8%AC%E9%87%8F%E3%81%AE%E8%AA%BF%E6%95%B4%E8%A8%88%E7%AE%97
*https://scrapbox.io/takker/triangulation-calculator
*https://github.com/pokabu55/NandemoPy
*https://gihyo.jp/book/2020/978-4-297-11637-8/support
*https://scrapbox.io/takker/%E4%B8%89%E8%A7%92%E6%B8%AC%E9%87%8F%E3%81%AE%E8%AA%BF%E6%95%B4%E8%A8%88%E7%AE%97
*https://scrapbox.io/takker/%E4%B8%89%E8%A7%92%E6%B8%AC%E9%87%8F%E3%81%AE%E8%AA%BF%E6%95%B4%E8%A8%88%E7%AE%97
*https://sites.google.com/view/senmitsu/%E6%B8%AC%E9%87%8F%E7%B3%BB/

ある基線の両端にある既知の点から測定したい点への角度をそれぞれ測定することによって、その点の位置を決定する

*Tips-sincos

! コード
 #!/bin/env python3.9 
 import math
 ####
 def dms2deg( d, m, s):
    retuen d + m/60+ s/3600
 ####
 def sankaku1( ang1=60 , ang2=60, baseline=1.0 ):
    rad1 = ang1 * math.pi / 180.0
    rad2 = ang2 * math.pi / 180.0
    dist = baseline / (1.0 / math.tan(rad1) + (1.0 / math.tan(rad2) )) 
    return dist
 ####
 def sankaku2( ang1=60 , ang2=60, baseline=1.0 ):
    rad1 = ang1 * math.pi / 180.0
    rad2 = ang2 * math.pi / 180.0
    dist = baseline * math.sin(rad1)*math.sin(rad2) / math.sin(rad1+rad2)
    return dist
 
 if __name__ == '__main__':
    print ( sankaku1(ang1=90.0,ang2=60,baseline=2.0) )
    print ( sankaku2(ang1=90.0,ang2=60,baseline=2.0) )
    print("=="*10 )
    print ( sankaku1(ang1=60.0,ang2=90,baseline=2.0) )
    print ( sankaku2(ang1=60.0,ang2=90,baseline=2.0) )
    print("=="*20 )
    print ( sankaku1(ang1=90.0,ang2=45.0, baseline=2.0) )
    print ( sankaku2(ang1=90.0,ang2=45.0, baseline=2.0) )
    print("=="*20 )
    print ( sankaku1(ang1=90.0,ang2=30,baseline=2.0) )
    print ( sankaku2(ang1=90.0,ang2=30,baseline=2.0) )
    print("=="*10 )
    print ( sankaku1(ang1=30.0,ang2=90,baseline=2.0) )
    print ( sankaku2(ang1=30.0,ang2=90,baseline=2.0) )
----
*https://gijyutsu-keisan.com/mech/analysis/measure/3dmeasure/3dmeasure_1.php
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!! ホモグラフィー変換
*https://daily-tech.hatenablog.com/entry/2019/06/17/041356
*https://mu-777.hatenablog.com/entry/2020/02/02/185012

----
DAEN
*https://qiita.com/Hiroaki-K4/items/e29cc422d7205cf19d05
----
HOSEI
*https://scrapbox.io/takker/%E4%B8%89%E8%A7%92%E6%B8%AC%E9%87%8F%E3%81%AE%E8%AA%BF%E6%95%B4%E8%A8%88%E7%AE%97
四角形の調整
*https://sites.google.com/view/senmitsu/%E6%B8%AC%E9%87%8F%E7%B3%BB/9-3-%E5%9B%9B%E8%A7%92%E5%BD%A2%E3%81%AE%E8%AA%BF%E6%95%B4
 角条件は、四角形の内角が360°であること、四角形が作る三角形の内角の和がそれぞれ180°であることwoRIYOUSITE
三角網の調整
*https://scrapbox.io/takker/%E4%B8%89%E8%A7%92%E6%B8%AC%E9%87%8F%E3%81%AE%E8%AA%BF%E6%95%B4%E8%A8%88%E7%AE%97
*https://sites.google.com/view/senmitsu/%E6%B8%AC%E9%87%8F%E7%B3%BB/9-4-%E4%B8%89%E8%A7%92%E7%B6%B2%E3%81%AE%E8%AA%BF%E6%95%B4
三辺測量
*https://sites.google.com/view/senmitsu/%E6%B8%AC%E9%87%8F%E7%B3%BB/9-5-%E4%B8%89%E8%BE%BA%E6%B8%AC%E9%87%8F
 三辺測量は水平角の観測なしに、辺長を観測するだけで新点の位置を特定できる測量です

GOSA00
*http://www.infra.kochi-tech.ac.jp/takagi/SurveyP/gcp_1.html
*http://www.infra.kochi-tech.ac.jp/takagi/Lecture/SurveyP.html