서울시 TM 지역좌표계(베쎌타원체)의 세계좌표계(GRS80) 변환식

<div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1RBuo/21865636fc67e6066c2d45bcc3ea77af1fbbe523" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1RBuo/21865636fc67e6066c2d45bcc3ea77af1fbbe523" data-origin-width="885" data-origin-height="812"></div><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1RBuo/e0530ea7421137526b95cf9713f594893364ded3" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1RBuo/e0530ea7421137526b95cf9713f594893364ded3" data-origin-width="784" data-origin-height="151"></div><p>※ 위의 129.000...은 동부 원점으로 오류이고, 127.00078083이 맞음</p><p> </p><p>지리원의 국가삼각점 자료중, 양 좌표계를 모두 가진 47개점의 regression에서 구함.</p><p> </p><p>rmse는 x, y 공히 2cm이므로 충분히 사용가능함.</p><p> </p><p>위의 xg, yg는 유효숫자를 초과한 것이므로, 계산후 결과를 0.01m 단위까지만 구할 것.</p><p> </p><p>자세한 것은 첨부 파일 참조 바람.</p><p> </p><div class="figure-file" data-ke-type="file" data-file-src="https://t1.daumcdn.net/cafeattach/1RBuo/56452bdb3d058db68261ad79812cab32e8c08db0?download" data-file-name="서울국가삼각점공통점230719.xlsx" data-file-size="96862" data-mimetype="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" data-ke-align="alignCenter"><a href='javascript:fileFilterViewer("https://t1.daumcdn.net/cafeattach/1RBuo/56452bdb3d058db68261ad79812cab32e8c08db0?download", "/cafeattach/1RBuo/56452bdb3d058db68261ad79812cab32e8c08db0", "서울국가삼각점공통점230719.xlsx", "grpid%3D1RBuo%26fldid%3DCi7x%26dataid%3D32%26fileid%3D2%26regdt%3D20230719140409&url=https%3A%2F%2Ft1.daumcdn.net%2Fcafeattach%2F1RBuo%2F56452bdb3d058db68261ad79812cab32e8c08db0")'><div class="image"></div><div class="desc"><div class="filename"><span class="name">서울국가삼각점공통점230719</span><span class="type">.xlsx</span></div><div class="size">94.59KB</div></div></a></div>