<html><head><meta http-equiv="Content-Type" content="text/html charset=big5"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">各位好,</div><div class=""><br class=""></div><div class="">飲水地圖專案收到一批自稱為「開放資料」的資料,</div><div class="">但因為無法確定其大地基準是哪個、</div><div class="">座標中的「分」與「秒」為何超過60,</div><div class="">更無法確認其分帶方式(如果有的話...),</div><div class="">所以從中抽出三筆來討論:</div><div class=""><br class=""></div><div class="">N 24°979'980” </div><div class="">E 121°950'813” </div><div class=""><br class=""></div><div class="">N 25°17'3903" </div><div class="">E 121°32'0500" </div><div class=""><br class=""></div><div class="">N 24°91'001” </div><div class="">E 120°97'097” </div><div class=""><br class=""></div><div class="">懇請有空的專業人士能夠解答這是哪種 EPSG ,</div><div class="">或是用了哪種大地基準、什麼樣的進位法?</div><div class=""><br class=""></div><div class="">Happy mapping! ^_^</div><div class=""><br class=""></div><div class="">(相關的討論見 Trello Task)</div><div class=""><a href="https://trello.com/c/17IYP1gC/132--" class="">https://trello.com/c/17IYP1gC/132--</a></div><div class=""><br class=""></div><div class="">黃裕翔</div></body></html>