爱尔兰网格参考系统
| 大地测量学 |
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爱尔兰网格参考系统（英語：Irish grid reference system）是用于爱尔兰岛（北爱尔兰和爱尔兰共和国）纸质制图的地理网格参考系统[1]。
网格字母
爱尔兰领土被划分为25个方格，每个方格面积为100×100千米，用一个字母编号表记。方格编号为A至Z，省略I。其中有7个方格实际上没有覆盖爱尔兰的任何土地：A、E、K、P、U、Y和Z。
参考文献
- ^ How to Use Map Scales and Grids （页面存档备份，存于互联网档案馆） OSI
- Leahy, Derek. Irish Grid Reference System. Ordnance Survey Ireland : 185 years of innovation in mapping. Dublin: Ordnance Survey Ireland. September 26, 2008 [14 August 2009]. （原始内容存档于September 11, 2009）.
外部链接
- The Irish Grid - A Description of the Co-ordinate Reference System used in Ireland （页面存档备份，存于互联网档案馆） PDF (358kB) on the Irish Grid from OSi.
- PDF (221KB) detailing GPS to Irish Grid conversions （页面存档备份，存于互联网档案馆）
- A detailed (42-page) PDF file including history and map of the Irish grid and its links to Britain
- A two-page article for the American Society for Photogrammetry and Remote Sensing summarising the above.
- History and overview of the system, from OSI
- OSI online coordinate converter tool （页面存档备份，存于互联网档案馆）
- Clickable webmap that shows Irish grid references （页面存档备份，存于互联网档案馆）
- LatLong <> OSi Grid Ref （页面存档备份，存于互联网档案馆） converts & presents in many formats, generates specific links to that location for several useful map web pages - 1840 - present. LatLong WSG84 <> GB, Ireland (inc NI) and Chanel Islands (30U) GR formats recognised. Distance measure for dog-leg routes & area calculations.