爱尔兰网格参考系统
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
编辑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
编辑- ^ 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
编辑- 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.