{"id":808,"date":"2024-07-05T14:24:41","date_gmt":"2024-07-05T08:54:41","guid":{"rendered":"https:\/\/study.madeeasy.in\/?p=808"},"modified":"2025-07-16T14:59:21","modified_gmt":"2025-07-16T09:29:21","slug":"ground-co-ordinates","status":"publish","type":"post","link":"https:\/\/www.madeeasy.in\/study\/ce\/surveying\/ground-co-ordinates","title":{"rendered":"GROUND CO-ORDINATES"},"content":{"rendered":"<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-492 aligncenter\" src=\"https:\/\/study.madeeasy.in\/wp-content\/uploads\/2024\/07\/ground-co-ordiantes.jpg\" alt=\"Ground Co-ordinates\" width=\"435\" height=\"328\" \/><\/p>\r\n<ul style=\"text-align: justify;\">\r\n<li>These co-ordinates are measured with respect to x-axis and y-axis. The origin of these axes is at the datum principal point <em>P <\/em>with lies on datum plane exactly beneath the exposure station.<\/li>\r\n<li>Let the photo co-ordinates measured w.r.t x-axis and <em>y<\/em>-axis on the photograph are <em>x<\/em><em>a <\/em>and <em>y<\/em><em>a <\/em>and its ground co-ordinates are <em>X<\/em><em>A <\/em>and <em>Y<\/em><em>A <\/em>respectively.<\/li>\r\n<li>Let H be the flying height and elevation of point A is \u2018<em>h<\/em>\u2019 above the datum.<\/li>\r\n<li>The ground co-ordinates and photo co-ordinates of point O can be related as below:<\/li>\r\n<\/ul>\r\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-494 aligncenter\" src=\"https:\/\/study.madeeasy.in\/wp-content\/uploads\/2024\/07\/datum.jpg\" alt=\"Datum\" width=\"685\" height=\"569\" \/><\/p>\r\n<p style=\"text-align: justify;\"><\/p>\r\n<p style=\"text-align: center;\"><a class=\"btn btn-danger\" role=\"button\" href=\"https:\/\/study.madeeasy.in\/ce\/surveying\/aerial-photograph\/\" target=\"_blank\" rel=\"noopener\">&lt;&lt; Previous<\/a> | <a class=\"btn btn-success\" role=\"button\" href=\"https:\/\/study.madeeasy.in\/ce\/surveying\/relief-displacement\/\" target=\"_blank\" rel=\"noopener\"> Next &gt;&gt;<\/a> <br \/><strong> Must Read: <\/strong> <a href=\"https:\/\/study.madeeasy.in\/subjects\/what-is-surveying\/\" target=\"_blank\" rel=\"noopener\"><strong>What is Surveying?<\/strong><\/a><\/p>\r\n<p style=\"text-align: justify;\"><br \/><\/p>","protected":false},"excerpt":{"rendered":"<p>These co-ordinates are measured with respect to x-axis and y-axis. The origin of these axes is at the datum principal<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[203,2],"tags":[280,281,282],"class_list":["post-808","post","type-post","status-publish","format-standard","hentry","category-surveying","category-ce","tag-datum-principal","tag-x-axis","tag-y-axis"],"_links":{"self":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/posts\/808","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/comments?post=808"}],"version-history":[{"count":0,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/posts\/808\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/media?parent=808"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/categories?post=808"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/tags?post=808"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}