{"id":773,"date":"2023-01-29T16:27:22","date_gmt":"2023-01-29T15:27:22","guid":{"rendered":"https:\/\/sigeo.cerege.fr\/?p=773"},"modified":"2023-01-29T16:28:09","modified_gmt":"2023-01-29T15:28:09","slug":"ellipsoidal-to-orthometric-altitudes-for-geoid-model","status":"publish","type":"post","link":"https:\/\/sigeo.cerege.fr\/?p=773","title":{"rendered":"Ellipsoidal to orthometric altitudes for geoid model"},"content":{"rendered":"\n<p>The geoid models have sometimes a hard to decode format, such as IGN .mnt files <a href=\"https:\/\/geodesie.ign.fr\/index.php?page=grilles\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/geodesie.ign.fr\/index.php?page=grilles<\/a><\/p>\n\n\n\n<p>For now, I&#8217;ve just found third parties software that can do the format conversion, even if this could be doable with a bash or python script. <\/p>\n\n\n\n<p>Such files can be converted to ASCII XYZ format with the demo version of Hydromagic, an hydrographic surveying software. Here is how to do :<\/p>\n\n\n\n<p><a href=\"https:\/\/www.eye4software.com\/hydromagic\/documentation\/manual\/utilities\/geoid-file-conversion\/\">https:\/\/www.eye4software.com\/hydromagic\/documentation\/manual\/utilities\/geoid-file-conversion\/<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The geoid models have sometimes a hard to decode format, such as IGN .mnt files https:\/\/geodesie.ign.fr\/index.php?page=grilles For now, I&#8217;ve just found third parties software that can do the format conversion, even if this could be doable with a bash or python script. Such files can be converted to ASCII XYZ format with the demo version &hellip; <a href=\"https:\/\/sigeo.cerege.fr\/?p=773\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Ellipsoidal to orthometric altitudes for geoid model&#8221;<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18,7,1],"tags":[],"class_list":["post-773","post","type-post","status-publish","format-standard","hentry","category-donnees-spatiales","category-geo-traitements","category-sigeo"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/sigeo.cerege.fr\/index.php?rest_route=\/wp\/v2\/posts\/773","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sigeo.cerege.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sigeo.cerege.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sigeo.cerege.fr\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/sigeo.cerege.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=773"}],"version-history":[{"count":2,"href":"https:\/\/sigeo.cerege.fr\/index.php?rest_route=\/wp\/v2\/posts\/773\/revisions"}],"predecessor-version":[{"id":775,"href":"https:\/\/sigeo.cerege.fr\/index.php?rest_route=\/wp\/v2\/posts\/773\/revisions\/775"}],"wp:attachment":[{"href":"https:\/\/sigeo.cerege.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=773"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sigeo.cerege.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=773"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sigeo.cerege.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=773"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}