{"id":161,"date":"2023-04-01T17:50:40","date_gmt":"2023-04-01T17:50:40","guid":{"rendered":"https:\/\/oomap.dna-software.co.uk\/help\/?p=161"},"modified":"2023-04-01T17:50:40","modified_gmt":"2023-04-01T17:50:40","slug":"and-increased-lidar-coverage-for-wales-too","status":"publish","type":"post","link":"https:\/\/oomap.dna-software.co.uk\/help\/and-increased-lidar-coverage-for-wales-too\/","title":{"rendered":"&#8230;and increased LIDAR coverage for Wales too"},"content":{"rendered":"\n<p>Hot on the heels of England&#8217;s LIDAR update, the Welsh Government have <a href=\"https:\/\/datamap.gov.wales\/maps\/lidar-viewer\/\">released <\/a>their data from LIDAR surveys in 2020 &#8211; 2022.  This dataset has a few gaps, in particular some coastal regions, but these were almost entirely covered in their older data.  As a result, the combination of old and new LIDAR data gives nearly (but not quite!) complete coverage across Wales.<\/p>\n\n\n\n<p>This data was surprisingly quick and easy to download as a resampled, 10m x 10m terrain model &#8211; a single command in Linux:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><code>gdal_translate --debug on \/vsicurl\/https:\/\/dmwproductionblob.blob.core.windows.net\/cogs\/wales_lidar_dtm_1m_32bit_cog.tif wales_10m.tif -outsize 10% 10%<\/code><\/code><\/pre>\n\n\n\n<p>This is the terrain model from which the contours were derived:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"589\" height=\"813\" src=\"https:\/\/oomap.dna-software.co.uk\/help\/wp-content\/uploads\/2023\/04\/wales_dtm.png\" alt=\"\" class=\"wp-image-162\" srcset=\"https:\/\/oomap.dna-software.co.uk\/help\/wp-content\/uploads\/2023\/04\/wales_dtm.png 589w, https:\/\/oomap.dna-software.co.uk\/help\/wp-content\/uploads\/2023\/04\/wales_dtm-217x300.png 217w\" sizes=\"auto, (max-width: 589px) 100vw, 589px\" \/><figcaption class=\"wp-element-caption\">Welsh terrain model from LIDAR.  Contains public sector information licensed under the Open Government Licence v3.0.<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Hot on the heels of England&#8217;s LIDAR update, the Welsh Government have released their data from LIDAR surveys in 2020 &#8211; 2022. This dataset has a few gaps, in particular some coastal regions, but these were almost entirely covered in their older data. As a result, the combination of old and new LIDAR data gives [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":163,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-161","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/oomap.dna-software.co.uk\/help\/wp-json\/wp\/v2\/posts\/161","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oomap.dna-software.co.uk\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/oomap.dna-software.co.uk\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/oomap.dna-software.co.uk\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/oomap.dna-software.co.uk\/help\/wp-json\/wp\/v2\/comments?post=161"}],"version-history":[{"count":1,"href":"https:\/\/oomap.dna-software.co.uk\/help\/wp-json\/wp\/v2\/posts\/161\/revisions"}],"predecessor-version":[{"id":164,"href":"https:\/\/oomap.dna-software.co.uk\/help\/wp-json\/wp\/v2\/posts\/161\/revisions\/164"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oomap.dna-software.co.uk\/help\/wp-json\/wp\/v2\/media\/163"}],"wp:attachment":[{"href":"https:\/\/oomap.dna-software.co.uk\/help\/wp-json\/wp\/v2\/media?parent=161"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/oomap.dna-software.co.uk\/help\/wp-json\/wp\/v2\/categories?post=161"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/oomap.dna-software.co.uk\/help\/wp-json\/wp\/v2\/tags?post=161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}