{"id":1174,"date":"2021-02-03T14:16:23","date_gmt":"2021-02-03T13:16:23","guid":{"rendered":"http:\/\/ocad.com\/blog\/?p=1174"},"modified":"2021-02-03T14:21:02","modified_gmt":"2021-02-03T13:21:02","slug":"create-cleaner-contours","status":"publish","type":"post","link":"https:\/\/ocad.com\/blog\/2021\/02\/create-cleaner-contours\/","title":{"rendered":"Create Cleaner Contours"},"content":{"rendered":"\n<p>One of the strengths of OCAD is the generation of smoothed contour lines.<\/p>\n\n\n\n<p>With the latest <a rel=\"noreferrer noopener\" href=\"https:\/\/www.ocad.com\/wiki\/ocad\/en\/index.php?title=Service_Update\" target=\"_blank\">Service Update<\/a>, a <strong>combined method of TPI and 3D smoothing<\/strong> is used for the calculation, which leads to improved results. The file size also shrinks, because at the same time irrelevant contour vertices are removed and the contours are converted into B\u00e9zier curves.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/ocad.com\/blog\/wp-content\/uploads\/2021\/02\/3DGlattung.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"530\" src=\"https:\/\/ocad.com\/blog\/wp-content\/uploads\/2021\/02\/3DGlattung-1024x530.png\" alt=\"\" class=\"wp-image-1175\" srcset=\"https:\/\/ocad.com\/blog\/wp-content\/uploads\/2021\/02\/3DGlattung-1024x530.png 1024w, https:\/\/ocad.com\/blog\/wp-content\/uploads\/2021\/02\/3DGlattung-300x155.png 300w, https:\/\/ocad.com\/blog\/wp-content\/uploads\/2021\/02\/3DGlattung-768x397.png 768w, https:\/\/ocad.com\/blog\/wp-content\/uploads\/2021\/02\/3DGlattung-624x323.png 624w, https:\/\/ocad.com\/blog\/wp-content\/uploads\/2021\/02\/3DGlattung.png 1160w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>In our example, the not smoothed contours appear brown. The smoothed contours according to the new method (blue) are cleaner and show the terrain more precisely than according to the old smoothing method (green).<\/p>\n\n\n\n<p>How contour lines can be generated is described in detail in our <a rel=\"noreferrer noopener\" href=\"https:\/\/www.ocad.com\/wiki\/ocad\/en\/index.php?title=DEM_Import_Wizard#Create_Contour_Lines\" target=\"_blank\">Wiki<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>One of the strengths of OCAD is the generation of smoothed contour lines. With the latest Service Update, a combined method of TPI and 3D smoothing is used for the calculation, which leads to improved results. The file size also shrinks, because at the same time irrelevant contour vertices are removed and the contours are [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,35,46,1],"tags":[49,9,10],"class_list":["post-1174","post","type-post","status-publish","format-standard","hentry","category-ocad-11","category-ocad-12","category-ocad-2018","category-uncategorized","tag-dem-wizard","tag-orienteering-map-making","tag-professional-map-making"],"_links":{"self":[{"href":"https:\/\/ocad.com\/blog\/wp-json\/wp\/v2\/posts\/1174","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ocad.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ocad.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ocad.com\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/ocad.com\/blog\/wp-json\/wp\/v2\/comments?post=1174"}],"version-history":[{"count":2,"href":"https:\/\/ocad.com\/blog\/wp-json\/wp\/v2\/posts\/1174\/revisions"}],"predecessor-version":[{"id":1177,"href":"https:\/\/ocad.com\/blog\/wp-json\/wp\/v2\/posts\/1174\/revisions\/1177"}],"wp:attachment":[{"href":"https:\/\/ocad.com\/blog\/wp-json\/wp\/v2\/media?parent=1174"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ocad.com\/blog\/wp-json\/wp\/v2\/categories?post=1174"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ocad.com\/blog\/wp-json\/wp\/v2\/tags?post=1174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}