{"id":345,"date":"2020-11-22T00:00:00","date_gmt":"2020-11-21T23:00:00","guid":{"rendered":"http:\/\/spacescripting.com\/?p=345"},"modified":"2022-01-07T17:04:59","modified_gmt":"2022-01-07T16:04:59","slug":"topography","status":"publish","type":"post","link":"https:\/\/spacescripting.com\/tool\/topography\/","title":{"rendered":"topography"},"content":{"rendered":"\n<figure class=\"wp-block-gallery alignfull columns-1 is-cropped\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" width=\"610\" height=\"150\" src=\"https:\/\/spacescripting.com\/wp-content\/uploads\/2021\/02\/topography_isocurves-plan-xs-1.svg\" alt=\"\" data-id=\"750\" data-full-url=\"https:\/\/spacescripting.com\/wp-content\/uploads\/2021\/02\/topography_isocurves-plan-xs-1.svg\" data-link=\"https:\/\/spacescripting.com\/tools\/topography_isocurves-plan-xs-1\/\" class=\"wp-image-750\"\/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>Creating a 3D terrain model based on GIS and Lidar scanning data. The script uses coordinates of the given area, level of data accuracy and model complexity to build a 3D topography model and set of isocurves.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link\" href=\"https:\/\/app.spacescripting.com\/#\/\" target=\"_blank\" rel=\"noreferrer noopener\">create terrain model<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h5 style=\"line-height:0\">Inputs<\/h5>\n\n\n\n<p>_region coordinates<br>_data accuracy<br>_model complexity<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h5 style=\"line-height:0\">Outputs<\/h5>\n\n\n\n<p>_grid of 3d points [.csv]<br>_topography model [.3dm]<br>_original and smoothed isocurves [.3dm, .dwg]<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h5 style=\"line-height:0\">Algorithm<\/h5>\n\n\n\n<ol><li>choose area&#8217;s coordinates [e. g . in PUWG 1992 or CH1903\/LV03]<\/li><li>create a grid of points between area&#8217;s coordinates [for given grid size, e. g. 1m x 1m]<\/li><li>build mesh based on points and smooth [with maximum acceptable displacement per point]<\/li><li>draw isocurves [in chosen density, e. g. 0.1m]<\/li><\/ol>\n\n\n\n<div class=\"wp-block-jetpack-slideshow alignwide\" data-effect=\"fade\"><div class=\"wp-block-jetpack-slideshow_container swiper-container\"><ul class=\"wp-block-jetpack-slideshow_swiper-wrapper swiper-wrapper\"><li class=\"wp-block-jetpack-slideshow_slide swiper-slide\"><figure><img loading=\"lazy\" width=\"610\" height=\"610\" alt=\"\" class=\"wp-block-jetpack-slideshow_image wp-image-789\" data-id=\"789\" src=\"http:\/\/spacescripting.com\/wp-content\/uploads\/2021\/02\/topography_photo-plan.png\" srcset=\"https:\/\/spacescripting.com\/wp-content\/uploads\/2021\/02\/topography_photo-plan.png 610w, https:\/\/spacescripting.com\/wp-content\/uploads\/2021\/02\/topography_photo-plan-300x300.png 300w, https:\/\/spacescripting.com\/wp-content\/uploads\/2021\/02\/topography_photo-plan-150x150.png 150w\" sizes=\"(max-width: 610px) 100vw, 610px\" \/><\/figure><\/li><li class=\"wp-block-jetpack-slideshow_slide swiper-slide\"><figure><img loading=\"lazy\" width=\"610\" height=\"610\" alt=\"\" class=\"wp-block-jetpack-slideshow_image wp-image-807\" data-id=\"807\" src=\"http:\/\/spacescripting.com\/wp-content\/uploads\/2021\/02\/topography_points-plan-2.png\" srcset=\"https:\/\/spacescripting.com\/wp-content\/uploads\/2021\/02\/topography_points-plan-2.png 610w, https:\/\/spacescripting.com\/wp-content\/uploads\/2021\/02\/topography_points-plan-2-300x300.png 300w, https:\/\/spacescripting.com\/wp-content\/uploads\/2021\/02\/topography_points-plan-2-150x150.png 150w\" sizes=\"(max-width: 610px) 100vw, 610px\" \/><\/figure><\/li><li class=\"wp-block-jetpack-slideshow_slide swiper-slide\"><figure><img loading=\"lazy\" width=\"610\" height=\"610\" alt=\"\" class=\"wp-block-jetpack-slideshow_image wp-image-801\" data-id=\"801\" src=\"http:\/\/spacescripting.com\/wp-content\/uploads\/2021\/02\/topography_mesh-plan.png\" srcset=\"https:\/\/spacescripting.com\/wp-content\/uploads\/2021\/02\/topography_mesh-plan.png 610w, https:\/\/spacescripting.com\/wp-content\/uploads\/2021\/02\/topography_mesh-plan-300x300.png 300w, https:\/\/spacescripting.com\/wp-content\/uploads\/2021\/02\/topography_mesh-plan-150x150.png 150w\" sizes=\"(max-width: 610px) 100vw, 610px\" \/><\/figure><\/li><li class=\"wp-block-jetpack-slideshow_slide swiper-slide\"><figure><img loading=\"lazy\" width=\"610\" height=\"610\" alt=\"\" class=\"wp-block-jetpack-slideshow_image wp-image-804\" data-id=\"804\" src=\"http:\/\/spacescripting.com\/wp-content\/uploads\/2021\/02\/topography_isocurves-plan.png\" srcset=\"https:\/\/spacescripting.com\/wp-content\/uploads\/2021\/02\/topography_isocurves-plan.png 610w, https:\/\/spacescripting.com\/wp-content\/uploads\/2021\/02\/topography_isocurves-plan-300x300.png 300w, https:\/\/spacescripting.com\/wp-content\/uploads\/2021\/02\/topography_isocurves-plan-150x150.png 150w\" sizes=\"(max-width: 610px) 100vw, 610px\" \/><\/figure><\/li><\/ul><a class=\"wp-block-jetpack-slideshow_button-prev swiper-button-prev swiper-button-white\" role=\"button\"><\/a><a class=\"wp-block-jetpack-slideshow_button-next swiper-button-next swiper-button-white\" role=\"button\"><\/a><a aria-label=\"Pause Slideshow\" class=\"wp-block-jetpack-slideshow_button-pause\" role=\"button\"><\/a><div class=\"wp-block-jetpack-slideshow_pagination swiper-pagination swiper-pagination-white\"><\/div><\/div><\/div>\n\n\n\n<p>[GIS data source &#8211; <a rel=\"noreferrer noopener\" href=\"https:\/\/www.geo.admin.ch\/\" target=\"_blank\">the federal geoportal<\/a>]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Creating a 3D terrain model based on GIS and Lidar scanning data. The script uses coordinates of the given area, level of data accuracy and model complexity to build a 3D topography model and set of isocurves. <\/p>\n<p>#3d model, #terrain model, #topography, #lidar data<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"gallery","meta":{"inline_featured_image":false,"spay_email":""},"categories":[8],"tags":[13,16,14],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/spacescripting.com\/wp-json\/wp\/v2\/posts\/345"}],"collection":[{"href":"https:\/\/spacescripting.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spacescripting.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spacescripting.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/spacescripting.com\/wp-json\/wp\/v2\/comments?post=345"}],"version-history":[{"count":13,"href":"https:\/\/spacescripting.com\/wp-json\/wp\/v2\/posts\/345\/revisions"}],"predecessor-version":[{"id":1143,"href":"https:\/\/spacescripting.com\/wp-json\/wp\/v2\/posts\/345\/revisions\/1143"}],"wp:attachment":[{"href":"https:\/\/spacescripting.com\/wp-json\/wp\/v2\/media?parent=345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spacescripting.com\/wp-json\/wp\/v2\/categories?post=345"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spacescripting.com\/wp-json\/wp\/v2\/tags?post=345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}