{"id":5490,"date":"2025-04-09T14:26:41","date_gmt":"2025-04-09T11:26:41","guid":{"rendered":"https:\/\/solidcomp.com\/terms\/digital-terrain-model-dtm\/"},"modified":"2026-03-11T19:13:25","modified_gmt":"2026-03-11T17:13:25","slug":"maastomalli","status":"publish","type":"terms","link":"https:\/\/solidcomp.com\/fi\/termit\/maastomalli\/","title":{"rendered":"Digitaalinen maastomalli"},"content":{"rendered":"\n

Digital Terrain Model (DTM), eli digitaalinen maastomalli, on kolmiulotteinen digitaalinen esitys maanpinnan korkeussuhteista, josta on poistettu rakennukset, kasvillisuus ja muut maanp\u00e4\u00e4lliset kohteet. DTM kuvaa maaston korkeuksia ja muotoja pisteaineistona tai ep\u00e4s\u00e4\u00e4nn\u00f6llisin\u00e4 kolmioverkkoina (TIN).<\/p>\n\n\n\n

Maastomallit tuotetaan tyypillisesti kaukokartoitusmenetelmill\u00e4, kuten LiDAR-laserskannauksella, ilmakuvauksella tai satelliittipohjaisilla tutkaj\u00e4rjestelmill\u00e4. Raaka-aineisto k\u00e4sitell\u00e4\u00e4n poistamalla ei-toivotut kohteet (rakenteet, puusto) ja interpoloimalla tasainen maastopinta.<\/p>\n\n\n\n

Digitaaliset maastomallit tarjoavat tarkkaa tietoa maaston muodoista, kallistuksista ja veden virtaussuunnista. Ne eroavat digitaalista pintamalleista (DSM), jotka sis\u00e4lt\u00e4v\u00e4t my\u00f6s maanp\u00e4\u00e4lliset rakenteet. DTM:t ovat erityisen hy\u00f6dyllisi\u00e4 geologisissa tutkimuksissa ja insin\u00f6\u00f6risuunnittelussa.<\/p>\n\n\n\n

DTM:t\u00e4 k\u00e4ytet\u00e4\u00e4n mm. kaupunkisuunnittelussa, tulvariskien arvioinnissa, ymp\u00e4rist\u00f6n mallinnuksessa, infrastruktuurihankkeissa ja maamassalaskennoissa. Niiden tarkkuus mahdollistaa realistiset simulaatiot, poikkileikkausanalyysit ja saumattoman integraation BIM- ja GIS-j\u00e4rjestelmiin.<\/p>\n\n\n\n

Katso my\u00f6s: Maalaserkeilain<\/a><\/em><\/p>\n","protected":false},"featured_media":0,"template":"","terms-category":[58],"class_list":["post-5490","terms","type-terms","status-publish","hentry","terms-category-3d-mallinnus-ja-visualisointi"],"acf":[],"yoast_head":"\nDigitaalinen maastomalli | SolidComp | Sanasto<\/title>\n<meta name=\"description\" content=\"Maastomalli on digitaalinen kolmiulotteinen esitys maanpinnan muodoista, joka sis\u00e4lt\u00e4\u00e4 korkeus- ja topografiatiedot.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/solidcomp.com\/fi\/termit\/maastomalli\/\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Digitaalinen maastomalli | SolidComp | Sanasto\" \/>\n<meta property=\"og:description\" content=\"Maastomalli on digitaalinen kolmiulotteinen esitys 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