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Kaj pa topografija? Stanje in kakovost topografskih podatkov v Sloveniji
Vidmar, Kaja (Author), Marolt, Matija (Mentor) More about this mentor... This link opens in a new window, Petrovič, Dušan (Author), Podobnikar, Tomaž (Author), Grigillo, Dejan (Author), Kozmus Trajkovski, Klemen (Author), Vrečko, Anja (Author), Urbančič, Tilen (Author), Kosmatin Fras, Mojca (Author)

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Abstract
Topografski podatki, kot pomemben del Nacionalne prostorske podatkovne infrastrukture, so bili v letih po osamosvojitvi Slovenije deležni velike pozornosti, postali so splošno dostopni, bili so dopolnjeni in medsebojno usklajeni. V zadnjem desetletju pa se je vlaganje v topografske podatke v Sloveniji zelo omejilo, zato danes nikakor več ne moremo biti zadovoljni z njihovim stanjem. V prispevku pregledno predstavljamo stanje topografskih podatkov v Sloveniji, analiziramo njihovo kakovost in ustreznost za potencialne in dejanske uporabnike. Posvetimo se izvornim posnetkom stanja, kot je sistemsko ciklično aerosnemanje (CAS), in iz njega izvedenemu proizvodu, ortofotu. Kakovost ortofota je precej odvisna od kakovosti modela reliefa. Topografski podatki so vodeni posamično v sklopu posameznih vsebinskih baz (REZI, ZK GJI, grafični del katastra stavb) ter združeno v topografskih bazah in kartah različnih ravni podrobnosti (DTK 5, DTK 25, DTK 50, sistem DPK). Analizirano stanje primerjamo s stanjem v nekaterih sosednjih ali primerljivih državah.

Language:Unknown
Keywords:topographic data, orthophotos, terrain model, topographic maps, topographical system of Slovenia
Work type:Not categorized (r6)
Organization:FGG - Faculty of Civil and Geodetic Engineering
Year:2011
Publisher:Zveza geodetov Slovenije
Number of pages:304-318
Numbering:55
ISSN:0351-0271
Views:1129
Downloads:521
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Secondary language

Language:Unknown
Title:What about topography? Status and quality of topographic data in Slovenia
Abstract:
Topographic data, an important part of the National Spatial Data Infrastructure, have been given serious attention since Slovenia's independence. It has become publicly available, updated and harmonised. Financing of topographic data in Slovenia has significantly decreased over the previous decade. As a result, the present status is far from acceptable or expected. The current status of the topographic data, as well as its quality and usability for potential users is discussed in this article. The overview starts with basic source data, aerial surveys, photographs and orthophotos. The quality of orthophotos largely depends on the DTM quality. Topographic data is nowadays organised in thematic datasets (geographical names, building cadastre, etc.) or joined in datasets of different levels of accuracy and details. The status in Slovenia is compared to those in some neighbouring and other comparable countries.

Keywords:topografski podatki, ortofoto, model reliefa, topografske karte, topografski sistem Slovenije

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