On the accuracy of the GIS mapping base of Vlora

Micro, Macro & Mezzo Geoinformation

Adelajda HALILI¹  Pal NIKOLLI² 

[1] Universiteti Politeknik i Tiranës, Fakulteti i Gjeologjisë dhe Minierave, Departamenti i GjeoInformatikës, Tiranë, ;Universiteti Tiranës,Fakulteti IHistorisë dhe i Filologjisë, Departamenti i Gjeografisë;

关键词: mapping;    gis;    errors;    qualitative attributes;    accuracy;    test;    topology;    accurate assessment;   

DOI  :  

来源: DOAJ

【 摘 要 】

Maps in general, and those topographic in specific, serve as GIS data source, and are also its products. The maps, as tools destined to collect information with a certain purpose, should be trustworthy, not only for their thematic information, but also for their geometric accuracy with which each geographic object is identified. Despite the care and the methods chosen, these maps contain several errors that influence the accuracy of the GIS database. These errors are multiplied due to data entry errors: during scanning, Geo-referencing, digitization etc. so, because of the conceptual and technical limitations, the geographic positioning attributes, described within spatial data contain errors and uncertainty. This article develops the theoretical concepts on the accuracy of GIS database, and especially the mapping base of GIS, and assesses the geometric accuracy of the topographic map of Vlora at the scale of 1:50000, published by the Military Geographic Institute of the Albanian Ministry of Defense in cooperation with the US and NATO Defense Departments.

【 授权许可】

Unknown