Browsing Straipsniai kituose recenzuojamuose leidiniuose / Articles in other peer-reviewed sources by Source "Geodezija ir kartografija = Geodesy and cartography"
Now showing items 61-80 of 87
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Pasikeitimų fiksavimas kartografuojant miestą stambiuoju masteliu skaitmeniniu principu
(Geodezija ir kartografija = Geodesy and cartography, 1999)Territorial planning, engineering tasks in cities require up- to-date, reliable and precise cartographic information. On the other hand, cities endure changes, expansion. Every city has an archive where information of map ... -
Planimetrinių koordinačių transformavimo tikslumo analizė
(Geodezija ir kartografija = Geodesy and cartography, 1996)In this article is considered the possibility to eliminate a large errors in transformation procedures by employng the additional parameters. For the correction values of coordinate differences of identical points are ... -
Pradinių duomenų klaidų įtaka fototrianguliacijos tinklų parametrų tikslumui
(Geodezija ir kartografija = Geodesy and cartography, 1997)In the article, the influence of initial geodetic point coordinate errors on the accuracy of phototriangulation network parameters is considered. Analysis is made in case when the condition of collinearity for creation of ... -
Pradinių duomenų klaidų įtakos GPS tinkluose analizė
(Geodezija ir kartografija = Geodesy and cartography, 1998)In this article the influence of initial data errors on the results of geodetic network adjustment is analized, whether a general adjustment is accomplished. For this purpose the coordinates of initial zero order stations ... -
Precizinio niveliavimo klaidų kovariacinė analizė
(Geodezija ir kartografija = Geodesy and cartography, 1999)In this article the statistical interdependence between the levelling errors in treatment of measurements gained using the authomated level NA 3003 is discussed. For the analysis, the correlation coefficient existing between ... -
Retųjų matricų formavimas pagal grafų teorijos principus, išlyginant geodezinius tinklus mažiausiųjų kvadratų metodu
(Geodezija ir kartografija = Geodesy and cartography, 1999)The article deals with the use of sparse matrices for adjustment of geodetic networks. Sparse matrices have an advantage (against the full matrices) of not keeping the zero elements of the matrices during calculations. ... -
Ryšys tarp Lietuvos GPS tinklo referencinės sistemos ir esamo trianguliacijos tinklo koordinačių sistemos
(Geodezija ir kartografija = Geodesy and cartography, 1995)Lithuanian GPS network's coordination system is the same as system of EUREF BAL 92 network (ETRS 89). Existing triangulation network is based on the 1942 system of the USSR. Technique for the geoid heights errors elimination ... -
Sąvartynų GIS formavimas
(Geodezija ir kartografija = Geodesy and cartography, 1998)The problem of dumping grounds arrangement has arisen during last few years in Lithuania due to careless activities of people. The article presents an overview of contamination sources inventory methods and describes the ... -
Senų topografinių žemėlapių reljefo naudojimas skaitmeninio topografinio žemėlapio M1:10000 reljefui sudaryti
(Geodezija ir kartografija = Geodesy and cartography, 1998)In this article, an analysis of ways for creating DEM (Digital Elevation Model) for digital topographical maps at scale 1:10,000 is made. We can use stereophotogrammetric method, digitising countour lines from old topographical ... -
Skaitmeninės aerotrianguliacijos tikslumas
(Geodezija ir kartografija = Geodesy and cartography, 1998)Aerotriangulation based on digital imagery was investigated as OEEPE (the European Organization for Experimental Photogrametric Research) test carried out on a large scale aerophotography (1:4000) obtained from Finland. ... -
Skaitmeninio žemėlapio, sudaryto stereofotogrametriniu metodu, tikslumas
(Geodezija ir kartografija = Geodesy and cartography, 1999)The Geodesy Institute of VGTU is working on compiling the basic digital map for Vilnius city GIS by stereophotogrammetric approach according to common Vilnius municipality and Norway project “Geoinformation system of city” ... -
Skaitmeninių ortofotografinių žemėlapių sudarymo tikslumas
(Geodezija ir kartografija = Geodesy and cartography, 1999)Digital orthophoto mapping is a new progressive mapping method employed in some world states since 1993. Technological scheme of digital orthophoto mapping (Fig 1) has been already developed. The digital orthophoto map of ... -
Skirtingų algoritmų taikymo ypatumai linijų generalizavimo procedūrose
(Geodezija ir kartografija = Geodesy and cartography, 1999)The article analyses the differences between some well- known line generalisation algorithms Douglas-Peukher and Lang and compares with other technological solution called by the author “modified Töpfer” algorithm procedures. ... -
Sklypų plotų skaičiavimo pagal lauko matavimo duomenis tikslumas
(Geodezija ir kartografija = Geodesy and cartography, 1996)Carrying out works of the land management and some parcel’s measurements, areas are often calculated directly using data from field measurements (distances, angles). If parcel don’t form correct geometric figure, the parcel ... -
Summary of the results of the correlative analysis of the maps on the recent vertical movements of the Earth's crust in the territory of Lithuania
(Geodezija ir kartografija = Geodesy and cartography, 1995)Lietuvos teritorijos vertikalių Žemės plutos judesių žemėlapių tarpusavio koreliaciniai ryšiai bei jų ryšiai su teritorijos svarbiausius geologinius rodiklius vaizduojančiais žemėlapiais nagrinėti [1], [2], [3], [4], [5], ... -
Tarptautinės fotogrametrijos ir distancinių tyrimų draugijos 18 kongresas Vienoje
(Geodezija ir kartografija = Geodesy and cartography, 1996) -
Tolerancijos įtaka matavimų informacijai
(Geodezija ir kartografija = Geodesy and cartography, 1995)In this article the analysis of a full relative information that can be gained of a random systems with taking into account the influence of tolerances on a quantity of obtained information. The cut - off density distribution ... -
Topografinių duomenų bazių , sukurtų stereofotogrametriniu būdu, taškų altitudžių tikslumas
(Geodezija ir kartografija = Geodesy and cartography, 1999)Vilnius Gediminas Technical University Geodesy Institute has been creating a basic geoinformation topographical database (TDB) of Vilnius city by stereophotogrammetric approach since 1996. The digital city map has been ... -
Turimų planų naudojimas Vilniaus GIS baziniam žemėlapiui sudaryti
(Geodezija ir kartografija = Geodesy and cartography, 1996)The peculiarities of constructing a basic digital map for city GIS using digital data from existing plans at a scale of 1:500 are investigated. Digitisation of geodetic elevation points and buildings for experiment in a ... -
Vertikaliosios refrakcijos eliminavimo metodika nematavus temperatūros gradiento
(Geodezija ir kartografija = Geodesy and cartography, 1999)The question is discussed how to eliminate the influence of vertical refraction from results of levelling when the vertical temperature gradient had been not measured. For this purpose the investigation data gained in ...