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Title:Sistem za nalaganje in prikaz vektorskih ploščic : magistrsko delo
Authors:ID Žel, Aljaž (Author)
ID Mongus, Domen (Mentor) More about this mentor... New window
Files:.pdf MAG_Zel_Aljaz_2023.pdf (3,87 MB)
MD5: E41A718796B0D7DE1A90EF5043B46E36
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:V magistrskem delu predstavimo arhitekturo in implementacijo sistema za nalaganje in prikaz vektorskih ploščic. V prvem delu magistrskega dela opišemo lastnosti vektorskih ploščic in njihove podatkovne strukture. Temu sledi podroben opis implementacije zasnovane arhitekture ter njene integracije v programsko orodje za obdelavo geoprostorskih podatkov. Funkcionalno validacijo sistema izvedemo nad testno množico, ki jo sestavljajo štirje strukturno različni podatkovne vire. Pri tem opravimo statistično analizo podatkov, prikažemo primere upodobitev zemljevidov ter analiziramo vpliv uporabe implementiranih optimizacij. Z meritvami smo pokazali, da s predstavljeno arhitekturo dosežemo 36,2% povprečno pohitritev nalaganja ploščic v primerjavi z danes uveljavljenimi tehnologijami. Na samo hitrost nalaganja vektorskih ploščic pa najbolj vpliva njihovo predpomnenje ter zmanjšanje števila zaklepanj pomnilnika v času večnitnega izvajanja.
Keywords:vektorske ploščice, geoprostorski podatki, optimizacije, programska knjižnica
Place of publishing:Maribor
Place of performance:Maribor
Publisher:[A. Žel]
Year of publishing:2023
Number of pages:1 spletni vir (1 datoteka PDF (IX, 41 f.))
PID:20.500.12556/DKUM-85201 New window
UDC:004.272.25:514.15(043.2)
COBISS.SI-ID:172257283 New window
Publication date in DKUM:05.10.2023
Views:573
Downloads:85
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FERI
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Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:22.08.2023

Secondary language

Language:English
Title:A system for loading and displaying vector tiles
Abstract:In the master's thesis, we present new architecture and implementation of a system for loading and displaying vector tiles. In the first part of the master's thesis, we describe the characteristics of vector tiles and their data structure. This is followed by a detailed description of the implementation of the designed architecture and its integration into a software tool for processing geospatial data. We perform a functional validation of the system over a test set consisting of four data sources. We perform a statistical analysis of the data, show examples of map renderings and analyze the impact of using implemented optimizations. As confirmed by the results, the average speedup of loading tiles is equal to 36.2 % in comparison to the existing state-of-the-art. The most influential factors of the loading speed of vector tiles are their caching tiles and reducing the number of memory locks during multithreaded execution.
Keywords:vector tiles, geospatial data, optimizations, software library


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