Results 11 to 20 of about 724 (162)
Systémy GIS první generace ukládaly svá data do souborů v proprietárních formátech. Další generace těchto systémů dokázaly spolupracovat s databázemi (zejména čerpat data s databází). Soudobé GIS systémy se již zcela spoléhají na databáze. Tyto požadavky
Pavel Stěhule
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WORKFLOW AUTOMATION WITH POSTGIS TOPOLOGY
Traditionally, a process of changing district borders can be a long and cumbersome process involving several layers of political decision-making. By using PostGIS topology and database triggers the workflow can be optimised and the setup automated ...
Anders Møller Jacobsen
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Web client for PostGIS—the concept and implementation
PostgreSQL with PostGIS extension plays one of the major roles in many complex GIS frameworks. There exist many possibilities how to access such data storage, but most of them might be seen as not simple for new users.
Michal Kepka, Jan Ježek
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PostGIS-powered proximity queries: implementation and Google Maps visualization [PDF]
Location-based services require efficient methods to calculate nearby points of interest. This article presents an implementation methodology for proximity queries using PostgreSQL’s PostGIS extension, focusing on the ST_DWithin function and spatial ...
Pavan Kumar Papasani, Ravi Teja Papasani
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A PostgreSQL/PostGIS Implementation for the Sightseeing Tour Planning Problem
This article discusses a procedure for finding the best multi stops route for sightseeing tour through a road network. The procedure involves building a database containing nodes and road network in PostgreSQL, calculating the shortest distance between a
Ardiansyah ., Ruslan Rainis
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POSTGIS-T: TOWARD A SPATIOTEMPORAL POSTGRESQL DATABASE EXTENSION
The temporal dimension of spatial data has been the subject of discussion in the literature for a long time. While there are numerous Database Management System (DBMS) solutions for spatial dimension, we do not observe the same situation for ...
Rolf Ezequiel de Oliveira Simoes +4 more
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POSTGIS KAO SUVREMENI INFORMACIJSKI EKOSUSTAV
U ovom radu biti će prikazan suvremeni informacijski ekosustav kao što su GoogleMaps, Bing Maps, OpenStreets i sl, koji većinom odgovaraju na pitanje gdje se nešto nalazi. Podloga tih kartografskih servisa su prostorni podaci, na određeni način strukturirani i organizirani. Suprotno naizglednoj jednostavnosti spomenutih servisa, suvremeni informacijski
Tkalčec, Siniša, Šimec, Alen
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THE DESIGN OF SCALABLE WEB GIS MICROSERVICE FRAMEWORK FOR UNDERGRADUATE EDUCATION [PDF]
As an interdisciplinary integration of GIS theory and network technology, Web GIS is of great significance for the comprehensive development of students’ GIS capability.
H. Lyu +7 more
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THE OPEN DATABASE OF REGIONAL MODELS OF THE INTERNATIONAL SERVICE FOR THE GEOID [PDF]
This paper describes the development of a web application to facilitate the management and processing of geoid models in the ISG collection as well as of additional information available in the ISG website (mainly projects, services and publications ...
J. F. Toro +3 more
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The main aim of the study was to introduce a spatial database application for the estimation of changes in shoreline position. The open-source PostgreSQL database system with the PostGIS spatial extension was used as the data store for digitalised ...
Kostecki Robert
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