Results 11 to 20 of about 724 (162)

PostGIS pro vývojáře

open access: yesGeoinformatics FCE CTU, 2007
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
doaj   +3 more sources

WORKFLOW AUTOMATION WITH POSTGIS TOPOLOGY

open access: yesGeoforum Perspektiv, 2018
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
doaj   +2 more sources

Web client for PostGIS—the concept and implementation

open access: yesGeoinformatics FCE CTU, 2013
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
doaj   +3 more sources

PostGIS-powered proximity queries: implementation and Google Maps visualization [PDF]

open access: yesPeerJ Computer Science
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
doaj   +3 more sources

A PostgreSQL/PostGIS Implementation for the Sightseeing Tour Planning Problem

open access: yesJurnal Rekayasa Elektrika, 2013
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
doaj   +3 more sources

POSTGIS-T: TOWARD A SPATIOTEMPORAL POSTGRESQL DATABASE EXTENSION

open access: yesRevista Brasileira de Cartografia, 2017
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
doaj   +3 more sources

POSTGIS KAO SUVREMENI INFORMACIJSKI EKOSUSTAV

open access: yesPolytechnic and design, 2014
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
openaire   +5 more sources

THE DESIGN OF SCALABLE WEB GIS MICROSERVICE FRAMEWORK FOR UNDERGRADUATE EDUCATION [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2023
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
doaj   +1 more source

THE OPEN DATABASE OF REGIONAL MODELS OF THE INTERNATIONAL SERVICE FOR THE GEOID [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
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
doaj   +1 more source

Application of the Spatial Database for Shoreline Change Analysis and Visualisation: Example from the Western Polish Coast, Southern Baltic Sea

open access: yesQuaestiones Geographicae, 2018
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
doaj   +1 more source

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