Web-based framework for exploration of LU/LC data Tomas Loukotka - - PowerPoint PPT Presentation

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Aug 17, 2023 179 likes •319 views

Web-based framework for exploration of LU/LC data Tomas Loukotka Gisat s.r.o. 2012 Outline Introduction Purpose and benefits of application Input data Projects Video presentation Technologies Other features

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Web-based framework for exploration of LU/LC data

Tomas Loukotka Gisat s.r.o. 2012

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Outline

Introduction Purpose and benefits of application Input data Projects Video presentation Technologies Other features Conclusions

Web-based framework for exploration of LU/LC data

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Introduction

Gisat SME company operating from 1991 Located in Prague, Czech Republic Geo-information company with focus on remote sensing and GIS application From research to fully operational activities

Web-based framework for exploration of LU/LC data

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Purpose and benefits of application

Exploring data in various forms Accessibility Interactivity Combining a lot of data sources

Web-based framework for exploration of LU/LC data

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Covers

Artificial surfaces, Forests, … Polluted Zone A, Polluted Zone B, …

Changes

Forests -> Artificial surfaces

Statistics

Unemployment rate

Data

Web-based framework for exploration of LU/LC data

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Projects

UrbanAtlas+

UrbanAtlas, UrbanAudit data, CZSO data AOI – Czech Republic

HLANDATA

Corine Land Cover, CZSO data AOI – Czech Republic

EOWORLD

AOI – Delhi, Mumbai, Dhaka

Web-based framework for exploration of LU/LC data

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Technologies

ExtJS 4.0.7 OpenLayers 2.11 PostgreSQL 8.4 / PostGIS 1.5 UMN Mapserver 6.0 Python 2.6, CGI Python Apache 2.2.16

Web-based framework for exploration of LU/LC data

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Other features

Theme, tab, charts, layers, … definition Areas upload and calculation OpenID login Google Docs data import Dynamic WMS using Mapscript

Web-based framework for exploration of LU/LC data

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Conclusions

Advantages

Interactivity Accessibility Modularity

Disadvantages

Fat client (client machine requirements) Demanding database preparation

Summary

Web-based framework for exploration of LU/LC data

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Contacts

tomas.loukotka@gisat.cz www.gisat.cz http://uaplus.gisat.cz http://hlandata.gisat.cz http://eoworld.gisat.cz Thank you for your attention

Web-based framework for exploration of LU/LC data

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