Archive for the ‘GIS’ Category

Adding PDF Icon to Links

First Place an icon file in images folder, then put the following code in <head> tag

<script src=”http://jqueryjs.googlecode.com/files/jquery-1.3.2.min.js”></script>
<script type=”text/javascript”>
$(document).ready(function() {
$(’a[href^=mailto:]‘).addClass(’mailto’);
$(’a[href$=.pdf]‘).addClass(’pdflink’);
$(’a[href^=http][href*=henry]‘).addClass(’henrylink’);
});
</script>
<style>
.mailto {
background: url(images/mail.png) no-repeat right top;
padding-right: 18px;
}
.pdflink {
background: url(images/pdf_button.png) no-repeat right top;
padding-right: 18px;
}
</style>

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Autodesk Topobase

Check the following video for Autodesk Topobase.
Video

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Database Management Systems: Review in the context of GIS Applications

In this section we will examine Oracle database, how this product can be suitable for our GIS projects.
Oracle products are extraordinarily careful with data: For safety, they write all changes to data in two separate places—first to a transaction log and then to the database data file. Support transactions, which guarantees that if a mistake [...]

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Models for storing and representing spatial data in a GIS system

There are two main models for storing and representing spatial data in a Geographic Information System (GIS): the raster the vector models:
Raster Data – raster (or grid cell type) data can be used for analyzing, overlaying, and modelling area features such as soil types or forested areas. Raster data are generally typically scanned in from [...]

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Open-Source GIS — Free GIS softwares available

Open-source GIS packages can be provided at no cost but usually more effort is required for the installation and for the development of customized applications related to commercial GIS. Moreover documentation and user support is not enough.
MAPSERVER and GRASS GIS are selected among the existing open-source GIS tools to be presented in the current report [...]

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Commercial GIS Softwares – all major market leaders are covered

ARC-GIS
ArcGIS is a family of software products that form a complete GIS built on industry standards that provide exceptional, yet easy to use, capabilities right out of the box. ArcGIS is a complete, single, integrated system for geographic data creation, management, integration, and analysis.
ArcGIS is designed as a scalable system that can be deployed in [...]

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Geographic Information Systems and Mapping

Geo-information
Cartography and GIS are increasing its role in many applications, in particular many info-mobility applications are based on LBS- Location Based Services. The main technical problem is the availability of GIS information on small and portable terminals by Internet network. The communication problem are solving by the W3C’s Mobile Access Activity that is working to [...]

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Communication and Visualisation Terminals

Mobile communication equipment (GSM/GPRS/UMTS), a range of terminals including Personal Digital Assistants (PDA), Palmtops and powerful mobile PCs, and GNSS satellite location services can now be easily integrated in a distributed scenario: mobile devices are rapidly converging in standards and components to meet the growing demands in terms of users and need of internet based [...]

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LBS – Location based services & Applications

Location Based Services will play a key role in the future development of the Galileo market, as they represent the ultimate synergy between wireless communication networks, Geographic Information Systems and positioning technologies in order to deliver to the mass market a wide variety of new services.
This chapter begins with a general description and definition of [...]

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Mobile networks beyond 3G – Evolution

Introduction
Activities towards next generation mobile communication are up to now technology driven. But, especially from an operator’s point of view, a system B3G has to deal with various aspects like user preferences, system requirements, network architecture, business model, security, and standardisation.
Mobile technologies are dominating the modern communication world. Third generation mobile systems are currently being [...]

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