Zoomlens graphic form of data presentation on a web map, comparison of chosen tool and usage examples

Английский. There are more and more users of the Internet, who actively make use of public techniques and programmatic tools. They often form social groups concentrated around various IT projects on a global scale. They just as often work individually creating different applications and providing them free of charge. The aim of the paper is a comparative analysis of chosen components, which extend functionality of websites by the possibility to present data concentrated in the small area of a web map, the visibility of which depends on a degree of approximation of a map view. Chosen project tools that base on raster and vector maps were tested. In conclusion it was proved that the tested tools can be applied in projects from the trend called Volunteered Geographic information (VGI) and in view of the attractive graphic form can also be used in commercial websites, for examples, to present offered assortment.

Английский. web engineering, geo-visualization, interactive zoomlens, data visualization, ad-hoc maps

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