Geographical information systems (GIS) are computer-based systems for geographical data presentation and analysis. They allow rapid development of high-quality maps, and enable sophisticated ...

map and chart publishing, land information management, hydrography, planning and development. GIS systems rely on one of three basic overall systems design alternatives: 1) street span systems ...

The symbology of a layer is its visual appearance on the map. The basic strength of GIS over other ways of representing data with spatial aspects is that with GIS, you have a dynamic visual ...

Green GIS JS API is a lite GIS JS API based on Canvas API. Currently, this API only implement basic functions, so it can only be used by learning and researching! But, you can use it in a simple APP!

Exposure to the basics of web-mapping, Python-focused GIS programming ... professionals will be able to apply for better paying and more challenging positions, such as GIS analyst and (basic level) ...