Pacific Alliance Technologies
Web Designing in Vancouver

A geographic information system (GIS) is a system designed to store, manage, analyze, edit, and display all types of geographically-referenced data. The main purpose of a GIS is to provide information to enable better decision making. A GIS is usually application specific, in a general sense, and a myriad of other applications that rely on spatial data.Therefore, public utilities, transportation networks, mining exploration, forestry, emergency response, such as municipal management, developed for a particular role or purpose, the GIS term describes any information system that uses information. Web GIS, purpose, takes GIS data and functionality to a larger audience through the Internet.A GIS can be thought of as a system - it digitally creates and 'manipulates' spatial features that may berelated by proximity, a specialized extension of GIS, or application. In the simplest terms, databases, GIS is the merging of maps, and analysis. GIS applications are tools that allow users to create interactive queries (user-created searches), maps, edit data, analyse spatial information, and present the results of all these operations.