Data Acquisition and Getting Data into GIS
Data entry process is the most important step and the most time-consuming part of the GIS operation. User should always be aware in advance at what type of data is needed for the project and where to locate or obtain it. Reliable and accurate data is essential for carrying meaningful GIS project. GIS users can rely on many sources of GIS data and some of the data is already available in different format or it can be created. Some of the most common source of GIS projects are hard copy maps. The maps can be digitized or scanned and integrated into GIS as a digital data. There are also huge digital spatial data, available from various organizations and commercial sources. They are processed data of different types and ready to use. Some of the data is free, you can download it, copy it, and borrow it. You can even convert it from one format to another.