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DATA Conversion

Cloud Computing UAE, India
GIS data conversion is a process of encoding geographical format into a file. GIS data conversion services are used widely in mapping services where simple raster images are converted to vector models. GIS data conversion outsourcing is widely used in industries like telecom, oil and gas, real estate, etc for the conversion of hard copy into a digital GIS format.

Data Conversion

Raster-to-Raster & Vector-to-Vector

There are many types of vector formats used in GIS, and even more raster formats. It is often necessary to change between file formats, even if they are both raster, or both vector, to make data sets useable together. There are many free, and commercial, translator and converter software available on the web. Some GIS programs support this type of conversion also; for example, the conversion tool available in ArcGIS can be used to switch between a number of formats.

Raster-to-Vector & Vector-to-Raster

Moving from vector to raster is not that difficult. A line or polygon is simply given a pixel value. The opposite is not true though. The problem is that one line might be several pixels wide, therefore one has to skeletonize the line, often leaving it very jagged. This is a time consuming and complicated procedure. Sometimes it is impossible to exchange, and one cannot move between the formats. If this is the case, the map has to be re-digitized. In other instances, there is just a poor translation, and data is lost in the exchange.