Frontiers of Geographic Information Technology by Sanjay Rana, Jayant Sharma

By Sanjay Rana, Jayant Sharma

Even supposing designed essentially for computer mapping and research, Geographic info platforms have, for a few years, been 'coupled' to different 'allied' applied sciences. This coupling or integration has happened for a while because of the obstacles in commercially to be had structures. It has happened in different components together with visualisation (virtual reality), simulation (pedestrian, city modelling), facts garage and administration (distributed or web GIS) and determination help. The chapters of the publication, written through a global team of specialists research a number of of those discrete components, focussing at the use of GIS and the expertise it's been allied to.

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The development of computer has been well documented therefore it will serve little purpose to dwell further on the miniaturisation and performance of computing technology. Starting from the humble and hugely oversized beginnings of light valves, computers are now literally everywhere. , satellite data processing; the entire system could be fully automated from receiving the data from satellite, processing it to the right format and analysing the desired information. NASA’s Mars rovers are perhaps one of the finest working examples of automated geo-processing.

DXF is one of the most widely used formats for CAD drawings and to a small extent for spatial maps. , in contrast to nontopological formats such as shapefiles) is the lack of standards to link attribute tables. ’s MicroStation when it came to be largely owned by Intergraph. The Microstation data format called DGN provided storage of element attributes as links to an external database. MapInfo was founded in 1986. It defined the MapInfo Data Transfer Files formats (MIF/MID). These can store all three main types of geospatial information viz.

However, now the advancement in digital electronics and computer software has made it possible to not only capture streaming video, sounds, images but also to embed them within the Geovisualisation interfaces. 26. Census return by Queen Victoria in the 1800s. the history of geographic information formats. Clearly, the bulk of the geographic information format history is based around the digital era. In order to trace some key developments in the history of geographic information formats it is convenient to follow the classical divisions in geographic information, namely the vector and raster data types as these data types evolved fairly independently.

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