An ActiveX control for embedding GPS capability in custom applications |
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| Authors: | Khalid Amin Khan Gulraiz Akhter Zulfiqar Ahmad |
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| Institution: | (1) K-tron Research Inc., 347-A Westridge I, Rawalpindi, Pakistan;(2) Department of Earth Sciences, Quaid-i-Azam University, Islamabad, Pakistan |
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| Abstract: | An ActiveX GPS control is presented which can be used to develop software applications with GPS functionality. It translates
the NMEA 0183 interface GPS instructions and triggers event procedures which are used by applications to access the GPS data.
It provides position data in the form of geographic coordinates as well as Universal Transverse Mercator (UTM) projected coordinates.
This control is recommended for the development of general purpose GPS-enabled applications which do not require a high level
of accuracy. A Visual Basic project is also included to demonstrate the use of various features of this control. Finally,
some real-time software applications are discussed which have been developed using this control. These applications include
static point averaging; path tracking; and imagery-based position mapping. |
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