AvisMap GIS Engine is the basic development platform for AvisMap GIS suites, which is a new generation component GIS development platform for GIS application developers. AvisMap GIS Engine 5 provides powerful GIS functions through Active X controls based on Microsoft COM component technique standards. It allows users to rapidly develop professional GIS applications and increase GIS functions for classical management information system (MIS) by adding graphic visualization, spatial data processing, data analysis or other functions.

AvisMap GIS Engine 5 constitutes several Active X components and many Automation Objects, which are conveniently embedded in the development of the popular visualization and high level development language. Developers can fully exert the advantages of Visual Basic, Visual C++, C++ Builder, PowerBuilder, Visual Basic Net, Visual C #.Net, Delphi, or any other high level development tool in objects orientated in programming and visualization programming design, and combine Active X third party components to develop various kinds of GIS systems easily.
Main Characteristics
Easy to Develop

AvisMap GIS Engine 5 provides the entire GIS functions in the form of the standard ActiveX components. Based on these components, users can develop powerful GIS applications by using Visual Basic, Visual C++, Delphi, Visual C#.NET, Visual Basic. NET, Visual C++.NET, ASP.NET, or other popular development languages and seamlessly integrate them with OA, MIS, and other information systems.
Independently Distributed Operation

AvisMap GIS Engine 5 is a component development platform especially for the developer. The application software developed by this platform can be distributed and operated independently without AvisMap GIS suite, which decreases the complicated degree of application disposition and distribution costs.
Powerful Functions

AvisMap GIS Engine has 11 controls, 170 programming objects, 3000 development interfaces, and powerful development and suitable encapsulation granularity. The functions include graphics and attribute edit, topological processing, spatial analysis, 3D modeling and analysis, 3D visualization, thematic map creation, symbol filling library edition and management, layout printing, etc. AvisMap GIS Engine 5 is the powerful component GIS development platform that can be distributed and operated independently at present.
High Flexibility

AvisMap GIS Engine 5 is the component GIS development platform. Each of the GIS components can be flexibly dismantled and assembled like building blocks. The user can develop large-scale GIS projects with entire components and select portion components to develop a medium/small size GIS system according to requirements.

The high flexibility of AvisMap GIS Engine 5 makes developers fully consider the requirements of GIS project, projects costs, and other aspects. Therefore, developers can shop and assemble development easily for high software performance and decrease the costs and risks in development.
Embedded Large-scale Spatial Database Engine–SDM 5

The new spatial database engine -AvisMap SDM 5 is used in AvisMap GIS Engine 5.

Use two level indexes at the same time for accurate locating geospatial data and rapid data accessing.
Expand data encoding in data storing: have byte, word, threebyte, Dword, float or other encoding based on the original double encoding for saving the storage, accelerating access speed and decreasing the pressure of transfer in the internet.
Rebuild data storage structure. The SDM datasource can be opened nearly without Cache file supported which decrease the consumption of the system resources.

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