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Web-based Information visualization is one of the key technologies for product development and cooperative work in the enterprises. But existence of heterogeneous systems make geometry modeling a heavy task especially in the narrow-band network condition. Thus, a geometry modeling framework is built based on service-based architecture. Based on the X3D component, a basic geometric data structure is built firstly. Then, referred to operational semantic of geometry component, geometry modeling services are generated by service composition based on legacy CAD interfaces or geometry engine encapsulation. Lastly, a software prototype is also proposed based on an open geometry engine CASCADE. And it is shown that the framework provides an effective approach for large-scale information visualization.
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