面向多领域的可视化应用开发平台MOVADP

ＭＯＶＡＤＰ是一个面向多领域的可视化应用开发平台，文中主要介绍了该平台的软件结构和实现技术，ＭＯＶＡＤＰ以数据流机制为核心，采用可视编程技术，为用户开发可视化应用提供了一个文凭交互的模块级图形编程环境，与同类平台相比，ＭＯＶＡＤＰ的特点在于，引入了ＩＦＴＨＥＮ－ＥＬＳＥ，ＷＨＩＬＥ－ＬＯＯＰ等控制结构，支持用户构建复杂的可化应用流图；支持“ｌａｚｙｅｖａｌｕａｔｉｏｎ”命令驱动方式下的流图局部运行

MOVADP:A MULTIFIELD ORIENTED VISUALIZATION APPLICATION DEVELOPMENT PLATFORM

MOVADP is a multifield oriented visualization application development platform.Its software architecture and implementation techniques are described in detail. MOVADP owns a data flow kernel, a visual programming environment and extensible library. These provide users with a convenient interactive module level graphical programming environment. MOVADP has the following features:it introduces control structure, e.g., IF THEN ELSE and WHILE LOOP,to support conditional alternative structure and loop structure for building complex visualization application flow graph;it supports flow graph local running under the demand driven mode which is called lazy evaluation; it is an open environment and the module library is extensible; and it supports the parallel processing both on data and tasks.