基于数据流图的并行绘制与可视化方法及系统 Based parallel rendering and visualization method and system data flow diagram of the本发明涉及一种基于数据流图的三维图形并行绘制与可视化方法及系统,通过显式构造具有数据流图驱动的流水线的技术,为开发者提供基本计算单元和并行化组装计算单元的工具,让开发者自行组合...
Data Flow Diagram In the late 1970s data-flow diagrams (DFDs) were introduced and popularized for structured analysis and design (Gane and Sarson 1979). DFDs show the flow of data from external entities into the system‚ showed how the data moved from one process to another‚ as well ...
The present invention relates to a method based on 3D graphics data flow diagram of parallel rendering and visualization method and system, by explicitly configured with a pipeline technical data flow diagram driven tools basic calculating unit and parallelization assembly calculating means for developers...
The CS System Data Flow Diagram example contains four processes, two external entities and four data stores. Although there is no design guidelines that governs the positioning of shapes in a Data Flow Diagram, we tend to put the processes in the middle and data stores and external entities on...
A Data Flow Diagram (DFD) illustrates the flow of data through an information system, visualizes how the information is handled in terms of inputs and outputs, how the data enter to system and leave it. It is effective to use a Data Flow Diagram for creation the system's overview, to ...
The CS System Data Flow Diagram example contains four processes, two external entities and four data stores. Although there is no design guidelines that governs the positioning of shapes in a Data Flow Diagram, we tend to put the processes in the middle and data stores and external entities on...
The system context diagram (also known as a level 0 DFD) is the highest level in a data flow diagram and contains only one process, representing the entire system, which establishes the context and boundaries of the system to be modeled. Thus, it is a high-level view of a system that ...
At the zenith of abstraction stands the Level 0 DFD, aptly termed the context diagram. This panoramic view provides an encompassing glance at the entire system. Major processes, data flows, and data stores are portrayed without delving into the minutiae of internal operations. Represented as ...
System flowcharts These flowcharts show physical control or resource level control. These flowcharts show data flow, but unlike data flowcharts, it also shows how decisions can control events. It shows data flow through major components like data entry, programs, storage media, and processes. ...
Data Flow Diagram (DFD) is the part of the Structured Systems Analysis and Design Methodology (SSADM), which is intended for information systems projection and analysis. Data Flow Diagrams allow graphically represent the data flows in information system and analyze the data processing during the stru...