Two approaches that can be used to develop a Structure Chart are Transaction Analysis and Transform Analysis (Satzinger 2007).
Transaction analysis
- Uses system flow chart and event table inputs
- Upper-level modules developed first
- Identifies each transaction supported by program
Transform analysis
- Uses DFD fragments for inputs
- Computer program “transforms” inputs into outputs
- Charts have input, calculate, and output subtrees
uTransaction analysis
lUses system flow chart and event table inputs
lUpper-level modules developed first
lIdentifies each transaction supported by program
uTransform analysis
lUses DFD fragments for inputs
lComputer program “transforms” inputs into outputs
lCharts have input, calculate, and output subtrees