APC AP9212 User's Guide Page 72

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72
Status
Widgets
Status
Widgets
Status
Widgets
Status
Widgets
Status
Widgets
Status
Widgets
GUI
Spectrum Scanner
AR3000A
RS232
Acquire Scan
Command
Set
Scan Data
Data
File
Scan Data
Data
File
Scan Data
Data
File
Scan Data
Data
File
Scan Data
Data
File
Scan Data
Data
File
Scan Data
Data
File
Scan Data
Data
File
Scan Data
Data
File
Visad
Visad
Visad
Plots
Figure 9-2 Spectrum scanner software architecture
9.5.1 Data files
The data files are written incrementally by the ScanData object to ensure that data is correctly
recorded even if there is a software or hardware failure during a scan.
Originally, data files were stored as a comma delimited text file, to enable data files to be easily
imported into other applications for further analysis, such as Microsoft Excel. However, these files
had to be manually parsed to be loaded back into the Spectrum Scanner application. The
overhead of maintaining this parsing mechanism posed a problem to further development.
For this reason, the data files were converted to XML documents. XML is an ideal storage
mechanism for scientific data of this nature due to its portability and flexibility.
A sample data file is included in Appendix F.3.1.
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