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ISOCAM Interactive Analysis User's Manual Version 5.0 - ISO - ESA

ISOCAM Interactive Analysis User's Manual Version 5.0 - ISO - ESA

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13.3. DATA CALIBRATION WITH X CIA 109<br />

13.3.3.6 Example 4: testing several methods for transient correction<br />

Let’s assume that the user wants to try different transient corrections on the previous data (see<br />

above Example 3).<br />

Hence, the sequence of commands would be the following:<br />

1. Start a CIA session<br />

2. Start x cia – simply type x cia on the CIA command line.<br />

3. Choose AOT Type (default is raster scan).<br />

4. Data / Load / IDL File (my file.xdr)<br />

5. Process / None<br />

6. Transient / SAP Model Fitting<br />

7. Process / Selected<br />

8. Use all available functions of View and Tools menu to explore calibrated data.<br />

9. Transient / 90% Of Final Flux (measured)<br />

10. Process / Selected<br />

11. Use all available functions of View and Tools menu to explore calibrated data.<br />

12. Tools / Hardcopy to create hardcopies.<br />

13. . . .<br />

14. CIA / Quit<br />

13.3.3.7 Example 5: loading IDL data structure from memory<br />

If an IDL data structure is already in memory, it is possible to load it directly into the x cia<br />

session, by typing:<br />

CIA>x_cia, data=my_structure<br />

The modified value of my structure will then be returned at the end of session.<br />

If a string array is already in memory, the user can also use it as its own data history by<br />

typing:<br />

CIA>x_cia, data=my_structure, histo=my_history<br />

The string array my history will then be returned at the end of x cia session. If the array<br />

my history is not empty at the beginning of the session, new information will be appended to<br />

it.<br />

13.3.3.8 Returning to home institute<br />

You may choose to return to your home institute with the results of your calibration either in<br />

XDR format (using Data / Save / IDL File) orinFITSformat(usingData/Save/SAD<br />

(Fits)).

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