Download NICMOSlook An Interactive Spectrum Extraction Program for

30CHAPTER 4. SOFTWARE DEPENDENCIES, SYSTEM REQUIREMENTS & DEBUGGING
item of interest to NICMOSlook, exibility is needed. For example, some FITS les might
use the keyword OPT ELEM to specify the optical component used for an observation. Other
FITS les on the other hand, might use the keyword FILTER to specify the same optical
component! It is possible to edit the value of the keywords used by NICMOSlook(see
Figure 4.4). Use the button Edit FITS Keywords to change these values. The changes
take eect immediately after hitting the Save button on the editor pop-up. See section D.3
for the default values.
4.2 Debugging
In the course of processing, NICMOSlook writes diagnostic information to the shell window
from which it was started. In the unlikely event NICMOSlook does not behave in the
manner expected, the parameter DEBUG LEVEL can be increased from its default value.
When this parameter is set higher, more detailed messages are displayed. This value can
be set by selecting the Edit Setup Params button.