More about switches

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Carlo L. Tiana (carlo++at++vision.arc.nasa.gov)
Mon, 14 Aug 1995 17:37:02 -0700

After this morning's message, I think I now have all my family values :-)
correct - ie parents and children in the right order. I am still having a
pesky problem with my desired hierarchy, namely:

                        pfSwitch1
|
                         pfLayer
                           / \
                BASE / \ LAYER
                ---------/ \---------
| |
           runwayGeode1 pfSwitch2
|
                                     markingsGeode2

In my understanding, turning pfSwitch1 to PFSWITCH_OFF I should see none of
the above tree (no runway, no markings); while turning pfSwitch1 to PFSWITCH_ON
and pfSwitch2 to PFSWITCH_OFF I should just see a runway with no markings;
yet, albeit I can turn pfSwitch2 on and off for the desired effect, I can never
get rid of everything by turning pfSwitch1 to PFSWITCH_OFF.

Am I (again) missing something obvious? Am I not correctly interpreting the
behaviour of nested switches as above?

Thanks again for any pointers.
Carlo.

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