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Author Topic:   DOF-question - letting an instrument-needle disappear at its extremes
Royohboy
Pilot
posted 04-16- 10:29 AM     Click Here to See the Profile for Royohboy   Click Here to Email Royohboy     Edit/Delete Message   Reply w/Quote
OK, old question posted under a less frightening subject line.

I've been working on a Radar-gauge as you can see in my Ju 188. Here is an image so you get the idea what it's all about:


The radar gauge is the black box left of the instrument panel. The horizontal line slightly right off-center is the radar-echo. It moves up and down to indicate range, and sideways to indicate the bearing to the target.

Everything is working fine, with one exception: The echo should only be there when the target is within a cone of +-30 degree in front of the aircraft. How do get the echo to disappear? I've tried some tricks with the echo moving inside the box, but this only works in one direction. Are there any tricks with DOF-macros? Something with obEndHidden or obHide? The stuff I tried with macros doesn't work, but I'm really not good at DOF-proplists.

BTW, in the general section MH said implementing Radar for SDOE would be possible. For now it's linked to qryAFNAngle and qryAFNDist.

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