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Author Topic: Small radar vs Large? What's the difference?  (Read 7840 times)

Offline Amiga

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Small radar vs Large? What's the difference?
« on: March 21, 2018, 12:08:34 am »
Is there any difference except price and range?? My whole life I've avoided small radar system...I've also heared that those small and large stack and worth to keep both?

Offline Meridian

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Re: Small radar vs Large? What's the difference?
« Reply #1 on: March 21, 2018, 12:10:46 am »
detection chance is also different
and yes, they do stack

Offline The Reaver of Darkness

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Re: Small radar vs Large? What's the difference?
« Reply #2 on: March 21, 2018, 02:30:29 am »
In my mod I set small radar to have a higher detection chance, and I have confirmed through testing that it works inside the large low-chance radius.

In openxcom with vanilla settings, the large is way better than the small, but if you still have room left in your base, it doesn't hurt to keep the small after you get the large. In the original game, detection chance didn't stack at all except as a lie in the base info screen--which was perhaps a bug.

Offline NKF

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Re: Small radar vs Large? What's the difference?
« Reply #3 on: March 21, 2018, 06:37:28 am »
The radar abilities do stack in the original. Once per facility type. The bug or confusion in the base information screen is that the radar bars only show the facility type count rather than their effectiveness.

One other reason to use a small radar is that its open octagon hallway might also be useful when planning your base layout.

Offline The Reaver of Darkness

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Re: Small radar vs Large? What's the difference?
« Reply #4 on: March 21, 2018, 08:15:31 am »
https://www.ufopaedia.org/index.php/Known_Bugs#First_Radar_Detection_Data_bug
"Despite the "Short Range" and "Long Range" detection bars displayed on each base's Information screen, only one radar of each type will be used at each base. Building additional radars of the same type will have no effect. One short and one long are useful until the Hyper-Wave Decoder makes both of them obsolete."

You can stack one with the other, but you cannot stack more than one.

I take it this is different in OXC?

Offline SupSuper

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Re: Small radar vs Large? What's the difference?
« Reply #5 on: March 24, 2018, 11:18:10 pm »
Yes, in OXC each radar does their own "detection check", though it's probably not worth the cost and space compared to waiting for Hyperwave.

Offline The Reaver of Darkness

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Re: Small radar vs Large? What's the difference?
« Reply #6 on: March 25, 2018, 09:53:18 am »
Yes, in OXC each radar does their own "detection check", though it's probably not worth the cost and space compared to waiting for Hyperwave.

Depends on the mod.

Thanks for the response.

Offline Meridian

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Re: Small radar vs Large? What's the difference?
« Reply #7 on: March 25, 2018, 11:37:47 am »
Depends on the mod.

Thanks for the response.

For completeness' sake, they don't actually have own separate checks, it's just one stacked check.
I.e. 50% + 50% = 100%, and not 75% if it was separate checks.

Also, there are other factors, like UFO size and altitude that affect the final chances.
Attached are exact algorithms.
« Last Edit: March 25, 2018, 11:42:56 am by Meridian »

Offline The Reaver of Darkness

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Re: Small radar vs Large? What's the difference?
« Reply #8 on: March 25, 2018, 12:49:51 pm »
Thanks.


How does visibility work? It says the altitude affects the visibility variable and the size affects the size variable. I don't see where it uses the size variable, it seems to only use the visibility variable and ignore the size variable. But I don't understand code.

Offline Meridian

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Re: Small radar vs Large? What's the difference?
« Reply #9 on: March 25, 2018, 01:02:07 pm »
On the second screenshot, for example for Very High altitude... visibility equals to "size - 10" (see line 641)... and "size" was set earlier on lines 618-629