Spectrum Device – Arma 3

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The spectrum device is a feature introduced in [[Arma 3 Contact]]. It's fully integrated into standalone distribution of the expansion, relying on systems that cannot exist outside of Contact.
[[Category:Arma 3: Editing|Spectrum Device]]
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{{SideTOC}}
 
The Spectrum Device is a tool / feature introduced in [[Arma 3 Contact]]. It's ''fully'' integrated only in the optionally loaded expansion data, relying on systems that cannot exist outside of Contact.
 
The default Arma 3 version contains a light version of the device, which has a basic API for usage in scripts.
 
{{GVI|arma3|1.96|category}}


Default Arma 3 version contains light version of the device which has a basic API for usage in scripts.
{{Important|This is documentation for the Spectrum Device in the vanilla game's sandbox. It will not work as described when the spin-off Arma 3 Contact expansion is loaded into the game.}}
{{Important|Keep in mind that players need to own Arma 3 Contact in order to pick up the device and use it without restrictions (it can still be added by script, but DLC purchase notifications will be shown).}}


{{Important|This is a documentation about the spectrum device in vanilla game. It won't work when the spin-off Arma 3 Contact expansion is running.}}
{{Important|Keep in mind that players need to own Arma 3 Contact to be able pick-up the device (it can still be added by a script, but DLC purchase notifications will be shown).}}


== Features ==
== Features ==
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* Horizontal compass
* Horizontal compass
* Spectrum line animation (i.e., noise)
* Spectrum line animation (i.e., noise)
* Player-controlled frequency selection (mouse wheel by default while in "sights" view)
* Player-controlled frequency selection (mouse wheel by default while in the 'sights' view)


All other features have to be controlled by user-made script, notably:
All other features have to be controlled by user-made scripting, notably:
* Setting signal values (e.g., stronger signal when pointing towards its source)
* Setting signal values (e.g., a stronger signal when pointing towards its source)
* Playing sounds
* Playing sounds
* Transmitting a signal
* Transmitting signals


Certain aspects are not supported at all:
Certain aspects are not supported at all:
* Signal labels (frequency and signal name above the peak)
* Signal labels (frequency and signal name above the peak)
* Selected signal to transmit (shown below the compass in Contact)
* Selected signal to transmit (shown below the compass in Contact)


== Spectrum Device==
== Spectrum Device==
The device can be configured using global variables. Since the device is calculated locally, it's possible to set different values on each client in multiplayer.
The device can be configured using global variables. Since the device is calculated locally, it's possible to set different values on each client in multiplayer.
[[File:contact spectrumAnalyzer.jpg|512px]] [[File:contact spectrumAnalyzerTransmit.jpg|512px]]<br />
[[File:contact spectrumAnalyzer.jpg|512px]] [[File:contact spectrumAnalyzerTransmit.jpg|512px]]<br />
<small style="color:grey;">The images display values set by following code examples.</small>
<small style="color:grey;">The images display values set by the following code examples.</small>


=== Frequency ===
=== Frequency ===
Frequency range in which the analyzer operates. Values are in [https://nl.wikipedia.org/wiki/Megahertz MHz].
Frequency range in which the analyzer operates. The values are in [https://en.wikipedia.org/wiki/Megahertz MHz].
  [[missionNamespace]] [[setVariable]] ["<span style="color:#ff6600;">#EM_FMin</span>", 140];
  [[missionNamespace]] [[setVariable]] ["<span style="color:#ff6600;">#EM_FMin</span>", 140];
  [[missionNamespace]] [[setVariable]] ["<span style="color:#ff6600;">#EM_FMax</span>", 143];
  [[missionNamespace]] [[setVariable]] ["<span style="color:#ff6600;">#EM_FMax</span>", 143];


=== Sensitivity ===
=== Sensitivity ===
Sensitivity of signals the analyzer is able to detect. Values are in [https://en.wikipedia.org/wiki/Decibel dBm].
Sensitivity of signals the analyzer is able to detect. The values are in [https://en.wikipedia.org/wiki/Decibel dBm].
  [[missionNamespace]] [[setVariable]] ["<span style="color:#ff6600;">#EM_SMin</span>", -60];
  [[missionNamespace]] [[setVariable]] ["<span style="color:#ff6600;">#EM_SMin</span>", -60];
  [[missionNamespace]] [[setVariable]] ["<span style="color:#ff6600;">#EM_SMax</span>", -10];
  [[missionNamespace]] [[setVariable]] ["<span style="color:#ff6600;">#EM_SMax</span>", -10];


=== Selected Frequency ===
=== Selected Frequency ===
Currently selected frequency. Must be within the frequency range, otherwise it won't be shown. Values are in MHz.
Currently selected frequency. Must be within the frequency range, otherwise it will not be shown. The values are in MHz.
  [[missionNamespace]] [[setVariable]] ["<span style="color:#ff6600;">#EM_SelMin</span>", 141.6];
  [[missionNamespace]] [[setVariable]] ["<span style="color:#ff6600;">#EM_SelMin</span>", 141.6];
  [[missionNamespace]] [[setVariable]] ["<span style="color:#ff6600;">#EM_SelMax</span>", 141.9];
  [[missionNamespace]] [[setVariable]] ["<span style="color:#ff6600;">#EM_SelMax</span>", 141.9];
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=== Scanning Progress ===
=== Scanning Progress ===
When a signal is selected, it's possible to progress scanning bar by setting the following variable. Value is in range from 0 to 1.
When a signal is selected, it's possible to progress the scanning bar by setting the following variable. The value is in a range from 0 to 1.
  [[missionNamespace]] [[setVariable]] ["<span style="color:#ff6600;">#EM_Progress</span>", 0.5];
  [[missionNamespace]] [[setVariable]] ["<span style="color:#ff6600;">#EM_Progress</span>", 0.5];


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List of displayed signal values. The array is in format ''[frequency1, strength1, frequency2, strength2, ... frequencyN, strengthN]''.
List of displayed signal values. The array is in format ''[frequency1, strength1, frequency2, strength2, ... frequencyN, strengthN]''.
  [[missionNamespace]] [[setVariable]] ["<span style="color:#ff6600;">#EM_Values</span>", [141.8,-30, 140.85,-50, 141.12,-40]];
  [[missionNamespace]] [[setVariable]] ["<span style="color:#ff6600;">#EM_Values</span>", [141.8,-30, 140.85,-50, 141.12,-40]];
[[Category:Arma 3: Editing|Spectrum Device]]
[[Category:Introduced with Arma 3 version 1.96|Spectrum Device]]

Revision as of 14:44, 13 January 2020

Template:Cfg ref Template:SideTOC

The Spectrum Device is a tool / feature introduced in Arma 3 Contact. It's fully integrated only in the optionally loaded expansion data, relying on systems that cannot exist outside of Contact.

The default Arma 3 version contains a light version of the device, which has a basic API for usage in scripts.

Arma 3 logo black.png1.96

⚠
This is documentation for the Spectrum Device in the vanilla game's sandbox. It will not work as described when the spin-off Arma 3 Contact expansion is loaded into the game.
⚠
Keep in mind that players need to own Arma 3 Contact in order to pick up the device and use it without restrictions (it can still be added by script, but DLC purchase notifications will be shown).


Features

On its own, the simplified system handles these features:

  • Horizontal compass
  • Spectrum line animation (i.e., noise)
  • Player-controlled frequency selection (mouse wheel by default while in the 'sights' view)

All other features have to be controlled by user-made scripting, notably:

  • Setting signal values (e.g., a stronger signal when pointing towards its source)
  • Playing sounds
  • Transmitting signals

Certain aspects are not supported at all:

  • Signal labels (frequency and signal name above the peak)
  • Selected signal to transmit (shown below the compass in Contact)


Spectrum Device

The device can be configured using global variables. Since the device is calculated locally, it's possible to set different values on each client in multiplayer.

contact spectrumAnalyzer.jpg contact spectrumAnalyzerTransmit.jpg
The images display values set by the following code examples.

Frequency

Frequency range in which the analyzer operates. The values are in MHz. 

missionNamespace setVariable ["#EM_FMin", 140];
missionNamespace setVariable ["#EM_FMax", 143];

Sensitivity

Sensitivity of signals the analyzer is able to detect. The values are in dBm. 

missionNamespace setVariable ["#EM_SMin", -60];
missionNamespace setVariable ["#EM_SMax", -10];

Selected Frequency

Currently selected frequency. Must be within the frequency range, otherwise it will not be shown. The values are in MHz. 

missionNamespace setVariable ["#EM_SelMin", 141.6];
missionNamespace setVariable ["#EM_SelMax", 141.9];

Since the player can change the selection, it's possible to use getVariable to get the current value.

Scanning Progress

When a signal is selected, it's possible to progress the scanning bar by setting the following variable. The value is in a range from 0 to 1. 

missionNamespace setVariable ["#EM_Progress", 0.5];

Transmission

To visualize transmitting, set the following variable to true. 

missionNamespace setVariable ["#EM_Transmit", true];

Spectrum Signals

List of displayed signal values. The array is in format [frequency1, strength1, frequency2, strength2, ... frequencyN, strengthN]. 

missionNamespace setVariable ["#EM_Values", [141.8,-30, 140.85,-50, 141.12,-40]];
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