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Difference between revisions of "Line of Sight"

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=Calculating LoS=
 
=Calculating LoS=
−
===Formula 33===
+
==Formula 33==
 
Formula 33, sometimes referred to as F33 is the most accurate "Fleet LoS" calculation formula known. It is described as follows<ref>http://ja.kancolle.wikia.com/wiki/%E3%83%9E%E3%83%83%E3%83%97%E7%B4%A2%E6%95%B5</ref>:
 
Formula 33, sometimes referred to as F33 is the most accurate "Fleet LoS" calculation formula known. It is described as follows<ref>http://ja.kancolle.wikia.com/wiki/%E3%83%9E%E3%83%83%E3%83%97%E7%B4%A2%E6%95%B5</ref>:
 
{{Formula
 
{{Formula
 
|Title=LoS Formula 33
 
|Title=LoS Formula 33
−
|Math=\begin{align}
+
|Math= \text{LoS}_\text{Fleet} = \sum_{\text{All Ships} } \sqrt{LoS_\text{Ship} } + C_{n} \times \sum_{\text{All Equipment} } C_{e} \times ( \text{LoS}_{e} + C_{\star} \times \sqrt{\bigstar} ) - \lceil Q \times Lv_\text{HQ} \rceil + 2M
−
\text{Fleet}_\text{LoS} &= \sum_{s \in \text{Ships} } \sqrt{Ship_\text{LoS} } + C_{n} \sum_{e \in \text{Equipment} }C_{e} ( S_{e} + S_e^{\star} ) - \lceil Q \times HQ_\text{Lv} \rceil + 2M \\
+
|Var=<math>\text{LoS}_\text{Ship}</math> the ship's base LoS {{LOS}}.
−
S_e^{\star} &= C_e^{\star} \cdot \sqrt{\bigstar_e}
+
**Total LoS {{LOS}} of [[Visible Fit Bonuses]] should be added to this part, unlike equipment improvement bonuses.
−
\end{align}
+
*<math>C_{n}</math> the Node factor, it represents the weighting of the formula that is '''known to vary''' across different maps and nodes (''see [[#Estimated LoS|below]]''),
−
|Var=<math>Ship_\text{LoS}</math> the ship's base LoS {{LOS}}.
+
*<math>C_{e}</math> the equipment multiplier (''see [[#Equipment Types|below]]''),
−
**Total LoS {{LOS}} of [[Equipment Bonuses|visible fit bonuses]] should be added to this part, unlike equipment improvement bonuses.
+
*<math>LoS_{e}</math> the equipment's base LoS {{LOS}}, excluding visible fit bonus,
−
*<math>C_{n}</math> the Node factor, it represents the weighting of the formula that is '''known to vary''' across different maps and nodes. See [[Line_of_Sight#Equipment LoS weighting modifier|following section]] for more details.
+
*<math>C_{\star}</math> is the [[improvement]] modifier of the equipment (''see [[#Equipment Types|below]]''),
−
*<math>C_{e}</math> the equipment multiplier (see bellow),
+
*<math>\bigstar</math> the equipment's [[improvement]] {{Star}} level,
−
*<math>S_{e}</math> the displayed LoS value of the equipment, excluding visible fit bonus,
 
−
*<math>S_e^{\star}</math> the equipment's [[Improvement]] {{Star}} bonus to equipment LoS (see <math>C_l^{\star}</math> bellow),
 
−
*<math>C_e^{\star}</math> is the improvement modifier of the equipment, ''see table bellow.
 
−
*<math>\bigstar_e</math> is the improvement level {{star}} of the equipment.
 
 
*<math>Q</math> the HQ level modifier, varying depending on the map:
 
*<math>Q</math> the HQ level modifier, varying depending on the map:
 
** '''0.35''' on [[5-2]] and [[6-3]].
 
** '''0.35''' on [[5-2]] and [[6-3]].
 
** '''0.4''' otherwise.
 
** '''0.4''' otherwise.
−
*<math>HQ_\text{Lv}</math> the HQ level.
+
*<math>Lv_\text{HQ}</math> the [[HQ]] level.
  
 
*<math>M</math> the number of empty ship slots in the fleet:
 
*<math>M</math> the number of empty ship slots in the fleet:
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|Notes=Equipment LoS weight more than ship LoS.
 
|Notes=Equipment LoS weight more than ship LoS.
 
}}
 
}}
 +
 +
==Equipment LoS Weighting Modifier==
 +
The node factor <math>C_{n}</math> affects the weighting of equipment LoS.
 +
* It depends on the map (''see the [[#Estimated LoS|below]]'').
 +
The equipment and improvement multiplier <math>C_{e}</math> and <math>C_{\star}</math> will affect the "real" LoS given per equipment.
 +
* It depends on the equipment type (''see the [[#Equipment Types|below]]'').
 +
 +
Because of those factors:
 +
*Some equipment are more efficient to provide LoS,
 +
*Ship LoS is less relevant, notably in maps with higher node factors.
  
 
===Equipment Types===
 
===Equipment Types===
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!colspan=2|Equipment type
 
!colspan=2|Equipment type
 
!width=50px|<math>C_{e}</math>
 
!width=50px|<math>C_{e}</math>
−
!width=50px|<math>C_e^{\star}</math>
+
!width=50px|<math>C_{\star}</math>
 
|-
 
|-
 
!{{SPR}}!![[Seaplane Recon]]s
 
!{{SPR}}!![[Seaplane Recon]]s
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!colspan=2|
 
!colspan=2|
 
{|class="wikitable mw-collapsible mw-collapsed"  
 
{|class="wikitable mw-collapsible mw-collapsed"  
−
!All other equipment types:
+
!colspan=2|All other equipment types:
 
|-
 
|-
−
|
+
|{{Fighter}}||[[Fighter]]s
−
{{Fighter}}[[Fighter]]<br>
+
|-
−
{{Dive Bomber}}[[Dive Bomber]]s<br>
+
|{{Dive Bomber}}||[[Dive Bomber]]s
−
{{SPF}}[[Seaplane Fighter]]s<br>
+
|-
−
{{ASWPlane}}[[Liaison Aircraft]]<br>
+
|{{SPF}}||[[Seaplane Fighter]]s
−
{{Sonar}}[[Sonar]]s<br>
+
|-
−
{{Searchlight}}[[Searchlights]]<br>
+
|{{ASWPlane}}||[[Liaison Aircraft]]
−
{{SurfaceShipPersonnel}}[[Lookout]]s<br>
+
|-
−
{{Aviation Personnel}}[[Aviation Personnel]]<br>
+
|{{Sonar}}||[[Sonar]]s
−
{{FCF}}[[Command Facilities]]<br>
+
|-
−
{{SubmarineRadar}}[[Submarine Equipment]]<br>
+
|{{Searchlight}}||[[Searchlights]]
−
{{Landing Craft}}[[Landing Craft]]<br>
+
|-
−
{{Minisub}}[[Midget Submarine]]s<br>
+
|{{SurfaceShipPersonnel}}||[[Lookout]]s
−
{{Light Gun}}[[Small Caliber Main Gun]]s<br>
+
|-
−
{{Med Gun}}[[Medium Caliber Main Gun]]s
+
|{{Aviation Personnel}}||[[Aviation Personnel]]
 +
|-
 +
|{{FCF}}||[[Command Facilities]]
 +
|-
 +
|{{SubmarineRadar}}||[[Submarine Equipment]]
 +
|-
 +
|{{Landing Craft}}||[[Landing Craft]]
 +
|-
 +
|{{Minisub}}||[[Midget Submarine]]s
 +
|-
 +
|{{Light Gun}}||[[Small Caliber Main Gun]]s
 +
|-
 +
|{{Med Gun}}||[[Medium Caliber Main Gun]]s
 
|}
 
|}
 
|0
 
|0
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Other equipment types are speculated to be:<ref>Default based on Vita datamine</ref>
 
Other equipment types are speculated to be:<ref>Default based on Vita datamine</ref>
 
*<math>C_{e}=0.6</math>
 
*<math>C_{e}=0.6</math>
−
*<math>C_e^{\star}=0</math>
+
*<math>C_{\star}=0</math>
−
 
 
−
===Equipment LoS weighting modifier===
 
−
* Also known as node factor.
 
−
* Depending on the map, equipment is weighted with more importance.
 
−
* It is denoted as C<sub>n</sub> in the formula.
 
−
* See the [[#Estimated LoS|table below]] for C<sub>n</sub> values used by each map.
 
−
* Ship LoS is less effective in those maps with higher equipment weight modifiers.
 
  
 
===Estimated LoS===
 
===Estimated LoS===
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| Appears to be fixed routing based on composition but still plays the LoS routing animation.
 
| Appears to be fixed routing based on composition but still plays the LoS routing animation.
 
|}
 
|}
 +
 +
===Events===
 +
In [[events]], LoS cheks are also performed following the same rules, but will additionally vary with difficulties, higher difficulties recruiting higher LoS.
  
 
=LBAS LoS=
 
=LBAS LoS=

Latest revision as of 14:16, 19 September 2024

This page is for "Effective Line of Sight" (ELoS), also called "Fleet LoS", as it pertains to branching requirements. Certain maps require the fleet to hit a certain LoS threshold in order to get routed to the boss or pre-boss. As a rule LoS from equipment is more important than ship LoS when determining ELoS.

For details on the LoS Line of Sight stat, please see Stats.

Calculating LoS

Formula 33

Formula 33, sometimes referred to as F33 is the most accurate "Fleet LoS" calculation formula known. It is described as follows[1]:

LoS Formula 33
[math]\displaystyle{ \text{LoS}_\text{Fleet} = \sum_{\text{All Ships} } \sqrt{LoS_\text{Ship} } + C_{n} \times \sum_{\text{All Equipment} } C_{e} \times ( \text{LoS}_{e} + C_{\star} \times \sqrt{\bigstar} ) - \lceil Q \times Lv_\text{HQ} \rceil + 2M }[/math]
With
  • [math]\displaystyle{ \text{LoS}_\text{Ship} }[/math] the ship's base LoS Line of Sight.
    • Total LoS Line of Sight of Visible Fit Bonuses should be added to this part, unlike equipment improvement bonuses.
  • [math]\displaystyle{ C_{n} }[/math] the Node factor, it represents the weighting of the formula that is known to vary across different maps and nodes (see below),
  • [math]\displaystyle{ C_{e} }[/math] the equipment multiplier (see below),
  • [math]\displaystyle{ LoS_{e} }[/math] the equipment's base LoS Line of Sight, excluding visible fit bonus,
  • [math]\displaystyle{ C_{\star} }[/math] is the improvement modifier of the equipment (see below),
  • [math]\displaystyle{ \bigstar }[/math] the equipment's improvement Improved level,
  • [math]\displaystyle{ Q }[/math] the HQ level modifier, varying depending on the map:
    • 0.35 on 5-2 and 6-3.
    • 0.4 otherwise.
  • [math]\displaystyle{ Lv_\text{HQ} }[/math] the HQ level.
  • [math]\displaystyle{ M }[/math] the number of empty ship slots in the fleet:
    • 0 for 6 ships fleet,
    • +1 increase per missing ship,
      • This value can increase mid-sortie if a ship is sunk or evacuated.
    • -1 for a full Striking Force Fleet (7 ships).
Notes
  • Equipment LoS weight more than ship LoS.

Equipment LoS Weighting Modifier

The node factor [math]\displaystyle{ C_{n} }[/math] affects the weighting of equipment LoS.

  • It depends on the map (see the below).

The equipment and improvement multiplier [math]\displaystyle{ C_{e} }[/math] and [math]\displaystyle{ C_{\star} }[/math] will affect the "real" LoS given per equipment.

  • It depends on the equipment type (see the below).

Because of those factors:

  • Some equipment are more efficient to provide LoS,
  • Ship LoS is less relevant, notably in maps with higher node factors.

Equipment Types

Equipment type [math]\displaystyle{ C_{e} }[/math] [math]\displaystyle{ C_{\star} }[/math]
Reconnaissance SeaplaneRecon Seaplane Recons 1.2 1.2
Seaplane BomberBomber Seaplane Bombers 1.1 1.1
Reconnaissance Aircraft Carrier Recons 1 1.2
Torpedo Bomber Torpedo Bombers 0.8 0
Large Flying Boat Large Flying Boats 0.6 1.2
Small RADARSmall Small Radars 1.25
Large RADARLarge Large Radars 1.4
All other equipment types:
Fighter Fighters
Dive Bomber Dive Bombers
Seaplane Fighter Seaplane Fighters
Liaison Aircraft Liaison Aircraft
SONAR Sonars
Searchlight Searchlights
Lookout Lookouts
Aviation Personnel Aviation Personnel
Command Facility Command Facilities
Submarine Equipment Submarine Equipment
Landing Craft Landing Craft
Midget SubmarineMinisub Midget Submarines
Small Caliber Main Gun Small Caliber Main Guns
Medium Caliber Main Gun Medium Caliber Main Guns
0

Other equipment types are speculated to be:[2]

  • [math]\displaystyle{ C_{e}=0.6 }[/math]
  • [math]\displaystyle{ C_{\star}=0 }[/math]

Estimated LoS

Data sourced from TsunDB. Values are the lowest and highest reported LoS for routing. Please note that there may be some margin of error due to random routing.

Map Cn Origin Node Lower Threshold Upper Threshold Destination Node Fail Destination Notes
1-6 3 M 29.7 159.6 J L Not meeting composition requirements also routes to L.
2-5 1 G 37.3 87.8 L K
I 31.2 59.4 O H
J 42.4 91.2 O H
3-5 4 G 24 337 K I
H 39.1 321.4 K J
7-2 ?? E -32.1 136.5 G F Appears to be fixed routing based on composition but still plays the LoS routing animation.
4 I 66.1 294.5 M L
7-4 ?? G ?? ?? L F
?? E ?? ?? K/P L Not meeting composition requirements also routes to L.
4 M 50? ?? O N Not meeting composition requirements also routes to N or P.
7-5 4 O 57 ?? M L
P 58 ?? T/R S Composition determines the T/R route.
4-5 2 K 64.8 146.5 T L
Q 62 167 N/O P Low number of reports.
?? O 62 167 T N Appears to be fixed routing based on composition but still plays the LoS routing animation.
5-2 2 F 64 147 O H
L 73.8 81 K N Low number of reports.
5-4 2 L 57 185 P N
M 42.3 150.1 P O
5-5 2 O 63.8 134.5 S R
P 74.4 167.7 S Q
6-1 4 G 16.7 218.1 H I
H 25.4 201.4 K E With AS
H 23.3 218.1 Without AS
6-2 3 E 46 179.8 J I
H 42.8 42.8 K G Low number of reports.
I 35.7 205.8 K G
6-3 3 E 19.4 180 G F Routing is heavily influenced by composition as well.
6-5 3 G 56.3 196.2 M K
?? J 37.2 193 M L Appears to be fixed routing based on composition but still plays the LoS routing animation.

Events

In events, LoS cheks are also performed following the same rules, but will additionally vary with difficulties, higher difficulties recruiting higher LoS.

LBAS LoS

Unlike ship mechanics, LBAS do not need/utilize the LoS stat and so this stat is mostly useless.

The only use for LoS is for "Defense Fighter-Power" in air defense mode, where it determines the "Reconnaissance Defense Bonus" ([math]\displaystyle{ \text{Mod}_\text{recon} }[/math]) for Reconnaissance SeaplaneRecon Seaplane Recons, Large Flying Boat Large Flying Boats, Reconnaissance Aircraft Carrier Recons, and Land-based Reconnaissance AircraftLB Land-based Recons:

Reconnaissance Defense Bonus
LoS Reconnaissance SeaplaneReconSeaplane
Large Flying BoatLarge Flying Boat 		Reconnaissance AircraftCarrier-based Land-based Reconnaissance AircraftLBLand-Based
≥9 1.16 1.3 1.24
8 1.13 - 1.18
≤7 1.1 1.2 -

The LoS on all other aircraft or in other LBAS modes is not counted.

FAQ

Q: Why do I keep getting offrouted?

A: Double check that your fleet LoS according to relevant formula meets the LoS threshold for the map. Viewers such as KanColle Command Center Kai, Poi Viewer, KCANotify, KanColle Viewer and Electronic Observer can calculate your fleet's LoS easily for you.


Q: How do I increase my LoS?

A: Reconnaissance seaplanes are the fastest way to raise LoS. The other easy way is to stack radars. Upgrades to reconnaissance seaplanes are also a good way to increase LoS when slots are limited. It is not recommended to stack carrier-based recons or seaplane bombers because too many can compromise the combat ability of your fleet. Another way is to level your ships. Because LoS increases as you level, marrying your ships means their LoS stat can go even higher.


Q: I had enough LoS, how did I get off routed?

A: Planes that are wiped out no longer contribute to LoS. If you were depending on bombers to hit the LoS threshold, you can fall under the threshold when encountering heavy enemy anti-air.

See Also

v · e
Game Mechanics
Ship Mechanics • Equipment Mechanics
General Combat
Combat Calcultaions
Remodels/Upgrades
Others
Other
Defunct Mechanics
  1. ↑ http://ja.kancolle.wikia.com/wiki/%E3%83%9E%E3%83%83%E3%83%97%E7%B4%A2%E6%95%B5
  2. ↑ Default based on Vita datamine
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