N Pattern

This indicator looks for N patterns on the chart and illustrates them.
It predicts the future point D from the most recent point C and the past points A and B.

Settings:
Pivot Right bar / Pivot Left bar
Pivot settings.

Lookback
Go back a specified number of bars to find point A.
When point A is found, the opposite vertex in between is point B.

Nearest Bars Count
If the most recent C point and the previous C point are too close, the previous C point will be hidden.
Specify the number of bars to determine if they are too close.

Objectives
There are three types of D points, which are future prices.
Each can be shown or hidden.

Support/Resistance
Draw a line extending horizontally from point B as a support line or resistance line.

Versionsinformation:

Changed the option "nearest_count"
0: All lines will be visible.
1: Lines with point A in common will be hidden.
2~: Lines with point C in the specified period will be hidden.

Versionsinformation:

Changed the calculation of line lengths for support and resistance lines.
It is calculated from the longer of the A-B and B-C periods.

Versionsinformation:

• Added labels "OP" "COP" "XOP"
  

Versionsinformation:

• Added P point.
  

Versionsinformation:

Codes refactoring

Versionsinformation:

• Migrated to pine script v5
  
• Updated the debug messages.
  

Versionsinformation:

• Added C-P line