Chanlun - Strokes & Central Zones

Chanlun Indicator - Strokes and Central Zones

This indicator implements Chan lun's core concepts:
Bi (Stroke): Basic price movement units formed by local highs and lows
Zhongshu (Central Zone): Overlapping areas formed by at least 3 strokes
Extension Lines: Visual guides for the latest central zone boundaries

Key Features:
Automatic stroke identification based on local extremes
Central zone detection with customizable colors
Extension lines for latest central zone (upper/lower bounds)
Separate colors for strokes within central zones
Price labels on the axis for zone boundaries

Settings:
Max Bars: Maximum K-lines to analyze (default: 4900)
Lookback Period: Period for finding local extremes (default: 5)
Min Gap Bars: Minimum bars between strokes (default: 4)
Customizable colors for strokes, zones, and extension lines