Tradingview Pine script - top/bottom padding/spacing for custom indicator?

2 min read 06-10-2024
Tradingview Pine script - top/bottom padding/spacing for custom indicator?


Mastering Spacing and Padding in TradingView Pine Script: Elevate Your Custom Indicator's Visual Appeal

The Problem: A Cluttered Chart is a Frustrated Trader

Creating a custom indicator in TradingView's Pine Script can be incredibly empowering. However, a common frustration arises when the indicator's output overlaps with the chart's price data, creating a cluttered and confusing visual. This is where understanding and leveraging padding and spacing in your Pine Script code becomes crucial.

The Solution: Fine-Tuning with offset and extend

Let's dive into a simple scenario: You've built a custom indicator that displays a moving average. You want to ensure that this average line doesn't overlap with the candlestick bodies or the price scale.

Here's a basic example of a moving average indicator:

//@version=5
indicator(title="My Moving Average", shorttitle="MyMA", overlay=true)

ma = ta.sma(close, 20)

plot(ma, color=color.blue, linewidth=2, title="Simple Moving Average")

This code simply calculates a 20-period Simple Moving Average (SMA) and plots it directly on the chart. To adjust the spacing, we'll introduce two key parameters: offset and extend.

1. offset: This parameter controls the vertical positioning of the indicator. A positive value shifts the indicator upwards, while a negative value shifts it downwards.

2. extend: This parameter determines how the indicator interacts with the chart's edge. extend.none (default) keeps the indicator within the chart's bounds. extend.right extends the indicator to the right edge of the chart.

Example: Adding Padding to Our Moving Average

Here's how we can add padding to the example above:

//@version=5
indicator(title="My Moving Average", shorttitle="MyMA", overlay=true)

ma = ta.sma(close, 20)

plot(ma, color=color.blue, linewidth=2, title="Simple Moving Average", offset=5, extend=extend.right) 

This code now plots the moving average 5 units above the price scale and extends it to the right edge of the chart.

Advanced Control: Mastering style

The style parameter allows you to customize the appearance of your indicator beyond just positioning. You can choose between:

  • style.line: A solid line.
  • style.dashed: A dashed line.
  • style.dotted: A dotted line.
  • style.circles: Circles plotted at each data point.
  • style.histogram: A bar graph.

Here's an example using style.circles:

//@version=5
indicator(title="My Moving Average", shorttitle="MyMA", overlay=true)

ma = ta.sma(close, 20)

plot(ma, color=color.blue, linewidth=2, title="Simple Moving Average", offset=5, extend=extend.right, style=style.circles) 

This code plots the moving average as blue circles.

Key Considerations for Optimal Spacing

  • Context is King: The ideal padding and spacing will depend on your specific indicator and the chart's visual layout. Experiment with different values to find the best fit.
  • Chart Type Matters: Padding might be more critical for candlestick charts compared to line charts.
  • Indicator Type: Some indicators, like histograms, might benefit from specific style settings for visual clarity.

Conclusion: A Polished Look for Your Indicators

Mastering padding and spacing in your Pine Script code can transform your custom indicators from cluttered to elegant. By using the offset, extend, and style parameters, you gain control over the visual placement and style of your indicators, ultimately enhancing your chart's readability and your trading experience.