Summary

What is Perspective

Concepts

• Data Architecture
  • Client-only
  • Client/Server replicated
  • Server only
• Virtual Servers
• Table
  • Schema and column types
  • Loading data
  • Construct an empty Table from a schema
  • index and limit options
  • update() and remove() streaming methods
  • clear() and replace() start-over methods
• View
  • Querying data
    • Grouping and Pivots
    • Selection and Ordering
    • expressions
    • Window Columns
  • Advanced View Operations
• Join
  • Join Types
  • Join Options
  • Reactivity and Constraints

JavaScript

• Installation and Module Structure
• Importing with or without a bundler
• perspective data engine library
  • Serializing data
  • Cleaning up resources
  • Hosting a WebSocketServer in Node.js
  • Customizing perspective.worker()
  • Joining Tables
• perspective-viewer Custom Element library
  • Loading data
  • Theming
  • Saving and restoring UI state
  • Listening for events
  • Plugin render limits
  • Map tile sources
  • Configuring the LLM agent
• Virtual Servers
  • DuckDB
  • ClickHouse
  • Custom
• React Component

Python

• Overview
• Installation
• Loading data into a Table
  • pandas, polars and pyarrow integration
• Callbacks and events
• Multithreading
• Hosting a WebSocket server
• Joining Tables
• PerspectiveWidget for JupyterLab
• Virtual Servers
  • DuckDB
  • ClickHouse
  • Polars
  • PostgreSQL
  • Custom

Rust

• Getting Started

Tutorials

• A tornado server in Python

API Reference

• API Reference

FAQ

• FAQ