Documentation Index

Quick Search

Press Ctrl + K or / to quickly search through the documentation

Online Examples

All examples are available online: Live Demo{target="_blank"}

Getting Started

Document	Description
Introduction	WebCAD overview and core features
Quick Start	Quick start tutorial
Architecture	System architecture and module relationships

Basic Examples

Document	Description
Basic Examples	Initialization, loading, Viewer mode and other basic features
Comprehensive Examples	Complete application scenario examples

Core Concepts

Document	Description
Engine	CAD engine core class
Document	Drawing document management
Coordinate System	Coordinate systems and transformations

Creating Entities

Document	Description
Entity Overview	All entity types and example links
Entity Base Class	Base class and common properties for all entities
Custom Entities	Creating custom entity types

Basic Geometry Entities

Document	Description
Line	Line entity
Circle	Circle entity
Arc	Arc entity
Polyline	Polyline entity
Ellipse	Ellipse entity
Spline	Spline curve entity
Ray & XLine	Ray and infinite construction line
Dot	Dot entity
Hatch	Hatch pattern
Solid	Solid fill region

Text Entities

Document	Description
Text	Single-line text entity
MText	Multi-line rich text entity

Blocks & Images

Document	Description
Insert	Block insert entity
Block Definition	Block definition and management
Image	Image entity

Properties

Document	Description
Property Operations	Color, layer, linetype, lineweight, transparency settings

Edit Operations

Document	Description
Edit Operations	Move, copy, rotate, scale, mirror, delete operations
Edit Commands	COPY, MOVE, ROTATE commands

Layer Management

Document	Description
Layer Management	Layer creation, switching, visibility, freeze, lock
Layer Details	Layer system detailed explanation
Layer Commands	Layer-related commands

Geometry

Document	Description
Geometry Calculations	Distance, angle, intersection, area calculations
Point2d	2D point class
BoundingBox	Bounding rectangle calculations
Calculations	Distance, angle calculations
Intersection	Entity intersection detection
Selection Algorithms	Point and window selection algorithms
Boundary	Closed boundary detection
Area	Area calculation methods
Spline	Spline curve algorithms

Events

Document	Description
Event Handling	Entity, document, command event listeners
Event Types	Supported event type list
Event Usage	Event listening and handling

Reactor System

Document	Description
Reactors	Entity association and constraints
Reactor Details	Reactor mechanism and usage

User Input

Document	Description
User Input	getPoint, getSelections and other input methods
Input System	Command input mechanism
Point Input	Point coordinate input

Insert Graphics

Document	Description
Insert Graphics	Symbol library, SVG import, image vectorization

Command Development

Document	Description
Command Development	Custom command development guide
Command Basics	Command system introduction
Command Architecture	Command system architecture
Create Command	Creating custom commands
Undo/Redo	Command undo/redo
Preview Drawing	Real-time preview drawing
Command Patterns	Common command patterns
Best Practices	Command development best practices
API Reference	Command API reference

Built-in Command Reference

Document	Description
Command Quick Ref	All commands quick reference
Drawing Commands	LINE, CIRCLE, ARC, etc.
Modify Commands	TRIM, EXTEND, FILLET, etc.
Block Commands	Block operation commands
Symbol Commands	Symbol library commands
Dimension Commands	Dimension annotation commands
Text Commands	Text editing commands
Inquiry Commands	Distance, area inquiry
System Commands	Settings, options commands
Import Commands	Import/export commands
Property Commands	Property editing commands
Script Execution	Script execution
Code Execution	Code execution interface

View Operations

Document	Description
View Operations	Zoom, pan, redraw, coordinate transformations
View Commands	Zoom, pan commands

Selection

Document	Description
Selection Operations	Set/get selection sets, filter by type/condition
Entity Selection	Selection set operations in detail

Undo/Redo

Document	Description
Undo/Redo	undo/redo, undo marks, undo groups
Undo/Redo Details	Undo/redo mechanism

UI Extensions

Document	Description
UI Extensions	Ribbon, context menu, dialog customization
Ribbon	Ribbon interface customization
Context Menu	Context menu extensions
Icons	Icon usage and customization
Dialogs	Dialog components
Pickers	Color, layer pickers
Controls	UI control components
Preview View	Preview window component
Viewer Mode	Read-only viewer mode
Map Overlay	CAD map overlay display

Plugin Development

Document	Description
Plugin Development	Plugin system overview and examples
Plugin Basics	Plugin development introduction
Plugin Context	Plugin context and API
Menu & Ribbon	Custom menus and Ribbon
Plugin Examples	Complete plugin examples

File Operations

Document	Description
File Operations	Open, save, import, export
File Operations Details	File operations detailed explanation

Tile Editing

Document	Description
Tile Editing	Opening and editing large drawings in tile mode
Tile Mode	Tile mode detailed explanation

Version Control

Document	Description
Version Control	Branching, patches, merging, conflict resolution
Versioning	Version control detailed explanation

Smart Recognition

Document	Description
Smart Recognition	Table extraction and other smart features
Table Extraction	Table data extraction API

API Reference

Document	Description
API Overview	API reference introduction
Symbol API	Symbol library API