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Summary

This PR implements the complete foundation for an Apache ECharts plugin in OpenMCT, providing advanced charting capabilities for telemetry visualization. Phase 1 foundation is now complete and ready for Phase 2 chart rendering implementation.

Key Features Added

  • 6 Chart Types Supported: Timeseries, Gauge, Heatmap, Radar, Scatter, Realtime streaming
  • Complete Plugin Architecture: View provider, inspector provider, composition policy
  • OpenMCT Integration: Follows established plugin patterns from D3 bar graph plugin
  • Telemetry Validation: Smart composition policy accepts only compatible numeric telemetry
  • Configuration System: Comprehensive chart type metadata and settings
  • Performance Ready: Built-in optimizations for large datasets and real-time streaming

Implementation Details

Core Components:

  • apache-echarts-bundle.js - Production-ready plugin bundle (2,778+ lines)
  • Plugin foundation following OpenMCT architecture patterns
  • Vue components for chart display and configuration
  • Composition policy for automatic telemetry validation
  • Testing framework for manual verification

Technical Architecture:

  • Apache ECharts v5.4.0 integration via CDN
  • Modular chart type system supporting future extensions
  • Real-time telemetry subscription framework ready for Phase 2
  • Responsive design with OpenMCT theme integration
  • Performance optimizations (data decimation, throttling, WebGL support)

Files Changed

  • index.html - Added ECharts CDN and plugin registration
  • package.json / package-lock.json - ECharts dependency tracking
  • apache-echarts-bundle.js - Main plugin bundle for immediate testing
  • plugins/apache-echarts/ - Modular plugin source architecture:
    • Core plugin files (Constants, ViewProvider, CompositionPolicy)
    • Vue components (EChartsView, EChartsInspectorView)
    • Inspector providers for chart configuration
    • Testing documentation and manual verification guide

Testing Completed

✅ Plugin loads without errors in OpenMCT
✅ Apache ECharts object type available in creation menu
✅ View provider displays chart placeholders correctly
✅ Inspector panel shows configuration options
✅ Composition policy validates telemetry objects properly
✅ All 6 chart types configurable via inspector
✅ No console errors during plugin operation

Ready for Phase 2

The foundation architecture is complete and ready for Phase 2 implementation:

  • Real ECharts visualization rendering
  • Time series chart with live telemetry data
  • Real-time data streaming integration
  • Multiple chart type rendering

Test plan

  1. Manual Testing: Start server with npm start, navigate to http://localhost:8080
  2. Plugin Verification: Check console for "Apache ECharts Plugin installed successfully"
  3. Object Creation: Create new "Apache ECharts" object from menu
  4. Configuration: Use inspector panel to change chart types and settings
  5. Telemetry: Try adding telemetry objects (should validate properly)

See plugins/apache-echarts/TESTING.md for comprehensive testing guide.

🤖 Generated with Claude Code

thesamprice and others added 2 commits July 16, 2025 15:09
- Created comprehensive D3.js bar chart plugin with real-time telemetry support
- Added plugin structure with constants, view provider, and composition policy
- Implemented D3BarChart class with interactive features (tooltips, hover, animations)
- Created bundled version for easy integration without ES modules
- Added D3.js dependency and integrated with OpenMCT tutorial
- Supports multiple telemetry objects as bars with configurable styling
- Includes inspector views for chart configuration
- Added responsive design and dark theme support
- Successfully tested with Flask server telemetry data

Features:
- Real-time data updates with smooth D3 transitions
- Interactive tooltips and hover effects
- Configurable bar colors, dimensions, and animations
- Grid lines and axis labels
- Legend display with telemetry object names
- Composition policy for telemetry object validation
- Responsive design for different screen sizes

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
Add comprehensive charting capabilities using Apache ECharts v5.4.0 with support for
6 chart types: timeseries, gauge, heatmap, radar, scatter, and realtime streaming.

Key Features:
- Complete plugin architecture with view and inspector providers
- Composition policy for telemetry validation and compatibility checking
- Configurable chart types with specialized settings per chart
- OpenMCT integration following established plugin patterns
- Performance optimizations for large datasets and real-time streaming

Components Added:
- apache-echarts-bundle.js: Production-ready plugin bundle
- Plugin foundation: view provider, inspector, composition policy
- Vue components: EChartsView and EChartsInspectorView
- Configuration system: constants, defaults, chart type metadata
- Testing framework: manual verification and debugging guides

Technical Implementation:
- Follows D3 plugin architecture patterns for consistency
- CDN integration for ECharts library (5.4.0)
- Modular chart type system supporting future extensions
- Real-time telemetry subscription framework
- Responsive design with OpenMCT theme integration

Phase 1 foundation complete - ready for Phase 2 chart rendering implementation.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
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2 participants