AppPear/ChartView
ChartView
ChartView is a SwiftUI-native charting library that provides bar, line, pie, and ring chart components within a unified grid-based layout system. The library renders charts by composing SwiftUI views declaratively from data models, letting the framework handle layout and updates without intermediate drawing layers.
The library supports multiple chart types that share a common grid layout, enabling composable data visualizations with synchronized axes and backgrounds. Bar charts display data as vertical bars, line charts plot connected data points with gradient fills and optional markers, pie charts show proportional data as circular segments, and rings charts display concentric ring segments for multi-series comparison. Mixed chart types can combine multiple chart types within a single grid layout.
Chart configuration includes axis label placement at user-specified positions and configurable horizontal and vertical grid lines layered behind chart content for readability. The library builds chart views by mapping data arrays directly to SwiftUI view hierarchies, with geometric calculations for bar positioning, line paths, pie slice angles, and concentric ring arcs.
Features
- SwiftUI Chart Renderers - Builds custom charts and data visualizations directly in SwiftUI without external charting libraries.
- Bar Charts - Displays data as vertical bars that compose with other chart types in a shared grid.
- SwiftUI - Provides a SwiftUI bar chart component that displays vertical bars alongside other chart types in a shared layout.
- Pie Charts - Shows proportional data as a circular segmented chart.
- SwiftUI - Provides a SwiftUI-native pie chart component that renders proportional data as circular segments.
- Data Visualization - Provides a SwiftUI-native data visualization component that renders multiple chart types within a single composable grid view.
- Ring Charts - Displays data as concentric ring segments for multi-series comparison.
- SwiftUI - Delivers a SwiftUI-native ring chart component with concentric ring segments for multi-series data comparison.
- Mixed Chart Types - Combines multiple chart types within a single grid layout for composable data visualizations.
- Multi-Chart Type Libraries - Combines different chart types like bar, line, and pie charts within a single coordinated view layout.
- Declarative Chart Rendering - Renders charts by composing SwiftUI views declaratively from data models, letting the framework handle layout and updates.
- Fixed Grid Arrangements - Arranges multiple chart views in a grid with shared axes and background grids for comparison.
- SwiftUI - Provides a SwiftUI-native library for building bar, line, pie, and ring charts with customizable grids and axis labels.
- Data-Driven View Mappings - Builds chart views by mapping data arrays directly to SwiftUI view hierarchies without intermediate drawing layers.
- Line Charts - Plots data points as a connected line with customizable gradients and optional markers.
- SwiftUI - Ships a SwiftUI-native line chart component with gradient fills and optional markers for data trend visualization.
- Grid Layout Engines - Positions chart elements using a shared coordinate grid that aligns bars, lines, and labels within a single view.
- Axis Labeling - Places custom X-axis labels at user-specified positions along the chart grid baseline.
- Grid Backgrounds - Draws configurable horizontal and vertical grid lines behind chart content for readability.
- Data Visualization - Effortless display of charts in Swift.
- UI Components and Libraries - Animated bar and pie chart visualization components.
- Open Source Applications - Charting library and example implementation for SwiftUI.
Star history
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