Welcome to the April 2020 release of swiftplot 2.0.0.

Contributors

This release is the result of three months of work by the talented and dedicated swiftplot development team. Here is a list of the contributors in alphabetical order:

• Ananya Gangavarapu (@anigasan)
• Areeb Gani (@Qwerty71)
• Dhruv Baronia (@boronhub)
• Karl Wagner (@karwa)
• Karthik Ramesh Iyer (@KarthikRIyer)
• Ricardo Nogueira (@odmir)
• William Zhang (@WilliamHYZhang)

Interested in joining the swiftplot development team or want to get in touch with the developers? Take a look at our contribution guidelines. Just interested in following swiftplot's developement and future releases? Follow us on Twitter.

Changelog

⭐️ iOS/tvOS/watchOS Support

swiftplot now has support for all apple platforms including macOS, iOS, tvOS and watchOS through the updated QuartzRenderer.

⭐️ Annotations Support

swiftplot now supports the following plot annotations:

• Arrow
• Text
• Box
• Brackets

⭐️ New Plot type: Heatmap

A new plot has been added Heatmap<T>, that can plot any sequence of any type.

Other bug fixes, changes and improvements

• Move examples to become tests.
• Simplify layout maths by adding Rect and Size primitives.
• Unify graph plot layout and implement new layout algorithm.
• Fix colors in QuartzRenderer.
• Add angled text drawing to QuartzRenderer.
• Use butt linecap style for consistency and fix solid lines that should be dashed in SVGRenderer.
• Add support for external CoreGraphics contexts (e.g. from AppKit/UIKit views).
• Clip LineCharts instead of clamping.
• Make SubPlot a Plot, therefore allowing the creation of nested SubPlots.
• Faster base64 encoding using a non-copying Data object.
• Verify that test output files actually match the reference files.
• Fix base64 PNG rendering.
• Rewrite the drawData implementation and implement better algorithm in Histogram to handle the previously unhandled edge cases.
• Explicitly set font smoothing to true in QuartzRenderer.
• Add Polygon and Polyline types.
• Use color alpha while drawing text in SVG Renderer.
• Fix draw line stroke thickness bug.
• Convert the plots to value types.
• Add new tutorial notebook: Machine Learning with Swift for TensorFlow and SwiftPlot
• LineGraph layout data calculation fixes.
• Add instructions for use of swiftplot in Google Colab.
• Add Support for Coordinate Conversion between different coordinate spaces.
• Update AGG version to 2.6.
• Add single renderer function to draw rectangles.
• Add Anchor Support for Annotations.
• Add some advanced Arrow Annotation features.
• Add instructions to setup Docker container for swift-jupyter and swiftplot.
• Add renderer function to draw solid ellipses.
• Performance improvements to recalculate bins in Histogram.