vizzu/CHANGELOG.md

Vizzu is a free, open-source Javascript/C++ library utilizing a generic dataviz engine that generates many types of charts and seamlessly animates between them. It can be used to create static charts but more importantly it is designed for building animat

# Changelog

## [0.7.1] - 2023-02-24

### Fixed

- Title animation timing on first chart fixed.

## [0.7.0] - 2023-02-23

### Fixed

- Fixed the UnPivot.convert method not modifying the original data object.
- Axis line, labels, ticks, interlacing and guide can be set to auto.
- Simple fade in case of empty target chart
- Fixed length serialization in style() for % unit.
- Fixed missing rendering update when duration is 0 in first animate call. 
- Fixed error on multiple calls of the JS chart's 'data' property.
- Fixed disapearing title from empty charts.
- Fixed animation cancelling, did not trigger promise rejection.
- Fixed chart state reset on animation cancel. Used the target chart's config 
  further on despite the cancellation.
- Fixed the type definition of Snapshot in the d.ts file.

### Added

- 'regroupStrategy' animation option introduced to control the algorithm for 
  transitioning between charts having the data grouped differently on them 
  (containing a different set of categorical dataseries).
- Multi keyframe animation support (one animation through multiple chart).
- 'style' property returns the style object only filled with the user-set 
  values, all the values (returned by this property till 0.6.x) can be get
  using the new 'getComputedStyle()' method.
- detach() method added to JS API for enabling proper garbage collection.
- Actual animation can be stored for later reuse through Anim.Control.store()
  method.
- animate() returned promise is not an animation controller object from now on,
  but has a member promise called 'activated', which resolves to the controller.
- New style parameter, 'numberScale' has been introduced for setting the scale 
  system for big numbers e.g.: K M B T or k m bn tn.
- Improved default options for animations: marker geometry, marker fade-in,
  marker position, coordinate system, title.

## [0.6.1] - 2022-11-22

### Fixed

- Treemap fixed for data series containing negative values.

### Added

- Transition (instead of fade) between chart showing different categorical 
  dataseries.

## [0.6.0] - 2022-10-18

### Fixed

- Label side parameter animation fixed.
- Parsing color palette string containing space fixed.
- Fixed fontStyle change triggers animation now.
- Fixed label angle setting with deg/grad/turn units.
- Eliminated unnecessary turns in Label angle animation.
- Fixed animation section wise easing settings.
- Area/line marker label fade-in/out fixed.
- Rare missing marker on polar scatterplot fixed.
- Markers drawn even if data point is outside of the plot, 
  if the marker intersects it.
- Fixed unwanted partial fade of non-changing legend when switched
  between auto and explicit value.
- Area/Line fade easing base made linear.
- Fixed missing last interlacing lane in negative chart areas

### Added

- Axis line, labels, ticks, interlacing and guide can be switched on/off 
  via channel config parameters.
- Padding defaults changed.
- Marker labels added for some presets.

## [0.5.2] - 2022-08-29

### Fixed

- Marker guides switch off on polar scatterplots for performance purposes.
- Fixed unintentional size change of circle markers during polar-cartesian 
  coordinate system change and animation from/to treemap.
- Fixed line width animation when geometry is changing.
- Removed unwanted move around of marker linking first and last data point in
  polar coordinates during animation. 

## [0.5.1] - 2022-07-14

### Fixed

- Typescript declaration files fixed. 

## [0.5.0] - 2022-07-13

### Fixed

- Allow more than 5 colors in TS color palette and gradient declaration. 
  The format won`t be checked in compile time, only in runtime.
- animation-begin event called after actual animation is set up.
- Animation control methods take effect immediately.
- Wrong orientation after switching from circle geometry fixed.

### Added

- Presets introduced for specific chart types.
- cancel() method added for animation causing the animation to reset back to 
  the start position and rejecting the animation promise.
- Data series can be reset with new values, previously any attempt to set
  series with existing name resulted in error.
- Logging and rendering can be switched on/off through feature() method.
- position animation parameter for setting starting position of the animation.
- data property of the chart in JS API contains metadata about the data set.

## [0.4.8] - 2022-06-30

### Fixed

- styles property of Vizzu class on JS API fixed (renamed to style).

## [0.4.7] - 2022-03-18

### Fixed

- Runtime problem fixed for stacked charts.

## [0.4.6] - 2022-03-12

### Fixed

- Fixed Vizzu.options() function signature in .d.ts file.

## [0.4.5] - 2022-03-11

### Fixed

- Fixed canvas border clean on transparent background.

### Added

- URL of Wasm binary can be overriden using `Vizzu.options({ wasmUrl })`.

## [0.4.4] - 2022-03-10

### Fixed

- User friendly error when methods called on unitialized library.
- API throws exception instead of console log.

### Added

- Mouse event data contains mouse coordinates in plot coordinate system.
- Mouse wheel event introduced.

## [0.4.3] - 2022-01-31

### Fixed

- Transparent interlacing color prevented axis title draw - fixed.

### Added

- 3 hex character CSS color format support.
- Vizzu logo is a link to the lib's web page.

## [0.4.2] - 2021-12-22

### Fixed

- Fixed error on chart.animate({ style: null })

## [0.4.1] - 2021-12-22 - deprecated

## [0.4.0] - 2021-12-21

### Fixed

- Marker label fade-in/fade-out fixed, values are interpolated only if measure 
  is not changed on label channel.

### Added

- animate() method returns an animation control object, 
  animation control methods are chainable.
- CSS properties can be used to style vizzu charts
  E.g. `--vizzu-plot-marker-colorPalette: whatever` for `{style: {plot: {marker: {colorPalette: "whatever"}}}}`
- `maxFractionDigits` style parameter added to labels showing numbers.
- WASM build size reduction.

## [0.3.3] - 2021-10-17

### Fixed

- NPM package and d.ts file fixed for TypeScript projects.

## [0.3.2] - 2021-10-15

### Fixed

- Color range legend labels show min/max of color range instead of data min/max.
- Logo bottom padding fixed.

### Added

- Parts of markers outside of plot area are getting clipped. This behaviour can 
  be controlled by style.plot.overflow parameter.
- channel title parameter has "auto" value by default. "null" will switch the
  title off.

## [0.3.1] - 2021-09-24

### Fixed

- Data cube input recognition runtime error fixed.

## [0.3.0] - 2021-09-23

### Added

- First public release