D3.js 4.0.0发布，可视化JS库

D3.js 4.0.0 发布，更新如下：

颜色，插值器 和 秤

• Colors now have opacity (rgba, hsla, etc.).

• New Cubehelix color space.

• New sequential color scales, including Viridis and cyclical Rainbow.

• New point and band scales replace ordinal.rangeBands and ordinal.rangePoints.

• New basis spline interpolators (e.g., continuous ColorBrewer schemes).

形状 和 布局

• Shapes (e.g., lines, areas, arcs) can now render to Canvas.

• Fixed cardinal and monotone splines.

• Added parameterized Catmull–Rom and natural splines.

• New deterministic, extensible velocity Verlet force layout.

• New circle-packing layout!

• New extensible treemap layout; improved squarified treemaps; added binary treemaps.

• New d3.stratify for tabular hierarchical data.

• New faster, mutable, non-recursive quadtrees.

• Voronoi diagrams now expose topological information.

选择，转换， 舒缓 和 定时器

• Selections and transitions are now immutable, providing a cleaner interface.

• New selection.raise, selection.lower and selection.dispatch methods.

• Time is now frozen in the background, avoiding unintended effort.

• Timers can now be stopped externally.

• Transitions can now interpolate CSS transforms (in addition to SVG transforms).

• You can now cancel transitions using selection.interrupt.

• Easier transition chaining thanks to new d3.active and changed transition.delay.

• Better performance for homogenous transitions (e.g., shared interpolators across elements).

• Better state persistence and enforcement for transitions.

• Fixed elastic and bounce easing.

更多

• Better default axis appearance.

• Better brush interaction.

• Built-in asynchronous queue for loading files in parallel.

• New low-level d3.ticks API.

下载地址：

• d3.zip

• Source code (zip)

• Source code (tar.gz)