Generators, Components, and LayoutsSymbolsUsing D3 Built-InsCustom SymbolsSVG Fragments as SymbolsLines and CurvesBuilt-In CurvesCustom CurvesCircles, Arcs, and Pie Charts: Working with LayoutsOther ShapesWriting Your Own ComponentsA Simple ComponentWorking with ComponentsA Component to Save KeystrokesSVG Transformations as Components