D3js-API介绍【英】

Everything in D3 is scoped under the d3 namespace.





D3 uses semantic versioning. You can find the current version of D3 as d3.version.





See one of:





Behaviors - reusable interaction behaviors

Core - selections, transitions, data, localization, colors, etc.

Geography - project spherical coordinates, latitude & longitude math

Geometry - utilities for 2D geometry, such as Voronoi diagrams and quadtrees

Layouts - derive secondary data for positioning elements

Scales - convert between data and visual encodings

SVG - utilities for creating Scalable Vector Graphics

Time - parse or format times, compute calendar intervals, etc.

d3 (core)





Selections





d3.event - access the current user event for interaction.

d3.mouse - gets the mouse position relative to a specified container.

d3.select - select an element from the current document.

d3.selectAll - select multiple elements from the current document.

d3.selection - augment the selection prototype, or test instance types.

d3.touch - gets a touch position relative to a specified container.

d3.touches - gets the touch positions relative to a specified container.

selection.append - create and append new elements.

selection.attr - get or set attribute values.

selection.call - call a function passing in the current selection.

selection.classed - add or remove CSS classes.

selection.data - get or set data for a group of elements, while computing a relational join.

selection.datum - get or set data for individual elements, without computing a join.

selection.each - call a function for each selected element.

selection.empty - returns true if the selection is empty.

selection.enter - returns placeholders for missing elements.

selection.exit - returns elements that are no longer needed.

selection.filter - filter a selection based on data.

selection.html - get or set inner HTML content.

selection.insert - create and insert new elements before existing elements.

selection.interrupt - immediately interrupt the current transition, if any.

selection.node - returns the first node in the selection.

selection.on - add or remove event listeners for interaction.

selection.order - reorders elements in the document to match the selection.

selection.property - get or set raw properties.

selection.remove - remove elements from the document.

selection.select - subselect a descendant element for each selected element.

selection.selectAll - subselect multiple descendants for each selected element.

selection.size - returns the number of elements in the selection.

selection.sort - sort elements in the document based on data.

selection.style - get or set style properties.

selection.text - get or set text content.

selection.transition - start a transition on the selected elements.

Transitions





d3.ease - customize transition timing.

d3.timer - start a custom animation timer.

d3.interpolate - interpolate two values.

d3.interpolateArray - interpolate two arrays of values.

d3.interpolateHcl - interpolate two HCL colors.

d3.interpolateHsl - interpolate two HSL colors.

d3.interpolateLab - interpolate two L*a*b* colors.

d3.interpolateNumber - interpolate two numbers.

d3.interpolateObject - interpolate two arbitrary objects.

d3.interpolateRgb - interpolate two RGB colors.

d3.interpolateRound - interpolate two integers.

d3.interpolateString - interpolate two strings.

d3.interpolateTransform - interpolate two 2D matrix transforms.

d3.interpolateZoom - zoom and pan between two points smoothly.

d3.interpolators - register a custom interpolator.

d3.timer.flush - immediately execute any zero-delay timers.

d3.transition - start an animated transition.

ease - a parametric easing function.

interpolate - a parametric interpolation function.

transition.attr - smoothly transition to the new attribute value.

transition.attrTween - smoothly transition between two attribute values

transition.call - call a function passing in the current transition.

transition.delay - specify per-element delay in milliseconds.

transition.duration - specify per-element duration in milliseconds.

transition.each - add a listener for transition end events.

transition.ease - specify transition easing function.

transition.empty - returns true if the transition is empty.

transition.filter - filter a transition based on data.

transition.node - returns the first node in the transition.

transition.remove - remove selected elements at the end of a transition.

transition.select - start a transition on a descendant element for each selected element.

transition.selectAll - start a transition on multiple descendants for each selected element.

transition.size - returns the number of elements in the selection.

transition.style - smoothly transition to the new style property value.

transition.styleTween - smoothly transition between two style property values.

transition.text - set the text content when the transition starts.

transition.transition - when this transition ends, start another one on the same elements.

transition.tween - specify a custom tween operator to run as part of the transition.

Working with Arrays





d3.ascending - compare two values for sorting.

d3.bisectLeft - search for a value in a sorted array.

d3.bisector - bisect using an accessor or comparator.

d3.bisectRight - search for a value in a sorted array.

d3.bisect - search for a value in a sorted array.

d3.descending - compare two values for sorting.

d3.deviation - compute the standard deviation of an array of numbers.

d3.entries - list the key-value entries of an associative array.

d3.extent - find the minimum and maximum value in an array.

d3.keys - list the keys of an associative array.

d3.map - a shim for ES6 maps, since objects are not hashes!

d3.max - find the maximum value in an array.

d3.mean - compute the arithmetic mean of an array of numbers.

d3.median - compute the median of an array of numbers (the 0.5-quantile).

d3.merge - merge multiple arrays into one array.

d3.min - find the minimum value in an array.

d3.nest - group array elements hierarchically.

d3.pairs - returns an array of adjacent pairs of elements.

d3.permute - reorder an array of elements according to an array of indexes.

d3.quantile - compute a quantile for a sorted array of numbers.

d3.range - generate a range of numeric values.

d3.set - a shim for ES6 sets, since objects are not hashes!

d3.shuffle - randomize the order of an array.

d3.sum - compute the sum of an array of numbers.

d3.transpose - transpose an array of arrays.

d3.values - list the values of an associated array.

d3.variance - compute the variance of an array of numbers.

d3.zip - transpose a variable number of arrays.

map.empty - returns false if the map has at least one entry.

map.entries - returns the map’s array of entries (key-values objects).

map.forEach - calls the specified function for each entry in the map.

map.get - returns the value for the specified key.

map.has - returns true if the map contains the specified key.

map.keys - returns the map’s array of keys.

map.remove - removes the entry for specified key.

map.set - sets the value for the specified key.

map.size - returns the number of entries in the map.

map.values - returns the map’s array of values.

nest.entries - evaluate the nest operator, returning an array of key-values tuples.

nest.key - add a level to the nest hierarchy.

nest.map - evaluate the nest operator, returning an associative array.

nest.rollup - specify a rollup function for leaf values.

nest.sortKeys - sort the current nest level by key.

nest.sortValues - sort the leaf nest level by value.

set.add - adds the specified value.

set.empty - returns true if the set has at least one value.

set.forEach - calls the specified function for each value in the set.

set.has - returns true if the set contains the specified value.

set.remove - removes the specified value.

set.size - returns the number of values in the set.

set.values - returns the set’s array of values.

Math





d3.random.bates - generate a random number with a Bates distribution.

d3.random.irwinHall - generate a random number with an Irwin–Hall distribution.

d3.random.logNormal - generate a random number with a log-normal distribution.

d3.random.normal - generate a random number with a normal distribution.

d3.transform - compute the standard form of a 2D matrix transform.

Loading External Resources





d3.csv - request a comma-separated values (CSV) file.

d3.html - request an HTML document fragment.

d3.json - request a JSON blob.

d3.text - request a text file.

d3.tsv - request a tab-separated values (TSV) file.

d3.xhr - request a resource using XMLHttpRequest.

d3.xml - request an XML document fragment.

xhr.abort - abort an outstanding request.

xhr.get - issue a GET request.

xhr.header - set a request header.

xhr.mimeType - set the Accept request header and override the response MIME type.

xhr.on - add an event listener for "progress", "load" or "error" events.

xhr.post - issue a POST request.

xhr.response - set a response mapping function.

xhr.send - issue a request with the specified method and data.

String Formatting





d3.format - format a number as a string.

d3.formatPrefix - returns the SI prefix for the specified value and precision.

d3.requote - quote a string for use in a regular expression.

d3.round - rounds a value to some digits after the decimal point.

CSV Formatting (d3.csv)





d3.csv.formatRows - format an array of tuples into a CSV string.

d3.csv.format - format an array of objects into a CSV string.

d3.csv.parseRows - parse a CSV string into tuples, ignoring the header row.

d3.csv.parse - parse a CSV string into objects using the header row.

d3.csv - request a comma-separated values (CSV) file.

d3.dsv - create a parser/formatter for the specified delimiter and mime type.

d3.tsv.formatRows - format an array of tuples into a TSV string.

d3.tsv.format - format an array of objects into a TSV string.

d3.tsv.parseRows - parse a TSV string into tuples, ignoring the header row.

d3.tsv.parse - parse a TSV string into objects using the header row.

d3.tsv - request a tab-separated values (TSV) file.

Localization





d3.locale - create a new locale using the specified strings.

locale.numberFormat - create a new number formatter.

locale.timeFormat - create a new time formatter / parser.

Colors





d3.hcl - specify a color in HCL space.

d3.hsl - specify a color in HSL space.

d3.lab - specify a color in L*a*b* space.

d3.rgb - specify a color in RGB space.

hcl.brighter - increase lightness by some exponential factor (gamma).

hcl.darker - decrease lightness by some exponential factor (gamma).

hcl.rgb - convert from HCL to RGB.

hcl.toString - convert an HCL color to a string.

hsl.brighter - increase lightness by some exponential factor (gamma).

hsl.darker - decrease lightness by some exponential factor (gamma).

hsl.rgb - convert from HSL to RGB.

hsl.toString - convert an HSL color to a string.

lab.brighter - increase lightness by some exponential factor (gamma).

lab.darker - decrease lightness by some exponential factor (gamma).

lab.rgb - convert from L*a*b* to RGB.

lab.toString - convert a L*a*b* color to a string.

rgb.brighter - increase RGB channels by some exponential factor (gamma).

rgb.darker - decrease RGB channels by some exponential factor (gamma).

rgb.hsl - convert from RGB to HSL.

rgb.toString - convert an RGB color to a string.

Namespaces





d3.ns.prefix - access or extend known XML namespaces.

d3.ns.qualify - qualify a prefixed name, such as "xlink:href".

Internals





d3.dispatch - create a custom event dispatcher.

d3.functor - create a function that returns a constant.

d3.rebind - rebind an inherited getter/setter method to a subclass.

dispatch.on - register or unregister an event listener.

dispatch.type - dispatch an event to registered listeners.

d3.scale (Scales)





Quantitative





d3.scale.identity - construct a linear identity scale.

d3.scale.linear - construct a linear quantitative scale.

d3.scale.log - construct a quantitative scale with an logarithmic transform.

d3.scale.pow - construct a quantitative scale with an exponential transform.

d3.scale.quantile - construct a quantitative scale mapping to quantiles.

d3.scale.quantize - construct a linear quantitative scale with a discrete output range.

d3.scale.sqrt - construct a quantitative scale with a square root transform.

d3.scale.threshold - construct a threshold scale with a discrete output range.

identity.copy - create a new scale from an existing scale.

identity.domain - get or set the scale's domain and range.

identity.invert - equivalent to identity; the identity function.

identity.range - equivalent to identity.domain.

identity.tickFormat - get a formatter for displaying tick values.

identity.ticks - get representative values from the domain.

identity - the identity function.

linear.clamp - enable or disable clamping of the output range.

linear.copy - create a new scale from an existing scale.

linear.domain - get or set the scale's input domain.

linear.interpolate - get or set the scale's output interpolator.

linear.invert - get the domain value corresponding to a given range value.

linear.nice - extend the scale domain to nice round numbers.

linear.rangeRound - set the scale's output range, and enable rounding.

linear.range - get or set the scale's output range.

linear.tickFormat - get a formatter for displaying tick values.

linear.ticks - get representative values from the input domain.

linear - get the range value corresponding to a given domain value.

log.clamp - enable or disable clamping of the output range.

log.copy - create a new scale from an existing scale.

log.domain - get or set the scale's input domain.

log.interpolate - get or set the scale's output interpolator.

log.invert - get the domain value corresponding to a given range value.

log.nice - extend the scale domain to nice powers of ten.

log.rangeRound - set the scale's output range, and enable rounding.

log.range - get or set the scale's output range.

log.tickFormat - get a formatter for displaying tick values.

log.ticks - get representative values from the input domain.

log - get the range value corresponding to a given domain value.

pow.clamp - enable or disable clamping of the output range.

pow.copy - create a new scale from an existing scale.

pow.domain - get or set the scale's input domain.

pow.exponent - get or set the exponent power.

pow.interpolate - get or set the scale's output interpolator.

pow.invert - get the domain value corresponding to a given range value.

pow.nice - extend the scale domain to nice round numbers.

pow.rangeRound - set the scale's output range, and enable rounding.

pow.range - get or set the scale's output range.

pow.tickFormat - get a formatter for displaying tick values.

pow.ticks - get representative values from the input domain.

pow - get the range value corresponding to a given domain value.

quantile.copy - create a new scale from an existing scale.

quantile.domain - get or set the scale's input domain (as discrete values).

quantile.invertExtent - get the domain values for the specified range value.

quantile.quantiles - get the scale's quantile bin thresholds.

quantile.range - get or set the scale's output range (as discrete values).

quantile - get the range value corresponding to a given domain value.

quantize.copy - create a new scale from an existing scale.

quantize.domain - get or set the scale's input domain.

quantize.invertExtent - get the domain values for the specified range value.

quantize.range - get or set the scale's output range (as discrete values).

quantize - get the range value corresponding to a given domain value.

threshold.copy - create a new scale from an existing scale.

threshold.domain - get or set the scale's input domain.

threshold.invertExtent - get the domain values for the specified range value.

threshold.range - get or set the scale's output range (as discrete values).

threshold - get the range value corresponding to a given domain value.

Ordinal





d3.scale.category10 - construct an ordinal scale with ten categorical colors.

d3.scale.category20b - construct an ordinal scale with twenty categorical colors.

d3.scale.category20c - construct an ordinal scale with twenty categorical colors.

d3.scale.category20 - construct an ordinal scale with twenty categorical colors.

d3.scale.ordinal - construct an ordinal scale.

ordinal.copy - create a new scale from an existing scale.

ordinal.domain - get or set the scale's input domain.

ordinal.rangeBands - divide a continuous output range for discrete bands.

ordinal.rangeBand - get the discrete range band width.

ordinal.rangeExtent - get the minimum and maximum values of the output range.

ordinal.rangePoints - divide a continuous output range for discrete points.

ordinal.rangeRoundBands - divide a continuous output range for discrete bands.

ordinal.rangeRoundPoints - divide a continuous output range for discrete points.

ordinal.range - get or set the scale's output range.

ordinal - get the range value corresponding to a given domain value.

d3.svg (SVG)





Shapes





arc.centroid - compute the arc centroid.

arc.cornerRadius - get or set the corner radius accessor.

arc.endAngle - get or set the end angle accessor.

arc.innerRadius - get or set the inner radius accessor.

arc.outerRadius - get or set the outer radius accessor.

arc.padAngle - get or set the pad angle accessor.

arc.padRadius - get or set the pad radius accessor.

arc.startAngle - get or set the start angle accessor.

arc - generate a solid arc, as in a pie or donut chart.

area.angle - get or set the angle accessors.

area.defined - control whether the area is defined at a given point.

area.defined - control whether the area is defined at a given point.

area.endAngle - get or set the angle (topline) accessor.

area.innerRadius - get or set the inner radius (baseline) accessor.

area.interpolate - get or set the interpolation mode.

area.outerRadius - get or set the outer radius (topline) accessor.

area.radius - get or set the radius accessors.

area.startAngle - get or set the angle (baseline) accessor.

area.tension - get or set the cardinal spline tension.

area.x0 - get or set the x0-coordinate (baseline) accessor.

area.x1 - get or set the x1-coordinate (topline) accessor.

area.x - get or set the x-coordinate accessors.

area.y0 - get or set the y0-coordinate (baseline) accessor.

area.y1 - get or set the y1-coordinate (topline) accessor.

area.y - get or set the y-coordinate accessors.

area - generate a piecewise linear area, as in an area chart.

area - generate a piecewise linear area, as in a polar area chart.

chord.endAngle - get or set the arc end angle accessor.

chord.radius - get or set the arc radius accessor.

chord.source - get or set the source arc accessor.

chord.startAngle - get or set the arc start angle accessor.

chord.target - get or set the target arc accessor.

chord - generate a quadratic Bézier connecting two arcs, as in a chord diagram.

d3.svg.arc - create a new arc generator.

d3.svg.area.radial - create a new area generator.

d3.svg.area - create a new area generator.

d3.svg.chord - create a new chord generator.

d3.svg.diagonal.radial - create a new diagonal generator.

d3.svg.diagonal - create a new diagonal generator.

d3.svg.line.radial - create a new radial line generator.

d3.svg.line - create a new line generator.

d3.svg.symbolTypes - the array of supported symbol types.

d3.svg.symbol - create a new symbol generator.

diagonal.projection - get or set an optional point transform.

diagonal.source - get or set the source point accessor.

diagonal.target - get or set the target point accessor.

diagonal - generate a two-dimensional Bézier connector, as in a node-link diagram.

diagonal - generate a two-dimensional Bézier connector, as in a node-link diagram.

line.angle - get or set the angle accessor.

line.defined - control whether the line is defined at a given point.

line.defined - control whether the line is defined at a given point.

line.interpolate - get or set the interpolation mode.

line.interpolate - get or set the interpolation mode.

line.radius - get or set the radius accessor.

line.tension - get or set the cardinal spline tension.

line.tension - get or set the cardinal spline tension.

line.x - get or set the x-coordinate accessor.

line.y - get or set the y-coordinate accessor.

line - generate a piecewise linear curve, as in a line chart.

line - generate a piecewise linear curve, as in a polar line chart.

symbol.size - get or set the symbol size (in square pixels) accessor.

symbol.type - get or set the symbol type accessor.

symbol - generate categorical symbols, as in a scatterplot.

Axes





axis.innerTickSize - specify the size of inner ticks.

axis.orient - get or set the axis orientation.

axis.outerTickSize - specify the size of outer ticks.

axis.scale - get or set the axis scale.

axis.tickFormat - override the tick formatting for labels.

axis.tickPadding - specify padding between ticks and tick labels.

axis.tickSize - specify the size of major, minor and end ticks.

axis.ticks - control how ticks are generated for the axis.

axis.tickValues - specify tick values explicitly.

axis - creates or updates an axis for the given selection or transition.

d3.svg.axis - create a new axis generator.

Controls





brush.clear - reset the brush extent.

brush.empty - whether or not the brush extent is empty.

brush.event - dispatch brush events after setting the extent.

brush.extent - the brush’s extent in zero, one or two dimensions.

brush.on - listeners for when the brush is moved.

brush.x - the brush’s x-scale, for horizontal brushing.

brush.y - the brush’s y-scale, for vertical brushing.

brush - apply a brush to the given selection or transition.

d3.svg.brush - click and drag to select one- or two-dimensional regions.

d3.time (Time)





Time Formatting





d3.time.format.iso - the ISO 8601 UTC time formatter.

d3.time.format.multi - create a new local multi-resolution time formatter.

d3.time.format.utc - create a new UTC time formatter for a given specifier.

d3.time.format - create a new local time formatter for a given specifier.

format.parse - parse a string into a date.

format - format a date into a string.

Time Scales





d3.time.scale - construct a linear time scale.

scale.clamp - enable or disable clamping of the output range.

scale.copy - create a new scale from an existing scale.

scale.domain - get or set the scale's input domain.

scale.interpolate - get or set the scale's output interpolator.

scale.invert - get the domain value corresponding to a given range value.

scale.nice - extend the scale domain to nice round numbers.

scale.rangeRound - set the scale's output range, and enable rounding.

scale.range - get or set the scale's output range.

scale.tickFormat - get a formatter for displaying tick values.

scale.ticks - get representative values from the input domain.

scale - get the range value corresponding to a given domain value.

Time Intervals





d3.time.dayOfYear - computes the day number.

d3.time.days - alias for day.range.

d3.time.day - every day (12:00 AM).

d3.time.fridayOfYear - computes the friday-based week number.

d3.time.fridays - alias for friday.range.

d3.time.friday - every Friday (e.g., February 5, 12:00 AM).

d3.time.hours - alias for hour.range.

d3.time.hour - every hour (e.g., 1:00 AM).

d3.time.interval - a time interval in local time.

d3.time.minutes - alias for minute.range.

d3.time.minute - every minute (e.g., 1:02 AM).

d3.time.mondayOfYear - computes the monday-based week number.

d3.time.mondays - alias for monday.range.

d3.time.monday - every Monday (e.g., February 5, 12:00 AM).

d3.time.months - alias for month.range.

d3.time.month - every month (e.g., February 1, 12:00 AM).

d3.time.saturdayOfYear - computes the saturday-based week number.

d3.time.saturdays - alias for saturday.range.

d3.time.saturday - every Saturday (e.g., February 5, 12:00 AM).

d3.time.seconds - alias for second.range.

d3.time.second - every second (e.g., 1:02:03 AM).

d3.time.sundayOfYear - computes the sunday-based week number.

d3.time.sundays - alias for sunday.range.

d3.time.sunday - every Sunday (e.g., February 5, 12:00 AM).

d3.time.thursdayOfYear - computes the thursday-based week number.

d3.time.thursdays - alias for thursday.range.

d3.time.thursday - every Thursday (e.g., February 5, 12:00 AM).

d3.time.tuesdayOfYear - computes the tuesday-based week number.

d3.time.tuesdays - alias for tuesday.range.

d3.time.tuesday - every Tuesday (e.g., February 5, 12:00 AM).

d3.time.wednesdayOfYear - computes the wednesday-based week number.

d3.time.wednesdays - alias for wednesday.range.

d3.time.wednesday - every Wednesday (e.g., February 5, 12:00 AM).

d3.time.weekOfYear - alias for sundayOfYear.

d3.time.weeks - alias for sunday.range.

d3.time.week - alias for sunday.

d3.time.years - alias for year.range.

d3.time.year - every year (e.g., January 1, 12:00 AM).

interval.ceil - rounds up to the nearest interval.

interval.floor - rounds down to the nearest interval.

interval.offset - returns a date offset by some interval.

interval.range - returns dates within the specified range.

interval.round - rounds up or down to the nearest interval.

interval.utc - returns the UTC-equivalent time interval.

interval - alias for interval.floor.

d3.layout (Layouts)





Bundle





bundle - apply Holten's hierarchical bundling algorithm to edges.

d3.layout.bundle - construct a new default bundle layout.

Chord





chord.chords - retrieve the computed chord angles.

chord.groups - retrieve the computed group angles.

chord.matrix - get or set the matrix data backing the layout.

chord.padding - get or set the angular padding between chord segments.

chord.sortChords - get or set the comparator function for chords (z-order).

chord.sortGroups - get or set the comparator function for groups.

chord.sortSubgroups - get or set the comparator function for subgroups.

d3.layout.chord - produce a chord diagram from a matrix of relationships.

Cluster





cluster.children - get or set the accessor function for child nodes.

cluster.links - compute the parent-child links between tree nodes.

cluster.nodeSize - specify a fixed size for each node.

cluster.nodes - compute the cluster layout and return the array of nodes.

cluster.separation - get or set the spacing function between neighboring nodes.

cluster.size - get or set the layout size in x and y.

cluster.sort - get or set the comparator function for sibling nodes.

cluster - alias for cluster.nodes.

d3.layout.cluster - cluster entities into a dendrogram.

Force





d3.layout.force - position linked nodes using physical simulation.

force.alpha - get or set the layout's cooling parameter.

force.chargeDistance - get or set the maximum charge distance.

force.charge - get or set the charge strength.

force.drag - bind a behavior to nodes to allow interactive dragging.

force.friction - get or set the friction coefficient.

force.gravity - get or set the gravity strength.

force.linkDistance - get or set the link distance.

force.linkStrength - get or set the link strength.

force.links - get or set the array of links between nodes.

force.nodes - get or set the array of nodes to layout.

force.on - listen to updates in the computed layout positions.

force.resume - reheat the cooling parameter and restart simulation.

force.size - get or set the layout size in x and y.

force.start - start or restart the simulation when the nodes change.

force.stop - immediately terminate the simulation.

force.theta - get or set the accuracy of the charge interaction.

force.tick - run the layout simulation one step.

Hierarchy





d3.layout.hierarchy - derive a custom hierarchical layout implementation.

hierarchy.children - get or set the accessor function for child nodes.

hierarchy.links - compute the parent-child links between tree nodes.

hierarchy.nodes - compute the layout and return the array of nodes.

hierarchy.revalue - recompute the hierarchy values.

hierarchy.sort - get or set the comparator function for sibling nodes.

hierarchy.value - get or set the value accessor function.

hierarchy - alias for hierarchy.nodes.

Histogram





d3.layout.histogram - construct a new default histogram layout.

histogram.bins - specify how values are organized into bins.

histogram.frequency - compute the distribution as counts or probabilities.

histogram.range - get or set the considered value range.

histogram.value - get or set the value accessor function.

histogram - compute the distribution of data using quantized bins.

Pack





d3.layout.pack - produce a hierarchical layout using recursive circle-packing.

pack.children - get or set the children accessor function.

pack.links - compute the parent-child links between tree nodes.

pack.nodes - compute the pack layout and return the array of nodes.

pack.padding - specify the layout padding in (approximate) pixels.

pack.radius - specify the node radius, rather than deriving it from value.

pack.size - specify the layout size in x and y.

pack.sort - control the order in which sibling nodes are traversed.

pack.value - get or set the value accessor used to size circles.

pack - alias for pack.nodes.

Partition





d3.layout.partition - recursively partition a node tree into a sunburst or icicle.

partition.children - get or set the children accessor function.

partition.links - compute the parent-child links between tree nodes.

partition.nodes - compute the partition layout and return the array of nodes.

partition.size - specify the layout size in x and y.

partition.sort - control the order in which sibling nodes are traversed.

partition.value - get or set the value accessor used to size circles.

partition - alias for partition.nodes.

Pie





d3.layout.pie - construct a new default pie layout.

pie.endAngle - get or set the overall end angle of the pie.

pie.padAngle - get or set the pad angle of the pie.

pie.sort - control the clockwise order of pie slices.

pie.startAngle - get or set the overall start angle of the pie.

pie.value - get or set the value accessor function.

pie - compute the start and end angles for arcs in a pie or donut chart.

Stack





d3.layout.stack - construct a new default stack layout.

stack.offset - specify the overall baseline algorithm.

stack.order - control the order in which series are stacked.

stack.out - get or set the output function for storing the baseline.

stack.values - get or set the values accessor function per series.

stack.x - get or set the x-dimension accessor function.

stack.y - get or set the y-dimension accessor function.

stack - compute the baseline for each series in a stacked bar or area chart.

Tree





d3.layout.tree - position a tree of nodes tidily.

tree.children - get or set the children accessor function.

tree.links - compute the parent-child links between tree nodes.

tree.nodeSize - specify a fixed size for each node.

tree.nodes - compute the tree layout and return the array of nodes.

tree.separation - get or set the spacing function between neighboring nodes.

tree.size - specify the layout size in x and y.

tree.sort - control the order in which sibling nodes are traversed.

tree - alias for tree.nodes.

Treemap





d3.layout.treemap - use recursive spatial subdivision to display a tree of nodes.

treemap.children - get or set the children accessor function.

treemap.links - compute the parent-child links between tree nodes.

treemap.mode - change the treemap layout algorithm.

treemap.nodes - compute the treemap layout and return the array of nodes.

treemap.padding - specify the padding between a parent and its children.

treemap.round - enable or disable rounding to exact pixels.

treemap.size - specify the layout size in x and y.

treemap.sort - control the order in which sibling nodes are traversed.

treemap.sticky - make the layout sticky for stable updates.

treemap.value - get or set the value accessor used to size treemap cells.

treemap - alias for treemap.nodes.

d3.geo (Geography)





Paths





circle.angle - specify the angular radius in degrees.

circle.origin - specify the origin in latitude and longitude.

circle.precision - specify the precision of the piecewise circle.

circle - generate a piecewise circle as a Polygon.

d3.geo.area - compute the spherical area of a given feature.

d3.geo.bounds - compute the latitude-longitude bounding box for a given feature.

d3.geo.centroid - compute the spherical centroid of a given feature.

d3.geo.circle - create a circle generator.

d3.geo.distance - compute the great-arc distance between two points.

d3.geo.graticule - create a graticule generator.

d3.geo.interpolate - interpolate between two points along a great arc.

d3.geo.length - compute the length of a line string or the perimeter of a polygon.

d3.geo.path - create a new geographic path generator.

d3.geo.rotation - create a rotation function for the specified angles [λ, φ, γ].

graticule.extent - get or set the major & minor extents.

graticule.lines - generate an array of LineStrings of meridians and parallels.

graticule.majorExtent - get or set the major extent.

graticule.majorStep - get or set the major step intervals.

graticule.minorExtent - get or set the minor extent.

graticule.minorStep - get or set the minor step intervals.

graticule.outline - generate a Polygon of the graticule’s extent.

graticule.precision - get or set the latitudinal precision.

graticule.step - get or set the major & minor step intervals.

graticule - generate a MultiLineString of meridians and parallels.

path.area - compute the projected area of a given feature.

path.bounds - compute the projected bounds of a given feature.

path.centroid - compute the projected centroid of a given feature.

path.context - get or set the render context.

path.pointRadius - get or set the radius to display point features.

path.projection - get or set the geographic projection.

path - project the specified feature and render it to the context.

rotation.invert - inverse-rotate the given location around the sphere.

rotation - rotate the given location around the sphere.

Projections





albers.parallels - get or set the projection's two standard parallels.

d3.geo.albersUsa - a composite Albers projection for the United States.

d3.geo.albers - the Albers equal-area conic projection.

d3.geo.azimuthalEqualArea.raw - the raw azimuthal equal-area projection.

d3.geo.azimuthalEqualArea - the azimuthal equal-area projection.

d3.geo.azimuthalEquidistant.raw - the azimuthal equidistant projection.

d3.geo.azimuthalEquidistant - the azimuthal equidistant projection.

d3.geo.conicConformal.raw - the raw conic conformal projection.

d3.geo.conicConformal - the conic conformal projection.

d3.geo.conicEqualArea.raw the raw conic equal-area (a.k.a. Albers) projection.

d3.geo.conicEqualArea the conic equal-area (a.k.a. Albers) projection.

d3.geo.conicEquidistant.raw - the raw conic equidistant projection.

d3.geo.conicEquidistant - the conic equidistant projection.

d3.geo.equirectangular.raw - the raw equirectangular (plate carrée) projection.

d3.geo.equirectangular - the equirectangular (plate carreé) projection.

d3.geo.gnomonic.raw - the raw gnomonic projection.

d3.geo.gnomonic - the gnomonic projection.

d3.geo.mercator.raw - the raw Mercator projection.

d3.geo.mercator - the spherical Mercator projection.

d3.geo.orthographic.raw - the raw azimuthal orthographic projection.

d3.geo.orthographic - the azimuthal orthographic projection.

d3.geo.projectionMutator - create a standard projection from a mutable raw projection.

d3.geo.projection - create a standard projection from a raw projection.

d3.geo.stereographic.raw - the raw azimuthal stereographic projection.

d3.geo.stereographic - the azimuthal stereographic projection.

d3.geo.transverseMercator.raw - the raw transverse Mercator projection.

projection.center - get or set the projection’s center location.

projection.clipAngle - get or set the radius of the projection’s clip circle.

projection.clipExtent - get or set the projection’s viewport clip extent, in pixels.

projection.invert - invert the projection for the specified point.

projection.precision - get or set the precision threshold for adaptive resampling.

projection.rotate - get or set the projection’s three-axis rotation.

projection.scale - get or set the projection’s scale factor.

projection.stream - wrap the specified stream listener, projecting input geometry.

projection.translate - get or set the projection’s translation position.

projection - project the specified location.

Streams





clipExtent.extent - sets the clip extent.

d3.geo.clipExtent - a stream transform that clips geometries to a given axis-aligned rectangle.

d3.geo.stream - convert a GeoJSON object to a geometry stream.

d3.geo.transform - transform streaming geometries.

stream.lineEnd - indicate the end of a line or ring.

stream.lineStart - indicate the start of a line or ring.

stream.point - indicate an x, y (and optionally z) coordinate.

stream.polygonEnd - indicate the end of a polygon.

stream.polygonStart - indicate the start of a polygon.

stream.sphere - indicate a sphere.

transform.stream - wraps a given stream.

d3.geom (Geometry)





Voronoi





d3.geom.voronoi - create a Voronoi layout with default accessors.

voronoi.clipExtent - get or set the clip extent for the tesselation.

voronoi.links - compute the Delaunay mesh as a network of links.

voronoi.triangles - compute the Delaunay mesh as a triangular tessellation.

voronoi.x - get or set the x-coordinate accessor for each point.

voronoi.y - get or set the y-coordinate accessor for each point.

voronoi - compute the Voronoi tessellation for the specified points.

Quadtree





d3.geom.quadtree - constructs a quadtree for an array of points.

quadtree.add - add a point to the quadtree.

quadtree.find - find the closest point in the quadtree.

quadtree.visit - recursively visit nodes in the quadtree.

Polygon





d3.geom.polygon - create a polygon from the specified array of points.

polygon.area - compute the counterclockwise area of this polygon.

polygon.centroid - compute the area centroid of this polygon.

polygon.clip - clip the specified polygon to this polygon.

Hull





d3.geom.hull - create a convex hull layout with default accessors.

hull - compute the convex hull for the given array of points.

hull.x - get or set the x-coordinate accessor.

hull.y - get or set the y-coordinate accessor.

d3.behavior (Behaviors)





Drag





d3.behavior.drag

drag.on

drag.origin

Zoom





d3.behavior.zoom - create a zoom behavior.

zoom.center - an optional focal point for mousewheel zooming.

zoom.duration - get or set the dblclick transition duration.

zoom.event - dispatch zoom events after setting the scale or translate.

zoom.on - listeners for when the scale or translate changes.

zoom.scaleExtent - optional limits on the scale factor.

zoom.scale - the current scale factor.

zoom.size - the dimensions of the viewport.

zoom.translate - the current translate offset.

zoom.x - an optional scale whose domain is bound to the x extent of the viewport.

zoom.y - an optional scale whose domain is bound to the y extent of the viewport.

zoom - apply the zoom behavior to the selected elements.