https://blog.csdn.net/qq_34832846/article/details/90510150
1.Continuous Scales(连续型比例尺)
| 方法 | 描述 |
|---|---|
| d3.scaleLinear | 创建一个 continuous scale |
| continuous(value) | 根据domain(定义域)计算range(值域) |
| continuous.invert(value) | 根据定义域计算值域 |
| continuous.domain([domain]) | 设置值域 |
| continuous.range([range]) | 设置定义域 |
| continuous.rangeRound([range]) | 代替range,比例尺会四舍五入 |
| continuous.clamp(clamp) | 设置边界,如果超出值域或者定义域,就去最大或最小的边界值 |
| continuous.interpolate(interpolate) | 设置输出的差值算法 |
| continuous.unknown([value]) | set the output value for unknown inputs. |
| continuous.ticks | compute representative values from the domain. |
| continuous.tickFormat | format ticks for human consumption. |
| continuous.nice([count]) | extend the domain to nice round numbers. |
| continuous.copy() | create a copy of this scale. |
| d3.scalePow | continuous scale with the specified domain and range, the exponent 1 |
| d3.scaleSqrt | continuous power scale with the specified domain and range, the exponent 0.5 |
| pow | compute the range value corresponding to a given domain value. |
| pow.invert | compute the domain value corresponding to a given range value. |
| pow.exponent | set the power exponent. |
| pow.domain | set the input domain. |
| pow.range | set the output range. |
| pow.rangeRound | set the output range and enable rounding. |
| pow.clamp | enable clamping to the domain or range. |
| pow.interpolate | set the output interpolator. |
| pow.ticks | compute representative values from the domain. |
| pow.tickFormat | format ticks for human consumption. |
| pow.nice | extend the domain to nice round numbers. |
| pow.copy | create a copy of this scale. |
| d3.scaleLog | continuous scale with the specified domain and range, the base 10 |
| d3.scaleSymlog | continuous scale with the specified domain and range, the constant 1 |
| log | compute the range value corresponding to a given domain value. |
| log.invert | compute the domain value corresponding to a given range value. |
| log.base | set the logarithm base. |
| log.domain | set the input domain. |
| log.range | set the output range. |
| log.rangeRound | set the output range and enable rounding. |
| log.clamp | enable clamping to the domain or range. |
| log.interpolate | set the output interpolator. |
| log.ticks | compute representative values from the domain. |
| log.tickFormat | format ticks for human consumption. |
| log.nice | extend the domain to nice round numbers. |
| log.copy | create a copy of this scale. |
| d3.scaleIdentity | a special case of linear scales where the domain and range are identical |
| d3.scaleTime | create a linear scale for time. |
| time | compute the range value corresponding to a given domain value. |
| time.invert | compute the domain value corresponding to a given range value. |
| time.domain | set the input domain. |
| time.range | set the output range. |
| time.rangeRound | set the output range and enable rounding. |
| time.clamp | enable clamping to the domain or range. |
| time.interpolate | set the output interpolator. |
| time.ticks | compute representative values from the domain. |
| time.tickFormat | format ticks for human consumption. |
| time.nice | extend the domain to nice round times. |
| time.copy | create a copy of this scale. |
| d3.scaleUtc | crete a linear scale for UTC. |
| d3.tickFormat | format ticks for human consumption. |
2.Sequential Scales(序列比例尺)
与连续比例尺不同的是，序列比例尺的值域是根据指定的插值器内置且不可配置，并且它的插值方式也不可配置。序列比例尺也没有反转invert、值域range、值域求整rangeRound、插值器interpolate方法。
| 方法 | 描述 |
|---|---|
| d3.scaleSequential | create a sequential scale. |
| sequential.interpolator | set the scale’s output interpolator. |
| d3.scaleSequentialLog | |
| d3.scaleSequentialPow | |
| d3.scaleSequentialSqrt | |
| d3.scaleSequentialSymlog | |
| d3.scaleSequentialQuantile |
3.Diverging Scales
发散比例尺的输出是根据插值器计算并且不可配置。同样没有反转invert、值域range、值域求整rangeRound、插值器interpolate方法。
| 方法 | 描述 |
|---|---|
| d3.scaleDiverging | create a diverging scale. |
| diverging.interpolator | set the scale’s output interpolator. |
| d3.scaleDivergingLog | |
| d3.scaleDivergingPow | |
| d3.scaleDivergingSqrt | |
| d3.scaleDivergingSymlog |
4.Quantize Scales
量化比例尺类似于线性比例尺，其定义域也是连续的，但值域是离散的，连续的定义域值会被分割成均匀的片段。
| 方法 | 描述 |
|---|---|
| d3.scaleQuantize | create a uniform quantizing linear scale. |
| quantize | compute the range value corresponding to a given domain value. |
| quantize.invertExtent | compute the domain values corresponding to a given range value. |
| quantize.domain | set the input domain. |
| quantize.range | set the output range. |
| quantize.nice | extend the domain to nice round numbers. |
| quantize.ticks | compute representative values from the domain. |
| quantize.tickFormat | format ticks for human consumption. |
| quantize.copy | create a copy of this scale. |
| d3.scaleQuantile | create a quantile quantizing linear scale. |
| quantile | compute the range value corresponding to a given domain value. |
| quantile.invertExtent | compute the domain values corresponding to a given range value. |
| quantile.domain | set the input domain. |
| quantile.range | set the output range. |
| quantile.quantiles | get the quantile thresholds. |
| quantile.copy | create a copy of this scale. |
| d3.scaleThreshold | create an arbitrary quantizing linear scale. |
| threshold | compute the range value corresponding to a given domain value. |
| threshold.invertExtent | compute the domain values corresponding to a given range value. |
| threshold.domain | set the input domain. |
| threshold.range | set the output range. |
| threshold.copy | create a copy of this scale. |
5.Ordinal Scales(xus
序数比例尺的的定义域和值域都是离散的
分段比例尺类似于序数比例尺，区别在于分段比例尺的的定义域的值可以是连续的数值类型，而离散的值域则是将连续的定义域范围划分为均匀的分段。
| 方法 | 描述 |
|---|---|
| d3.scaleOrdinal | create an ordinal scale. |
| ordinal | compute the range value corresponding to a given domain value. |
| ordinal.domain | set the input domain. |
| ordinal.range | set the output range. |
| ordinal.unknown | set the output value for unknown inputs. |
| ordinal.copy | create a copy of this scale. |
| d3.scaleImplicit | a special unknown value for implicit domains. |
| d3.scaleBand | create an ordinal band scale. |
| band | compute the band start corresponding to a given domain value. |
| band.domain | set the input domain. |
| band.range | set the output range. |
| band.rangeRound | set the output range and enable rounding. |
| band.round | enable rounding. |
| band.paddingInner | set padding between bands. |
| band.paddingOuter | set padding outside the first and last bands. |
| band.padding | set padding outside and between bands. |
| band.align | set band alignment, if there is extra space. |
| band.bandwidth | get the width of each band. |
| band.step | get the distance between the starts of adjacent bands. |
| band.copy | create a copy of this scale. |
| d3.scalePoint | create an ordinal point scale. |
| point | compute the point corresponding to a given domain value. |
| point.domain | set the input domain. |
| point.range | set the output range. |
| point.rangeRound | set the output range and enable rounding. |
| point.round | enable rounding. |
| point.padding | set padding outside the first and last point. |
| point.align | set point alignment, if there is extra space. |
| point.bandwidth | returns zero. |
| point.step | get the distance between the starts of adjacent points. |
| point.copy | create a copy of this scale. |
参考:
https://blog.csdn.net/qq_34832846/article/details/90510150