Class: D3PAxisSnapshot ​

Defined in: core/axis.ts:112

An axis as it was when snapshot was called: its domain, and the scale and system that went with it. A tool that compares the start of a gesture with the live state uses it; the live axis keeps moving while the gesture writes its domain.

Implements ​

Accessors ​

scale ​

Get Signature ​

ts
get scale(): D3PScale;

Defined in: core/axis.ts:132

The scale of the snapshot (built on first use).

Returns ​

D3PScale

Constructors ​

Constructor ​

ts
new D3PAxisSnapshot(
   axis, 
   chart, 
   system
): D3PAxisSnapshot;

Defined in: core/axis.ts:119

Parameters ​

axis ​

D3PAxis

The axis this snapshot was taken of.

chart ​

D3PChart

The chart it was taken on.

system ​

D3PSystemSnapshot

The coordinate system of the axis, as it was at the time of the snapshot.

Returns ​

D3PAxisSnapshot

Methods ​

projectFrom() ​

ts
projectFrom(
   point, 
   options?, 
   cache?
): D3PDomainValue | undefined;

Defined in: core/axis.ts:147

The value of this axis under a point of the chart, as it was at the time of the snapshot.

Parameters ​

point ​

D3PViewportPoint

options? ​
strict? ​

boolean

cache? ​

D3PProjectionCache

Returns ​

D3PDomainValue | undefined

Implementation of ​

D3PAxisProjector.projectFrom

projectTo() ​

ts
projectTo(
   chart, 
   value, 
   cache?
): number | undefined;

Defined in: core/axis.ts:141

The place of a value along this axis, in range units, as it was at the time of the snapshot.

Parameters ​

chart ​

D3PChart

value ​

D3PDomainValue

cache? ​

D3PProjectionCache

Returns ​

number | undefined

Implementation of ​

D3PAxisProjector.projectTo

Properties ​

axis ​

ts
readonly axis: D3PAxis;

Defined in: core/axis.ts:121

The axis this snapshot was taken of.

chart ​

ts
readonly chart: D3PChart;

Defined in: core/axis.ts:123

The chart it was taken on.

component ​

ts
readonly component: D3PAxisComponent;

Defined in: core/axis.ts:114

x or y: the dimension of the axis.

domain ​

ts
readonly domain: D3PDomainValue[];

Defined in: core/axis.ts:116

The domain at the time of the snapshot.

system ​

ts
readonly system: D3PSystemSnapshot;

Defined in: core/axis.ts:125

The coordinate system of the axis, as it was at the time of the snapshot.