Class: PatchesLayer

Defined in: layers/patches.ts:72

Filled polygons (Bokeh patches). Each ring is triangulated once on the CPU with ear-clipping (holes supported), then rendered as a static per-vertex-color triangle soup — only the transform uniforms change per frame.

Implements

• Layer

Constructors

Constructor

new PatchesLayer(gl, opts): PatchesLayer;

Defined in: layers/patches.ts:96

Parameters

Parameter	Type
gl	WebGL2RenderingContext
opts	PatchesOptions

Returns

PatchesLayer

Properties

colorCss

readonly colorCss: string;

Defined in: layers/patches.ts:75

---

id

readonly id: string;

Defined in: layers/patches.ts:73

Implementation of

Layer.id

---

name

readonly name: string;

Defined in: layers/patches.ts:74

---

yAxis

readonly yAxis: string;

Defined in: layers/patches.ts:76

The y axis this layer is bound to.

Implementation of

Layer.yAxis

Methods

bounds()

bounds(): 
  | {
  x: Range;
  y: Range;
}
  | null;

Defined in: layers/patches.ts:224

Data-space bounds of this layer, for autoscaling. null if empty.

Returns

| { x: Range; y: Range; } | null

Implementation of

Layer.bounds

---

colorInfo()

colorInfo(): ColorInfo | null;

Defined in: layers/patches.ts:220

Colormap + value range, when this layer maps values to colours — the plot uses it to draw a colorbar. null/absent for solid-coloured layers.

Returns

ColorInfo | null

Implementation of

Layer.colorInfo

---

dispose()

dispose(): void;

Defined in: layers/patches.ts:239

Returns

void

Implementation of

Layer.dispose

---

draw()

draw(state): void;

Defined in: layers/patches.ts:229

Parameters

Parameter	Type
state	DrawState

Returns

void

Implementation of

Layer.draw

---

setData()

setData(patches): void;

Defined in: layers/patches.ts:211

Replace the patches and re-upload (for streaming).

Parameters

Parameter	Type
patches	Patch[]

Returns

void