autk-map

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autk-map / PipelineTrianglePicking

Class: PipelineTrianglePicking

Defined in: pipeline-triangle-picking.ts:15

PipelineTrianglePicking is a rendering pipeline for picking triangles in 2D space. It uses WebGPU to render triangles and allows for picking by encoding object IDs in vertex colors.

Extends

• Pipeline

Constructors

Constructor

new PipelineTrianglePicking(renderer): PipelineTrianglePicking

Defined in: pipeline-triangle-picking.ts:56

Constructor for PipelineTrianglePicking

Parameters

renderer

Renderer

The renderer instance

Returns

PipelineTrianglePicking

Overrides

Pipeline.constructor

Properties

_cameraBindGroup

protected _cameraBindGroup: GPUBindGroup

Defined in: pipeline.ts:39

Camera bind group

Inherited from

Pipeline._cameraBindGroup

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_cameraBindGroupLayout

protected _cameraBindGroupLayout: GPUBindGroupLayout

Defined in: pipeline.ts:44

Camera bind group layout

Inherited from

Pipeline._cameraBindGroupLayout

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_cMapTexture

protected _cMapTexture: GPUTexture

Defined in: pipeline.ts:61

Color map texture

Inherited from

Pipeline._cMapTexture

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_colorBuffer

protected _colorBuffer: GPUBuffer

Defined in: pipeline.ts:51

Color uniform buffer

Inherited from

Pipeline._colorBuffer

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_fragModule

protected _fragModule: GPUShaderModule

Defined in: pipeline-triangle-picking.ts:50

Fragment shader module.

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_highlightColorBuffer

protected _highlightColorBuffer: GPUBuffer

Defined in: pipeline.ts:56

Highlight color uniform buffer

Inherited from

Pipeline._highlightColorBuffer

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_mviewBuffer

protected _mviewBuffer: GPUBuffer

Defined in: pipeline.ts:27

ModelView matrix uniform buffer

Inherited from

Pipeline._mviewBuffer

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_opacity

protected _opacity: GPUBuffer

Defined in: pipeline.ts:79

Opacity uniform buffer

Inherited from

Pipeline._opacity

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_projcBuffer

protected _projcBuffer: GPUBuffer

Defined in: pipeline.ts:32

Projection matrix uniform buffer

Inherited from

Pipeline._projcBuffer

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_renderer

protected _renderer: Renderer

Defined in: pipeline.ts:21

Renderer reference

Inherited from

Pipeline._renderer

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_renderInfoBindGroup

protected _renderInfoBindGroup: GPUBindGroup

Defined in: pipeline.ts:87

Render information bind group

Inherited from

Pipeline._renderInfoBindGroup

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_renderInfoBindGroupLayout

protected _renderInfoBindGroupLayout: GPUBindGroupLayout

Defined in: pipeline.ts:92

Render information bind group layout

Inherited from

Pipeline._renderInfoBindGroupLayout

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_useColorMap

protected _useColorMap: GPUBuffer

Defined in: pipeline.ts:69

Use color map uniform buffer

Inherited from

Pipeline._useColorMap

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_useHighlight

protected _useHighlight: GPUBuffer

Defined in: pipeline.ts:74

Use highlight uniform buffer

Inherited from

Pipeline._useHighlight

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_vertModule

protected _vertModule: GPUShaderModule

Defined in: pipeline-triangle-picking.ts:44

Vertex shader module.

Methods

build()

build(mesh): void

Defined in: pipeline-triangle-picking.ts:64

Builds the pipeline with the provided mesh data.

Parameters

mesh

VectorLayer

The mesh data containing positions, thematic, and indices

Returns

void

Overrides

Pipeline.build

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createCameraUniformBindGroup()

createCameraUniformBindGroup(): void

Defined in: pipeline.ts:110

Creates the camera uniform bind group.

Returns

void

Inherited from

Pipeline.createCameraUniformBindGroup

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createColorUniformBindGroup()

createColorUniformBindGroup(): void

Defined in: pipeline.ts:170

Creates the color uniform bind group.

Returns

void

Inherited from

Pipeline.createColorUniformBindGroup

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createShaders()

createShaders(): void

Defined in: pipeline-triangle-picking.ts:77

Creates the vertex and fragment shaders for the pipeline.

Returns

void

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createVertexBuffers()

createVertexBuffers(mesh): void

Defined in: pipeline-triangle-picking.ts:95

Creates the vertex buffers for the pipeline.

Parameters

mesh

VectorLayer

The mesh data containing positions, thematic, and indices

Returns

void

Overrides

Pipeline.createVertexBuffers

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readPickedId()

readPickedId(x, y): Promise<number>

Defined in: pipeline-triangle-picking.ts:152

Reads the picked object ID from the picking texture.

Parameters

x

number

The x-coordinate of the pick location

y

number

The y-coordinate of the pick location

Returns

Promise<number>

The picked object ID

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renderPass()

renderPass(camera): void

Defined in: pipeline-triangle-picking.ts:291

Renders the picking pass for the pipeline.

Parameters

camera

Camera

The camera instance

Returns

void

Overrides

Pipeline.renderPass

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updateCameraUniforms()

updateCameraUniforms(camera): void

Defined in: pipeline.ts:157

Updates the camera uniform buffers with the current camera state.

Parameters

camera

Camera

The camera instance

Returns

void

Inherited from

Pipeline.updateCameraUniforms

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updateColorUniforms()

updateColorUniforms(layer): void

Defined in: pipeline.ts:295

Updates the color uniform buffers with the current layer state.

Parameters

layer

Layer

The layer instance

Returns

void

Inherited from

Pipeline.updateColorUniforms

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updateVertexBuffers()

updateVertexBuffers(layer): void

Defined in: pipeline-triangle-picking.ts:119

Updates the vertex buffers with the provided mesh data.

Parameters

layer

VectorLayer

The mesh data containing positions, thematic, and indices

Returns

void

Overrides

Pipeline.updateVertexBuffers