PolyDataMapper2D

Introduction

The OpenGL backend view node for vtkMapper2D.

Methods

applyShaderReplacements

Apply the user supplied shader replacements found on the renderable's OpenGL view specific properties.

Argument	Required	Description
`shaders`	Yes
`viewSpec`	Yes	the OpenGL view specific properties, may be undefined
`pre`	Yes	when true only the replacements flagged `replaceFirst` are applied

buildBufferObjects

Argument	Type	Required	Description
`ren`	vtkRenderer	Yes
`actor`	vtkActor2D	Yes

buildPass

Locate the scene graph nodes this mapper renders through.

Argument	Type	Required	Description
`prepass`		Yes

buildShaders

Assemble the full shader sources for the given renderer and actor.

Argument	Type	Required
`shaders`		Yes
`ren`	vtkRenderer	Yes
`actor`	vtkActor2D	Yes

extend

Method used to decorate a given object (publicAPI+model) with vtkOpenGLPolyDataMapper2D characteristics.

Argument	Type	Required	Description
`publicAPI`		Yes	object on which methods will be bounds (public)
`model`		Yes	object on which data structure will be bounds (protected)
`initialValues`	IOpenGLPolyDataMapper2DInitialValues	No	(default: {})

getAllocatedGPUMemoryInBytes

The GPU memory the primitives of this mapper currently hold, in bytes.

getContext

The WebGL context this mapper renders into.

getNeedToRebuildBufferObjects

Argument	Type	Required	Description
`ren`	vtkRenderer	Yes
`actor`	vtkActor2D	Yes

getNeedToRebuildShaders

Argument	Type	Required	Description
`cellBO`		Yes	the helper holding the program for a primitive type
`ren`	vtkRenderer	Yes
`actor`	vtkActor2D	Yes

getReplacedShaderTemplate

Fetch the shader templates and apply the per shader code overrides found on the renderable's OpenGL view specific properties.

Argument	Type	Required
`shaders`		Yes
`ren`	vtkRenderer	Yes
`actor`	vtkActor2D	Yes

getShaderTemplate

Fill the shader sources with the templates this mapper starts from.

Argument	Type	Required
`shaders`		Yes
`ren`	vtkRenderer	Yes
`actor`	vtkActor2D	Yes

invokeShaderCallbacks

Invoke the user supplied shader callbacks registered on the renderable.

Argument	Type	Required
`cellBO`		Yes
`ren`	vtkRenderer	Yes
`actor`	vtkActor2D	Yes

newInstance

Method used to create a new instance of vtkOpenGLPolyDataMapper2D.

Argument	Type	Required	Description
`initialValues`	IOpenGLPolyDataMapper2DInitialValues	No	for pre-setting some of its content

overlayPass

Argument	Type	Required	Description
`prepass`		Yes

releaseGraphicsResources

Release the primitive buffers and the internal color texture.

render

Renders the piece held by this mapper.

renderPiece

Argument	Type	Required	Description
`ren`	vtkRenderer	Yes
`actor`	vtkActor2D	Yes

renderPieceDraw

Argument	Type	Required	Description
`ren`	vtkRenderer	Yes
`actor`	vtkActor2D	Yes

renderPieceFinish

Argument	Type	Required	Description
`ren`	vtkRenderer	Yes
`actor`	vtkActor2D	Yes

renderPieceStart

Argument	Type	Required	Description
`ren`	vtkRenderer	Yes
`actor`	vtkActor2D	Yes

replaceShaderCoincidentOffset

Add the polygon offset uniforms when the coincident parameters are non zero.

Argument	Type	Required
`shaders`		Yes
`ren`	vtkRenderer	Yes
`actor`	vtkActor2D	Yes

replaceShaderColor

Argument	Type	Required
`shaders`		Yes
`ren`	vtkRenderer	Yes
`actor`	vtkActor2D	Yes

replaceShaderPicking

Argument	Type	Required
`shaders`		Yes
`ren`	vtkRenderer	Yes
`actor`	vtkActor2D	Yes

replaceShaderPositionVC

Argument	Type	Required
`shaders`		Yes
`ren`	vtkRenderer	Yes
`actor`	vtkActor2D	Yes

replaceShaderTCoord

Argument	Type	Required
`shaders`		Yes
`ren`	vtkRenderer	Yes
`actor`	vtkActor2D	Yes

replaceShaderValues

Run every shader replacement this mapper implements.

Argument	Type	Required
`shaders`		Yes
`ren`	vtkRenderer	Yes
`actor`	vtkActor2D	Yes

setCameraShaderParameters

Argument	Type	Required
`cellBO`		Yes
`ren`	vtkRenderer	Yes
`actor`	vtkActor2D	Yes

setContext

Argument	Type	Required	Description
`context`		Yes

setLightingShaderParameters

Argument	Type	Required
`cellBO`		Yes
`ren`	vtkRenderer	Yes
`actor`	vtkActor2D	Yes

setMapperShaderParameters

Argument	Type	Required
`cellBO`		Yes
`ren`	vtkRenderer	Yes
`actor`	vtkActor2D	Yes

setPropertyShaderParameters

Argument	Type	Required
`cellBO`		Yes
`ren`	vtkRenderer	Yes
`actor`	vtkActor2D	Yes

updateBufferObjects

Rebuild the buffer objects when they are out of date.

Argument	Type	Required	Description
`ren`	vtkRenderer	Yes
`actor`	vtkActor2D	Yes

PolyDataMapper2D ​

Introduction ​

Methods ​

applyShaderReplacements ​

buildBufferObjects ​

buildPass ​

buildShaders ​

extend ​

getAllocatedGPUMemoryInBytes ​

getContext ​

getNeedToRebuildBufferObjects ​

getNeedToRebuildShaders ​

getReplacedShaderTemplate ​

getShaderTemplate ​

invokeShaderCallbacks ​

newInstance ​

overlayPass ​

releaseGraphicsResources ​

render ​

renderPiece ​

renderPieceDraw ​

renderPieceFinish ​

renderPieceStart ​

replaceShaderCoincidentOffset ​

replaceShaderColor ​

replaceShaderPicking ​

replaceShaderPositionVC ​

replaceShaderTCoord ​

replaceShaderValues ​

setCameraShaderParameters ​

setContext ​

setLightingShaderParameters ​

setMapperShaderParameters ​

setPropertyShaderParameters ​

updateBufferObjects ​