Class View

Inheritance

View

Namespace:

Syntax

Methods

configureFunctionLogger

Declaration

view.configureFunctionLogger(functionName, enableFunction, enableParameters, enableExecutionTime)

Parameters

Type	Name	Description
String	functionName
Boolean	enableFunction
Boolean	enableParameters
Boolean	enableExecutionTime

destroyContext

Destroy the Vulkan instance. All existing viewers and gpuScenes will also be destroyed and all view module properties will be reset

Declaration

view.destroyContext()

suitableGPUAvailable

returns true if a suitable device is found.

Declaration

view.suitableGPUAvailable() -> core.Bool

Returns

Type	Description
Bool	True if a suitable device was found.

applyPlayingAnimations

apply the animations

Warning

This function is tagged as EXPERIMENTAL.

See also:

Declaration

view.applyPlayingAnimations(time)

Parameters

Type	Name	Description
AnimationTime	time	Current time

getAnimationPlayerInfo

packs all AnimationPlayer-related info about an animation in an object

Warning

This function is tagged as EXPERIMENTAL.

See also:

Declaration

view.getAnimationPlayerInfo(animation) -> view.AnimationPlayerInfo

Parameters

Type	Name	Description
Animation	animation	Animation to get info of

Returns

Type	Description
AnimationPlayerInfo

isAnimationPlaying

is this animation playing?

Warning

This function is tagged as EXPERIMENTAL.

See also:

Declaration

view.isAnimationPlaying(animation) -> core.Bool

Parameters

Type	Name	Description
Animation	animation	Animation to check

Returns

Type	Description
Bool

pauseAllAnimation

pauses all animations

Warning

This function is tagged as EXPERIMENTAL.

See also:

Declaration

view.pauseAllAnimation()

pauseAnimation

pauses an animation

Warning

This function is tagged as EXPERIMENTAL.

See also:

Declaration

view.pauseAnimation(animation)

Parameters

Type	Name	Description
Animation	animation	Animation to pause

playAnimation

plays an animation

Warning

This function is tagged as EXPERIMENTAL.

See also:

Declaration

view.playAnimation(animation, speed=1, loop=False)

Parameters

Type	Name	Description
Animation	animation	Animation to play
Double	speed	Speed
Boolean	loop	Should the animation loop?

resumeAllAnimation

resumes all animations

Warning

This function is tagged as EXPERIMENTAL.

See also:

Declaration

view.resumeAllAnimation()

resumeAnimation

resumes an animation

Warning

This function is tagged as EXPERIMENTAL.

See also:

Declaration

view.resumeAnimation(animation)

Parameters

Type	Name	Description
Animation	animation	Animation to resume

setAnimationFrame

set animation's current frame

Warning

This function is tagged as EXPERIMENTAL.

See also:

Declaration

view.setAnimationFrame(animation, frame)

Parameters

Type	Name	Description
Animation	animation	Animation to set frame
AnimationTime	frame	Frame to set

setAnimationLoop

set animation's looping status

Warning

This function is tagged as EXPERIMENTAL.

See also:

Declaration

view.setAnimationLoop(animation, loop)

Parameters

Type	Name	Description
Animation	animation	Animation to set loop status
Boolean	loop	Should the animation loop?

setAnimationSpeed

set animation's playing speed

Warning

This function is tagged as EXPERIMENTAL.

See also:

Declaration

view.setAnimationSpeed(animation, speed)

Parameters

Type	Name	Description
Animation	animation	Animation to set speed
Double	speed	The speed

stopAllAnimation

stops all animations

Warning

This function is tagged as EXPERIMENTAL.

See also:

Declaration

view.stopAllAnimation(applyDefault=True)

Parameters

Type	Name	Description
Bool	applyDefault	Should the default position be applied

stopAnimation

stops an animation

Warning

This function is tagged as EXPERIMENTAL.

See also:

Declaration

view.stopAnimation(animation, applyDefault=True)

Parameters

Type	Name	Description
Animation	animation	Animation to stop
Bool	applyDefault	Should the default position be applied

getD3D11Texture

Declaration

view.getD3D11Texture(renderMap, viewer=-1) -> view.D3D11Texture

Parameters

Type	Name	Description
RenderMap	renderMap
Viewer	viewer

Returns

Type	Description
D3D11Texture

getGLTextureHandle

Declaration

view.getGLTextureHandle(renderMap, viewer=-1) -> view.GLTextureHandle

Parameters

Type	Name	Description
RenderMap	renderMap
Viewer	viewer

Returns

Type	Description
GLTextureHandle

getVulkanTexture

Declaration

view.getVulkanTexture(renderMap, viewer=-1) -> view.VulkanTexture

Parameters

Type	Name	Description
RenderMap	renderMap
Viewer	viewer

Returns

Type	Description
VulkanTexture

createGPUScene

See also:

Declaration

view.createGPUScene(roots, constructEdges=False, useIsolate=True) -> view.GPUScene

Parameters

Type	Name	Description
OccurrenceList	roots	Roots of the subtrees that will be uploaded to GPU
Bool	constructEdges	Construct buffer to render edges colored by topology (slower to construct)
Bool	useIsolate	Indicates if the isolate manager should be used for visibility

Returns

Type	Description
GPUScene	Identifier of the newly created GPU Scene

destroyGPUScene

See also:

Declaration

view.destroyGPUScene(scene)

Parameters

Type	Name	Description
GPUScene	scene	GPU Scene to destroy (previously created by createGPUScene)

getGlobalGPUScene

Returns (and create if it does not exist) a global GPU scene (with the scene root) to be used commonly by several clients

See also:

Declaration

view.getGlobalGPUScene() -> view.GPUScene

Returns

Type	Description
GPUScene	Identifier of the global GPU Scene

getLastAABB

Return the lastAABB computed during a frame drawing, requires the viewer property ComputeLastAABB to be True

See also:

Declaration

view.getLastAABB(scene, viewer) -> geom.AABB

Parameters

Type	Name	Description
GPUScene	scene	Identifier of the GPU scene to get the last AABB from
Viewer	viewer

Returns

Type	Description
AABB	The last scene AABB computed during the last frame

getOccurrenceIndex

Returns the occurrence index in the viewer buffers. Can be used for mapping an index retrieved in a GLTextureHandle id map.

See also:

Declaration

view.getOccurrenceIndex(occurrence, scene) -> core.UInt

Parameters

Type	Name	Description
Occurrence	occurrence	Occurrence identifier
GPUScene	scene	Scene identifier

Returns

Type	Description
UInt	Occurrence index

getSceneIndex

Returns the GPU scene index in the viewer buffers. Can be used for mapping an index retrieved in a GLTextureHandle id map.

See also:

Declaration

view.getSceneIndex(scene, viewer) -> core.UInt

Parameters

Type	Name	Description
GPUScene	scene	GPU scene identifier
Viewer	viewer	Viewer identifier

Returns

Type	Description
UInt	GPU scene index

lockGPUSceneUpdate

Lock the mutex that ensure no update of the gpu scene is done between lock/unlock

See also:

Declaration

view.lockGPUSceneUpdate(scene)

Parameters

Type	Name	Description
GPUScene	scene	Identifier of the GPU scene to lock update for

lockGPUScenesUpdate

Lock the mutex that ensure no update of multiple gpu scenes is done between lock/unlock

See also:

Declaration

view.lockGPUScenesUpdate(scenes)

Parameters

Type	Name	Description
GPUSceneList	scenes	Identifiers of the GPU scenes to lock update for

tryLockGPUSceneUpdate

Try to lock the mutex that ensure no update of the gpu scene is done between lock/unlock, returns true if the mutex has been locked, false if it was already locked

See also:

Declaration

view.tryLockGPUSceneUpdate(scene) -> core.Bool

Parameters

Type	Name	Description
GPUScene	scene	Identifier of the GPU scene to try to lock update for

Returns

Type	Description
Bool	True if the mutex has been successfully locked

tryLockGPUScenesUpdate

Try to lock the mutex that ensure no update of multiple gpu scenes is done between lock/unlock, returns true if the mutex has been locked, false if it was already locked

See also:

Declaration

view.tryLockGPUScenesUpdate(scenes) -> core.BoolList

Parameters

Type	Name	Description
GPUSceneList	scenes	Identifiers of the GPU scenes to try to lock update for

Returns

Type	Description
BoolList	For each scene, true if the mutex has been successfully locked

unlockGPUSceneUpdate

Unlock the mutex that ensure no update of the gpu scene is done between lock/unlock

See also:

Declaration

view.unlockGPUSceneUpdate(scene)

Parameters

Type	Name	Description
GPUScene	scene	Identifier of the GPU scene to unlock update for

unlockGPUScenesUpdate

Unlock the mutex that ensure no update of multiple gpu scenes is done between lock/unlock

See also:

Declaration

view.unlockGPUScenesUpdate(scenes)

Parameters

Type	Name	Description
GPUSceneList	scenes	Identifiers of the GPU scenes to unlock update for

addGPUScene

Add a GPU scene to a viewer

See also:

Declaration

view.addGPUScene(scene, viewer=-1)

Parameters

Type	Name	Description
GPUScene	scene	GPU Scene to render in the viewer
Viewer	viewer	Viewer id returned by the createViewer function. -1 uses the default viewer id (see setDefaultViewerId).

createViewer

Create a new viewer

See also:

Declaration

view.createViewer(width, height, sharedContext=view.GraphicsContext(), nbViews=1) -> view.Viewer

Parameters

Type	Name	Description
Int	width	Width of the viewer framebuffer
Int	height	Height of the viewer framebuffer
GraphicsContext	sharedContext	Interop context handle
Int	nbViews	Nb views

Returns

Type	Description
Viewer

destroyViewer

See also:

Declaration

view.destroyViewer(viewer)

Parameters

Type	Name	Description
Viewer	viewer	Viewer to destroy

drawCappingPlane

Create an occurrence that holds the mesh of the surfaces that have been cut by the cutting plane

See also:

Declaration

view.drawCappingPlane(cuttingPlane) -> scene.Occurrence

Parameters

Type	Name	Description
Component	cuttingPlane	Cutting plane component for which we create the capping plane

Returns

Type	Description
Occurrence	The created occurrence

getAutoClipping

Automatically compute the near and far planes depending on the scene

See also:

Declaration

view.getAutoClipping(viewer=-1, cameraPos) -> geom.Vector2

Parameters

Type	Name	Description
Viewer	viewer	Viewer id returned by the createViewer function. -1 uses the default viewer id (see setDefaultViewerId).
Vector3	cameraPos

Returns

Type	Description
Vector2

getCameraFrontAxis

Get the front axis of the nth view matrix of a given viewer

See also:

Declaration

view.getCameraFrontAxis(viewer=-1, matrixIndex=0) -> geom.Vector3

Parameters

Type	Name	Description
Viewer	viewer	Viewer id returned by the createViewer function. -1 uses the default viewer id (see setDefaultViewerId).
UInt	matrixIndex	Index of the view matrix to use.

Returns

Type	Description
Vector3

getCameraPosition

Get the position of the nth view matrix of a given viewer

See also:

Declaration

view.getCameraPosition(viewer=-1, matrixIndex=0) -> geom.Vector3

Parameters

Type	Name	Description
Viewer	viewer	Viewer id returned by the createViewer function. -1 uses the default viewer id (see setDefaultViewerId).
UInt	matrixIndex	Index of the view matrix to use.

Returns

Type	Description
Vector3

getCameraRightAxis

Get the right axis of the nth view matrix of a given viewer

See also:

Declaration

view.getCameraRightAxis(viewer=-1, matrixIndex=0) -> geom.Vector3

Parameters

Type	Name	Description
Viewer	viewer	Viewer id returned by the createViewer function. -1 uses the default viewer id (see setDefaultViewerId).
UInt	matrixIndex	Index of the view matrix to use.

Returns

Type	Description
Vector3

getCameraUpAxis

Get the up axis of the nth view matrix of a given viewer

See also:

Declaration

view.getCameraUpAxis(viewer=-1, matrixIndex=0) -> geom.Vector3

Parameters

Type	Name	Description
Viewer	viewer	Viewer id returned by the createViewer function. -1 uses the default viewer id (see setDefaultViewerId).
UInt	matrixIndex	Index of the view matrix to use.

Returns

Type	Description
Vector3

getViewerProperty

Get a viewer property value

See also:

Declaration

view.getViewerProperty(propertyName, viewer=-1) -> core.String

Parameters

Type	Name	Description
String	propertyName
Viewer	viewer	Viewer id returned by the createViewer function. -1 uses the default viewer id (see setDefaultViewerId).

Returns

Type	Description
String

getViewerPropertyInfo

Get a viewer property info

See also:

Declaration

view.getViewerPropertyInfo(propertyName, viewer=-1) -> core.PropertyInfo

Parameters

Type	Name	Description
String	propertyName
Viewer	viewer	Viewer id returned by the createViewer function. -1 uses the default viewer id (see setDefaultViewerId).

Returns

Type	Description
PropertyInfo

getViewerSize

Retrieve the viewport size of a viewer

See also:

Declaration

view.getViewerSize(viewer=-1) -> core.Int, core.Int

Parameters

Type	Name	Description
Viewer	viewer	Viewer id returned by the createViewer function. -1 uses the default viewer id (see setDefaultViewerId).

Returns

Type	Description
Int

getViewerStats

Returns the number of rendered occurrences and triangles. (Warning: this function does not handle isolate nor invertVisibility viewer property)

See also:

Declaration

view.getViewerStats(viewer=-1) -> core.Int, core.Int

Parameters

Type	Name	Description
Viewer	viewer	Viewer id returned by the createViewer function. -1 uses the default viewer id (see setDefaultViewerId).

Returns

Type	Description
Int	Number of rendered occurrences

identifySelectedEdges

Identify selected edges

Warning

This function is tagged as EXPERIMENTAL.

See also:

Declaration

view.identifySelectedEdges(scene)

Parameters

Type	Name	Description
GPUScene	scene	Identifier of the GPU scene to identify the edges from

invertSelectPrimitives

Invert the selection of the primitives (polygons, surfaces) contained in the given rectangle

See also:

Declaration

view.invertSelectPrimitives(xMin, xMax, yMin, yMax, primitiveType, viewer=-1)

Parameters

Type	Name	Description
Int	xMin
Int	xMax
Int	yMin
Int	yMax
PrimitiveSelectionType	primitiveType
Viewer	viewer

listViewerProperties

Get the list of viewer properties

See also:

Declaration

view.listViewerProperties(viewer=-1) -> core.PropertyInfoList

Parameters

Type	Name	Description
Viewer	viewer	Viewer id returned by the createViewer function. -1 uses the default viewer id (see setDefaultViewerId).

Returns

Type	Description
PropertyInfoList

pick

See also:

Declaration

view.pick(x, y, viewer=-1) -> scene.Occurrence, geom.Point3, core.Ident

Parameters

Type	Name	Description
Int	x
Int	y
Viewer	viewer

Returns

Type	Description
Occurrence	Picked occurrence, 0 if not occurrence picked

pickRectangle

See also:

Declaration

view.pickRectangle(xMin, xMax, yMin, yMax, viewer=-1, inDepth=False) -> scene.OccurrenceList

Parameters

Type	Name	Description
Int	xMin
Int	xMax
Int	yMin
Int	yMax
Viewer	viewer
Bool	inDepth

Returns

Type	Description
OccurrenceList	List of picked occurrences

refreshViewer

Refresh the viewer

See also:

Declaration

view.refreshViewer(viewer=-1)

Parameters

Type	Name	Description
Viewer	viewer	Viewer to refresh

removeGPUScene

Remove a viewer root

See also:

Declaration

view.removeGPUScene(scene, viewer=-1)

Parameters

Type	Name	Description
GPUScene	scene	GPU Scene to remove from the viewer
Viewer	viewer	Viewer id returned by the createViewer function. -1 uses the default viewer id (see setDefaultViewerId).

resizeViewer

See also:

Declaration

view.resizeViewer(width, height, viewer=-1)

Parameters

Type	Name	Description
Int	width	Width of the viewer framebuffer
Int	height	Height of the viewer framebuffer
Viewer	viewer	Viewer id returned by the createViewer function. -1 uses the default viewer id (see setDefaultViewerId).

selectPrimitives

Select the primitives (polygons, surfaces) contained in the given rectangle

See also:

Declaration

view.selectPrimitives(xMin, xMax, yMin, yMax, primitiveType, viewer=-1)

Parameters

Type	Name	Description
Int	xMin
Int	xMax
Int	yMin
Int	yMax
PrimitiveSelectionType	primitiveType
Viewer	viewer

setDefaultViewerId

Set default viewer id. This viewer will be used in other functions taking a Viewer as a parameter. Useful if a viewer needs to be shared across different contexts.

See also:

Declaration

view.setDefaultViewerId(viewer)

Parameters

Type	Name	Description
Viewer	viewer

setViewerProperty

Set a viewer property value

See also:

Declaration

view.setViewerProperty(propertyName, propertyValue, viewer=-1)

Parameters

Type	Name	Description
String	propertyName
String	propertyValue
Viewer	viewer	Viewer id returned by the createViewer function. -1 uses the default viewer id (see setDefaultViewerId).

unselectPrimitives

Unselect the primitives (polygons, surfaces) contained in the given rectangle

See also:

Declaration

view.unselectPrimitives(xMin, xMax, yMin, yMax, primitiveType, viewer=-1)

Parameters

Type	Name	Description
Int	xMin
Int	xMax
Int	yMin
Int	yMax
PrimitiveSelectionType	primitiveType
Viewer	viewer

getCompositedImage

See also:

Declaration

view.getCompositedImage(viewer) -> material.ImageDefinition

Parameters

Type	Name	Description
Viewer	viewer

Returns

Type	Description
ImageDefinition	Returned composited image

getRenderMapImage

See also:

Declaration

view.getRenderMapImage(viewer, renderMap) -> material.ImageDefinition

Parameters

Type	Name	Description
Viewer	viewer
RenderMap	renderMap

Returns

Type	Description
ImageDefinition	Returned composited image

takeScreenshot

See also:

Declaration

view.takeScreenshot(fileName, viewer)

Parameters

Type	Name	Description
OutputFilePath	fileName	Path where to save the screenshot
Viewer	viewer

createStreamedViewer

create a viewer for streaming

See also:

Declaration

view.createStreamedViewer(width, height, encoderSettings=None, useWebRTC=False, webRTCInfo=None) -> view.StreamedViewerInfo

Parameters

Type	Name	Description
Int	width	Width of the viewer framebuffer
Int	height	Height of the viewer framebuffer
EncoderSettings	encoderSettings	Settings used for the encoder
Boolean	useWebRTC	Switch between raw websockets and webRTC
WebRTCInfo	webRTCInfo	Info for web rtc signaling connection

Returns

Type	Description
StreamedViewerInfo	Port and host for stream connection

resizeStreamedViewer

See also:

Declaration

view.resizeStreamedViewer(width, height, viewer=-1, encoderSettings=None)

Parameters

Type	Name	Description
Int	width	Width of the viewer framebuffer
Int	height	Height of the viewer framebuffer
Viewer	viewer
EncoderSettings	encoderSettings	Settings used for the encoder

startRecording

record viewer in a file

See also:

Declaration

view.startRecording(filePath, viewer, encoderSettings=None)

Parameters

Type	Name	Description
String	filePath	File in which video while be saved
Viewer	viewer	Viewer to use for recording video
EncoderSettings	encoderSettings	Settings used for the encoder

stopRecording

stop recording video

See also:

Declaration

view.stopRecording(viewer)

Parameters

Type	Name	Description
Viewer	viewer	Viewer to use for recording video

fitCamera

Set the viewer matrices to adjust the camera to the scene

See also:

Declaration

view.fitCamera(direction, cameraType=1, fov=90, viewer=-1, fitToOccurrences=[])

Parameters

Type	Name	Description
Vector3	direction	Camera direction
CameraType	cameraType	Camera type, Orthographic or Perspective
Angle	fov	Field of view (perspective mode only)
Viewer	viewer	Viewer id returned by the createViewer function. -1 uses the default viewer id (see setDefaultViewerId).
OccurrenceList	fitToOccurrences

getViewerMatrices

See also:

Declaration

view.getViewerMatrices(viewer=-1) -> geom.Matrix4List, geom.Matrix4List, geom.Vector2

Parameters

Type	Name	Description
Viewer	viewer	Viewer id returned by the createViewer function. -1 uses the default viewer id (see setDefaultViewerId).

Returns

Type	Description
Matrix4List

setViewerMatrices

See also:

Declaration

view.setViewerMatrices(views, projs, clipping, viewer=-1)

Parameters

Type	Name	Description
Matrix4List	views
Matrix4List	projs
Vector2	clipping
Viewer	viewer	Viewer id returned by the createViewer function. -1 uses the default viewer id (see setDefaultViewerId).

visibilityShoot

Render one frame of the visibility session

Declaration

view.visibilityShoot(viewer=-1, parts=True, patches=True, polygons=True, countOnce=False) -> scene.OccurrenceList

Parameters

Type	Name	Description
Viewer	viewer	Viewer to use for the visibility shoot
Bool	parts	If false, optimize when parts seen are not wanted
Bool	patches	If false, optimize when patches seen are not wanted
Bool	polygons	If false, optimize when polygons seen are not wanted
Bool	countOnce	Optimize when it is not needed to count the numbers of pixels seen during the session

Returns

Type	Description
OccurrenceList	The list of scene paths seen from this shoot

AfterFramebufferCreate

Declaration

def onAfterFramebufferCreate(viewer):
    pass

id = view.addAfterFramebufferCreateCallback(onAfterFramebufferCreate)

...

view.removeAfterFramebufferCreateCallback(id)

Parameters

Type	Name	Description
Viewer	viewer

AfterViewerPropertyChanged

Declaration

def onAfterViewerPropertyChanged(viewer, property):
    pass

id = view.addAfterViewerPropertyChangedCallback(onAfterViewerPropertyChanged)

...

view.removeAfterViewerPropertyChangedCallback(id)

Parameters

Type	Name	Description
Viewer	viewer	Viewer id
String	property	Property changed

BeforeFramebufferDelete

Declaration

def onBeforeFramebufferDelete(viewer):
    pass

id = view.addBeforeFramebufferDeleteCallback(onBeforeFramebufferDelete)

...

view.removeBeforeFramebufferDeleteCallback(id)

Parameters

Type	Name	Description
Viewer	viewer

BeforeViewerPropertyChanged

Declaration

def onBeforeViewerPropertyChanged(viewer, property):
    pass

id = view.addBeforeViewerPropertyChangedCallback(onBeforeViewerPropertyChanged)

...

view.removeBeforeViewerPropertyChangedCallback(id)

Parameters

Type	Name	Description
Viewer	viewer	Viewer id
String	property	Property changed

AnimationPausedOrStopped

Declaration

def onAnimationPausedOrStopped(animation):
    pass

id = view.addAnimationPausedOrStoppedCallback(onAnimationPausedOrStopped)

...

view.removeAnimationPausedOrStoppedCallback(id)

Parameters

Type	Name	Description
Animation	animation	Paused or stopped animation

AnimationPlayedOrResumed

Declaration

def onAnimationPlayedOrResumed(animation):
    pass

id = view.addAnimationPlayedOrResumedCallback(onAnimationPlayedOrResumed)

...

view.removeAnimationPlayedOrResumedCallback(id)

Parameters

Type	Name	Description
Animation	animation	Played or resumed animation

AnimationPlayingStatusChanged

Declaration

def onAnimationPlayingStatusChanged(animation, playInfo):
    pass

id = view.addAnimationPlayingStatusChangedCallback(onAnimationPlayingStatusChanged)

...

view.removeAnimationPlayingStatusChangedCallback(id)

Parameters

Type	Name	Description
Animation	animation	Paused or stopped animation
AnimationPlayerInfo	playInfo	Animation info