HardwareSelector

Source (.js)Source (.d.ts)

Methods

attach

Attaches a render window + renderer to this hardware selector.

Argument	Type	Required	Description
openglRenderWindow	Nullable<vtkOpenGLRenderWindow>	Yes
renderer	Nullable<vtkRenderer>	Yes

beginSelection

Preps for picking the scene.

Call endSelection() afterwards.

buildPropHitList

Builds the prop hit list.

Argument	Type	Required	Description
pixelBuffer	Uint8Array	Yes

captureBuffers

Captures the scene for picking.

Returns

Type	Description
	whether the capture succeeded.

endSelection

Cleans up picking state.

Should be after a call to beginSelection();

generateSelection

Generates selections in a given area.

Argument	Type	Required	Description
fx1	number	Yes	top left x coord
fy1	number	Yes	top left y coord
fx2	number	Yes	bottom right x coord
fy2	number	Yes	bottom right y coord

getArea

Gets the selection area.

getCurrentPass

Gets the current pass type.

getMaximumCellId

Gets the maximum cell ID.

getMaximumPointId

Gets the maximum point ID.

getPixelBuffer

Get the pixel buffer for a pass type.

Argument	Type	Required	Description
passNo	PassTypes	Yes

getPixelInformation

Gets the selection information for a given pixel.

Argument	Type	Required	Description
inDispPos		Yes	The input diplay position.
maxDistance		Yes	The max distance to consider from the input position.
outDispPos		Yes	The output display position.

getPropColorValue

Gets the prop color value.

getRawPixelBuffer

Get the raw pixel buffer for a pass type.

Argument	Type	Required	Description
passNo	PassTypes	Yes

getRenderer

Gets the current renderer.

getSourceDataAsync

Get the picking source data.

Argument	Type	Required	Description
renderer	vtkRenderer	Yes
fx1	number	Yes	top left x coord
fy1	number	Yes	top left y coord
fx2	number	Yes	bottom right x coord
fy2	number	Yes	bottom right y coord

isPropHit

Has the prop with the given internal ID been hit.

Argument	Type	Required	Description
id	number	Yes

onEvent

Listen to the start/stop events.

Argument	Type	Required	Description
cb		Yes
priority		Yes

passRequired

Determines if a pass is required.

Argument	Type	Required	Description
pass	PassTypes	Yes

passTypeToString

Returns the pass type name as a string.

Argument	Type	Required	Description
type	PassTypes	Yes

postCapturePass

Runs a post-capture pass.

preCapturePass

Runs a pre-capture pass.

processPixelBuffers

Processes the pixel buffers for actors.

releaseGraphicsResources

Releases the pixel buffers and GPU resources owned by this selector.

releasePixBuffers

Releases internal pixel buffer memory.

renderAttributeId

Renders an attribute ID.

Argument	Type	Required	Description
attribId	number	Yes

renderCompositeIndex

Sets the current prop's color value for the composite index.

Argument	Type	Required	Description
index	number	Yes

renderProp

Renders a prop for picking.

Argument	Type	Required	Description
prop	vtkProp	Yes

savePixelBuffer

Saves the pixel buffer from the view.

Argument	Type	Required	Description
pass	PassTypes	Yes

select

Generates a selection.

setArea

Sets the selection area.

Argument	Type	Required	Description
fx1	number	Yes	top left x coord
fy1	number	Yes	top left y coord
fx2	number	Yes	bottom right x coord
fy2	number	Yes	bottom right y coord

setArea

Sets the selection area.

Argument	Type	Required	Description
area		Yes	An area bounding box

setCurrentPass

Sets the current pass type.

Argument	Type	Required	Description
pass	PassTypes	Yes

setMaximumCellId

Sets the maximum cell ID.

Argument	Type	Required	Description
id	number	Yes

setMaximumPointId

Sets the maximum point ID.

Argument	Type	Required	Description
id	number	Yes

setOpenGLRenderWindow

Sets the current opengl render window.

Argument	Type	Required	Description
oglrw	vtkOpenGLRenderWindow	Yes

setPropColorValue

Sets the prop's color value.

Argument	Type	Required	Description
r	number	Yes
g	number	Yes
b	number	Yes

setPropColorValue

Sets the prop's color value.

Argument	Type	Required	Description
color	Vector3	Yes

setPropColorValueFromInt

Sets the internal color used for coloring the current prop.

Argument	Type	Required	Description
val	number	Yes

setRenderer

Sets the current renderer.

Argument	Type	Required	Description
ren	vtkRenderer	Yes