API Reference › core-frontend› Tiles › TileDrawArgs

TileDrawArgs Class

Provides context used when selecting and drawing Tiles.

@see - selectTiles

  • TileTree.draw

Methods

Name Description
constructor(params: TileDrawArgParams): TileDrawArgs Constructor  
addAppearanceProvider(provider: FeatureAppearanceProvider): void Add a provider to supplement or override the symbology overrides for the view.  
computePixelSizeInMetersAtClosestPoint(center: Point3d, radius: number): number Compute the size in meters of one pixel at the point on a sphere closest to the camera.  
drawGraphics(): void Output graphics for all accumulated tiles.  
drawGraphicsWithType(graphicType: TileGraphicType, graphics: GraphicBranch): void Output graphics of the specified type for all accumulated tiles.  
getPixelSize(tile: Tile): number Compute the size in pixels of the specified tile at the point on its bounding sphere closest to the camera.  
getPixelSizeInMetersAtClosestPoint(tile: Tile): number Compute the size in meters of one pixel at the point on the tile's bounding sphere closest to the camera.  
getRangePixelSize(range: Range3d): number Compute this size of a sphere on screen in pixels  
insertMissing(tile: Tile): void Indicate that graphics for the specified tile are desired but not yet available.  
markChildrenLoading(): void Indicate that some requested child tiles are not yet loaded.  
markReady(tile: Tile): void Indicate that the specified tile should be displayed and that its graphics are ready to be displayed.  
markUsed(tile: Tile): void Indicate that the specified tile is being used for some purpose by the SceneContext's Viewport.  

Properties

Name Type Description
_frustumPlanes Protected FrustumPlanes | undefined The planes of the viewing frustum, used for frustum culling.  
appearanceProvider Accessor ReadOnly undefined | FeatureAppearanceProvider Optionally customizes aspects of the view's Overrides.  
boundingRange Range3d | undefined If defined, a bounding range in tile tree coordinates outside of which tiles should not be selected.  
clipVolume undefined | RenderClipVolume Optional clip volume applied to the tiles.  
context Readonly SceneContext The context in which the tiles will be drawn, exposing, e.g., the Viewport and accepting RenderGraphics to be drawn.  
frustumPlanes Accessor ReadOnly FrustumPlanes The planes of the viewing frustum, used for frustum culling.  
graphics Readonly GraphicBranch Holds the tile graphics to be drawn.  
hiddenLineSettings HiddenLine.Settings | undefined Optional overrides for the view's hidden line settings.  
intersectionClip ClipVector | undefined If defined, tiles will be culled if they do not intersect this clip.  
location Readonly Transform Transform to the location in iModel coordinates at which the tiles are to be drawn.  
maxRealityTreeSelectionCount Accessor ReadOnly undefined | number    
parentsAndChildrenExclusive boolean True if a tile and its child tiles should not be drawn simultaneously.  
readyTiles Readonly Set<Tile> Tiles that we want to draw and that are ready to draw.  
shouldCollectClassifierGraphics Accessor ReadOnly boolean    
symbologyOverrides Accessor ReadOnly undefined | FeatureSymbology.Overrides If defined, replaces the view's own symbology overrides when drawing the tiles.  
tileSizeModifier Accessor ReadOnly number A multiplier applied to a Tile's maximumSize property to adjust level of detail.  
tree Readonly TileTree The tile tree being drawn.  
viewClip Readonly ClipVector | undefined Optional clip volume applied to all tiles in the view.  
viewFlagOverrides Accessor ReadOnly Partial<Mutable<NonFunctionPropertiesOf<ViewFlags>>> Overrides applied to the view's ViewFlags when drawing the tiles.  
viewingSpace ViewingSpace Describes the viewed volume.  
worldToViewMap Accessor ReadOnly Map4d Provides conversions between CoordSystem.World and CoordSystem.View.  

Defined in

Last Updated: 24 October, 2025