RenderContext Class
Provides context for producing RenderGraphics for drawing within a Viewport.
Extended by
Methods
Name | Description | |
---|---|---|
constructor(vp: Viewport, frustum?: Frustum): RenderContext | ||
createBranch(branch: GraphicBranch, location: Transform): RenderGraphic | Create a RenderGraphic which groups a set of graphics into a node in a scene graph, applying to each a transform and optional clip volume and symbology overrides. | |
createSceneGraphicBuilder(transform?: Transform): GraphicBuilder | Create a builder for creating a GraphicType.Scene RenderGraphic for rendering within this context's Viewport. | |
getPixelSizeAtPoint(inPoint?: Primitives.Point3d): number | Given a point in world coordinates, determine approximately how many pixels it occupies on screen based on this context's frustum. |
Properties
Name | Type | Description | |
---|---|---|---|
frustum | Frustum | Frustum extracted from the context's Viewport. | |
frustumPlanes | FrustumPlanes | Frustum planes extracted from the context's Viewport. | |
viewFlags | ViewFlags | ViewFlags extracted from the context's Viewport. | |
viewport | Viewport | The Viewport associated with this context. |
Defined in
Last Updated: 05 June, 2020