Fix editor interaction, loading, and IFC cleanup (#385)
* fix: update site labels after camera swaps * fix: gate scene display until viewer is ready * fix: render scene loader on first paint * fix: keep loader during pending scene graph * feat: add wasd camera panning * feat: add x delete mode shortcut * feat: add floorplan north compass * fix: move floorplan compass to lower corner * fix: progressively rebuild heavy scene geometry * fix: simplify noisy ifc wall output
This commit is contained in:
Wassim SAMAD
@@ -0,0 +1,517 @@
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import {
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type AnyNode,
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DEFAULT_WALL_HEIGHT,
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DEFAULT_WALL_THICKNESS,
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type DoorNode,
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type WallNode,
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type WindowNode,
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} from '@pascal-app/core'
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type SceneNodes = Record<string, AnyNode>
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type OpeningNode = DoorNode | WindowNode
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export type IfcConversionSimplificationOptions = {
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enabled?: boolean
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maxWallJoinGap?: number
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}
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export type IfcConversionSimplificationStats = {
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input: {
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walls: number
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doors: number
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windows: number
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}
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output: {
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walls: number
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doors: number
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windows: number
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}
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removedTinyWalls: number
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mergedWallGroups: number
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removedMergedWalls: number
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removedDuplicateOpenings: number
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}
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type WallSegment = {
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id: string
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wall: WallNode
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parentId: string | null
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axisX: number
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axisY: number
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normalX: number
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normalY: number
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offset: number
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t0: number
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t1: number
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length: number
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height: number
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thickness: number
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angleBucket: number
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}
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const MIN_WALL_LENGTH = 0.08
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const WALL_ANGLE_BUCKET_RAD = Math.PI / 180
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const DEFAULT_MAX_WALL_JOIN_GAP = 1.25
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const WALL_HEIGHT_TOLERANCE = 0.35
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const OPENING_DUPLICATE_TOLERANCE = 0.05
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function countNodes(nodes: SceneNodes, type: AnyNode['type']) {
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return Object.values(nodes).filter((node) => node.type === type).length
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}
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function getInitialStats(nodes: SceneNodes): IfcConversionSimplificationStats {
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return {
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input: {
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walls: countNodes(nodes, 'wall'),
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doors: countNodes(nodes, 'door'),
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windows: countNodes(nodes, 'window'),
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},
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output: {
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walls: 0,
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doors: 0,
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windows: 0,
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},
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removedTinyWalls: 0,
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mergedWallGroups: 0,
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removedMergedWalls: 0,
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removedDuplicateOpenings: 0,
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}
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}
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function finishStats(nodes: SceneNodes, stats: IfcConversionSimplificationStats) {
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stats.output = {
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walls: countNodes(nodes, 'wall'),
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doors: countNodes(nodes, 'door'),
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windows: countNodes(nodes, 'window'),
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}
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}
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function isOpeningNode(node: AnyNode | undefined): node is OpeningNode {
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return node?.type === 'door' || node?.type === 'window'
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}
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function getOpeningWallId(opening: OpeningNode, nodes: SceneNodes) {
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if (opening.wallId && nodes[opening.wallId]?.type === 'wall') return opening.wallId
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if (opening.parentId && nodes[opening.parentId]?.type === 'wall') return opening.parentId
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return null
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}
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function uniqueExistingChildren(children: string[] | undefined, nodes: SceneNodes) {
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const next: string[] = []
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const seen = new Set<string>()
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for (const childId of children ?? []) {
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if (!(childId in nodes) || seen.has(childId)) continue
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seen.add(childId)
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next.push(childId)
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}
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return next
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}
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function normalizeChildren(nodes: SceneNodes) {
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for (const node of Object.values(nodes)) {
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const withChildren = node as { children?: string[] }
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if (Array.isArray(withChildren.children)) {
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withChildren.children = uniqueExistingChildren(withChildren.children, nodes)
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}
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}
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}
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function syncWallOpeningChildren(nodes: SceneNodes) {
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for (const node of Object.values(nodes)) {
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if (node.type !== 'wall') continue
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node.children = uniqueExistingChildren(node.children, nodes) as WallNode['children']
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}
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for (const node of Object.values(nodes)) {
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if (!isOpeningNode(node)) continue
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const wallId = getOpeningWallId(node, nodes)
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const wall = wallId ? nodes[wallId] : undefined
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if (wall?.type !== 'wall') continue
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if (!wall.children.includes(node.id)) {
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wall.children.push(node.id)
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}
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}
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}
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function removeNodeFromParents(nodes: SceneNodes, nodeId: string) {
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for (const node of Object.values(nodes)) {
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const withChildren = node as { children?: string[] }
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if (!Array.isArray(withChildren.children)) continue
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withChildren.children = withChildren.children.filter((childId) => childId !== nodeId)
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}
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}
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function wallLength(wall: WallNode) {
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return Math.hypot(wall.end[0] - wall.start[0], wall.end[1] - wall.start[1])
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}
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function pruneTinyWalls(nodes: SceneNodes, stats: IfcConversionSimplificationStats) {
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for (const node of Object.values(nodes)) {
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if (node.type !== 'wall') continue
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if (wallLength(node) >= MIN_WALL_LENGTH) continue
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if (node.children.length > 0) continue
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delete nodes[node.id]
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removeNodeFromParents(nodes, node.id)
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stats.removedTinyWalls += 1
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}
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}
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function toWallSegment(wall: WallNode): WallSegment | null {
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if (wall.curveOffset !== undefined && Math.abs(wall.curveOffset) > 1e-6) return null
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const dx = wall.end[0] - wall.start[0]
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const dy = wall.end[1] - wall.start[1]
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const length = Math.hypot(dx, dy)
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if (length < MIN_WALL_LENGTH) return null
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let axisX = dx / length
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let axisY = dy / length
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if (axisX < -1e-6 || (Math.abs(axisX) <= 1e-6 && axisY < 0)) {
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axisX = -axisX
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axisY = -axisY
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}
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const normalX = -axisY
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const normalY = axisX
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const startT = wall.start[0] * axisX + wall.start[1] * axisY
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const endT = wall.end[0] * axisX + wall.end[1] * axisY
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const startOffset = wall.start[0] * normalX + wall.start[1] * normalY
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const endOffset = wall.end[0] * normalX + wall.end[1] * normalY
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const angle = Math.atan2(axisY, axisX)
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return {
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id: wall.id,
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wall,
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parentId: wall.parentId ?? null,
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axisX,
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axisY,
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normalX,
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normalY,
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offset: (startOffset + endOffset) / 2,
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t0: Math.min(startT, endT),
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t1: Math.max(startT, endT),
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length,
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height: wall.height ?? DEFAULT_WALL_HEIGHT,
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thickness: wall.thickness ?? DEFAULT_WALL_THICKNESS,
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angleBucket: Math.round(angle / WALL_ANGLE_BUCKET_RAD),
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}
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}
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function wallLineTolerance(a: WallSegment, b: WallSegment) {
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return Math.max(0.06, Math.min(0.14, Math.max(a.thickness, b.thickness) * 0.5))
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}
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function wallHeightCompatible(a: WallSegment, b: WallSegment) {
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return Math.abs(a.height - b.height) <= WALL_HEIGHT_TOLERANCE
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}
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function wallIntervalsCompatible(a: WallSegment, b: WallSegment, maxJoinGap: number) {
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const gap = Math.max(a.t0, b.t0) - Math.min(a.t1, b.t1)
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if (gap <= maxJoinGap) return true
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const overlap = Math.min(a.t1, b.t1) - Math.max(a.t0, b.t0)
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if (overlap <= 0) return false
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return overlap / Math.min(a.length, b.length) >= 0.5
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}
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function wallsCanMerge(a: WallSegment, b: WallSegment, maxJoinGap: number) {
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if (a.parentId !== b.parentId) return false
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if (Math.abs(a.angleBucket - b.angleBucket) > 1) return false
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if (Math.abs(a.offset - b.offset) > wallLineTolerance(a, b)) return false
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if (!wallHeightCompatible(a, b)) return false
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return wallIntervalsCompatible(a, b, maxJoinGap)
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}
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function find(parent: number[], index: number): number {
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let current = index
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while (parent[current] !== current) {
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parent[current] = parent[parent[current]]
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current = parent[current]
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}
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return current
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}
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function union(parent: number[], a: number, b: number) {
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const rootA = find(parent, a)
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const rootB = find(parent, b)
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if (rootA !== rootB) parent[rootB] = rootA
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}
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function openingWorldPosition(opening: OpeningNode, wall: WallNode): [number, number] {
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const length = wallLength(wall)
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if (length < 1e-6) return [wall.start[0], wall.start[1]]
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const axisX = (wall.end[0] - wall.start[0]) / length
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const axisY = (wall.end[1] - wall.start[1]) / length
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const normalX = -axisY
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const normalY = axisX
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const [localX, , localZ] = opening.position
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return [
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wall.start[0] + axisX * localX + normalX * localZ,
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wall.start[1] + axisY * localX + normalY * localZ,
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]
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}
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function clampOpeningAlongWall(opening: OpeningNode, along: number, wallLengthValue: number) {
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const width = opening.width ?? (opening.type === 'door' ? 0.9 : 1.0)
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const half = width / 2
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const lo = Math.min(half, wallLengthValue / 2)
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const hi = Math.max(wallLengthValue - half, wallLengthValue / 2)
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return Math.max(lo, Math.min(hi, along))
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}
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function rehostOpeningToWall(opening: OpeningNode, oldWall: WallNode, newWall: WallNode) {
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const [worldX, worldY] = openingWorldPosition(opening, oldWall)
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const newLength = wallLength(newWall)
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if (newLength < 1e-6) return
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const axisX = (newWall.end[0] - newWall.start[0]) / newLength
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const axisY = (newWall.end[1] - newWall.start[1]) / newLength
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const normalX = -axisY
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const normalY = axisX
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const relX = worldX - newWall.start[0]
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const relY = worldY - newWall.start[1]
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const along = clampOpeningAlongWall(opening, relX * axisX + relY * axisY, newLength)
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const across = relX * normalX + relY * normalY
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opening.parentId = newWall.id
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opening.wallId = newWall.id
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opening.position = [along, opening.position[1], across]
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}
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function pointOnLine(segment: WallSegment, t: number, offset: number): [number, number] {
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return [
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segment.axisX * t + segment.normalX * offset,
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segment.axisY * t + segment.normalY * offset,
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]
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}
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function chooseKeptSegment(cluster: WallSegment[]) {
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return cluster.reduce((best, current) => {
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if (current.wall.children.length !== best.wall.children.length) {
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return current.wall.children.length > best.wall.children.length ? current : best
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}
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return current.length > best.length ? current : best
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}, cluster[0])
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}
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function collectOpeningIdsForWalls(nodes: SceneNodes, wallIds: Set<string>) {
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const childIds = new Set<string>()
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const childOriginWall = new Map<string, string>()
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for (const wallId of wallIds) {
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const wall = nodes[wallId]
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if (wall?.type !== 'wall') continue
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for (const childId of wall.children) {
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childIds.add(childId)
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childOriginWall.set(childId, wallId)
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}
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}
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for (const node of Object.values(nodes)) {
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if (!isOpeningNode(node)) continue
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const wallId = getOpeningWallId(node, nodes)
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if (!wallId || !wallIds.has(wallId)) continue
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childIds.add(node.id)
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childOriginWall.set(node.id, wallId)
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}
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return { childIds, childOriginWall }
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}
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function mergeWallCluster(
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nodes: SceneNodes,
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cluster: WallSegment[],
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stats: IfcConversionSimplificationStats,
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) {
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const kept = chooseKeptSegment(cluster)
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const keptWall = kept.wall
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const wallIds = new Set(cluster.map((segment) => segment.id))
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const originalWalls = new Map(
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cluster.map((segment) => [
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segment.id,
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{
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...segment.wall,
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start: [...segment.wall.start],
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end: [...segment.wall.end],
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children: [...segment.wall.children],
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} as WallNode,
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]),
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)
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const { childIds, childOriginWall } = collectOpeningIdsForWalls(nodes, wallIds)
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const t0 = Math.min(...cluster.map((segment) => segment.t0))
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const t1 = Math.max(...cluster.map((segment) => segment.t1))
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const crossMin = Math.min(...cluster.map((segment) => segment.offset - segment.thickness / 2))
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const crossMax = Math.max(...cluster.map((segment) => segment.offset + segment.thickness / 2))
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const offset = (crossMin + crossMax) / 2
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const thickness = Math.max(...cluster.map((segment) => segment.thickness), crossMax - crossMin)
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const height = Math.max(...cluster.map((segment) => segment.height))
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const mergedExpressIds = cluster
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.map((segment) => (segment.wall.metadata as { expressID?: unknown } | undefined)?.expressID)
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.filter((expressID): expressID is number => typeof expressID === 'number')
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keptWall.start = pointOnLine(kept, t0, offset)
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keptWall.end = pointOnLine(kept, t1, offset)
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keptWall.thickness = thickness
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keptWall.height = height
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keptWall.metadata = {
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...((keptWall.metadata as Record<string, unknown> | undefined) ?? {}),
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ifcSimplification: {
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mergedWallCount: cluster.length,
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mergedExpressIDs: mergedExpressIds,
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},
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}
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const nextChildren = new Set<string>()
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for (const childId of childIds) {
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const child = nodes[childId]
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if (!child) continue
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if (isOpeningNode(child)) {
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const originWallId = childOriginWall.get(childId)
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const originWall = originWallId ? originalWalls.get(originWallId) : undefined
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if (originWall) {
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rehostOpeningToWall(child, originWall, keptWall)
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} else {
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child.parentId = keptWall.id
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child.wallId = keptWall.id
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}
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} else {
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child.parentId = keptWall.id
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}
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nextChildren.add(childId)
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}
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keptWall.children = Array.from(nextChildren) as WallNode['children']
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for (const segment of cluster) {
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if (segment.id === keptWall.id) continue
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delete nodes[segment.id]
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removeNodeFromParents(nodes, segment.id)
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}
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const parent = keptWall.parentId ? nodes[keptWall.parentId] : undefined
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const parentWithChildren = parent as { children?: string[] } | undefined
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if (parentWithChildren?.children && !parentWithChildren.children.includes(keptWall.id)) {
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||||
parentWithChildren.children.push(keptWall.id)
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||||
}
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||||
|
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stats.mergedWallGroups += 1
|
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stats.removedMergedWalls += cluster.length - 1
|
||||
}
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||||
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||||
function mergeWallFragments(
|
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nodes: SceneNodes,
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||||
stats: IfcConversionSimplificationStats,
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||||
options: Required<IfcConversionSimplificationOptions>,
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||||
) {
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||||
const segments = Object.values(nodes)
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||||
.filter((node): node is WallNode => node.type === 'wall')
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||||
.map(toWallSegment)
|
||||
.filter((segment): segment is WallSegment => segment !== null)
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||||
|
||||
const groups = new Map<string, WallSegment[]>()
|
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for (const segment of segments) {
|
||||
const key = `${segment.parentId ?? 'root'}:${segment.angleBucket}`
|
||||
const group = groups.get(key)
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if (group) group.push(segment)
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else groups.set(key, [segment])
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||||
}
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||||
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||||
for (const group of groups.values()) {
|
||||
if (group.length < 2) continue
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||||
const parent = group.map((_, index) => index)
|
||||
|
||||
for (let i = 0; i < group.length; i++) {
|
||||
for (let j = i + 1; j < group.length; j++) {
|
||||
if (wallsCanMerge(group[i], group[j], options.maxWallJoinGap)) {
|
||||
union(parent, i, j)
|
||||
}
|
||||
}
|
||||
}
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||||
|
||||
const clusters = new Map<number, WallSegment[]>()
|
||||
for (let i = 0; i < group.length; i++) {
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const root = find(parent, i)
|
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const cluster = clusters.get(root)
|
||||
if (cluster) cluster.push(group[i])
|
||||
else clusters.set(root, [group[i]])
|
||||
}
|
||||
|
||||
for (const cluster of clusters.values()) {
|
||||
if (cluster.length < 2) continue
|
||||
mergeWallCluster(nodes, cluster, stats)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function signatureNumber(value: number | undefined, tolerance: number) {
|
||||
return Math.round((value ?? 0) / tolerance)
|
||||
}
|
||||
|
||||
function openingSignature(opening: OpeningNode) {
|
||||
const [x, y, z] = opening.position
|
||||
const family =
|
||||
opening.type === 'door'
|
||||
? `${opening.openingKind}:${opening.openingShape}:${opening.doorType}`
|
||||
: `${opening.openingKind}:${opening.openingShape}:${opening.windowType}`
|
||||
return [
|
||||
opening.type,
|
||||
family,
|
||||
signatureNumber(x, OPENING_DUPLICATE_TOLERANCE),
|
||||
signatureNumber(y, OPENING_DUPLICATE_TOLERANCE),
|
||||
signatureNumber(z, OPENING_DUPLICATE_TOLERANCE),
|
||||
signatureNumber(opening.width, OPENING_DUPLICATE_TOLERANCE),
|
||||
signatureNumber(opening.height, OPENING_DUPLICATE_TOLERANCE),
|
||||
].join(':')
|
||||
}
|
||||
|
||||
function dedupeOpenings(nodes: SceneNodes, stats: IfcConversionSimplificationStats) {
|
||||
const byWall = new Map<string, OpeningNode[]>()
|
||||
for (const node of Object.values(nodes)) {
|
||||
if (!isOpeningNode(node)) continue
|
||||
const wallId = getOpeningWallId(node, nodes)
|
||||
if (!wallId) continue
|
||||
const openings = byWall.get(wallId)
|
||||
if (openings) openings.push(node)
|
||||
else byWall.set(wallId, [node])
|
||||
}
|
||||
|
||||
for (const openings of byWall.values()) {
|
||||
const seen = new Set<string>()
|
||||
for (const opening of openings) {
|
||||
const signature = openingSignature(opening)
|
||||
if (!seen.has(signature)) {
|
||||
seen.add(signature)
|
||||
continue
|
||||
}
|
||||
delete nodes[opening.id]
|
||||
removeNodeFromParents(nodes, opening.id)
|
||||
stats.removedDuplicateOpenings += 1
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
export function simplifyConvertedSceneGraph(
|
||||
nodes: SceneNodes,
|
||||
options: IfcConversionSimplificationOptions = {},
|
||||
): IfcConversionSimplificationStats {
|
||||
const stats = getInitialStats(nodes)
|
||||
|
||||
if (options.enabled === false) {
|
||||
finishStats(nodes, stats)
|
||||
return stats
|
||||
}
|
||||
|
||||
const resolvedOptions: Required<IfcConversionSimplificationOptions> = {
|
||||
enabled: true,
|
||||
maxWallJoinGap: options.maxWallJoinGap ?? DEFAULT_MAX_WALL_JOIN_GAP,
|
||||
}
|
||||
|
||||
pruneTinyWalls(nodes, stats)
|
||||
mergeWallFragments(nodes, stats, resolvedOptions)
|
||||
syncWallOpeningChildren(nodes)
|
||||
dedupeOpenings(nodes, stats)
|
||||
normalizeChildren(nodes)
|
||||
finishStats(nodes, stats)
|
||||
return stats
|
||||
}
|
||||
@@ -16,6 +16,12 @@ import {
|
||||
} from '@pascal-app/core'
|
||||
import { customAlphabet } from 'nanoid'
|
||||
import * as WebIFC from 'web-ifc'
|
||||
import { type IfcConversionSimplificationOptions, simplifyConvertedSceneGraph } from './cleanup'
|
||||
|
||||
export type {
|
||||
IfcConversionSimplificationOptions,
|
||||
IfcConversionSimplificationStats,
|
||||
} from './cleanup'
|
||||
|
||||
export type PascalNode = AnyNode
|
||||
|
||||
@@ -636,6 +642,7 @@ export interface ConversionOptions {
|
||||
swapYZ?: boolean
|
||||
extrusionDepthIsHeight?: boolean
|
||||
swapProfileDimensions?: boolean
|
||||
simplify?: boolean | IfcConversionSimplificationOptions
|
||||
label?: string
|
||||
}
|
||||
|
||||
@@ -664,6 +671,12 @@ export async function convertIfcToPascal(
|
||||
extrusionDepthIsHeight: options?.extrusionDepthIsHeight ?? true,
|
||||
swapProfileDimensions: options?.swapProfileDimensions ?? false,
|
||||
}
|
||||
const simplificationOptions =
|
||||
options?.simplify === false
|
||||
? { enabled: false }
|
||||
: typeof options?.simplify === 'object'
|
||||
? options.simplify
|
||||
: undefined
|
||||
|
||||
const progress = (msg: string, pct: number) => {
|
||||
console.log(`[IFC→Pascal] ${msg} (${pct}%)`)
|
||||
@@ -2049,6 +2062,16 @@ export async function convertIfcToPascal(
|
||||
/* no type rels */
|
||||
}
|
||||
|
||||
progress('Simplifying converted scene...', 94)
|
||||
const simplificationStats = simplifyConvertedSceneGraph(nodes, simplificationOptions)
|
||||
if (
|
||||
simplificationStats.removedTinyWalls > 0 ||
|
||||
simplificationStats.removedMergedWalls > 0 ||
|
||||
simplificationStats.removedDuplicateOpenings > 0
|
||||
) {
|
||||
console.log('[IFC→Pascal] Simplification:', simplificationStats)
|
||||
}
|
||||
|
||||
ifcApi.CloseModel(modelID)
|
||||
|
||||
progress('Building scene graph...', 95)
|
||||
|
||||
Reference in New Issue
Block a user