分模候选方案
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+55
-17
@@ -221,9 +221,49 @@ class HTMLGenerator:
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const cavityData = {json.dumps(cavity_data, indent=2) if cavity_data else 'null'};
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const pointcloudData = {json.dumps(pointcloud_data, indent=2) if pointcloud_data else 'null'};
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function toFlatArray(data) {{
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if (!Array.isArray(data)) return [];
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if (data.length === 0) return [];
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return Array.isArray(data[0]) ? data.flat() : data;
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}}
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function normalizePositions(rawPositions, center) {{
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const flat = toFlatArray(rawPositions);
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if (!flat.length) return [];
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const normalized = [];
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for (let i = 0; i + 2 < flat.length; i += 3) {{
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const x = Number(flat[i]);
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const y = Number(flat[i + 1]);
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const z = Number(flat[i + 2]);
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if (Number.isFinite(x) && Number.isFinite(y) && Number.isFinite(z)) {{
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normalized.push(
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x - Number(center[0] || 0),
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y - Number(center[1] || 0),
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z - Number(center[2] || 0)
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);
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}}
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}}
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return normalized;
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}}
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function fitCameraToScene() {{
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const sceneBox = new THREE.Box3().setFromObject(scene);
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if (sceneBox.isEmpty()) return;
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const center = new THREE.Vector3();
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const size = new THREE.Vector3();
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sceneBox.getCenter(center);
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sceneBox.getSize(size);
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const maxDim = Math.max(size.x, size.y, size.z) || 100;
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const distance = maxDim * 2.2;
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camera.position.set(center.x + distance, center.y + distance, center.z + distance);
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controls.target.copy(center);
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controls.update();
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}}
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// 根据边界框创建几何体
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const bbox = geometryData.bounding_box;
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if (bbox) {{
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const centerOffset = bbox.center || [0, 0, 0];
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const width = bbox.dimensions ? bbox.dimensions[0] : 100;
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const height = bbox.dimensions ? bbox.dimensions[1] : 100;
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const depth = bbox.dimensions ? bbox.dimensions[2] : 100;
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@@ -232,12 +272,12 @@ class HTMLGenerator:
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if (pointcloudData && pointcloudData.points && pointcloudData.points.length > 0) {{
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// 创建点云几何体
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const pointGeometry = new THREE.BufferGeometry();
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const positions = new Float32Array(pointcloudData.points.flat());
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const positions = new Float32Array(normalizePositions(pointcloudData.points, centerOffset));
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pointGeometry.setAttribute('position', new THREE.BufferAttribute(positions, 3));
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// 添加法向量（如果有）
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if (pointcloudData.normals && pointcloudData.normals.length > 0) {{
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const normals = new Float32Array(pointcloudData.normals.flat());
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const normals = new Float32Array(toFlatArray(pointcloudData.normals));
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pointGeometry.setAttribute('normal', new THREE.BufferAttribute(normals, 3));
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}}
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@@ -286,8 +326,8 @@ class HTMLGenerator:
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if (cavityVerts.length > 0 && cavityFaces.length > 0) {{
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const cavityGeometry = new THREE.BufferGeometry();
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const positions = new Float32Array(cavityVerts);
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const indices = new Uint32Array(cavityFaces);
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const positions = new Float32Array(normalizePositions(cavityVerts, centerOffset));
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const indices = new Uint32Array(toFlatArray(cavityFaces));
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cavityGeometry.setAttribute('position', new THREE.BufferAttribute(positions, 3));
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cavityGeometry.setIndex(new THREE.BufferAttribute(indices, 1));
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cavityGeometry.computeVertexNormals();
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@@ -331,8 +371,8 @@ class HTMLGenerator:
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if (coreVerts.length > 0 && coreFaces.length > 0) {{
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const coreGeometry = new THREE.BufferGeometry();
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const positions = new Float32Array(coreVerts);
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const indices = new Uint32Array(coreFaces);
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const positions = new Float32Array(normalizePositions(coreVerts, centerOffset));
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const indices = new Uint32Array(toFlatArray(coreFaces));
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coreGeometry.setAttribute('position', new THREE.BufferAttribute(positions, 3));
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coreGeometry.setIndex(new THREE.BufferAttribute(indices, 1));
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coreGeometry.computeVertexNormals();
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@@ -364,7 +404,7 @@ class HTMLGenerator:
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}}
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// 创建分型面（红色平面）
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const partingGeometry = new THREE.PlaneGeometry(width * 1.2, depth * 1.2);
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const partingGeometry = new THREE.PlaneGeometry(width * 1.2, height * 1.2);
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const partingMaterial = new THREE.MeshBasicMaterial({{
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color: 0xF44336,
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transparent: true,
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@@ -373,7 +413,6 @@ class HTMLGenerator:
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}});
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partingMesh = new THREE.Mesh(partingGeometry, partingMaterial);
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partingMesh.rotation.x = Math.PI / 2;
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partingMesh.position.set(0, 0, 0);
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scene.add(partingMesh);
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@@ -392,8 +431,8 @@ class HTMLGenerator:
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// 创建简化型腔/A板（定模，分型面以上）— 备用
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function createSimpleCavity(width, height, depth) {{
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// A板：分型面(Z中心)以上的上半模
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const halfHeight = height / 2;
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const cavityGeometry = new THREE.BoxGeometry(width * 1.2, depth * 1.2, halfHeight + 10);
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const halfDepth = depth / 2;
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const cavityGeometry = new THREE.BoxGeometry(width * 1.2, height * 1.2, halfDepth + 10);
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const cavityMaterial = new THREE.MeshPhongMaterial({{
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color: 0x2196F3,
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transparent: true,
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@@ -403,7 +442,7 @@ class HTMLGenerator:
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cavityMesh = new THREE.Mesh(cavityGeometry, cavityMaterial);
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// Z轴开模：A板放在分型面以上
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cavityMesh.position.set(0, 0, halfHeight / 2 + 5);
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cavityMesh.position.set(0, 0, halfDepth / 2 + 5);
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scene.add(cavityMesh);
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const cavityWireframe = new THREE.WireframeGeometry(cavityGeometry);
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@@ -418,8 +457,8 @@ class HTMLGenerator:
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// 创建简化型芯/B板（动模，分型面以下）— 备用
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function createSimpleCore(width, height, depth) {{
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// B板：分型面(Z中心)以下的下半模
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const halfHeight = height / 2;
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const coreGeometry = new THREE.BoxGeometry(width * 1.2, depth * 1.2, halfHeight + 10);
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const halfDepth = depth / 2;
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const coreGeometry = new THREE.BoxGeometry(width * 1.2, height * 1.2, halfDepth + 10);
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const coreMaterial = new THREE.MeshPhongMaterial({{
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color: 0xFF9800,
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transparent: true,
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@@ -429,7 +468,7 @@ class HTMLGenerator:
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coreMesh = new THREE.Mesh(coreGeometry, coreMaterial);
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// Z轴开模：B板放在分型面以下
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coreMesh.position.set(0, 0, -halfHeight / 2 - 5);
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coreMesh.position.set(0, 0, -halfDepth / 2 - 5);
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scene.add(coreMesh);
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const coreWireframe = new THREE.WireframeGeometry(coreGeometry);
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@@ -441,9 +480,8 @@ class HTMLGenerator:
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coreMesh.add(coreLine);
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}}
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// 设置相机位置
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camera.position.set(200, 200, 200);
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camera.lookAt(0, 0, 0);
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// 统一按场景包围盒调整相机，避免模型错位/尺度不一致导致观感混乱
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fitCameraToScene();
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// 动画循环
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function animate() {{
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