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SZCJW
2026-03-08 02:14:07 +08:00
parent 1b7b5b1049
commit db01a4ee6d
2 changed files with 159 additions and 32 deletions
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src/core/mold_generator.py
+45 -7
View File
@@ -5,6 +5,7 @@ import numpy as np
from OCC.Core.BRepOffsetAPI import BRepOffsetAPI_MakeThickSolid
from OCC.Core.BRepAlgoAPI import BRepAlgoAPI_Cut, BRepAlgoAPI_Fuse
from OCC.Core.BRepBuilderAPI import BRepBuilderAPI_MakeFace, BRepBuilderAPI_Transform
from OCC.Core.BRepPrimAPI import BRepPrimAPI_MakeBox
from OCC.Core.Geom import Geom_Plane
from OCC.Core.gp import gp_Pln, gp_Dir, gp_Pnt, gp_Vec, gp_Trsf
from OCC.Core.TopTools import TopTools_ListOfShape
@@ -283,16 +284,53 @@ class MoldCavityGenerator:
return shape
def _split_cavity_core(self, shape: Any, parting_surface: Any) -> Tuple[Any, Any]:
"""分离型腔和型芯"""
"""分离型腔和型芯
型腔(Cavity): 模具中形成产品外表面的部分，是产品形状的负形
型芯(Core): 模具中形成产品内表面的部分，是产品形状的正形
"""
try:
# 使用分型面切割产品
# 上半部分为型腔（Cavity）
# 下半部分为型芯（Core）
from OCC.Core.BRepPrimAPI import BRepPrimAPI_MakeBox
from OCC.Core.BRepAlgoAPI import BRepAlgoAPI_Cut
from OCC.Core.TopExp import TopExp_Explorer
from OCC.Core.TopAbs import TopAbs_SOLID
# 这里需要实现BRepAlgoAPI_Section或类似的切割操作
# 简化：返回相同的形状（实际需实现切割逻辑）
# 获取产品边界框
from OCC.Core.Bnd import Bnd_Box
from OCC.Core.BRepBndLib import brepbndlib
bbox = Bnd_Box()
brepbndlib.Add(shape, bbox)
xmin, ymin, zmin, xmax, ymax, zmax = bbox.Get()
return shape, shape # (cavity, core)
# 计算模具块尺寸（比产品大一定余量）
margin = 20 # mm
mold_xmin = xmin - margin
mold_ymin = ymin - margin
mold_zmin = zmin - margin
mold_xmax = xmax + margin
mold_ymax = ymax + margin
mold_zmax = zmax + margin
# 创建模具块
mold_block = BRepPrimAPI_MakeBox(
gp_Pnt(mold_xmin, mold_ymin, mold_zmin),
gp_Pnt(mold_xmax, mold_ymax, mold_zmax)
).Shape()
# 型腔 = 模具块 - 产品（布尔减法）
cavity_operation = BRepAlgoAPI_Cut(mold_block, shape)
if cavity_operation.IsDone():
cavity = cavity_operation.Shape()
logger.info("型腔生成成功（模具块减去产品）")
else:
logger.warning("型腔布尔运算失败，使用原始形状")
cavity = mold_block
# 型芯 = 产品形状本身（收缩补偿后）
core = shape
logger.info("型芯 = 产品形状")
return cavity, core
except Exception as e:
logger.error(f"型腔分离失败: {e}")
src/utils/html_generator.py
+110 -21
View File
@@ -278,30 +278,89 @@ class HTMLGenerator:
}}
// 创建型腔（上半模 - 蓝色）
const cavityGeometry = new THREE.BoxGeometry(width * 1.1, height * 0.3, depth * 1.1);
const cavityMaterial = new THREE.MeshPhongMaterial({{
color: 0x2196F3,
transparent: true,
opacity: 0.4,
wireframe: false
}});
// 尝试从后端数据获取实际几何，否则使用简化Box
if (cavityData && cavityData.mold_cavities && cavityData.mold_cavities.cavity && cavityData.mold_cavities.cavity.vertices) {{
const cavityVerts = cavityData.mold_cavities.cavity.vertices;
const cavityFaces = cavityData.mold_cavities.cavity.faces;
cavityMesh = new THREE.Mesh(cavityGeometry, cavityMaterial);
cavityMesh.position.set(0, height * 0.6, 0);
scene.add(cavityMesh);
if (cavityVerts.length > 0 && cavityFaces.length > 0) {{
const cavityGeometry = new THREE.BufferGeometry();
const positions = new Float32Array(cavityVerts);
const indices = new Uint32Array(cavityFaces);
cavityGeometry.setAttribute('position', new THREE.BufferAttribute(positions, 3));
cavityGeometry.setIndex(new THREE.BufferAttribute(indices, 1));
cavityGeometry.computeVertexNormals();
const cavityMaterial = new THREE.MeshPhongMaterial({{
color: 0x2196F3,
transparent: true,
opacity: 0.5,
wireframe: false,
side: THREE.DoubleSide
}});
cavityMesh = new THREE.Mesh(cavityGeometry, cavityMaterial);
scene.add(cavityMesh);
// 添加线框
const cavityWireframe = new THREE.WireframeGeometry(cavityGeometry);
const cavityLine = new THREE.LineSegments(cavityWireframe);
cavityLine.material.depthTest = false;
cavityLine.material.opacity = 0.6;
cavityLine.material.transparent = true;
cavityLine.material.color = new THREE.Color(0x1565C0);
cavityMesh.add(cavityLine);
// 设置相机目标为型腔中心
cavityGeometry.computeBoundingBox();
const cavityCenter = new THREE.Vector3();
cavityGeometry.boundingBox.getCenter(cavityCenter);
controls.target.set(cavityCenter.x, cavityCenter.y, cavityCenter.z);
}} else {{
createSimpleCavity(width, height, depth);
}}
}} else {{
createSimpleCavity(width, height, depth);
}}
// 创建型芯（下半模 - 橙色）
const coreGeometry = new THREE.BoxGeometry(width * 1.1, height * 0.3, depth * 1.1);
const coreMaterial = new THREE.MeshPhongMaterial({{
color: 0xFF9800,
transparent: true,
opacity: 0.4,
wireframe: false
}});
if (cavityData && cavityData.mold_cavities && cavityData.mold_cavities.core && cavityData.mold_cavities.core.vertices) {{
const coreVerts = cavityData.mold_cavities.core.vertices;
const coreFaces = cavityData.mold_cavities.core.faces;
coreMesh = new THREE.Mesh(coreGeometry, coreMaterial);
coreMesh.position.set(0, -height * 0.6, 0);
scene.add(coreMesh);
if (coreVerts.length > 0 && coreFaces.length > 0) {{
const coreGeometry = new THREE.BufferGeometry();
const positions = new Float32Array(coreVerts);
const indices = new Uint32Array(coreFaces);
coreGeometry.setAttribute('position', new THREE.BufferAttribute(positions, 3));
coreGeometry.setIndex(new THREE.BufferAttribute(indices, 1));
coreGeometry.computeVertexNormals();
const coreMaterial = new THREE.MeshPhongMaterial({{
color: 0xFF9800,
transparent: true,
opacity: 0.5,
wireframe: false,
side: THREE.DoubleSide
}});
coreMesh = new THREE.Mesh(coreGeometry, coreMaterial);
scene.add(coreMesh);
// 添加线框
const coreWireframe = new THREE.WireframeGeometry(coreGeometry);
const coreLine = new THREE.LineSegments(coreWireframe);
coreLine.material.depthTest = false;
coreLine.material.opacity = 0.6;
coreLine.material.transparent = true;
coreLine.material.color = new THREE.Color(0xE65100);
coreMesh.add(coreLine);
}} else {{
createSimpleCore(width, height, depth);
}}
}} else {{
createSimpleCore(width, height, depth);
}}
// 创建分型面（红色平面）
const partingGeometry = new THREE.PlaneGeometry(width * 1.2, depth * 1.2);
@@ -317,7 +376,7 @@ class HTMLGenerator:
partingMesh.position.set(0, 0, 0);
scene.add(partingMesh);
// 添加线框
// 添加产品线框
if (productMesh) {{
const productWireframe = new THREE.WireframeGeometry(productMesh.geometry);
const productLine = new THREE.LineSegments(productWireframe);
@@ -327,6 +386,21 @@ class HTMLGenerator:
productLine.material.color = new THREE.Color(0x2E7D32);
productMesh.add(productLine);
}}
}}
// 创建简化型腔（备用）
function createSimpleCavity(width, height, depth) {{
const cavityGeometry = new THREE.BoxGeometry(width * 1.2, height * 0.4, depth * 1.2);
const cavityMaterial = new THREE.MeshPhongMaterial({{
color: 0x2196F3,
transparent: true,
opacity: 0.4,
wireframe: false
}});
cavityMesh = new THREE.Mesh(cavityGeometry, cavityMaterial);
cavityMesh.position.set(0, height * 0.7, 0);
scene.add(cavityMesh);
const cavityWireframe = new THREE.WireframeGeometry(cavityGeometry);
const cavityLine = new THREE.LineSegments(cavityWireframe);
@@ -335,6 +409,21 @@ class HTMLGenerator:
cavityLine.material.transparent = true;
cavityLine.material.color = new THREE.Color(0x1565C0);
cavityMesh.add(cavityLine);
}}
// 创建简化型芯（备用）
function createSimpleCore(width, height, depth) {{
const coreGeometry = new THREE.BoxGeometry(width * 1.2, height * 0.4, depth * 1.2);
const coreMaterial = new THREE.MeshPhongMaterial({{
color: 0xFF9800,
transparent: true,
opacity: 0.4,
wireframe: false
}});
coreMesh = new THREE.Mesh(coreGeometry, coreMaterial);
coreMesh.position.set(0, -height * 0.7, 0);
scene.add(coreMesh);
const coreWireframe = new THREE.WireframeGeometry(coreGeometry);
const coreLine = new THREE.LineSegments(coreWireframe);