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Merge branch 'main' of https://nicowebgl.cn/macmini/gitea/nicolas/BL

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nicomacbookpro
2025-08-28 15:10:35 +08:00
parent 529384a8e6 fd18d22c20
commit 5478efef6c
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2
README.md
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@@ -53,7 +53,7 @@ blender --version
### 方法1: 使用运行脚本（推荐） ### 方法1: 使用运行脚本（推荐）
```bash ```bash
python run_blender.py python run_blender.py -i jsonfile.json
``` ```
### 方法2: 直接运行Blender脚本 ### 方法2: 直接运行Blender脚本

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circle.json Normal file
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@@ -0,0 +1,339 @@
{
"p": [
0.0,
0.0,
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],
"q": [
1.0,
0.0,
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],
"name": "",
"children": [
{
"p": [
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0.0,
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],
"q": [
1.0,
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],
"name": "E0",
"face_type": "symm",
"face_geometry": "circle",
"face_f": 1e10,
"face_g": 1e10,
"draw_material": "nothing"
},
{
"p": [
-6.0,
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],
"q": [
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],
"name": "M00",
"face_type": "symm",
"face_geometry": "parabola",
"face_f": 5.0,
"face_g": 1e10,
"draw_material": "metal"
},
{
"p": [
-6.0,
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],
"q": [
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],
"name": "M10",
"face_type": "symm",
"face_geometry": "parabola",
"face_f": 1.0,
"face_g": 1e10,
"draw_material": "metal"
},
{
"p": [
-6.0,
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-5.974533048268448
],
"q": [
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-0.0,
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0.0
],
"name": "M20",
"face_type": "symm",
"face_geometry": "circle",
"face_f": 1e10,
"face_g": 1e10,
"draw_material": "metal"
},
{
"p": [
6.0,
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],
"q": [
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],
"name": "E1",
"face_type": "symm",
"face_geometry": "circle",
"face_f": 1e10,
"face_g": 1e10,
"draw_material": "nothing"
},
{
"p": [
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],
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"name": "M01",
"face_type": "symm",
"face_geometry": "parabola",
"face_f": 5.0,
"face_g": 1e10,
"draw_material": "metal"
},
{
"p": [
6.0,
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],
"q": [
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],
"name": "M11",
"face_type": "symm",
"face_geometry": "parabola",
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"draw_material": "metal"
},
{
"p": [
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"name": "M21",
"face_type": "symm",
"face_geometry": "circle",
"face_f": 1e10,
"face_g": 1e10,
"draw_material": "metal"
},
{
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"name": "M30",
"face_type": "symm",
"face_geometry": "circle",
"face_f": 1e10,
"face_g": 1e10,
"draw_material": "metal"
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"name": "M31",
"face_type": "symm",
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"face_f": 1e10,
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"draw_material": "metal"
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"face_type": "symm",
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],
"q": [
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"name": "M7",
"face_type": "symm",
"face_geometry": "hyperbola",
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"face_g": -6.875220831710909,
"draw_material": "metal"
},
{
"p": [
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],
"q": [
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"name": "D0",
"face_type": "symm",
"face_geometry": "circle",
"face_f": 1e10,
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"face_type": "symm",
"face_geometry": "circle",
"face_f": 1e10,
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},
{
"p": [
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"q": [
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],
"name": "M50",
"face_type": "symm",
"face_geometry": "circle",
"face_f": 1e10,
"face_g": 1e10,
"draw_material": "metal"
},
{
"p": [
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],
"name": "M41",
"face_type": "symm",
"face_geometry": "circle",
"face_f": 1e10,
"face_g": 1e10,
"draw_material": "metal"
},
{
"p": [
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],
"q": [
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],
"name": "M51",
"face_type": "symm",
"face_geometry": "circle",
"face_f": 1e10,
"face_g": 1e10,
"draw_material": "metal"
}
]
}

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optical_system.glb
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optical_system_render.png
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run_blender_input.py Normal file
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@@ -0,0 +1,171 @@
#!/usr/bin/env python3
"""
运行脚本 - 使用Blender生成3D光学系统模型
使用方法:
1. 确保已安装Blender
2. 运行此脚本: python run_blender_input.py -i jsonfile.json
输出文件:
- optical_system.obj - 3D模型文件
- optical_system.glb - Web友好格式
- optical_system.blend - Blender工程文件
- optical_system_render.png - 渲染图像
"""
import subprocess
import sys
import os
import platform
import argparse
def find_blender():
"""查找Blender可执行文件"""
system = platform.system()
common_paths = []
if system == "Windows":
common_paths = [
r"C:\Program Files\Blender Foundation\Blender 3.6\blender.exe",
r"C:\Program Files\Blender Foundation\Blender 4.0\blender.exe",
r"C:\Program Files (x86)\Blender Foundation\Blender 3.6\blender.exe",
]
elif system == "Darwin": # macOS
common_paths = [
"/Applications/Blender.app/Contents/MacOS/Blender",
"/usr/local/bin/blender",
]
elif system == "Linux":
common_paths = [
"/usr/bin/blender",
"/usr/local/bin/blender",
"/snap/bin/blender",
]
# 首先尝试从PATH中找到blender
try:
result = subprocess.run(["which", "blender"], capture_output=True, text=True)
if result.returncode == 0:
return result.stdout.strip()
except:
pass
# 尝试常见路径
for path in common_paths:
if os.path.exists(path):
return path
return None
def run_blender_script(json_file):
"""运行Blender脚本"""
blender_path = find_blender()
if not blender_path:
print("❌ 错误：未找到Blender安装")
print("\n请确保已安装Blender并且可以从命令行访问")
print("下载地址: https://www.blender.org/download/")
return False
print(f"✅ 找到Blender: {blender_path}")
script_path = os.path.abspath("toModel.py")
if not os.path.exists(script_path):
print(f"❌ 错误：未找到脚本文件 {script_path}")
return False
json_path = os.path.abspath(json_file)
if not os.path.exists(json_path):
print(f"❌ 错误：未找到JSON数据文件 {json_path}")
return False
print(f"📄 使用JSON文件: {json_path}")
print("🚀 开始运行Blender脚本...")
print("这可能需要几分钟时间，请耐心等待...")
try:
# 运行Blender脚本，传递JSON文件路径
cmd = [
blender_path,
"--background", # 后台运行
"--python", script_path,
"--", # 分隔符，后面的参数会传递给Python脚本
json_path
]
result = subprocess.run(cmd, capture_output=True, text=True, timeout=300)
if result.returncode == 0:
print("✅ Blender脚本执行成功！")
print("\n输出信息:")
print(result.stdout)
# 检查生成的文件
expected_files = [
"optical_system.obj",
"optical_system.glb",
"optical_system.blend",
"optical_system_render.png"
]
print("\n📁 生成的文件:")
for filename in expected_files:
if os.path.exists(filename):
size = os.path.getsize(filename)
print(f"✅ {filename} ({size:,} bytes)")
else:
print(f"❌ {filename} (未找到)")
return True
else:
print("❌ Blender脚本执行失败")
print("错误输出:")
print(result.stderr)
if result.stdout:
print("标准输出:")
print(result.stdout)
return False
except subprocess.TimeoutExpired:
print("❌ 脚本执行超时（超过5分钟）")
return False
except Exception as e:
print(f"❌ 执行时出错: {e}")
return False
def main():
# 设置命令行参数解析
parser = argparse.ArgumentParser(
description="使用Blender生成3D光学系统模型",
formatter_class=argparse.RawDescriptionHelpFormatter,
epilog="""
使用示例:
python run_blender_input.py -i data.json
python run_blender_input.py --input config.json
"""
)
parser.add_argument(
"-i", "--input",
required=True,
help="输入的JSON文件路径"
)
args = parser.parse_args()
print("🎨 Blender 3D光学系统建模脚本")
print("=" * 40)
if run_blender_script(args.input):
print("\n🎉 任务完成！")
print("\n您可以:")
print("1. 使用Blender打开 optical_system.blend 文件进行编辑")
print("2. 在3D软件中导入 optical_system.obj 文件")
print("3. 在Web浏览器中查看 optical_system.glb 文件")
print("4. 查看渲染图像 optical_system_render.png")
else:
print("\n❌ 任务失败，请检查错误信息")
sys.exit(1)
if __name__ == "__main__":
main()

57
toModel.py
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@@ -3,6 +3,19 @@ import json
import mathutils import mathutils
import os import os
import bmesh import bmesh
import sys
# 获取命令行参数
def get_json_path():
"""从命令行参数获取JSON文件路径"""
if len(sys.argv) > 5: # Blender传递的参数格式: blender --background --python script.py -- json_path
# 查找 -- 分隔符后的参数
for i, arg in enumerate(sys.argv):
if arg == "--" and i + 1 < len(sys.argv):
return sys.argv[i + 1]
# 如果没有找到参数，使用默认路径
return "./e8caffb4622e03b1495bbc1ed13fce13.json"
# 清空场景 # 清空场景
bpy.ops.wm.read_factory_settings(use_empty=True) bpy.ops.wm.read_factory_settings(use_empty=True)
@@ -11,12 +24,23 @@ bpy.ops.wm.read_factory_settings(use_empty=True)
bpy.context.scene.render.engine = 'CYCLES' bpy.context.scene.render.engine = 'CYCLES'
# 加载 JSON 文件 # 加载 JSON 文件
json_path = "./e8caffb4622e03b1495bbc1ed13fce13.json" json_path = get_json_path()
print(f"尝试加载JSON文件：{json_path}")
try:
with open(json_path, 'r', encoding='utf-8') as f: with open(json_path, 'r', encoding='utf-8') as f:
data = json.load(f) data = json.load(f)
print(f"✅ 成功加载JSON文件：{json_path}")
print(f"已加载JSON文件：{json_path}")
print(f"包含 {len(data['children'])} 个对象") print(f"包含 {len(data['children'])} 个对象")
except FileNotFoundError:
print(f"❌ 错误：找不到JSON文件 {json_path}")
sys.exit(1)
except json.JSONDecodeError as e:
print(f"❌ 错误：JSON文件格式错误 {e}")
sys.exit(1)
except Exception as e:
print(f"❌ 错误：加载JSON文件时出错 {e}")
sys.exit(1)
# 创建金属材质 # 创建金属材质
def create_metal_material(): def create_metal_material():
@@ -69,7 +93,7 @@ nothing_mat = create_nothing_material()
emissive_mat = create_emissive_material() emissive_mat = create_emissive_material()
# 创建更精确的抛物面 # 创建更精确的抛物面
def create_parabolic_surface(face_f, size=2.0, resolution=32): def create_parabolic_surface(face_f, size=1.0, resolution=32):
bm = bmesh.new() bm = bmesh.new()
# 创建抛物面网格 # 创建抛物面网格
@@ -109,7 +133,7 @@ def create_parabolic_surface(face_f, size=2.0, resolution=32):
return obj return obj
# 创建双曲面 # 创建双曲面
def create_hyperbolic_surface(face_f, face_g, size=2.0, resolution=32): def create_hyperbolic_surface(face_f, face_g, size=1.0, resolution=32):
bm = bmesh.new() bm = bmesh.new()
# 创建双曲面网格 # 创建双曲面网格
@@ -171,28 +195,41 @@ def create_geometry(obj_data):
try: try:
if face_geom == "plane": if face_geom == "plane":
bpy.ops.mesh.primitive_plane_add(size=2) # 创建圆形平面而不是方形
bpy.ops.mesh.primitive_circle_add(vertices=32, radius=0.5)
mesh = bpy.context.active_object mesh = bpy.context.active_object
# 填充圆形
bpy.ops.object.mode_set(mode='EDIT')
bpy.ops.mesh.edge_face_add()
bpy.ops.object.mode_set(mode='OBJECT')
elif face_geom == "circle":
# 创建圆形平面
bpy.ops.mesh.primitive_circle_add(vertices=32, radius=0.5)
mesh = bpy.context.active_object
# 填充圆形
bpy.ops.object.mode_set(mode='EDIT')
bpy.ops.mesh.edge_face_add()
bpy.ops.object.mode_set(mode='OBJECT')
elif face_geom == "parabola": elif face_geom == "parabola":
if face_f < 1e9 and face_f > 0.1: # 使用精确抛物面 if face_f < 1e9 and face_f > 0.1: # 使用精确抛物面
mesh = create_parabolic_surface(face_f) mesh = create_parabolic_surface(face_f)
else: # 使用简化圆锥 else: # 使用简化圆锥
bpy.ops.mesh.primitive_cone_add(vertices=32, radius1=1.5, radius2=0.1, depth=2.0) bpy.ops.mesh.primitive_cone_add(vertices=32, radius1=0.75, radius2=0.05, depth=1.0)
mesh = bpy.context.active_object mesh = bpy.context.active_object
elif face_geom == "hyperbola": elif face_geom == "hyperbola":
if abs(face_f) > 0.1 and abs(face_g) > 0.1: # 使用精确双曲面 if abs(face_f) > 0.1 and abs(face_g) > 0.1: # 使用精确双曲面
mesh = create_hyperbolic_surface(face_f, face_g) mesh = create_hyperbolic_surface(face_f, face_g)
else: # 使用简化环面 else: # 使用简化环面
bpy.ops.mesh.primitive_torus_add(major_radius=1.0, minor_radius=0.3) bpy.ops.mesh.primitive_torus_add(major_radius=0.5, minor_radius=0.15)
mesh = bpy.context.active_object mesh = bpy.context.active_object
else: else:
# 默认立方体 # 默认立方体
bpy.ops.mesh.primitive_cube_add(size=1.0) bpy.ops.mesh.primitive_cube_add(size=0.5)
mesh = bpy.context.active_object mesh = bpy.context.active_object
except Exception as e: except Exception as e:
print(f"创建几何体时出错: {e}") print(f"创建几何体时出错: {e}")
# 备用：创建简单立方体 # 备用：创建简单立方体
bpy.ops.mesh.primitive_cube_add(size=0.5) bpy.ops.mesh.primitive_cube_add(size=0.25)
mesh = bpy.context.active_object mesh = bpy.context.active_object
# 设置对象属性 # 设置对象属性