参数输入输出模型文件
This commit is contained in:
nicolas
339
circle.json
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339
circle.json
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"face_geometry": "circle",
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"face_type": "symm",
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"face_geometry": "circle",
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"face_geometry": "circle",
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"name": "M51",
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"face_type": "symm",
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"face_geometry": "circle",
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"face_f": 1e10,
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Binary file not shown.
BIN
optical_system.blend1
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BIN
optical_system.blend1
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Before Width: | Height: | Size: 1.1 MiB After Width: | Height: | Size: 1.1 MiB |
171
run_blender_input.py
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171
run_blender_input.py
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#!/usr/bin/env python3
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"""
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运行脚本 - 使用Blender生成3D光学系统模型
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使用方法:
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1. 确保已安装Blender
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2. 运行此脚本: python run_blender_input.py -i jsonfile.json
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输出文件:
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- optical_system.obj - 3D模型文件
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- optical_system.glb - Web友好格式
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- optical_system.blend - Blender工程文件
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- optical_system_render.png - 渲染图像
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"""
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import subprocess
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import sys
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import os
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import platform
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import argparse
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def find_blender():
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"""查找Blender可执行文件"""
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system = platform.system()
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common_paths = []
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if system == "Windows":
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common_paths = [
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r"C:\Program Files\Blender Foundation\Blender 3.6\blender.exe",
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r"C:\Program Files\Blender Foundation\Blender 4.0\blender.exe",
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r"C:\Program Files (x86)\Blender Foundation\Blender 3.6\blender.exe",
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]
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elif system == "Darwin": # macOS
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common_paths = [
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"/Applications/Blender.app/Contents/MacOS/Blender",
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"/usr/local/bin/blender",
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]
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elif system == "Linux":
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common_paths = [
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"/usr/bin/blender",
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"/usr/local/bin/blender",
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"/snap/bin/blender",
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]
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# 首先尝试从PATH中找到blender
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try:
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result = subprocess.run(["which", "blender"], capture_output=True, text=True)
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if result.returncode == 0:
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return result.stdout.strip()
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except:
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pass
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# 尝试常见路径
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for path in common_paths:
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if os.path.exists(path):
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return path
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return None
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def run_blender_script(json_file):
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"""运行Blender脚本"""
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blender_path = find_blender()
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if not blender_path:
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print("❌ 错误：未找到Blender安装")
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print("\n请确保已安装Blender并且可以从命令行访问")
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print("下载地址: https://www.blender.org/download/")
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return False
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print(f"✅ 找到Blender: {blender_path}")
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script_path = os.path.abspath("toModel.py")
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if not os.path.exists(script_path):
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print(f"❌ 错误：未找到脚本文件 {script_path}")
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return False
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json_path = os.path.abspath(json_file)
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if not os.path.exists(json_path):
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print(f"❌ 错误：未找到JSON数据文件 {json_path}")
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return False
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print(f"📄 使用JSON文件: {json_path}")
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print("🚀 开始运行Blender脚本...")
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print("这可能需要几分钟时间，请耐心等待...")
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try:
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# 运行Blender脚本，传递JSON文件路径
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cmd = [
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blender_path,
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"--background", # 后台运行
|
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"--python", script_path,
|
||||
"--", # 分隔符，后面的参数会传递给Python脚本
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||||
json_path
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||||
]
|
||||
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||||
result = subprocess.run(cmd, capture_output=True, text=True, timeout=300)
|
||||
|
||||
if result.returncode == 0:
|
||||
print("✅ Blender脚本执行成功！")
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||||
print("\n输出信息:")
|
||||
print(result.stdout)
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||||
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||||
# 检查生成的文件
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||||
expected_files = [
|
||||
"optical_system.obj",
|
||||
"optical_system.glb",
|
||||
"optical_system.blend",
|
||||
"optical_system_render.png"
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||||
]
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||||
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||||
print("\n📁 生成的文件:")
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||||
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:
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||||
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,
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||||
epilog="""
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||||
使用示例:
|
||||
python run_blender_input.py -i data.json
|
||||
python run_blender_input.py --input config.json
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||||
"""
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||||
)
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||||
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||||
parser.add_argument(
|
||||
"-i", "--input",
|
||||
required=True,
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||||
help="输入的JSON文件路径"
|
||||
)
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||||
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||||
args = parser.parse_args()
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||||
|
||||
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()
|
||||
34
toModel.py
34
toModel.py
@@ -3,6 +3,19 @@ import json
|
||||
import mathutils
|
||||
import os
|
||||
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
|
||||
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'
|
||||
|
||||
# 加载 JSON 文件
|
||||
json_path = "./e8caffb4622e03b1495bbc1ed13fce13.json"
|
||||
with open(json_path, 'r', encoding='utf-8') as f:
|
||||
data = json.load(f)
|
||||
json_path = get_json_path()
|
||||
print(f"尝试加载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")
|
||||
try:
|
||||
with open(json_path, 'r', encoding='utf-8') as f:
|
||||
data = json.load(f)
|
||||
print(f"✅ 成功加载JSON文件：{json_path}")
|
||||
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
|
||||
def create_metal_material():
|
||||
|
||||
Reference in New Issue
Block a user