同步更改数据

tools/test.py

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+import open3d as o3d
+from open3d.visualization.gui import Application
+from open3d.visualization import O3DVisualizer
+import sys, os
+
+
+# 假设 obj_file_path 是你的 OBJ 文件路径，image_save_path 是保存图片的路径
+filePath = "G://obj_fix/print"
+pid = "8160"
+obj_file_path = f"{filePath}/{pid}/{pid}.obj"
+image_save_path = f"{filePath}/{pid}/{pid}_test.png"
+
+
+
+# import open3d as o3d
+
+# 加载OBJ文件
+mesh = o3d.io.read_triangle_mesh(obj_file_path)
+
+# 创建一个OffscreenRenderer对象
+renderer = o3d.visualization.rendering.OffscreenRenderer()
+
+# 创建一个Open3DScene对象
+scene = o3d.visualization.rendering.Open3DScene()
+
+# 将几何体添加到场景中
+scene.add_geometry(mesh)
+
+# 创建一个材质并应用到几何体上
+material = o3d.visualization.rendering.MaterialRecord()
+material.base_color = [1.0, 1.0, 1.0]  # 白色材质
+mesh.materials.append(material)
+
+# 创建一个灯光对象
+light = o3d.visualization.rendering.Light()
+light.type = "directional"  # 方向光
+light.direction = [0.0, -1.0, 0.0]  # 光照方向
+light.color = [1.0, 1.0, 1.0]  # 白色光线
+
+# 将灯光添加到场景中
+scene.add_light(light)
+
+# 设置渲染参数
+renderer.set_scene(scene)
+
+# 渲染场景
+image = renderer.render()
+
+# 显示渲染结果
+o3d.geometry.image.axial_slice(image, 2, (128, 128, 128))
+
+# # 计算顶点法线，这对于渲染是非常重要的
+# mesh.compute_vertex_normals()
+
+# # 可选：可以对网格进行进一步处理，例如滤波或下采样
+# # mesh = o3d.geometry.filter_triangle_mesh(mesh, "default")
+
+# # 创建一个Open3D的可视化对象
+# vis = o3d.visualization.Visualizer()
+# vis.create_window()
+
+# # 将网格添加到可视化对象中
+# vis.add_geometry(mesh)
+
+# # 创建一个环境光源
+# light = get_light_source("default")
+# light.set_intensity([1.0, 1.0, 1.0])  # 设置光照强度
+
+# # 将灯光添加到可视化对象中
+# vis.add_light(light)
+
+# # 调整灯光位置和方向
+# light.set_position([0.0, 0.0, 0.0])
+# light.set_direction([0.0, 0.0, 1.0])
+# screenshot = vis.capture_screen()
+# o3d.io.write_image("screenshot.png", screenshot)
+
+# # 渲染并显示窗口
+# vis.run()
+
+
+# # 加载一个点云或者网格
+# mesh = o3d.io.read_triangle_mesh(obj_file_path)
+
+# # 创建 O3DVisualizer 实例
+# vis = o3d.visualization.O3DVisualizer("O3D Visualizer Example", 1024, 768)
+
+# # 添加几何体到可视化窗口
+# vis.add_geometry("Mesh", mesh)
+
+# # 显示可视化窗口
+# Application.instance.add_window(vis)
+# Application.instance.run()
+
+# # Derive the object path set the model, material, and shader
+# model_dir = sys.argv[1]
+# model_name = os.path.join(model_dir, os.path.basename(model_dir) + ".obj")
+# model = o3d.io.read_triangle_mesh(obj_file_path)
+# material = o3d.visualization.rendering.Material()
+# material.shader = "defaultLit"
+
+# # Derive the texture paths
+# albedo_name = os.path.join(model_dir, "albedo.png")
+# normal_name = os.path.join(model_dir, "normal.png")
+# ao_name = os.path.join(model_dir, "ao.png")
+# metallic_name = os.path.join(model_dir, "metallic.png")
+# roughness_name = os.path.join(model_dir, "roughness.png")
+
+# # Check if the textures are available and loads the texture. For example, if metallic exists then load metallic texture
+# if os.path.exists(albedo_name):
+#     material.albedo_img = o3d.io.read_image(albedo_name)
+# if os.path.exists(normal_name):
+#     material.normal_img = o3d.io.read_image(normal_name)
+# if os.path.exists(ao_name):
+#     material.ao_img = o3d.io.read_image(ao_name)
+# if os.path.exists(metallic_name):
+#     material.base_metallic = 1.0
+#     material.metallic_img = o3d.io.read_image(metallic_name)
+# if os.path.exists(roughness_name):
+#     material.roughness_img = o3d.io.read_image(roughness_name)
+
+# # Draw an object named cube using the available model and texture
+# o3d.visualization.draw([{"name": "cube", "geometry": model, "material": material}])
+