importtrimeshimportmatplotlib.pyplot as plt#读取点云文件mesh = trimesh.load_mesh('test.ply')#计算法线mesh.vertex_normals#创建一个新的图形窗口fig =plt.figure() ax= fig.add_subplot(111, projection='3d')#绘制顶点和法线ax.scatter(mesh.vertices[:, 0], mesh.vertices[:, 1], mesh.vertices[:...
}// calculate vertex normalsmeshPtr->calcVertexNormals();// remove colors if emptyassert( colors.empty() || colors.size() == points.size() );if( colors.empty() ) meshPtr->removeData( TriMesh::VERTEX_COLOR );// mark item as modifiedenv->itemModified( meshPtr );returntrue; } 开发...
vertex_normals, dtype='f4'), '3f', ['in_normal']) vao.index_buffer(numpy.array(stl_mesh.faces, dtype='u4')) scene_mesh.vao = vao scene_mesh.add_attribute('POSITION', 'in_position', 3) scene_mesh.add_attribute('NORMAL', 'in_normal', 3) scene.meshes.append(scene_mesh) scene....
vao.buffer(numpy.array(stl_mesh.vertex_normals, dtype='f4'),'3f', ['in_normal']) vao.index_buffer(numpy.array(stl_mesh.faces, dtype='u4')) scene_mesh.vao = vao scene_mesh.add_attribute('POSITION','in_position',3) scene_mesh.add_attribute('NORMAL','in_normal',3) scene.meshes....
trimesh_mesh = trimesh.Trimesh(vertices=vertices, faces=faces, vertex_normals=vertex_normals, validate=True) Which i export as gltf trimesh_scene = trimesh.Scene(geometry=trimesh_mesh) with open(gltf_path, 'wb') as f: f.write(trimesh.exchange.gltf.export_glb(trimesh_scene, include_no...
solidfilenamestl//文件路径及文件名 facetnormalxyz//三角面片法向量的3个分量值 outerloop vertexxyz//三角面片第一个顶点坐标 vertexxyz//三角面片第二个顶点坐标 vertexxyz//三角面片第三个顶点坐标 endloop endfacet//完成一个三角面片定义 ...//其他facet endsolid...
If you'd like to contribute, here is an [up to date list of potential enhancements](https://github.com/mikedh/trimesh/issues/1557) although things not on that list are also welcome. Here's a quick [development and contributing guide.](https://trimesh.org/contributing.html)\n\n\n##...
("skull.stl")mesh.compute_vertex_normalsmesh_r = copy.deepcopy(mesh)# 绕x轴旋转 pi / 4R = mesh.get_rotation_matrix_from_xyz((np.pi / 4, 0, 0))# 旋转中心为 (0,0,0)mesh_r.rotate(R, center=(0,0,0))mesh_r.compute_vertex_normalso3d.visualization.draw_geometries([mesh, mesh...
Support for per-vertex normals in OBJ files More support for pointclouds, including normal computation based on (accelerated) k-nearest-neighbors Stricter use of std namespace. This may require adding using declarations to client code for classes and functions that used to be injected into the ...
(meshs->faces); for(int i = 0; i < fset.size();i++) { Face a ; a.vert_number = fset[i].size(); a.verts =new Vertex* [fset[i].size()]; for (int j = 0 ; j < fset[i].size(); j++) { a.verts[j] = &meshs->verts[fset[i][j]]; } get_normal(a); meshs...