沿每条射线的点在预定义的最小深度和最大深度之间有均匀的z坐标. `NDCMultinomialRaysampler‘遵循`Mesh’和‘PointClouds’渲染的屏幕惯例。 即像素坐标在[-1,1]x[-u,u]或[-u,u]x[-1,1]中,其中u>1是图像的纵横比。 有关参数的说明,请参阅给MultinomialRaySampler的文档。 """ def __init__( self...
How to load a mesh from an .obj file How to use the PyTorch3D Meshes datastructure How to use 4 different PyTorch3D mesh loss functions How to set up an optimization loop Starting from a sphere mesh, we learn the offset to each vertex in the mesh such that the predicted mesh is close...
导入必要的库。 使用load_objs_as_meshes方法加载 OBJ 文件。 对模型进行可视化或其他操作。 代码示例 下面的代码展示了如何读取一个简单的 OBJ 文件并进行可视化。 importtorchfrompytorch3d.ioimportload_objs_as_meshesfrompytorch3d.rendererimportFoVPerspectiveCameras,MeshRenderer,MeshRasterizer,HardPhongShaderfrompyt...
verts, faces, aux = load_obj(filename) 在这里,verts是顶点的(V, 3)张量,`faces.verts_idx`是每个面顶点索引的(F, 3)张量,aux存储有关网格的辅助信息,例如 UV 坐标、材质颜色或纹理。然后,我们将这些verts、faces.verts_idx和aux传递到 Meshes 构造函数中,该构造函数创建一个名为capsule_mesh的对象: 最...
pytorch3d.io.obj_io.save_obj() 和 pytorch3d.io.obj_io.load_obj_as_meshes() 提供集成的多纹理 obj 支持,允许用户读取和处理所有可用纹理; PyTorch3D 以前仅读取具有多个纹理的输入 obj 文件中的第一个纹理,这可能会导致不良的纹理采样和输出。 pytorch3d.utils.obj_utils 提供了可在 pytorch3d.ops 和 ...
Deform a sphere mesh to dolphinBundle adjustment Render textured meshesCamera position optimization Render textured pointcloudsFit a mesh with texture Render DensePose dataLoad & Render ShapeNet data Fit Textured VolumeFit A Simple Neural Radiance Field ...
format file.""" vertices = [] with open(filename, 'r') as mesh: for line in mesh: data = line.split() if len(data) > 0 and data[0] == 'v': vertices.append(data[1:]) return np.array(vertices, dtype=np.float32)verts = load_obj(cube_path) print('...
at_view_transform, RasterizationSettings, MeshRenderer, MeshRasterizer, HardPhongShader, PointLights,)from pytorch3d.structures import Meshesfrom pytorch3d.io import load_obj# 1. 生成训练数据# 用PyTorch3D渲染一个球体作为示例数据verts, faces, aux = load_obj("sphere.obj") # 加载一...
import torch import pytorch3d from pytorch3d.io import load_objs_as_meshes from pytorch3d.transforms import RotateAxisAngle from pytorch3d.renderer import ( look_at_view_transform, FoVPerspectiveCameras, MeshRenderer, MeshRasterizer, SoftPhongShader, RasterizationSettings, BlendParams ) from pytorch3d....
问如何定义PyTorch3D平面几何？EN解决方案是删除这一行：verts /= verts.norm(p=2, dim=1, keepdim...