File size: 5,849 Bytes
1ac2018
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
f74f8b8
 
 
1ac2018
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
import os
import sys
import shutil
import argparse
from omegaconf import OmegaConf
import trimesh
from PIL import Image
import torch
from torchvision import transforms
import logging as log

# Add project root to path
project_root = os.path.dirname(os.path.abspath(__file__))
if project_root not in sys.path:
    sys.path.insert(0, project_root)

from demos.pipeline_fn import GuideFlow3dPipeline
from lib.util import common, generation, pointcloud
from demos.custom_utils import render_all_views
import third_party.TRELLIS.trellis.models as models

# Setup logging
log.getLogger().setLevel(log.INFO)
log.basicConfig(level=log.INFO, format='%(asctime)s - %(levelname)s - %(message)s')

# Examples (matching run_gradio_demo.py)
STRUCT_EXAMPLES = {
    "bench_chair": "example_data/structure_mesh/bench_chair.glb",
    "cabinet": "example_data/structure_mesh/cabinet.glb",
    "chair": "example_data/structure_mesh/chair.glb",
    "giraffe": "example_data/structure_mesh/giraffe.glb",
    "motorcycle": "example_data/structure_mesh/motorcycle.glb",
    "plane": "example_data/structure_mesh/plane.glb",
}

APP_MESH_EXAMPLES = {
    "B01DA8LC0A": "example_data/appearance_mesh/B01DA8LC0A.glb",
    "B01DJH73Y6": "example_data/appearance_mesh/B01DJH73Y6.glb",
    "B0728KSP33": "example_data/appearance_mesh/B0728KSP33.glb",
    "B07B4YXNR8": "example_data/appearance_mesh/B07B4YXNR8.glb",
    "B07QC84LP1": "example_data/appearance_mesh/B07QC84LP1.glb",
    "B07QFRSC8M": "example_data/appearance_mesh/B07QFRSC8M_zup.glb",
    "B082QC7YKR": "example_data/appearance_mesh/B082QC7YKR_zup.glb",
}

def generate_structure_cache(pipe, name, path, output_base):
    log.info(f"Processing Structure Example: {name}")
    output_dir = os.path.join(output_base, name)
    os.makedirs(output_dir, exist_ok=True)
    
    # Run preprocess to generate struct_renders, voxels, partfield
    # preprocess(self, structure_mesh, convert_yup_to_zup, output_dir)
    pipe.preprocess(
        structure_mesh=path,
        convert_yup_to_zup=False, # Assuming defaults
        output_dir=output_dir
    )
    log.info(f"Completed Structure Example: {name}")

def generate_appearance_cache(pipe, name, path, output_base):
    log.info(f"Processing Appearance Example: {name}")
    output_dir = os.path.join(output_base, name)
    os.makedirs(output_dir, exist_ok=True)

    # Logic adapted from pipe.run_appearance but focused on Appearance Mesh only
    
    # 1. Load and Save Z-up mesh
    cached_app_input_path = os.path.join(output_dir, "app_mesh_input.glb")
    shutil.copy2(path, cached_app_input_path)
    
    app_mesh_path = os.path.join(output_dir, "app_mesh.glb")
    app_mesh_zup_path = os.path.join(output_dir, "app_mesh_zup.glb")
    
    app_mesh = trimesh.load(path, force="mesh")
    app_mesh.export(app_mesh_path)
    # convert_appearance_yup_to_zup=False (Default)
    app_mesh.export(app_mesh_zup_path)
    
    # 2. Render Views
    app_render_dir = os.path.join(output_dir, 'app_renders')
    common.ensure_dir(app_render_dir)
    
    # Only render if not empty
    if not os.listdir(app_render_dir):
        render_all_views(
            app_mesh_zup_path,
            app_render_dir,
            num_views=pipe.cfg.num_views,
            num_workers=None
        )

    # 3. Voxelize
    app_voxel_dir = os.path.join(output_dir, "voxels")
    common.ensure_dir(app_voxel_dir)
    app_voxels_path = os.path.join(app_voxel_dir, "app_voxels.ply")
    app_mesh_ply_path = os.path.join(app_render_dir, "mesh.ply") # Generated by render_all_views
    
    if not os.path.exists(app_voxels_path) and os.path.exists(app_mesh_ply_path):
        pointcloud.voxelize_mesh(
            app_mesh_ply_path,
            save_path=app_voxels_path,
        )

    # 4. DinoV2 Features
    features_dir = os.path.join(output_dir, "features", pipe.cfg.feature_name)
    common.ensure_dir(features_dir)
    
    if not os.listdir(features_dir):
        dinov2_model = torch.hub.load(pipe.cfg.dinov2_repo, pipe.cfg.feature_name)
        dinov2_model.eval().cuda()
        transform = transforms.Compose([transforms.Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225])])
        generation.extract_feature(output_dir, dinov2_model, transform)
        del dinov2_model
        torch.cuda.empty_cache()

    # 5. SLAT Latent
    latents_dir = os.path.join(output_dir, "latents", pipe.cfg.latent_name)
    common.ensure_dir(latents_dir)
    
    if not os.listdir(latents_dir):
        encoder = models.from_pretrained(pipe.cfg.enc_pretrained).eval().cuda()
        generation.get_latent(output_dir, pipe.cfg.feature_name, pipe.cfg.latent_name, encoder)
        del encoder
        torch.cuda.empty_cache()

    # 6. PartField (Appearance)
    app_partfield_dir = os.path.join(output_dir, "partfield")
    common.ensure_dir(app_partfield_dir)
    
    existing_pf = [f for f in os.listdir(app_partfield_dir) if f.startswith("part_feat_app_mesh_zup")]
    if not existing_pf:
        from demos.pipeline_fn import partfield_pipeline_predict
        partfield_pipeline_predict(
            app_mesh_zup_path,
            app_partfield_dir,
            "app_mesh_zup"
        )
    
    log.info(f"Completed Appearance Example: {name}")

def main():
    cfg_path = os.path.join(project_root, 'config', 'default.yaml')
    cfg = OmegaConf.load(cfg_path)
    pipe = GuideFlow3dPipeline().from_pretrained(cfg)
    
    output_base = os.path.join(project_root, "all_outputs")
    
    for name, path in STRUCT_EXAMPLES.items():
        abs_path = os.path.join(project_root, path)
        generate_structure_cache(pipe, name, abs_path, output_base)
        
    for name, path in APP_MESH_EXAMPLES.items():
        abs_path = os.path.join(project_root, path)
        generate_appearance_cache(pipe, name, abs_path, output_base)

if __name__ == "__main__":
    main()