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import gradio as gr
import trimesh
import numpy as np
from PIL import Image
import tempfile
import os
def visualize_texture(section):
mesh = trimesh.load('train.glb', force='mesh')
im = Image.open('rust_steel.png').convert('RGB')
# Calculate bounds
bounds = mesh.bounds
min_bounds, max_bounds = bounds[0], bounds[1]
mid_x = (max_bounds[0] + min_bounds[0]) / 2
mid_y = (max_bounds[1] + min_bounds[1]) / 2
mid_z = (max_bounds[2] + min_bounds[2]) / 2
# Define sections
sections = {
'upper': np.where(mesh.vertices[:, 2] > mid_z)[0],
'lower': np.where(mesh.vertices[:, 2] <= mid_z)[0],
'middle': np.where((mesh.vertices[:, 0] >= min_bounds[0]) & (mesh.vertices[:, 0] <= max_bounds[0]) &
(mesh.vertices[:, 1] >= min_bounds[1]) & (mesh.vertices[:, 1] <= max_bounds[1]) &
(mesh.vertices[:, 2] >= min_bounds[2]) & (mesh.vertices[:, 2] <= max_bounds[2]))[0],
'top': np.where(mesh.vertices[:, 1] > mid_y)[0],
'right': np.where(mesh.vertices[:, 0] > mid_x)[0]
}
# Get indices for selected section
selected_indices = sections[section]
# Create UV coordinates
uv = np.random.rand(len(mesh.vertices), 2)
new_uv = np.zeros_like(uv)
new_uv[selected_indices, :] = uv[selected_indices, :]
# Create material and apply texture
material = trimesh.visual.texture.SimpleMaterial(image=im)
color_visuals = trimesh.visual.TextureVisuals(uv=new_uv, image=im, material=material)
textured_mesh = trimesh.Trimesh(vertices=mesh.vertices, faces=mesh.faces, visual=color_visuals, validate=True, process=False)
# Save the mesh to a temporary file
temp_file = tempfile.NamedTemporaryFile(delete=False, suffix='.glb')
textured_mesh.export(temp_file.name, file_type='glb')
temp_file.close() # Close the file so it can be read by Gradio
return temp_file.name
with gr.Blocks() as app:
gr.Markdown("### 3D Model Texture Application")
original_model = gr.Model3D('train.glb', label="Original Model")
modified_model = gr.Model3D(label="Textured Model")
section_dropdown = gr.Dropdown(choices=['upper', 'lower', 'middle', 'top', 'right'], label="Select Section")
button = gr.Button("Visualize Texture")
button.click(visualize_texture, inputs=section_dropdown, outputs=modified_model)
app.launch()
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