# Create a Windows PowerShell script for installing Gaussian Splatting with COLMAP
windows_script = “””
# Gaussian Splatting + COLMAP Setup Script for Windows (PowerShell)

# === 1. Install Chocolatey if not installed ===
Write-Host “Checking for Chocolatey…”
if (!(Get-Command choco -ErrorAction SilentlyContinue)) {
Write-Host “Installing Chocolatey…”
Set-ExecutionPolicy Bypass -Scope Process -Force
[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12
iex ((New-Object System.Net.WebClient).DownloadString(‘https://chocolatey.org/install.ps1’))
} else {
Write-Host “Chocolatey is already installed.”
}

# === 2. Install Miniconda ===
Write-Host “Installing Miniconda…”
choco install miniconda3 –yes –params=\”/AddToPath:1 /RegisterPython:1\”

# === 3. Refresh environment variables ===
$env:Path = [System.Environment]::GetEnvironmentVariable(“Path”,”Machine”)

# === 4. Create Conda Environment ===
Write-Host “Creating Conda environment…”
conda create -y -n gs-env python=3.10
conda activate gs-env

# === 5. Install PyTorch with CUDA ===
Write-Host “Installing PyTorch…”
pip install torch torchvision torchaudio –index-url https://download.pytorch.org/whl/cu118

# === 6. Install Required Python Packages ===
Write-Host “Installing Python dependencies…”
pip install numpy imageio matplotlib open3d plyfile tqdm scikit-image opencv-python
pip install pycolmap==0.4.0

# === 7. Clone Gaussian Splatting Repository ===
Write-Host “Cloning Gaussian Splatting…”
git clone https://github.com/graphdeco-inria/gaussian-splatting.git
cd gaussian-splatting
pip install -r requirements.txt
python setup.py build_ext –inplace

# === 8. Install COLMAP ===
Write-Host “Downloading COLMAP…”
Invoke-WebRequest -Uri “https://colmap.github.io/releases/colmap-3.9-windows.zip” -OutFile “COLMAP.zip”
Expand-Archive -Path “COLMAP.zip” -DestinationPath “$env:ProgramFiles\\COLMAP”
$colmapPath = “$env:ProgramFiles\\COLMAP\\COLMAP.bat”
if (Test-Path $colmapPath) {
Write-Host “COLMAP installed successfully at $colmapPath”
[Environment]::SetEnvironmentVariable(“Path”, $env:Path + “;$env:ProgramFiles\\COLMAP”, “Machine”)
} else {
Write-Host “COLMAP installation failed.”
}

# === 9. Download Sample Scene (Optional) ===
Write-Host “Downloading sample scene (bonsai)…”
cd scripts
bash download_sample_scene.sh bonsai
cd ..

# === 10. Convert Scene ===
Write-Host “Converting bonsai scene…”
python convert.py -s data/bonsai

# === 11. Train the Gaussian Model ===
Write-Host “Starting training…”
python train.py -s output/bonsai

Write-Host “✅ Gaussian Splatting and COLMAP installation complete!”
“””

# Save the script as a .ps1 file
script_path = “/mnt/data/install_gaussian_splatting_with_colmap_windows.ps1”
with open(script_path, “w”) as file:
file.write(windows_script)

script_path