117 lines
2.8 KiB
Markdown
117 lines
2.8 KiB
Markdown
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# Signal Visualization Setup Guide
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## Installing Required Dependencies
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### For macOS (with Homebrew)
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The issue you're experiencing is that tkinter (the GUI library) isn't properly installed with your Python. Here are several solutions:
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#### Option 1: Install Python with tkinter support
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```bash
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# If using Homebrew, reinstall Python with tkinter
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brew uninstall python@3.13
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brew install python-tk@3.13
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# Or install tkinter specifically
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brew install tcl-tk
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```
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#### Option 2: Use conda instead of pip
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```bash
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# Install conda/miniconda first, then:
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conda create -n streamlens python=3.11
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conda activate streamlens
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conda install matplotlib numpy scapy tk
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```
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#### Option 3: Use PyQt backend (alternative to tkinter)
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```bash
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pip install PyQt5
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# or
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pip install PyQt6
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```
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#### Option 4: Use X11 forwarding (if running over SSH)
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```bash
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# Install XQuartz first: https://www.xquartz.org/
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ssh -X your_server
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# Then run StreamLens
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```
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### For Ubuntu/Debian
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```bash
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sudo apt-get install python3-tk
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pip install matplotlib numpy scapy
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```
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### For CentOS/RHEL
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```bash
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sudo yum install tkinter
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# or
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sudo dnf install python3-tkinter
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pip install matplotlib numpy scapy
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```
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## Testing Your Installation
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Run this test to verify everything works:
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```bash
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python -c "
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import matplotlib
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matplotlib.use('TkAgg') # or 'Qt5Agg' if using PyQt
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import matplotlib.pyplot as plt
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import numpy as np
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# Create a test plot
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x = np.linspace(0, 10, 100)
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y = np.sin(x)
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plt.plot(x, y)
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plt.title('Test Plot')
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plt.show()
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print('Visualization test successful!')
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"
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```
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## Fallback Mode
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If you can't get interactive visualization working, StreamLens will automatically:
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1. Use the 'Agg' backend (non-interactive)
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2. Save plots as PNG files instead of showing windows
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3. Print the filename where each plot is saved
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This means you can still visualize Chapter 10 signals - they'll just be saved as image files that you can open separately.
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## Troubleshooting
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### Issue: "No module named '_tkinter'"
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- **Solution**: Install tkinter using your system package manager (not pip)
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- **macOS**: `brew install python-tk@3.13`
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- **Ubuntu**: `sudo apt-get install python3-tk`
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### Issue: "Matplotlib backend failed"
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- **Solution**: Try different backends in this order:
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1. Qt5Agg: `pip install PyQt5`
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2. Qt6Agg: `pip install PyQt6`
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3. TkAgg: Install tkinter (see above)
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4. Agg: Files will be saved instead of displayed
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### Issue: Running over SSH
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- **Solution**: Use X11 forwarding: `ssh -X hostname`
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- **Alternative**: Use the file output mode (automatic fallback)
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## Recommended Setup
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For the best experience, we recommend:
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```bash
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# Install system dependencies first
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brew install python-tk@3.13 # macOS
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# or
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sudo apt-get install python3-tk # Ubuntu
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# Then install Python packages
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pip install matplotlib numpy scapy PyQt5
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```
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This gives you multiple backend options and the best compatibility.
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