I'm starting to experiment with topology so I can talk about local inhibition
in the next HTM School. I see that some columns getting no overlap with the
input space are being activated. I think this has something to do with
`localAreaDensity`? Does anyone know why this might be happening?
https://youtu.be/w1t4quc1oNs
### SP Params
```python
{'columnDimensions': [50, 50],
'dutyCyclePeriod': 1000,
'globalInhibition': False,
'inputDimensions': [50, 50],
'localAreaDensity': 0.1,
'maxBoost': 1,
'minPctActiveDutyCycle': 0.001,
'minPctOverlapDutyCycle': 0.001,
'numActiveColumnsPerInhArea': 1,
'potentialPct': 0.85,
'potentialRadius': 12,
'stimulusThreshold': 1,
'synPermActiveInc': 0.05,
'synPermConnected': 0.1,
'synPermInactiveDec': 0.008,
'wrapAround': False}
```
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