3 types - Degree of compactness
- Compact / Clustered
- Dispersed
- Semi - Clustered
Patterns
- Rectangular
- Circular
- Amorphous
Rectangular
- Hollow
- Grid
- Ribbon / Strip
Circular
Reasons - compact
- Wet Point
- Security
Variants
- Annual
- Radial
Horse Shoe
- Mallital
- Tallital
Amorphous