Buffer

Create buffer zones around geographic features for proximity analysis.

Buffer Settings

Tip: For a reduction or negative buffer, use a negative number. (e.g. -25)

Input File

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About Buffer

Buffer creates a zone around geographic features at a specified distance. Common uses include:

  • Proximity analysis
  • Service area mapping
  • Setback zone creation
  • Impact assessment

Visual Example

Concentric buffer zones around a point feature

💡 Pro Tips

  • • Use negative values to shrink polygons inward
  • • Enable "Dissolve" to merge overlapping buffers
  • • Shapefiles should be uploaded as .zip files
  • • UTM projection is used for accurate distances