A3

• Vector data analysis

  Uses points and line segments to identify locations on the earth
• Raster data analysis

  Uses a series of cells to represent locations on the earth
• Proximity analysis and buffering

  1. Determine distance between features

  2. Create buffers to address questions of proximity
• Buffers


  • Common vector analysis tools used to address questions of proximity in neighbourhood
• Overlay analysis

  Considering key thematic layers of the same area and placing them on top of one another
• Overlay methods

  • Point-in-polygon
  • Polygon-on-point
  • Line-on-line
  • Line-in-polygon
  • Polygon-on-line
  • Polygon-on-polygon
• Boolean operators

  AND (conjunction), OR (disjunction), and XOR (exclusive disjunction)<|>Used in complex overlay methods

  
• Raster analysis


  Process of analyzing spatial information contained in grid datasets
• Raster processing techniques

  • Map Algebra
  • Zonal Statistics
  • Contours
  • Math Functions
  • Conditionals
  • Cost Path
  • Terrain Analysis
  • Suitability
  • Raster Processing
  • Interpolation