Data presentation-cartographic

Data presentation-cartographic

1. DOT MAPS

   • ADV-impression, distribution, visual, no artificial boundaries
   • DISADV-misleading, time consuming, easy to see problem/understand

2. CHOROPLETH MAP

   • ADV-simple, useful for data in bundles, easy to interpret
   • DISADV-large colours will dominate, areal unit boundaries creates discontinuities, sudden changes

3. PROPORTIONAL SYMBOL MAP

   • ADV-visual, impact clear, based on real data
   • DISADV-underestimates values, placing, no info for values within units

4. ISOLINE MAP

   • ADV-overview of spatial patterns, detail not important
   • DISADV-not for discontinuous data, construction subjective

5. FLOW MAPS

   • ADV-visually successful
   • DISADV-generalised, categories cover wide values, hard to recover detail, abrupt changes