Graph and Map Skills
- Created by: Lilicurtis
- Created on: 20-09-15 14:23
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- Graph & Map Skills
- Choropleth
- Shows information using colours and patterns
- Anomalies easily identified
- Visually effective for quick judgments
- Good visual impression of set time and place
- False impression of abrupt change
- Can be difficult to distinguish between shades
- variations within each area are hidden
- Shows information using colours and patterns
- Dot Maps
- Show distribution and quantity using identical symbols
- Allows major features to stand out
- Good visual representation distributions
- Too many dots could merge
- False interpretation
- Areas are missed out if they don't conform to the scale
- Show distribution and quantity using identical symbols
- Isoline Maps
- Show where conditions are the same
- Data can be represented without artificial area boundaries
- Difficult to construct
- There may be some elect of guessing where lines placed
- subjective
- Useful for interpretation of general trends
- Show where conditions are the same
- Flow Line Maps
- Show movement
- Shows direction as well as volume
- Give good visual impressions
- Lacks precise interpretation unless statistical data added
- Show movement
- Proportional symbol maps
- Uses symbols of different sizes
- Ability to portray distribution of multiple phenomena
- Easily interpreted
- Easy to have inaccurate perception
- Hard to scale for all symbols to fit and not overlap
- Uses symbols of different sizes
- Field Sketches and Photos
- Memory Tool
- Accurate record of time and space
- You can enhance labels and sketches
- Poor weather conditions inhibit good shots
- Sketches have to be scaled
- Choropleth
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