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Unformatted text preview: Hue is visual variable better suited for qualitative (nominal) data Value and chroma are better suited for quantitative data (ordinal, interval, ratio) No more than 1215 distinct hues after which use patterns Color schemes (see ArcView) Use of Color
Use of Color Color schemes – single hue scheme (single hue, varied value and chroma) ArcView “red monochromatic”
– doubleended or diverging (graduated colors between two dominant) ArcView “blues to reds dichromatic”
– part spectral scheme (adjacent colors) ArcView “yellow to orange to red”
– full spectral scheme (full spectrum) ArcView schemes for elevation, temperature and percipitation Type of Map
Type of Map Classified by function and symbolization – General reference and thematic General reference (ie USGS quad) – Shows variety of spatial features including boundaries, hydrology, transportation, contour lines, settlements, land covers. Thematic map – Main objective is to show distribution pattern of a theme. Type of Map
Type of Map Quantitative or Qualitative Quantitative – dot map uses uniform point symbols to show spatial data, each symbol representing a unit value
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This note was uploaded on 02/20/2013 for the course GEOGRAPHY 272 taught by Professor Boyes during the Spring '13 term at University of Toronto- Toronto.
- Spring '13