Understanding Map Symbolization and Point, Line, Area Representation in Cartography, Slides of Geology

Download Understanding Map Symbolization and Point, Line, Area Representation in Cartography and more Slides Geology in PDF only on Docsity! TENNESSEE Yueh Sherg Atlantic Ocean NATIVE POPULATIONS. Tennessee of Mexico Shawnes 200 ri Tuscana 200 kn Map scale 2. Verbal: 1 inch equals 10 miles ► Easy to understand ► Can change if photocopied Docsity.com Map symbolization ► Symbols are a code instead of text ► Three kinds: point, line, area ► Consider shape, size, orientation, pattern, color, value Docsity.com Visual Variables Shape On Orientation Pattern (texture) Hue (colour) Hue value Docsity.com Point symbols ► Every symbol counts as one occurrence ► Qualitative points  Indicate location  Can also describe that location ► Quantitative points  Show a distribution  Indicate a value (graduated symbols) Docsity.com lindicate a value 108th Congress Districts Map Layers ‘Ethnicity Docsity.com Line symbols ► One-dimensional ► Mostly taken for granted (borders, roads) ► Contour connect same values ► Flow-line maps indicate value by width of line Docsity.com Contour lines ‘olorado Climate Center jept of Atmospheric Science ‘olorado State University Ho/9i97__Scale: 1:250,000 Figure 10. Rainfall (inches) for eastern Larimer County, MDT July 27, 1997 through 11:00 p.m. MDT for July 28, 1997