Weighted isolines: An alternative method for depicting statistical surfaces

David Dibiase, James Leroy Sloan, Thomas Paradis

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


“Weighted isolines” is a method of isoline symbolization in which isolines vary in width in proportion to the data values they represent. Results of a map interpretation experiment demonstrate that the weighted isolines method is an effective alternative to conventional labeled isolines of uniform width and “shadowed” isolines (which thicken uniformly along southeastward slopes) for prompting rapid and accurate interpretation of statistical surfaces.

Original languageEnglish (US)
Pages (from-to)218-228
Number of pages11
JournalProfessional Geographer
Issue number2
StatePublished - May 1994


  • Cartographic symbolization
  • Isolines
  • Multivariate displays
  • Thematic mapping
  • Visualization

ASJC Scopus subject areas

  • Geography, Planning and Development
  • Earth-Surface Processes


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