Discussion
Data related to point locations and assumed to be in raster format is generally represented on .............. .
Answer: C
Such data are generally represented on an isopleth map.
Values measured at points, such as temperature, rainfall or elevation, are treated as samples of a continuous surface, which is how a raster represents data. Isopleths (isolines) are drawn through interpolated points of equal value, so they show exactly this kind of continuously varying data, as isotherms, isohyets and contours do.
A choropleth map shades whole administrative areas by a value per unit area. Chorochromatic maps colour areas by qualitative category (such as soil type), and choroschematic maps use symbols for qualitative distributions; neither is built from continuous point data.
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