Developer corner: Compact choropleth map styles with the Categorize function
One common task in cartography making is setting up a choropleth map, that is, a map showing different shades of colors or patters for different categories of a statistical attribute, such as population.GeoServer example data directory ships with two such examples using an old USA states map having, among others, population count per state. The two following maps should be familar, the first is using the population style, the other the pophatch style:The original styles use a typical SLD 1.0 setup to build choropleth maps, that is, use rule filters to tell apart the categories.This is fine, but also quite...
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