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opengeospatial / styles-and-symbology

OGC Styles & Symbology Standards
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Use Case: Graduated and Categorized: conditional coloring of a map #17

Open Prajwalita opened 1 year ago

Prajwalita commented 1 year ago

Existing conformance classes required for this use case: Symbology Core: Class Symbolizer Example stylesheet: Describe any capability not already addressed by existing conformance classes:

  1. Categorized: coloring map according to a unique value eg. coloring map according to region name (unique value)
  2. Graduated: coloring map according to a range of values eg. coloring map according to the population of a zone in a particular range(0-5000, 5000-10000) Example image illustrating the portrayal use case:
  3. Categorized: Categorized
  4. Graduated: buses_per_zone
ebocher commented 1 year ago

Thanks for this issue case. Could you please share a data set ?

Prajwalita commented 1 year ago

sure...here is the data Population_2018.csv PuneCMP_TAZ.zip

ebocher commented 1 year ago

Ok thanks we will prepare a pseudo css encoding to explain how to build choropleth and unique values map.

Prajwalita commented 1 year ago

Categorized map: Fill color depending on the unique values when data is in the format of non-continuous values and classes are unknown because of a large amount of data