Map gallery: Added rules overriding example (Thermokarst landscapes)

- Use case opengeospatial#40
jerstlouis · Apr 9, 2023 · c3ba278 · c3ba278
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diff --git a/core/figures/gallery-thermokarst1.png b/core/figures/gallery-thermokarst1.png
diff --git a/core/sections/annex_c_portrayal_use_cases_gallery.adoc b/core/sections/annex_c_portrayal_use_cases_gallery.adoc
@@ -35,3 +35,49 @@ Data sources used
 
 .Example rendering of the Choropleth map
 image::figures/gallery-choropleth.png[]
+
+=== Overriding rules
+
+Requirements class used:
+
+* <<rc-core, Core>>
+* <<rc-vector, Basic Vector Features Styling>>
+
+Data sources used
+
+- Circumpolar distribution and carbon storage of thermokarst landscapes
+
+Citation: Olefeldt, D., Goswami, S., Grosse, G., Hayes, D., Hugelius, G., Kuhry, P., McGuire, A.D, Romanovsky, V.E, Sannel, A.B.K., Schuur, E.A.G., Turetsky, M.R: Circumpolar distribution and carbon storage of thermokarst landscapes. Nature Communications, 7, 13043. Available at: https://www.nature.com/articles/ncomms13043#f3 (2016)
+
+.Style encoded using CCSSS encoding
+====
+[source,ccsss]
+----
+#Thermokarst
+{
+   stroke: { width: 0 };
+   [TKWP = 'Low'                                    ]{ fill: { #a1ff74 }; }
+   [TKThLP = 'Low'                                  ]{ fill: { #74b2ff }; }
+   [TKHP = 'Low'                                    ]{ fill: { #fd846d }; }
+   [TKWP = 'Low' AND TKHP = 'Low'                   ]{ fill: { #f7ff7c }; }
+   [TKWP = 'Low' AND TKThLP = 'Low'                 ]{ fill: { #beffe9 }; }
+   [TKWP = 'Low' AND TKThLP = 'Low' AND TKHP = 'Low']{ fill: { #9d9d9d }; }
+   [TKWP = 'Moderate'                               ]{ fill: { #4de600 }; }
+   [TKThLP = 'Moderate'                             ]{ fill: { #0070ff }; }
+   [TKHP = 'Moderate'                               ]{ fill: { #fe0001 }; }
+   [TKWP = 'Moderate' AND TKHP = 'Moderate'         ]{ fill: { #eae600 }; }
+   [TKThLP = 'Moderate' AND TKHP = 'Moderate'       ]{ fill: { #ff00c4 }; }
+   [TKWP = 'Moderate' AND TKThLP = 'Moderate'       ]{ fill: { #00e7a9 }; }
+   [TKWP = 'High'                                   ]{ fill: { #39a60d }; }
+   [TKThLP = 'High'                                 ]{ fill: { #014da9 }; }
+   [TKHP = 'High'                                   ]{ fill: { #9a0602 }; }
+   [TKWP = 'High' AND TKThLP = 'High'               ]{ fill: { #00a882 }; }
+   [TKWP = 'Very High'                              ]{ fill: { #334d27 }; }
+   [TKThLP = 'Very High'                            ]{ fill: { #002674 }; }
+   [TKWP = 'Very High' AND TKThLP = 'Very High'     ]{ fill: { #007f7e }; }
+}
+----
+====
+
+.Example rendering of the thermokarst landscapes
+image::figures/gallery-thermokarst1.png[]