Experimental power topic

Author: joto

themes/experimental/topics/power.lua

@@ -0,0 +1,93 @@
+-- ---------------------------------------------------------------------------
+--
+-- Theme: experimental
+-- Topic: power
+--
+-- ---------------------------------------------------------------------------
+
+local themepark, theme, cfg = ...
+
+themepark:add_table{
+    name = 'generators',
+    ids_type = 'node',
+    geom = 'point',
+    columns = themepark:columns('core/name', {
+        { column = 'energy_source', type = 'text' },
+        { column = 'solar_tracking', type = 'text' },
+    })
+}
+
+themepark:add_table{
+    name = 'powerlines',
+    ids_type = 'way',
+    geom = 'linestring',
+    columns = themepark:columns({
+        { column = 'voltage', type = 'int' },
+        { column = 'frequency', type = 'int' },
+        { column = 'cables', type = 'int' },
+        { column = 'operator', type = 'text' },
+        { column = 'operator_wikidata', type = 'text' },
+    })
+}
+
+themepark:add_table{
+    name = 'powerplants',
+    ids_type = 'area',
+    geom = 'multipolygon',
+    columns = themepark:columns('core/name', {
+        { column = 'energy_source', type = 'text' },
+    })
+}
+
+themepark:add_proc('node', function(object, data)
+    if object.tags.power == 'generator' then
+        local a = {
+            geom = object:as_point()
+        }
+
+        themepark.themes.core.add_name(a, object)
+
+        local source = object.tags['generator:source']
+        if source ~= nil and source:find(';') then
+            source = nil
+        end
+        a.energy_source = source
+
+        a.solar_tracking = object.tags['generator:solar:tracking']
+
+        themepark:insert('generators', a, object.tags)
+    end
+end)
+
+themepark:add_proc('way', function(object, data)
+    if object.tags.power == 'line' then
+        local a = {
+            geom = object:as_linestring(),
+            voltage = object.tags.voltage,
+            frequency = object.tags.frequency,
+            cables = object.tags.cables,
+            operator = object.tags.operator,
+            operator_wikidata = object.tags['operator:wikidata'],
+        }
+        themepark:insert('powerlines', a, object.tags)
+    end
+end)
+
+themepark:add_proc('area', function(object, data)
+    if object.tags.power == 'plant' then
+        local a = {
+            geom = object:as_area()
+        }
+
+        themepark.themes.core.add_name(a, object)
+
+        local source = object.tags['plant:source']
+        if source ~= nil and source:find(';') then
+            source = nil
+        end
+        a.energy_source = source
+
+        themepark:insert('powerplants', a, object.tags)
+    end
+end)
+