source: josm/trunk/resources/data/validator/geometry.mapcss

/* {0} on a node, should be a way */
node[area=no],
node[oneway],
node[bridge],
node[sidewalk],
node[footway][footway!=crossing], /* footway=crossing has own warning in highway.mapcss */
node[man_made=embankment],
node[man_made=groyne],
node[man_made=cutline],
node[power=line],
node[cutline],
node[aerialway=cable_car],
node[aerialway=gondola],
node[aerialway=chair_lift],
node[aerialway=mixed_lift],
node[aerialway=drag_lift],
node[aerialway=t-bar],
node[aerialway=j-bar],
node[aerialway=platter],
node[aerialway=magic_carpet],
node[aerialway=rope_tow],
node[aerialway=goods],
node[aeroway=taxiway],
node[aeroway=runway],
node[railway=rail],
node[railway=narrow_gauge],
node[railway=monorail],
node[railway=preserved],
node[railway=light_rail],
node[railway=subway],
node[railway=tram],
node[railway=disused],
node[railway=abandoned],
node[waterway=river],
node[waterway=canal],
node[waterway=stream],
node[waterway=ditch],
node[waterway=drain],
node[natural=coastline],
node[natural=ridge],
node[natural=valley],
node[natural=tree_row] {
  throwWarning: tr("{0} on a node. Should be used on a way.", "{0.tag}");
  assertMatch: "node oneway=-1";
  assertNoMatch: "way oneway=-1";
  assertMatch: "node bridge=yes";
  assertMatch: "node bridge=viaduct";
}

/* {0} on a node, should be a way or relation */
node[boundary=administrative] {
  throwWarning: tr("{0} on a node. Should be used on a way or relation.", "{0.tag}");
}

/* {0} on a node, should be an area; #10679 #16528 #16792 #12502 #17402*/
node[golf=green],
node[golf=bunker],
node[golf=fairway],
node[area=yes],
node[area:highway],
node[landuse],
node[natural=bare_rock],
node[natural=beach],
node[natural=fell],
node[natural=glacier],
node[natural=grassland],
node[natural=heath],
node[natural=mud],
node[natural=sand],
node[natural=scree],
node[natural=scrub],
node[natural=shrubbery],
node[natural=water],
node[natural=wetland],
node[natural=wood],
node[leisure=park][natural!=tree], /* For nodes with both tags another warning is created in combinations.mapcss */
node[leisure=nature_reserve],
node[waterway=riverbank],
node[man_made=bridge],
node[man_made=breakwater],
node[aeroway=apron],
node[power=plant],
node[power=switchgear],
node[building:part],
node[source:outline] {
  throwWarning: tr("{0} on a node. Should be drawn as an area.", "{0.tag}");
}

/* {0} on a node, should be a relation; Error level; #10252, #10769, #14288 */
node[type=multipolygon],
node[interval],
node[route],
node[restriction] {
  throwError: tr("{0} on a node. Should be used in a relation", "{0.tag}"); 
}

/* {0} on a way, should be a node (0.tag) */
way[emergency=fire_hydrant],
way[emergency=defibrillator],
way[railway=subway_entrance],
way[man_made=survey_point],
way[power=transformer],
way[power=pole],
way[power=catenary_mast],
way[power=connection],
way[power=terminal],
way[power=tower]!:closed,
way[amenity=vending_machine],
way[natural=peak],
way[natural=saddle],
way[natural=volcano],
way[natural=tree],
way[highway=give_way],
way[highway=milestone],
way[highway=mini_roundabout],
way[highway=stop],
way[highway=street_lamp],
way[highway=traffic_signals],
way[highway=turning_loop],
way[highway=turning_circle],
way[highway=motorway_junction] {
  throwWarning: tr("{0} on a way. Should be used on a node.", "{0.tag}"); 
}

/* {0} on a way, should be a node (0.key) */
way[voltage:primary],
way[voltage:secondary],
way[voltage:tertiary],
way[transformer],
way[line_arrangement],
way[line_attachment],
way[line_management],
way[entrance],
way[door] {
  throwWarning: tr("{0} on a way. Should be used on a node.", "{0.key}"); 
}

/* {0} on a way, should be a relation; #15642, #10252, #14288 */
way[restriction][restriction =~ /^(no_right_turn|no_left_turn|no_u_turn|no_straight_on|only_right_turn|only_left_turn|only_straight_on|no_entry|no_exit)$/],
way[type=multipolygon],
way[interval][route!=ferry],
way[route=bus] {
  throwError: tr("{0} on a way. Should be used in a relation", "{0.tag}"); 
}

/* {0} on a closed way, should be a unclosed way; #19981 */
way:closed[power=line] {
  throwWarning: tr("{0} on a closed way. Should be used on an unclosed way.", "{1.tag}"); 
}

/* #20902 */
relation[area?] {
  throwWarning: tr("{0} on a relation", "{0.key}");
  fixRemove: "{0.key}";
}

/* #14395, #17025, #19506 */
way[highway][area!=yes][!tunnel][!covered] > node {
  set node_in_highway;
}
way[highway][area!=yes][!tunnel][!covered]:closed > node {
  set node_in_closed_highway;
}
way[highway][area!=yes][!tunnel][!covered] >[index=1] node,
way[highway][area!=yes][!tunnel][!covered] >[index=-1] node {
  set first_last_highway_node;
}
way[building][building!=no] > node[!entrance].node_in_closed_highway {
  set node_connects_highway_and_building; /* avoids duplicate warnings with following rule */
  throwWarning: tr("node connects highway and building");
}
way[building][building!=no] > node[!entrance].node_in_highway!.first_last_highway_node!.node_connects_highway_and_building {
  throwWarning: tr("node connects highway and building");
}

/* #15035, must not warn for node 3815077900*/
node[man_made!=monitoring_station][at(0.0,0.0)] {
  throwError: tr("Object at Position 0.00E 0.00N. There is nothing at this position except an already mapped weather buoy.");
  fixDeleteObject: this;
}

/* #10125 */
node[source:geometry] {
  throwWarning: tr("{0} on a node", "{0.key}");
  fixChangeKey: "source:geometry => source:position";
}

/* Building inside building (spatial test) */
*[building][building!~/no|entrance/][any(tag("layer"),"0") = any(parent_tag("layer"),"0")] ∈
area[building][building!~/no|entrance/] {
  throwWarning: tr("Building inside building");
}

/* Building overlapping building or building:part (spatial test) */
area[building][building!~/no|entrance/] ⧉ area[building:part][building:part!~/no|entrance/],
area[building][building!~/no|entrance/] ⧉ area[building][building!~/no|entrance/] {
  throwWarning: tr("Overlapping buildings");
}

/* Overlapping areas (spatial test) */
area[natural =~ /^(water|wetland)$/],
area[natural=coastline]:clockwise,
area[waterway=riverbank],
area[landuse=reservoir] {
  set water_area;
}

/* area:closed.water_area ⧉ area:closed.water_area -- does not work for now -- see ticket#10215 */
area:closed[natural =~ /^(water|wetland|coastline)$/] ⧉ area:closed.water_area,
area:closed[waterway=riverbank]                       ⧉ area:closed.water_area,
area:closed[landuse=reservoir]                        ⧉ area:closed.water_area {
  throwWarning: tr("Overlapping Water Areas");
}

/* Water area inside water area (spatial test) */
area:closed[natural =~ /^(water|wetland)$/]           ⊆  area:closed.water_area,
area:closed[natural=coastline]:clockwise              ⊆  area:closed.water_area,
area:closed[waterway=riverbank]                       ⊆  area:closed.water_area,
area:closed[landuse=reservoir]                        ⊆  area:closed.water_area,
area:closed[natural =~ /^(water|wetland)$/]           ⊇  area:closed.water_area,
area:closed[natural=coastline]:clockwise              ⊇  area:closed.water_area,
area:closed[waterway=riverbank]                       ⊇  area:closed.water_area,
area:closed[landuse=reservoir]                        ⊇  area:closed.water_area {
  throwWarning: tr("Water area inside water area");
}

area:completely_downloaded:closed:areaStyle ⧉ area:completely_downloaded:closed:areaStyle {
  throwOther: tr("Overlapping Areas");
}

/* #9311 */
node[amenity=parking]["capacity:disabled" !~ /^(yes|[0-9]+)$/] ∈ area[amenity=parking] {
  throwWarning: tr("{0} inside {1}", "amenity=parking", "amenity=parking");
  group: tr("{0} inside {1}", "amenity", "amenity");
}

/* #9556, #20570 */
area:closed:areaStyle[tag("natural") = parent_tag("natural")] ⧉ area:closed:areaStyle[natural][natural !~ /^(water|wetland|coastline)$/] {
  throwWarning: tr("Overlapping Identical Natural Areas");
}

area:closed[tag("landuse") = parent_tag("landuse")] ⧉ area:closed[landuse] {
  throwWarning: tr("Overlapping Identical Landuses");
}

/* #9522 */
node[tag("amenity") = parent_tag("amenity")] ∈ area[amenity][amenity != parking] {
  throwWarning: tr("{0} inside {1}", concat("amenity=", tag("amenity")), concat("amenity=", tag("amenity")));
  group: tr("{0} inside {1}", "amenity", "amenity");
}
node[tag("leisure") = parent_tag("leisure")] ∈ area[leisure] {
  throwWarning: tr("{0} inside {1}", concat("leisure=", tag("leisure")), concat("leisure=", tag("leisure")));
  group: tr("{0} inside {1}", "leisure", "leisure");
}
node[tag("tourism") = parent_tag("tourism")] ∈ area[tourism] {
  throwWarning: tr("{0} inside {1}", concat("tourism=", tag("tourism")), concat("tourism=", tag("tourism")));
  group: tr("{0} inside {1}", "tourism", "tourism");
}
node[tag("shop") = parent_tag("shop")] ∈ area[shop] {
  throwWarning: tr("{0} inside {1}", concat("shop=", tag("shop")), concat("shop=", tag("shop")));
  group: tr("{0} inside {1}", "shop", "shop");
}
node[tag("power") = parent_tag("power")] ∈ area[power] {
  throwWarning: tr("{0} inside {1}", concat("power=", tag("power")), concat("power=", tag("power")));
  group: tr("{0} inside {1}", "power", "power");
}

/* isolated nodes which should be part of a way; #10825, #15478, #21688 */
node:unconnected:in-downloaded-area[entrance],
node:unconnected:in-downloaded-area[traffic_calming],
node:unconnected:in-downloaded-area[highway=passing_place],
node:unconnected:in-downloaded-area[highway=mini_roundabout],
node:unconnected:in-downloaded-area[highway=motorway_junction],
node:unconnected:in-downloaded-area[highway=turning_loop],
node:unconnected:in-downloaded-area[highway=turning_circle],
node:unconnected:in-downloaded-area[highway=stop],
node:unconnected:in-downloaded-area[highway=give_way],
node:unconnected:in-downloaded-area[highway=traffic_signals],
node:unconnected:in-downloaded-area[highway=crossing],
node:unconnected:in-downloaded-area[crossing],
node:unconnected:in-downloaded-area[railway=buffer_stop],
node:unconnected:in-downloaded-area[railway=crossing],
node:unconnected:in-downloaded-area[railway=level_crossing],
node:unconnected:in-downloaded-area[railway=milestone],
node:unconnected:in-downloaded-area[public_transport=stop_position],
node:unconnected:in-downloaded-area[aeroway=holding_position],
node:unconnected:in-downloaded-area[noexit],
node:unconnected:in-downloaded-area[waterway=dam],
node:unconnected:in-downloaded-area[waterway=weir],
node:unconnected:in-downloaded-area[waterway=waterfall],
node:unconnected:in-downloaded-area[amenity=ferry_terminal],
node:unconnected:in-downloaded-area[leisure=slipway],
node:unconnected:in-downloaded-area[mountain_pass=yes],
node:unconnected:in-downloaded-area[barrier=gate],
node:unconnected:in-downloaded-area[barrier=lift_gate],
node:unconnected:in-downloaded-area[barrier=swing_gate],
node:unconnected:in-downloaded-area[barrier=toll_booth],
node:unconnected:in-downloaded-area[barrier=turnstile],
node:unconnected:in-downloaded-area[barrier=full-height_turnstile],
node:unconnected:in-downloaded-area[barrier=motorcycle_barrier],
node:unconnected:in-downloaded-area[barrier=rope],
node:unconnected:in-downloaded-area[barrier=sally_port],
node:unconnected:in-downloaded-area[barrier=spikes],
node:unconnected:in-downloaded-area[barrier=stile],
node:unconnected:in-downloaded-area[barrier=sump_buster],
node:unconnected:in-downloaded-area[barrier=kerb],
node:unconnected:in-downloaded-area[barrier=border_control],
node:unconnected:in-downloaded-area[barrier=bump_gate],
node:unconnected:in-downloaded-area[barrier=bus_trap],
node:unconnected:in-downloaded-area[barrier=cattle_grid],
node:unconnected:in-downloaded-area[barrier=chain],
node:unconnected:in-downloaded-area[barrier=cycle_barrier],
node:unconnected:in-downloaded-area[barrier=hampshire_gate],
node:unconnected:in-downloaded-area[barrier=height_restrictor],
node:unconnected:in-downloaded-area[barrier=debris] {
  throwWarning: tr("{0}", "{2.tag}");
  group: tr("isolated node which must be connected to a way");
}

/* #11127 */
way[railway][bridge] > node,
way[highway][bridge] > node {
  set node_in_bridge;
}
way[waterway] > node.node_in_bridge {
  throwWarning: tr("node connects waterway and bridge");
}

/* #11128, #14812, #15032 */
way[highway] > node[tourism=information][information=guidepost] {
  set guidepost;
  throwOther: tr("{0} node connected to a highway", "{1.tag}");
}
way >[index=1] node,
way >[index=-1] node {
  set first_last_node;
}
way[highway] > node[amenity][!entrance][amenity!~/^(parking|parking_space|parking_entrance|motorcycle_parking|bicycle_parking|bus_station|car_wash|ferry_terminal|weighbridge|taxi|toilets|ticket_validator)$/],
way[highway] > node[building][!entrance],
way[highway] > node[leisure][!entrance][leisure!=slipway][leisure!=fitness_station],
way[highway] > node[office][!entrance],
way[highway][highway!=corridor] > node[shop][!entrance],
way[highway] > node[tourism][!entrance][tourism!=viewpoint]!.guidepost.first_last_node:connection,
way[highway] > node[tourism][!entrance][tourism!=viewpoint]!.guidepost!.first_last_node {
  throwWarning: tr("{0} node connected to a highway", "{0.key}");
}

/* #18817 */
way[man_made=pipeline][location=underground] > node[marker],
way[power=cable      ][location=underground] > node[marker] {
  throwWarning: tr("{0} node connected to an underground object", "{0.key}");
}

way[junction=roundabout]:righthandtraffic:clockwise,
way[junction=roundabout]!:righthandtraffic:anticlockwise {
  throwWarning: tr("suspicious roundabout direction");
}

/* #12496 */
area:closed[place=islet][eval(areasize()) > 1500000] {
  throwWarning: tr("{0} on a large area", "{1.tag}");
  suggestAlternative: "place=island";
  fixAdd: "place=island";
}

area:closed[place=island][eval(areasize()) < 500000] {
  throwWarning: tr("{0} on a small area", "{1.tag}");
  suggestAlternative: "place=islet";
  fixAdd: "place=islet";
}

/* #12561 - building larger than Lada car factory (906280 m^2 in OSM) way id 47121317 at N53.56, E49.25, https://en.wikipedia.org/wiki/List_of_largest_buildings#Largest_footprint*/
area:closed[building][building!=no][eval(areasize()) > 920000] {
  throwError: tr("Too large building");
}

/* #12646, #12992, #16334 */
way[waterway=~/^(stream|river|drain)$/]!:closed >[index=-1] node[natural!=sinkhole][natural!=cave_entrance][waterway!=stream_end]!:connection:in-downloaded-area { 
  throwWarning: tr("Waterway ends without a connection to another waterway or the direction of the waterway is wrong.");
}

/* #10717, #14535 */
way:closed[natural=coastline] ∈ area[natural=water],
way:closed[natural=coastline] ∈ area[waterway=riverbank] {
  throwError: tr("Coastline inside {1}", "{0.tag}");
}

/* #10471 */
way[waterway] > node[ford?] { set ford_on_waterway; }
way[highway] > node[ford?] { set ford_on_highway; }
node[ford?]:in-downloaded-area!.ford_on_waterway, node[ford?]:in-downloaded-area!.ford_on_highway {
    throwWarning: tr("{0} should be on the node where {1} and {2} intersect", "ford", "highway", "waterway");
}

/* #13877 */
area:closed[waterway = canal][area!=no],
area:closed[waterway = drain][area!=no],
area:closed[waterway = ditch][area!=no],
area:closed[waterway = stream][area!=no],
area:closed[waterway = river][area!=no] {
  throwWarning: tr("{0} is the tag for the linear waterway. To tag the water area use {1} + {2} instead.", "{1.tag}", "natural=water", "water=*");
}

/* #15097 */
way[highway][area!=yes] > node,
way[man_made=pier] > node {
  set node_in_highway_pier;
}
way[route=ferry][tunnel=yes] > node,
way[route=ferry][bridge=yes] > node {
  set node_in_ferry_bridge_tunnel;
}
way[route=ferry]!:closed >[index= 1] node!.node_in_highway_pier!.node_in_ferry_bridge_tunnel:in-downloaded-area,
way[route=ferry]!:closed >[index=-1] node!.node_in_highway_pier!.node_in_ferry_bridge_tunnel:in-downloaded-area { 
  throwWarning: tr("Ferry route is not connected to the road network or branches.");
}
way[amenity=ferry_terminal] > node,
way[man_made=pier] > node {
  set node_in_terminal_pier;
}
way[route=ferry]!:closed >[index= 1] node[amenity!=ferry_terminal][man_made!=pier]!.node_in_terminal_pier!.node_in_ferry_bridge_tunnel:in-downloaded-area,
way[route=ferry]!:closed >[index=-1] node[amenity!=ferry_terminal][man_made!=pier]!.node_in_terminal_pier!.node_in_ferry_bridge_tunnel:in-downloaded-area { 
  throwWarning: tr("Ferry route is not connected to a ferry terminal or branches.");
}

/* #21801 */
way[railway][railway !~ /^(turntable|traverser|platform_edge|roundhouse|workshop|platform)$/] > node[/railway$/ !~ /^(switch|railway_crossing)$/][count(parent_osm_primitives("railway")) > 2]:connection,
way[railway][railway !~ /^(turntable|traverser|platform_edge|roundhouse|workshop|platform)$/] >[index!=1][index!=-1] node[/railway$/ !~ /^(switch|railway_crossing)$/][count(parent_osm_primitives("railway")) == 2]:connection {
  set missing_switch_railway_crossing;
}
node.missing_switch_railway_crossing {
  throwWarning: tr("Railways connection node without {0} or {1}", "railway=switch", "railway=railway_crossing");
  group: tr("missing tag");
}
node[railway=railway_crossing]!:connection:in-downloaded-area,
node[railway=switch]!:connection:in-downloaded-area {
  throwWarning: tr("{0}", "{0.tag}");
  group: tr("Node should be connected to two or more ways");
}