Map:Map-6.3/structure

{

   "layers": [
       {
           "id": "quarter",
           "kind": "border",
           "label": "",
           "file": "22_map-6-3/jewish-quarter.geojson"
       },
       {
           "id": "lines",
           "kind": "line",
           "label": "",
           "file": "22_map-6-3/walls-and-ghetto.geojson"
       },
       {
           "id": "places",
           "kind": "point",
           "label": "",
           "file": "22_map-6-3/places.geojson"
       }
   ],
   "legend": [
       {
           "kind": "line",
           "swatch": "#fbc02d",
           "border": "",
           "layer": "lines",
           "data": "#fbc02d",
           "label": "old city wall"
       },
       {
           "kind": "line",
           "swatch": "#303f9f",
           "border": "",
           "layer": "quarter",
           "data": "",
           "label": "Jewish quarter"
       },
       {
           "kind": "line",
           "swatch": "#d32f2f",
           "border": "",
           "layer": "lines",
           "data": "#d32f2f",
           "label": "ghetto borders, May to August 1942"
       },
       {
           "kind": "line",
           "swatch": "#7b1fa2",
           "border": "",
           "layer": "lines",
           "data": "#7b1fa2",
           "label": "ghetto borders, August to November 1942"
       },
       {
           "kind": "line",
           "swatch": "#388e3c",
           "border": "",
           "layer": "lines",
           "data": "#388e3c",
           "label": "ghetto borders, November 1942 to September 1943"
       },
       {
           "kind": "dot",
           "swatch": "#388e3c",
           "border": "",
           "layer": "places",
           "data": "#388e3c",
           "label": "suburbs with Jewish presence in the 18th century"
       },
       {
           "kind": "dot",
           "swatch": "#1976d2",
           "border": "",
           "layer": "places",
           "data": "#1976d2",
           "label": "suburbs with Jewish presence in the 19th century"
       },
       {
           "kind": "dot",
           "swatch": "#d32f2f",
           "border": "",
           "layer": "places",
           "data": "#d32f2f",
           "label": "synagogues and other Jewish public institutions"
       }
   ]

}