Transport Catalogue

The application allows users to create and manage bus routes. It operates via JSON requests and can display information about specific bus stops, routes, and a map of all routes as an SVG string.

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Features

• Create and manage bus routes.
• Retrieve information about each stop, including coordinates and distances to nearby stops.
• Render route maps with customizable visual settings (colors, sizes, fonts).

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Functional Demo

Example JSON Request:

{
    "base_requests": [
      {
        "type": "Bus",
        "name": "114",
        "stops": ["Zaradye", "Park Kulturi"],
        "is_roundtrip": false
      },
      {
        "type": "Stop",
        "name": "Park Kulturi",
        "latitude": 43.587795,
        "longitude": 39.716901,
        "road_distances": {"Zaradye": 850}
      },
      {
        "type": "Stop",
        "name": "Zaradye",
        "latitude": 43.581969,
        "longitude": 39.719848,
        "road_distances": {"Park Kulturi": 850}
      }
    ],
    "render_settings": {
      "width": 200,
      "height": 200,
      "padding": 30,
      "stop_radius": 5,
      "line_width": 14,
      "bus_label_font_size": 20,
      "bus_label_offset": [7, 15],
      "stop_label_font_size": 20,
      "stop_label_offset": [7, -3],
      "underlayer_color": [255,255,255,0.85],
      "underlayer_width": 3,
      "color_palette": ["green", [255,160,0],"red"]
    },
    "stat_requests": [
      { "id": 1, "type": "Map" },
      { "id": 2, "type": "Stop", "name": "Park Kulturi" },
      { "id": 3, "type": "Bus", "name": "114" }
    ]
}

Example output:

[
    {
        "map": "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\">\n<polyline points=\"100.817,170 30,30 100.817,170\" fill=\"none\" stroke=\"green\" stroke-width=\"14\" stroke-linecap=\"round\" stroke-linejoin=\"round\"/>\n<text fill=\"rgba(255,255,255,0.85)\" stroke=\"rgba(255,255,255,0.85)\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\" x=\"100.817\" y=\"170\" dx=\"7\" dy=\"15\" font-size=\"20\" font-family=\"Verdana\" font-weight=\"bold\">114</text>\n<text fill=\"green\" x=\"100.817\" y=\"170\" dx=\"7\" dy=\"15\" font-size=\"20\" font-family=\"Verdana\" font-weight=\"bold\">114</text>\n<text fill=\"rgba(255,255,255,0.85)\" stroke=\"rgba(255,255,255,0.85)\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\" x=\"30\" y=\"30\" dx=\"7\" dy=\"15\" font-size=\"20\" font-family=\"Verdana\" font-weight=\"bold\">114</text>\n<text fill=\"green\" x=\"30\" y=\"30\" dx=\"7\" dy=\"15\" font-size=\"20\" font-family=\"Verdana\" font-weight=\"bold\">114</text>\n<circle cx=\"30\" cy=\"30\" r=\"5\" fill=\"white\"/>\n<circle cx=\"100.817\" cy=\"170\" r=\"5\" fill=\"white\"/>\n<text fill=\"rgba(255,255,255,0.85)\" stroke=\"rgba(255,255,255,0.85)\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\" x=\"30\" y=\"30\" dx=\"7\" dy=\"-3\" font-size=\"20\" font-family=\"Verdana\">Park Kulturi</text>\n<text fill=\"black\" x=\"30\" y=\"30\" dx=\"7\" dy=\"-3\" font-size=\"20\" font-family=\"Verdana\">Park Kulturi</text>\n<text fill=\"rgba(255,255,255,0.85)\" stroke=\"rgba(255,255,255,0.85)\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\" x=\"100.817\" y=\"170\" dx=\"7\" dy=\"-3\" font-size=\"20\" font-family=\"Verdana\">Zaradye</text>\n<text fill=\"black\" x=\"100.817\" y=\"170\" dx=\"7\" dy=\"-3\" font-size=\"20\" font-family=\"Verdana\">Zaradye</text>\n</svg>",
        "request_id": 1
    },
    {
        "buses": [
            "114"
        ],
        "request_id": 2
    },
    {
        "curvature": 1.23199,
        "request_id": 3,
        "route_length": 1700,
        "stop_count": 3,
        "unique_stop_count": 2
    }
]

Example map

Deployment Instructions

• Version Standard С++17