map_data.js

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    "兰花路": {"x": 1036, "y": 914},
    "南湖": {"x": 1036, "y": 868},
    "南岸区府": {"x": 1071, "y": 843},
    "南滨路": {"x": 1121, "y": 773},
    "人民广场": {"x": 1057, "y": 695},
    "龙头寺公园": {"x": 1024, "y": 520},
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    "外河坪北": {"x": 824, "y": 1058},
    "李家沱东": {"x": 968, "y": 1054},
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    "黑松林": {"x": 152, "y": 376},
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    "凤凰": {"x": 154, "y": 306},
    "同兴": {"x": 460, "y": 339},
    "童家溪": {"x": 456, "y": 300},
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    "水土": {"x": 557, "y": 152},
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    "方家山": {"x": 1209, "y": 31},
    "竹林湾": {"x": 1266, "y": 28},
    "空港工业园": {"x": 1402, "y": 68},
    "盛家林": {"x": 1453, "y": 68},
    "谭家院子": {"x": 1559, "y": 24},
    "王家镇": {"x": 1600, "y": 23},
    "贺家寨": {"x": 1639, "y": 61},
    "井口": {"x": 455, "y": 413},
    "鸳鸯东": {"x": 1109, "y": 280},
    "新龙湾": {"x": 1382, "y": 282},
    "天堡村": {"x": 1497, "y": 279},
    "白石村": {"x": 1543, "y": 279},
    "生基堡": {"x": 1610, "y": 279},
    "桂花湾": {"x": 521, "y": 186},
    "水土北": {"x": 556, "y": 113},
    "雨台山西": {"x": 581, "y": 87},
    "复兴": {"x": 664, "y": 17},
    "滨江新城": {"x": 89, "y": 1222},
    "土堡": {"x": 90, "y": 1188},
    "双福南": {"x": 90, "y": 1155},
    "双福北": {"x": 88, "y": 1061},
    "走马": {"x": 91, "y": 1012},
    "龙潭沟": {"x": 93, "y": 949},
    "金凤北": {"x": 149, "y": 786},
    "福来村": {"x": 153, "y": 687},
    "曾家": {"x": 153, "y": 633},
    "陈家桥北": {"x": 237, "y": 420},
    "上桥": {"x": 459, "y": 818},
    "凤鸣山": {"x": 488, "y": 777},
    "凤天路": {"x": 514, "y": 744},
    "天星桥": {"x": 514, "y": 703},
    "沙正街": {"x": 513, "y": 593},
    "玉带山": {"x": 556, "y": 556},
    "南桥寺": {"x": 590, "y": 529},
    "体育公园": {"x": 630, "y": 496},
    "动步公园": {"x": 782, "y": 479},
    "洪湖东路": {"x": 828, "y": 460},
    "渝鲁": {"x": 1085, "y": 502},
    "仁济": {"x": 1331, "y": 688},
    "上浩": {"x": 1268, "y": 802},
    "海棠溪": {"x": 1236, "y": 832},
    "罗家坝": {"x": 1206, "y": 857},
    "海峡路": {"x": 958, "y": 867},
    "陈家坪": {"x": 686, "y": 831},
    "彩云湖": {"x": 640, "y": 846},
    "华龙": {"x": 531, "y": 887}
}

window.lines = (function () {
    var lines = {}; // 记录了所有线路的信息，key是路线名字，value是该路线站点名字的一维数组

    var map_str =
        '1号线：朝天门、小什字、较场口、七星岗、两路口、鹅岭、大坪、石油路、歇台子、石桥铺、高庙村、马家岩、小龙坎、沙坪坝、杨公桥、烈士墓、磁器口、石井坡、双碑、赖家桥、微电园、陈家桥、大学城、尖顶坡\n' +
        '2号线：较场口、临江门、黄花园、大溪沟、曾家岩、牛角沱、李子坝、佛图关、大坪、袁家岗、谢家湾、杨家坪、动物园、大堰村、马王场、平安、大渡口、新山村、天堂堡、建桥、金家湾、刘家坝、白居寺、大江、鱼洞\n' +
        '2号线支线：天堂堡、半山、田坝、中梁山西\n' +
        '3号线：鱼洞、金竹、鱼胡路、学堂湾、大山村、花溪、岔路口、九公里、麒龙、八公里、二塘、六公里、五公里、四公里、南坪、工贸、铜元局、两路口、牛角沱、华新街、观音桥、红旗河沟、嘉州路、郑家院子、唐家院子、狮子坪、重庆北站南广场、龙头寺、童家院子、金渝、金童路、鸳鸯、园博园、翠云、长福路、回兴、双龙、碧津、江北机场、双凤桥、空港广场、高堡湖、观月路、莲花、举人坝\n' +
        '4号线：新牌坊、民安大道、重庆北站、保税港、寸滩、黑石子、太平冲、唐家沱、干坝子、鱼嘴、复盛、王家城、生基堡、龙兴、高石塔、普福、桐梓林、石船、石船北\n' +
        '5号线：跳蹬、华岩中心、金建路、中梁山、半山、华成路、华岩寺、重庆西、凤西路、巴山、石新路、石桥铺、歇台子、红岩村、忠恕沱、大石坝、大龙山、冉家坝、幸福广场、人和、和睦路、重光、湖霞街、丹鹤、园博中心、翠云西、腾芳大道、中央公园西站、椿萱大道、悦港大道\n' +
        '5号线支线：几江、鼎山、琅山、西彭、西彭北、石塔村、陶家、黑岩村、九龙园区、中梁山公园、跳蹬、文家湾、长征厂、白居寺、钓鱼嘴、外河坪南、李家沱、五龙庙、重庆南站、滩子口、杨家坪、奥体中心、歇台子\n' +
        '6号线：茶园、邱家湾、长生桥、刘家坪、上新街、小什字、大剧院、江北城、五里店、红土地、黄泥磅、红旗河沟、花卉园、大龙山、冉家坝、光电园、大竹林、康庄、九曲河、礼嘉、金山寺、曹家湾、蔡家、向家岗、龙凤溪、状元碑、天生、北碚\n' +
        '6号线支线1：礼嘉、平场、黄茅坪、高义口、国博中心、悦来、甘院子、草家湾、麦子坝、刘家院子、胡家湾、雨台山、胡家桥、红岩坪、沙河坝\n' +
        '6号线支线2：茶园、茶园东、任家山、梨湾、樵坪山、商贸城南、迎龙、商贸城北、小湾、广阳岛、孵化楼、银湖\n' +
        '7号线：双福、九龙园区、石板南、石板北、苗木基地、白市驿南、白市驿、含谷、华新村、中柱村、周家店、微电园、西永、土主、团结村、回龙坝、永远村、歇马、曹家坝、科技园、状元碑\n' +
        '8号线：界石、界石北、鹿角南、鹿角北、茶园、天文寺、刘家坪、广阳、望江、卧龙、干坝子、上石梁、王家沟、复盛、方元坝、和平村、贺家桥、御临、人民村\n' +
        '9号线：天梨路、沙坪坝、小龙坎、土湾、半山路、化龙桥、李家坪、蚂蝗梁、观音桥、鲤鱼池、刘家台、江北城、五里店、海尔路、保税港、何家梁、上果路、上湾路、服装城大道、回兴、桐岩村、悦龙大道、中央公园、望乡台、花石沟\n' +
        '10号线：兰花路、南湖、南岸区府、南坪、南滨路、七星岗、人民广场、曾家岩、鲤鱼池、红土地、龙头寺公园、重庆北站南广场、重庆北站、民心佳园、三亚湾、上湾路、环山公园、长河、江北机场、渝北广场、鹿山、中央公园东站、中央公园、中央公园西站、悦来、王家庄\n' +
        '11号线：涂山、弹子石、弹子石北、大佛寺、鸡冠石、太平冲、五里坪、石坪、工业园区\n' +
        '12号线：金凤南、白市驿、重庆西、二郎、巴国城、双山公园、平安、重钢、九宫庙、外河坪北、李家沱、李家沱东、九公里、鹿角南\n' +
        '13号线：虎溪、大学城、建新村、三岔河、黑松林、青木关、凤凰、土主、同兴、童家溪、断碑、向家岗、团石堡、天印村、石龙村、悦来\n' +
        '14号线：水土、王家桥、草家湾、悦港大道、花石沟、方家山、竹林湾、高堡湖、空港工业园、盛家林、举人坝、谭家院子、王家镇、贺家寨、石船、御临\n' +
        '15号线：双碑、井口、同兴、礼嘉、平场、湖霞街、鸳鸯、鸳鸯东、服装城大道、长河、新龙湾、工业园区、天堡村、白石村、生基堡、方元坝\n' +
        '16号线：向家岗、桂花湾、水土、水土北、雨台山西、胡家桥、复兴\n' +
        '17号线：几江、滨江新城、土堡、双福南、双福、双福北、走马、龙潭沟、金凤南、金凤北、福来村、曾家、虎溪、陈家桥、陈家桥北、西永\n' +
        '环线：重庆西、上桥、凤鸣山、凤天路、天星桥、沙坪坝、沙正街、玉带山、南桥寺、体育公园、冉家坝、动步公园、洪湖东路、民安大道、重庆北站南广场、渝鲁、五里店、弹子石、涂山、仁济、上新街、上浩、海棠溪、罗家坝、四公里、南湖、海峡路、谢家湾、奥体中心、陈家坪、彩云湖、二郎、华龙、重庆西';

    // 对文字版的地图信息做处理，填充lines对象
    var temp_list = map_str.split('\n');
    for (var i in temp_list) {
        var l = temp_list[i].split('：');
        lines[l[0]] = l[1].split('、')
    }

    return lines;
})();

window.map_input = (function(positions){
    var map_input = {};
    // 先将每两个站点之间的路径初始化为无穷大
    for(var name in positions){
        map_input[name] = {};
        for(var other in positions){
            if(name != other){
                map_input[name][other] = Infinity;
            }
        }
    }
    // 再沿着每条轻轨线构造两个站点之间的路径长度
    for(var line_name in lines){
        var line_sites = lines[line_name];
        for(var i = 1; i < line_sites.length; i++){
            var curr_site = line_sites[i];
            var last_site = line_sites[i-1];
            var dis = Math.sqrt(Math.pow(positions[curr_site].x - positions[last_site].x, 2) + Math.pow(positions[curr_site].y - positions[last_site].y, 2))
            map_input[curr_site][last_site] = map_input[last_site][curr_site] = dis;
        }
    }
    return map_input;
})(window.positions);