2016-02-11 1 views
2

J'essaie de dessiner une carte Google avec un état (Texas) rempli d'un fond gris, et une ville (San Antonio) avec un fond plus clair (blanc). mon approche est la suivante:Comment remplir les couches de données Google Maps les unes sur les autres?

var stateLayer = new google.maps.Data(); 
    var countyLayer = new google.maps.Data(); 

    stateLayer.loadGeoJson('state.json'); 
    countyLayer.loadGeoJson('county.json'); 

    stateLayer.setStyle({ 
    fillColor: 'gray', 
    strokeColor: '#000', 
    strokeOpacity: 1, 
    strokeWeight: 1 
    }); 

    countyLayer.setStyle({ 
    fillColor: '#fff', 
    strokeColor: 'black', 
    strokeOpacity: 1, 
    strokeWeight: 1 
    }); 

    stateLayer.setMap(map); 
    countyLayer.setMap(map); 

mais le résultat obtenu est gris partout dans l'état (y compris le comté).

s'il vous plaît voir ce jsFiddle

+0

S'il vous plaît fournir un [minimal, par exemple complet, testé et Readable] (http://stackoverflow.com/help/mcve) qui démontre la question, y compris celles exigées GeoJSON. – geocodezip

+0

sûr. s'il vous plaît voir le jsFiddle suivant: http://jsfiddle.net/kob490/rcLsy73b/4/. J'essaie de faire en sorte que le polygone interne du comté soit de la même couleur que le reste de la carte, à l'exception du Texas. – kob490

+0

On dirait que ce que vous voulez est un trou dans le polygone texas. Pour faire cela, vous devez inclure le polygone de San Antonio avec une direction de remontage inverse (au moins cela fonctionne avec des polygones normaux). – geocodezip

Répondre

1

Une option serait de faire un "trou" dans le Texas MultiPolygon où San Antonio est:

proof of concept fiddle

extrait de code: (note de caractère limitations dans le post l'extrait de code comprend un polygone simplifié pour le Texas, le violon contient le MultiPolygon complet)

var map; 
 

 
function initialize() { 
 
    map = new google.maps.Map(document.getElementById('map-canvas'), { 
 
    center: { 
 
     lat: 29.424122, 
 
     lng: -98.493629 
 
    }, 
 
    mapTypeId: google.maps.MapTypeId.TERRAIN, 
 
    zoom: 5 
 
    }); 
 

 
    // Load GeoJSON. 
 
    var stateLayer = new google.maps.Data(); 
 
    var countyLayer = new google.maps.Data(); 
 

 
    stateLayer.addGeoJson(stateGeoJson); 
 
    countyLayer.loadGeoJson('https://api.myjson.com/bins/3inb5'); 
 

 
    stateLayer.setStyle({ 
 
    fillColor: 'gray', 
 
    strokeColor: '#000', 
 
    strokeOpacity: 1, 
 
    strokeWeight: 1 
 
    }); 
 

 
    countyLayer.setStyle({ 
 
    fillColor: 'red', // make red so I can see that it is working 
 
    strokeColor: 'black', 
 
    strokeOpacity: 1, 
 
    strokeWeight: 1 
 
    }); 
 

 
    stateLayer.setMap(map); 
 
    countyLayer.setMap(map); 
 
} 
 

 
google.maps.event.addDomListener(window, 'load', initialize); 
 

 
var stateGeoJson = {"type":"FeatureCollection","features":[{"type":"Feature","properties":{"GEO_ID":"0400000US48","STATE":"48","NAME":"Texas"},"geometry":{"type":"MultiPolygon","coordinates":[ 
 
// simplified texas 
 
[[[-106.6552734375,32.0639555946604],[-103.0078125,32.0639555946604],[-103.0078125,36.491973470593685],[-99.9755859375,36.491973470593685],[-99.9755859375,34.59704151614417],[-99.0087890625,34.23451236236984],[-97.822265625,33.90689555128866],[-96.240234375,33.687781758439364],[-95.09765625,33.870415550941836],[-94.0869140625,33.43144133557529],[-94.0869140625,31.989441837922904],[-93.3837890625,31.05293398570514],[-93.9990234375,29.611670115197377],[-97.1630859375,27.916766641249065],[-97.470703125,26.745610382199025],[-97.03125,26.03704188651584],[-97.5146484375,25.878994400196202],[-99.140625,26.509904531413927],[-99.5361328125,27.68352808378776],[-100.3271484375,28.34306490482549],[-100.72265625,29.19053283229458],[-101.42578125,29.726222319395507],[-102.6123046875,29.76437737516313],[-103.095703125,28.998531814051795],[-104.6337890625,29.649868677972304],[-104.8974609375,30.524413269923986],[-106.6552734375,32.0639555946604]], 
 
// san antonio 
 
[[-98.68846,29.21083], 
 
[-98.682015,29.20863], 
 
[-98.63851,29.193774], 
 
[-98.625318,29.189273], 
 
[-98.590587,29.177251], 
 
[-98.585943,29.175655], 
 
[-98.58573,29.175582], 
 
[-98.557348,29.165861], 
 
[-98.547608,29.162526], 
 
[-98.526902,29.155435], 
 
[-98.52462,29.154688], 
 
[-98.524215,29.154515], 
 
[-98.497539,29.14541], 
 
[-98.484266,29.140821], 
 
[-98.484041,29.140744], 
 
[-98.465819,29.134476], 
 
[-98.441548,29.126127], 
 
[-98.441456,29.126092], 
 
[-98.431298,29.122507], 
 
[-98.407336,29.114435], 
 
[-98.397585,29.125244], 
 
[-98.372654,29.1555], 
 
[-98.330197,29.206269], 
 
[-98.327196,29.209868], 
 
[-98.304559,29.237003], 
 
[-98.303019,29.23885], 
 
[-98.300464,29.24191], 
 
[-98.295924,29.247353], 
 
[-98.29568,29.250546], 
 
[-98.29246,29.251235], 
 
[-98.28702,29.257626], 
 
[-98.283214,29.26233], 
 
[-98.255615,29.296176], 
 
[-98.249288,29.303938], 
 
[-98.237988,29.317737], 
 
[-98.20469,29.358113], 
 
[-98.204587,29.358236], 
 
[-98.188143,29.378514], 
 
[-98.138033,29.439391], 
 
[-98.137187,29.440428], 
 
[-98.134171,29.441751], 
 
[-98.129128,29.444268], 
 
[-98.128681,29.445363], 
 
[-98.12512,29.446405], 
 
[-98.120922,29.446476], 
 
[-98.121075,29.449048], 
 
[-98.124107,29.453224], 
 
[-98.126771,29.454736], 
 
[-98.126864,29.457223], 
 
[-98.125594,29.45824], 
 
[-98.123575,29.457675], 
 
[-98.120243,29.457468], 
 
[-98.117774,29.46023], 
 
[-98.117033,29.461925], 
 
[-98.116902,29.463884], 
 
[-98.118722,29.469263], 
 
[-98.120577,29.470841], 
 
[-98.121138,29.473542], 
 
[-98.122276,29.473019], 
 
[-98.124087,29.474003], 
 
[-98.12488,29.475642], 
 
[-98.123057,29.47638], 
 
[-98.122322,29.477646], 
 
[-98.12514,29.480196], 
 
[-98.125881,29.481648], 
 
[-98.128986,29.482453], 
 
[-98.131106,29.481381], 
 
[-98.131861,29.480127], 
 
[-98.134125,29.478923], 
 
[-98.136269,29.479265], 
 
[-98.137092,29.481191], 
 
[-98.136802,29.482495], 
 
[-98.135481,29.483089], 
 
[-98.13565,29.484216], 
 
[-98.137172,29.484234], 
 
[-98.139449,29.482485], 
 
[-98.14058,29.484152], 
 
[-98.139491,29.485549], 
 
[-98.141786,29.486485], 
 
[-98.143622,29.485743], 
 
[-98.142793,29.484027], 
 
[-98.144466,29.484231], 
 
[-98.143982,29.482492], 
 
[-98.142467,29.481611], 
 
[-98.142959,29.479741], 
 
[-98.144229,29.47813], 
 
[-98.150015,29.475667], 
 
[-98.150989,29.476278], 
 
[-98.150156,29.479752], 
 
[-98.150786,29.48058], 
 
[-98.152409,29.478616], 
 
[-98.155754,29.477809], 
 
[-98.159124,29.478651], 
 
[-98.1613,29.477716], 
 
[-98.164638,29.478091], 
 
[-98.166581,29.479439], 
 
[-98.166832,29.482036], 
 
[-98.168767,29.487092], 
 
[-98.166943,29.489622], 
 
[-98.168288,29.491169], 
 
[-98.168344,29.496153], 
 
[-98.169381,29.497528], 
 
[-98.171507,29.496747], 
 
[-98.172583,29.494503], 
 
[-98.173764,29.496627], 
 
[-98.176336,29.496688], 
 
[-98.178625,29.497662], 
 
[-98.181543,29.497392], 
 
[-98.183807,29.495747], 
 
[-98.184914,29.493393], 
 
[-98.184323,29.492716], 
 
[-98.180456,29.492782], 
 
[-98.179092,29.490911], 
 
[-98.179651,29.489569], 
 
[-98.177608,29.487176], 
 
[-98.176923,29.485399], 
 
[-98.178017,29.484442], 
 
[-98.18311,29.484899], 
 
[-98.187592,29.488212], 
 
[-98.188694,29.491363], 
 
[-98.189964,29.492843], 
 
[-98.18975,29.49665], 
 
[-98.188285,29.499412], 
 
[-98.186324,29.5012], 
 
[-98.1899,29.505719], 
 
[-98.190148,29.509328], 
 
[-98.195356,29.51111], 
 
[-98.195891,29.510103], 
 
[-98.198573,29.509365], 
 
[-98.200237,29.511445], 
 
[-98.19969,29.513596], 
 
[-98.19701,29.514757], 
 
[-98.196923,29.515731], 
 
[-98.198571,29.517326], 
 
[-98.201885,29.516869], 
 
[-98.202533,29.517705], 
 
[-98.201332,29.519048], 
 
[-98.204779,29.52215], 
 
[-98.208403,29.522529], 
 
[-98.209975,29.523365], 
 
[-98.214272,29.522963], 
 
[-98.216354,29.524349], 
 
[-98.218467,29.523369], 
 
[-98.219147,29.52393], 
 
[-98.219368,29.528533], 
 
[-98.221078,29.531246], 
 
[-98.222182,29.534811], 
 
[-98.222146,29.537986], 
 
[-98.224399,29.540312], 
 
[-98.229439,29.54195], 
 
[-98.229455,29.543401], 
 
[-98.224413,29.543463], 
 
[-98.22168,29.544381], 
 
[-98.221332,29.544362], 
 
[-98.220965,29.545248], 
 
[-98.22094,29.546194], 
 
[-98.221589,29.547932], 
 
[-98.222653,29.549032], 
 
[-98.224912,29.549681], 
 
[-98.225432,29.549718], 
 
[-98.226352,29.549642], 
 
[-98.226666,29.54941], 
 
[-98.227105,29.547141], 
 
[-98.229565,29.54669], 
 
[-98.230589,29.548108], 
 
[-98.230695,29.550837], 
 
[-98.233899,29.554893], 
 
[-98.239204,29.556575], 
 
[-98.242992,29.557058], 
 
[-98.246402,29.556], 
 
[-98.248931,29.554596], 
 
[-98.248885,29.551521], 
 
[-98.250755,29.550017], 
 
[-98.253796,29.550311], 
 
[-98.255361,29.552332], 
 
[-98.254636,29.554009], 
 
[-98.255605,29.554917], 
 
[-98.25853,29.554935], 
 
[-98.259621,29.552449], 
 
[-98.260075,29.549621], 
 
[-98.25937,29.547487], 
 
[-98.257806,29.545714], 
 
[-98.253881,29.544211], 
 
[-98.253021,29.54321], 
 
[-98.253882,29.540982], 
 
[-98.255377,29.540491], 
 
[-98.259746,29.541265], 
 
[-98.260658,29.542349], 
 
[-98.264818,29.543949], 
 
[-98.267432,29.544178], 
 
[-98.270389,29.54573], 
 
[-98.27084,29.548822], 
 
[-98.272924,29.550878], 
 
[-98.272973,29.550913], 
 
[-98.273036,29.550913], 
 
[-98.27333,29.551006], 
 
[-98.279069,29.551141], 
 
[-98.284329,29.553365], 
 
[-98.287782,29.559373], 
 
[-98.294766,29.561531], 
 
[-98.298524,29.561141], 
 
[-98.298328,29.56322], 
 
[-98.29985,29.566868], 
 
[-98.2999,29.566918], 
 
[-98.301539,29.568342], 
 
[-98.301882,29.568759], 
 
[-98.301938,29.568828], 
 
[-98.302308,29.569476], 
 
[-98.302903,29.574654], 
 
[-98.305066,29.576303], 
 
[-98.306073,29.579114], 
 
[-98.303927,29.582426], 
 
[-98.304431,29.58522], 
 
[-98.310636,29.589182], 
 
[-98.312058,29.590854], 
 
[-98.310928,29.594473], 
 
[-98.31095,29.59456], 
 
[-98.310837,29.598332], 
 
[-98.312033,29.601543], 
 
[-98.313292,29.602236], 
 
[-98.31348,29.602263], 
 
[-98.313494,29.602279], 
 
[-98.314806,29.602844], 
 
[-98.320456,29.601939], 
 
[-98.326234,29.604079], 
 
[-98.328651,29.608233], 
 
[-98.328736,29.610537], 
 
[-98.335328,29.611301], 
 
[-98.339187,29.6131], 
 
[-98.34234,29.617193], 
 
[-98.345121,29.618092], 
 
[-98.345673,29.619742], 
 
[-98.342715,29.62195], 
 
[-98.342271,29.62556], 
 
[-98.340861,29.627541], 
 
[-98.340604,29.630237], 
 
[-98.343052,29.634768], 
 
[-98.343351,29.635138], 
 
[-98.343401,29.63532], 
 
[-98.343672,29.635611], 
 
[-98.343874,29.635952], 
 
[-98.344178,29.63638], 
 
[-98.346072,29.639313], 
 
[-98.347618,29.645018], 
 
[-98.3434,29.650993], 
 
[-98.342733,29.653442], 
 
[-98.345108,29.655058], 
 
[-98.356629,29.658648], 
 
[-98.359781,29.662987], 
 
[-98.360802,29.665226], 
 
[-98.363764,29.666732], 
 
[-98.370994,29.664303], 
 
[-98.377117,29.662728], 
 
[-98.378906,29.662949], 
 
[-98.380541,29.668434], 
 
[-98.380854,29.671906], 
 
[-98.381646,29.674085], 
 
[-98.382419,29.674429], 
 
[-98.382452,29.674443], 
 
[-98.382566,29.67446], 
 
[-98.384341,29.676534], 
 
[-98.384113,29.678591], 
 
[-98.381781,29.680455], 
 
[-98.377325,29.682918], 
 
[-98.376315,29.687055], 
 
[-98.376711,29.689041], 
 
[-98.380827,29.696283], 
 
[-98.380523,29.699539], 
 
[-98.380965,29.701485], 
 
[-98.380161,29.703929], 
 
[-98.375874,29.706215], 
 
[-98.374595,29.706273], 
 
[-98.371274,29.705], 
 
[-98.368087,29.705647], 
 
[-98.362327,29.70597], 
 
[-98.35722,29.703912], 
 
[-98.354557,29.703864], 
 
[-98.35128,29.704867], 
 
[-98.347273,29.706777], 
 
[-98.344689,29.707239], 
 
[-98.342868,29.708384], 
 
[-98.34135,29.70965], 
 
[-98.340367,29.711795], 
 
[-98.340361,29.715819], 
 
[-98.338724,29.71705], 
 
[-98.338006,29.719146], 
 
[-98.338618,29.721786], 
 
[-98.341505,29.723337], 
 
[-98.346283,29.726703], 
 
[-98.349208,29.727511], 
 
[-98.350208,29.728748], 
 
[-98.352406,29.731884], 
 
[-98.352205,29.73415], 
 
[-98.355817,29.734072], 
 
[-98.35672,29.732885], 
 
[-98.356825,29.732614], 
 
[-98.35692,29.732452], 
 
[-98.359382,29.729037], 
 
[-98.364366,29.724332], 
 
[-98.369828,29.720693], 
 
[-98.37521,29.719975], 
 
[-98.375644,29.722654], 
 
[-98.374999,29.724619], 
 
[-98.3735,29.726022], 
 
[-98.373248,29.729186], 
 
[-98.373729,29.730594], 
 
[-98.376967,29.732618], 
 
[-98.384353,29.735141], 
 
[-98.388262,29.733943], 
 
[-98.390972,29.73648], 
 
[-98.393632,29.736481], 
 
[-98.399172,29.738111], 
 
[-98.398262,29.742842], 
 
[-98.402087,29.746859], 
 
[-98.403272,29.748824], 
 
[-98.407786,29.748599], 
 
[-98.410834,29.747426], 
 
[-98.416064,29.746549], 
 
[-98.418984,29.744937], 
 
[-98.420673,29.743529], 
 
[-98.421765,29.740377], 
 
[-98.421803,29.738842], 
 
[-98.42048,29.733814], 
 
[-98.417851,29.733318], 
 
[-98.416887,29.731695], 
 
[-98.418627,29.729489], 
 
[-98.421048,29.728879], 
 
[-98.425908,29.727015], 
 
[-98.429955,29.723588], 
 
[-98.426842,29.71769], 
 
[-98.430926,29.715754], 
 
[-98.438955,29.715765], 
 
[-98.441217,29.716627], 
 
[-98.443852,29.71965], 
 
[-98.444704,29.722466], 
 
[-98.444606,29.726149], 
 
[-98.442918,29.730471], 
 
[-98.442681,29.732286], 
 
[-98.443671,29.734646], 
 
[-98.446778,29.735983], 
 
[-98.451203,29.734403], 
 
[-98.452479,29.733207], 
 
[-98.452595,29.732802], 
 
[-98.457494,29.731564], 
 
[-98.459366,29.731773], 
 
[-98.462127,29.733505], 
 
[-98.464959,29.738115], 
 
[-98.465974,29.738538], 
 
[-98.468471,29.737861], 
 
[-98.471647,29.736298], 
 
[-98.473972,29.734366], 
 
[-98.476991,29.733436], 
 
[-98.479778,29.73508], 
 
[-98.485332,29.735832], 
 
[-98.487935,29.735897], 
 
[-98.48975,29.73534], 
 
[-98.492354,29.735934], 
 
[-98.493023,29.737034], 
 
[-98.496957,29.73849], 
 
[-98.50115,29.738241], 
 
[-98.503974,29.738644], 
 
[-98.507188,29.739795], 
 
[-98.509728,29.741259], 
 
[-98.514491,29.742856], 
 
[-98.516226,29.743083], 
 
[-98.520241,29.744905], 
 
[-98.523374,29.745242], 
 
[-98.526086,29.743416], 
 
[-98.525381,29.740786], 
 
[-98.526781,29.740445], 
 
[-98.528192,29.742228], 
 
[-98.528286,29.743659], 
 
[-98.533959,29.74679], 
 
[-98.533625,29.750505], 
 
[-98.534015,29.752353], 
 
[-98.536575,29.752843], 
 
[-98.538996,29.751903], 
 
[-98.543718,29.752052], 
 
[-98.547306,29.753615], 
 
[-98.547867,29.754391], 
 
[-98.546882,29.757301], 
 
[-98.548067,29.759997], 
 
[-98.550489,29.760713], 
 
[-98.553017,29.76019], 
 
[-98.554997,29.758633], 
 
[-98.555117,29.755255], 
 
[-98.558359,29.751975], 
 
[-98.559304,29.751482], 
 
[-98.562614,29.751476], 
 
[-98.562967,29.752153], 
 
[-98.565545,29.752659], 
 
[-98.566838,29.751922], 
 
[-98.569321,29.748274], 
 
[-98.572107,29.749715], 
 
[-98.574567,29.750419], 
 
[-98.575216,29.750001], 
 
[-98.576407,29.747107], 
 
[-98.579294,29.745478], 
 
[-98.578928,29.743597], 
 
[-98.581475,29.742782], 
 
[-98.582849,29.741137], 
 
[-98.586682,29.742451], 
 
[-98.587496,29.746418], 
 
[-98.588493,29.747595], 
 
[-98.591412,29.747215], 
 
[-98.593113,29.745679], 
 
[-98.596972,29.747362], 
 
[-98.600406,29.74998], 
 
[-98.603404,29.749522], 
 
[-98.604739,29.747255], 
 
[-98.60129,29.744874], 
 
[-98.599997,29.743031], 
 
[-98.600469,29.741265], 
 
[-98.603381,29.739933], 
 
[-98.607473,29.740455], 
 
[-98.611599,29.740063], 
 
[-98.614198,29.737591], 
 
[-98.617092,29.739098], 
 
[-98.616924,29.742916], 
 
[-98.619232,29.744142], 
 
[-98.623339,29.743933], 
 
[-98.628756,29.744146], 
 
[-98.63288,29.741936], 
 
[-98.640969,29.740228], 
 
[-98.644736,29.741184], 
 
[-98.646119,29.744587], 
 
[-98.64613,29.744736], 
 
[-98.646098,29.745071], 
 
[-98.646124,29.745181], 
 
[-98.645551,29.747977], 
 
[-98.64776,29.749809], 
 
[-98.649778,29.7535], 
 
[-98.652501,29.75354], 
 
[-98.653347,29.75135], 
 
[-98.653051,29.748831], 
 
[-98.655989,29.747775], 
 
[-98.658515,29.749207], 
 
[-98.658826,29.749239], 
 
[-98.6593,29.749211], 
 
[-98.661108,29.7493], 
 
[-98.663738,29.746275], 
 
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