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| 2287 | - | 1 | |
| 2 | namespace GMap.NET.MapProviders |
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| 3 | { |
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| 4 | using System; |
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| 5 | using GMap.NET.Projections; |
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| 6 | using System.Net; |
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| 7 | using System.Text; |
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| 8 | |||
| 9 | /// <summary> |
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| 10 | /// http://en.wikipedia.org/wiki/NearMap |
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| 11 | /// nearmap originally allowed personal use of images for free for non-enterprise users. |
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| 12 | /// However this free access ended in December 2012, when the company modified its business model to user-pay |
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| 13 | /// </summary> |
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| 14 | public abstract class NearMapProviderBase : GMapProvider |
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| 15 | { |
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| 16 | public NearMapProviderBase() |
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| 17 | { |
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| 18 | // credentials doesn't work ;/ |
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| 19 | //Credential = new NetworkCredential("greatmaps", "greatmaps"); |
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| 20 | |||
| 21 | //try ForceBasicHttpAuthentication(...); |
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| 22 | } |
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| 23 | |||
| 24 | #region GMapProvider Members |
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| 25 | public override Guid Id |
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| 26 | { |
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| 27 | get |
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| 28 | { |
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| 29 | throw new NotImplementedException(); |
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| 30 | } |
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| 31 | } |
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| 32 | |||
| 33 | public override string Name |
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| 34 | { |
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| 35 | get |
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| 36 | { |
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| 37 | throw new NotImplementedException(); |
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| 38 | } |
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| 39 | } |
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| 40 | |||
| 41 | public override PureProjection Projection |
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| 42 | { |
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| 43 | get |
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| 44 | { |
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| 45 | return MercatorProjection.Instance; |
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| 46 | } |
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| 47 | } |
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| 48 | |||
| 49 | GMapProvider[] overlays; |
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| 50 | public override GMapProvider[] Overlays |
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| 51 | { |
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| 52 | get |
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| 53 | { |
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| 54 | if(overlays == null) |
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| 55 | { |
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| 56 | overlays = new GMapProvider[] { this }; |
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| 57 | } |
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| 58 | return overlays; |
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| 59 | } |
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| 60 | } |
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| 61 | |||
| 62 | public override PureImage GetTileImage(GPoint pos, int zoom) |
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| 63 | { |
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| 64 | throw new NotImplementedException(); |
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| 65 | } |
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| 66 | #endregion |
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| 67 | |||
| 68 | public new static int GetServerNum(GPoint pos, int max) |
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| 69 | { |
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| 70 | // var hostNum=((opts.nodes!==0)?((tileCoords.x&2)%opts.nodes):0)+opts.nodeStart; |
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| 71 | return (int)(pos.X & 2) % max; |
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| 72 | } |
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| 73 | |||
| 74 | static readonly string SecureStr = "Vk52edzNRYKbGjF8Ur0WhmQlZs4wgipDETyL1oOMXIAvqtxJBuf7H36acCnS9P"; |
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| 75 | |||
| 76 | public string GetSafeString(GPoint pos) |
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| 77 | { |
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| 78 | #region -- source -- |
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| 79 | /* |
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| 80 | TileLayer.prototype.differenceEngine=function(s,a) |
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| 81 | { |
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| 82 | var offset=0,result="",alen=a.length,v,p; |
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| 83 | for(var i=0; i<alen; i++) |
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| 84 | { |
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| 85 | v=parseInt(a.charAt(i),10); |
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| 86 | if(!isNaN(v)) |
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| 87 | { |
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| 88 | offset+=v; |
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| 89 | p=s.charAt(offset%s.length); |
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| 90 | result+=p |
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| 91 | } |
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| 92 | } |
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| 93 | return result |
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| 94 | }; |
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| 95 | |||
| 96 | TileLayer.prototype.getSafeString=function(x,y,nmd) |
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| 97 | { |
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| 98 | var arg=x.toString()+y.toString()+((3*x)+y).toString(); |
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| 99 | if(nmd) |
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| 100 | { |
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| 101 | arg+=nmd |
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| 102 | } |
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| 103 | return this.differenceEngine(TileLayer._substring,arg) |
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| 104 | }; |
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| 105 | */ |
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| 106 | #endregion |
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| 107 | |||
| 108 | var arg = pos.X.ToString() + pos.Y.ToString() + ((3 * pos.X) + pos.Y).ToString(); |
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| 109 | |||
| 110 | string ret = "&s="; |
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| 111 | int offset = 0; |
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| 112 | for(int i = 0; i < arg.Length; i++) |
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| 113 | { |
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| 114 | offset += int.Parse(arg[i].ToString()); |
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| 115 | ret += SecureStr[offset % SecureStr.Length]; |
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| 116 | } |
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| 117 | |||
| 118 | return ret; |
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| 119 | } |
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| 120 | } |
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| 121 | |||
| 122 | /// <summary> |
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| 123 | /// NearMap provider - http://www.nearmap.com/ |
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| 124 | /// </summary> |
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| 125 | public class NearMapProvider : NearMapProviderBase |
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| 126 | { |
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| 127 | public static readonly NearMapProvider Instance; |
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| 128 | |||
| 129 | NearMapProvider() |
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| 130 | { |
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| 131 | RefererUrl = "http://www.nearmap.com/"; |
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| 132 | } |
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| 133 | |||
| 134 | static NearMapProvider() |
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| 135 | { |
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| 136 | Instance = new NearMapProvider(); |
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| 137 | } |
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| 138 | |||
| 139 | #region GMapProvider Members |
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| 140 | |||
| 141 | readonly Guid id = new Guid("E33803DF-22CB-4FFA-B8E3-15383ED9969D"); |
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| 142 | public override Guid Id |
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| 143 | { |
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| 144 | get |
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| 145 | { |
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| 146 | return id; |
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| 147 | } |
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| 148 | } |
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| 149 | |||
| 150 | readonly string name = "NearMap"; |
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| 151 | public override string Name |
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| 152 | { |
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| 153 | get |
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| 154 | { |
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| 155 | return name; |
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| 156 | } |
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| 157 | } |
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| 158 | |||
| 159 | public override PureImage GetTileImage(GPoint pos, int zoom) |
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| 160 | { |
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| 161 | string url = MakeTileImageUrl(pos, zoom, LanguageStr); |
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| 162 | |||
| 163 | return GetTileImageUsingHttp(url); |
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| 164 | } |
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| 165 | |||
| 166 | #endregion |
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| 167 | |||
| 168 | string MakeTileImageUrl(GPoint pos, int zoom, string language) |
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| 169 | { |
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| 170 | // http://web1.nearmap.com/maps/hl=en&x=18681&y=10415&z=15&nml=Map_&nmg=1&s=kY8lZssipLIJ7c5 |
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| 171 | // http://web1.nearmap.com/kh/v=nm&hl=en&x=20&y=8&z=5&nml=Map_&s=55KUZ |
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| 172 | |||
| 173 | //http://maps.au.nearmap.com/api/0/authentication/checkticket?nmf=json&return200=true&callback=jQuery110206126813754172529_1431499242400&_=1431499242401 |
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| 174 | //jQuery110206126813754172529_1431499242400({"IncidentId":null,"AccountContext":{"AccountId":"account2574457","Username":"demo"},"Result":{"Ticket":{"Ticket":"1637726D061CB8B8A28BC98064443C96FB07008C16531B2F5100F98B9EBFE69C4083C88C920D3BF4C0768A27ADE9ECADF324A380DBF80C3C0982DC83374FE8EBF0F70868735351FC7","Expires":"\/Date(1432103400000)\/","CookieName":"nearmap_web3_app"},"Status":"Ok","Username":"demo","AccountId":"account2574457"}}) |
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| 175 | |||
| 176 | // http://web1.au.nearmap.com/maps/hl=en&x=1855837&y=1265913&z=21&nml=V&httpauth=false&version=2 |
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| 177 | // http://web2.au.nearmap.com/maps/hl=en&x=231977&y=158238&z=18&nml=Dem&httpauth=false&version=2 |
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| 178 | |||
| 179 | return string.Format(UrlFormat, GetServerNum(pos, 3), pos.X, pos.Y, zoom, GetSafeString(pos)); |
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| 180 | } |
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| 181 | |||
| 182 | static readonly string UrlFormat = "http://web{0}.nearmap.com/kh/v=nm&hl=en&x={1}&y={2}&z={3}&nml=Map_{4}"; |
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| 183 | } |
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| 184 | } |