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Rev | Author | Line No. | Line |
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2498 | - | 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 | } |