{"id":959,"date":"2011-10-25T16:30:56","date_gmt":"2011-10-25T08:30:56","guid":{"rendered":"http:\/\/blog.newnaw.com\/?p=959"},"modified":"2011-10-25T16:30:56","modified_gmt":"2011-10-25T08:30:56","slug":"%e5%9c%a8arcgis-web-api%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e4%b8%ad%e4%bd%bf%e7%94%a8%e7%81%b0%e5%ba%a6%e5%9c%b0%e5%9b%be","status":"publish","type":"post","link":"https:\/\/blog.newnaw.com\/?p=959","title":{"rendered":"\u5728ArcGIS Web API\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u7070\u5ea6\u5730\u56fe"},"content":{"rendered":"

\u3000\u3000\u4e0a\u4e2a\u6708\u5e95\uff0cArcGIS Online\u53d1\u5e03\u4e86\u4e00\u6b3e\u5168\u65b0\u98ce\u683c\u7684\u5e95\u56fe\u670d\u52a1<\/a>\uff0cLight Gray Basemap<\/a>\u3002\u8be5\u5e95\u56fe\u670d\u52a1\u5c3d\u53ef\u80fd\u5c11\u5730\u4f7f\u7528\u4e86\u8272\u5f69\uff0c\u6807\u6ce8\u548c\u8981\u7d20\u5185\u5bb9\uff0c\u76ee\u7684\u662f\u7a81\u51fa\u5730\u56fe\u7684\u4e3b\u9898\u5185\u5bb9\uff0c\u628a\u91cd\u70b9\u5c55\u793a\u7ed9\u6700\u7ec8\u7528\u6237\u3002\u7f8e\u5316\u7684\u5e95\u56fe\u56fa\u7136\u597d\u770b\uff0c\u4f46\u6709\u65f6\u6211\u4eec\u4e0d\u80fd\u4e3a\u4e86\u4f7f\u7528\u5730\u56fe\u800c\u53bb\u4f7f\u7528\u5730\u56fe\uff0c\u5ffd\u7565\u4e86\u6211\u4eec\u771f\u6b63\u60f3\u8981\u8868\u8fbe\u7684\u610f\u601d\uff0c\u5f88\u591a\u65f6\u5019\uff0c\u90fd\u4f1a\u56de\u5f52\u5230\u4ee5\u7b80\u4e3a\u7f8e\u7684\u539f\u70b9\u3002\u4f7f\u7528\u8fd9\u79cd\u5e95\u56fe\u670d\u52a1\uff0c\u6211\u4eec\u53ef\u4ee5\u5f88\u8f7b\u677e\u7684\u5c06\u6ce8\u610f\u529b\u96c6\u4e2d\u5728\u4e1a\u52a1\u6570\u636e\u4e0a\u3002
\"AGOL_LE_2_basemap_types\"<\/a><\/p>\n

\u3000\u3000\u53ef\u4ee5\u770b\u5230\uff0c\u53ea\u6709\u5728\u53f3\u4e0a\u89d2\u7684Light Gray Canvas\u5e95\u56fe\u4e0a\uff0c\u56db\u4e2a\u8981\u7d20\u70b9\u624d\u6e05\u6670\u53ef\u89c1\u3002
\u3000\u3000\u5176\u5b9eGoogle Maps API\u4e2d\u5c31\u4e00\u76f4\u80fd\u591f\u8bbe\u7f6e\u663e\u793a\u98ce\u683c<\/a>\uff0c\u4ee5\u9002\u5e94\u6211\u4eec\u7684\u9700\u6c42\u3002\u867d\u7136ArcGIS Online\u5df2\u7ecf\u63a8\u51fa\u4e86\u7070\u5ea6\u5e95\u56fe\u670d\u52a1\uff0c\u4f46\u5bf9\u4e8e\u81ea\u5df1\u7684\u5e95\u56fe\u670d\u52a1\uff08\u5c24\u5176\u662f\u56fd\u5185\u6570\u636e\u7528\u6237\uff09\u6765\u8bf4\uff0c\u5982\u4f55\u80fd\u591f\u98ce\u683c\u5316\u663e\u793a\u5462\uff1f\u4ee5ArcGIS API for Silverlight\u4e3a\u4f8b\u6765\u8bf4\u660e\u3002
\u3000\u3000\u7f13\u5b58\u5730\u56fe\u670d\u52a1\u6240\u5bf9\u5e94\u7684ArcGISTiledMapServiceLayer<\/a>\u7c7b\u4e2d\uff0c\u66b4\u9732\u51fa\u4e86TileLoaded<\/a>\u4e8b\u4ef6\uff08\u7ee7\u627f\u81eaTiledLayer<\/a>\uff09\u3002\u8fd9\u4e2a\u4e8b\u4ef6\u4f1a\u5728\u6bcf\u4e00\u4e2a\u5207\u7247\u52a0\u8f7d\u5b8c\u6210\u65f6\u89e6\u53d1\uff0c\u5e76\u4e14\u4e8b\u4ef6\u53c2\u6570\u4e2d\u53ef\u4ee5\u83b7\u5f97ImageSource<\/a>\u5c5e\u6027\uff0c\u5b83\u5c31\u662f\u5207\u7247\u672c\u8eab\uff0c\u968f\u540e\u5730\u56fe\u63a7\u4ef6\u4f1a\u5bf9\u8fd9\u4e9b\u5207\u7247\u8fdb\u884c\u62fc\u63a5\uff0c\u4ece\u800c\u5f62\u6210\u5b8c\u6574\u7684\u5730\u56fe\u3002\u6211\u4eec\u7684\u5de5\u4f5c\uff0c\u5c31\u662f\u5728\u8fd9\u4e2a\u4e8b\u4ef6\u4e2d\uff0c\u5bf9\u5207\u7247\u4e0a\u7684\u6bcf\u4e2a\u50cf\u7d20\u505a\u8272\u5f69\u5904\u7406\uff0c\u4ece\u800c\u8fbe\u5230\u98ce\u683c\u5316\u5730\u56fe\u670d\u52a1\u7684\u6548\u679c\u3002\u5728Silverlight\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528WritableBitmap\u6765\u5b8c\u6210\u8fd9\u9879\u5de5\u4f5c\uff0c\u4ee3\u7801\u5982\u4e0b\uff0c\u5177\u4f53\u539f\u7406\u53ef\u81ea\u5df1\u53c2\u8be6\uff1a<\/p>\n

\n
\n
   1:<\/span> private<\/span> void<\/span> ArcGISTiledMapServiceLayer_TileLoaded(object<\/span> sender, TiledLayer.TileLoadEventArgs e)<\/pre>\n
<\/p>\n
   2:<\/span>         {<\/pre>\n
<\/p>\n
   3:<\/span>             WriteableBitmap wb = new<\/span> WriteableBitmap(e.ImageSource as<\/span> BitmapSource);<\/pre>\n
<\/p>\n
   4:<\/span>             for<\/span> (int<\/span> y = 0; y < wb.PixelHeight; y++)<\/pre>\n
<\/p>\n
   5:<\/span>             {<\/pre>\n
<\/p>\n
   6:<\/span>                 for<\/span> (int<\/span> x = 0; x < wb.PixelWidth; x++)<\/pre>\n
<\/p>\n
   7:<\/span>                 {<\/pre>\n
<\/p>\n
   8:<\/span>                     int<\/span> pixel = wb.Pixels[y * wb.PixelWidth + x];<\/pre>\n
<\/p>\n
   9:<\/span>                     byte<\/span>[] dd = BitConverter.GetBytes(pixel);<\/pre>\n
<\/p>\n
  10:<\/span>                     double<\/span> R = dd[2];<\/pre>\n
<\/p>\n
  11:<\/span>                     double<\/span> G = dd[1];<\/pre>\n
<\/p>\n
  12:<\/span>                     double<\/span> B = dd[0];<\/pre>\n
<\/p>\n
  13:<\/span>                     byte<\/span> gray = (byte<\/span>)(0.333 * R + 0.333 * G + 0.333 * B);<\/pre>\n
<\/p>\n
  14:<\/span>                     dd[0] = dd[1] = dd[2] = gray;<\/pre>\n
<\/p>\n
  15:<\/span>  <\/pre>\n
<\/p>\n
  16:<\/span>                     wb.Pixels[y * wb.PixelWidth + x] = BitConverter.ToInt32(dd, 0);<\/pre>\n
<\/p>\n
  17:<\/span>                 }<\/pre>\n
<\/p>\n
  18:<\/span>             }<\/pre>\n
<\/p>\n
  19:<\/span>             e.ImageSource = wb;<\/pre>\n
<\/p>\n
  20:<\/span>         }<\/pre>\n
<\/div>\n<\/div>\n
\u3000\u3000\u4e0b\u56fe\u662f\u52a0\u8f7dArcGIS Online\u4e0aStreetMap\u65f6\u7684\u6548\u679c\uff1a
\"image\"<\/a>\u3000\u3000\u7ec6\u5fc3\u7684\u670b\u53cb\u53ef\u80fd\u4f1a\u53d1\u73b0\uff0c\u8fd9\u4e2aSilverlight\u7a0b\u5e8f\u5e76\u6ca1\u6709\u8fd0\u884c\u5728\u6d4f\u89c8\u5668\u4e2d\u3002\u8fd9\u7684\u786e\u662f\u4e00\u4e2aOOB\u7684\u7a0b\u5e8f\uff0c\u56e0\u4e3aTileLoaded<\/a>\u4e8b\u4ef6\u8981\u6c42Silverlight\u7a0b\u5e8f\u5fc5\u987b\u83b7\u5f97\u63d0\u5347\u6743\u9650\u624d\u884c\u3002\u4f46\u662fWPF\u548cWindows Phone\u7a0b\u5e8f\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u4e0a\u8ff0\u4ee3\u7801\u3002
\u3000\u3000\u90a3\u4e48\u5728Silverlight\u5e94\u7528\u4e2d\u8fd8\u80fd\u5426\u663e\u793a\u98ce\u683c\u5316\u7684\u5730\u56fe\u670d\u52a1\u5462\uff1f\u7b54\u6848\u662f\u80af\u5b9a\u7684\u3002Map\u63a7\u4ef6\u6709\u4e00\u4e2aEffect\u5c5e\u6027<\/a>\uff08\u7ee7\u627f\u81eaUIElement\uff09\uff0c\u7cfb\u7edf\u63d0\u4f9b\u4e86 BlurEffect\uff0cDropShadowEffect\u4e24\u4e2a\u73b0\u6210\u7684\u6548\u679c\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7HLSL\uff08High Level Shading Language\uff09\u8bed\u8a00\u6765\u81ea\u5b9a\u4e49\u4e00\u4e9b\u6548\u679c\uff0c\u6bd4\u5982\u7070\u5ea6\uff0c\u901a\u8fc7PixelShader\u7c7b<\/a>\u5e94\u7528\u5230UIElement\u4e0a\uff0c\u4ece\u800c\u8fbe\u5230\u663e\u793a\u7070\u5ea6\u5730\u56fe\u7684\u76ee\u7684\uff08\u6b64\u65f6Map\u63a7\u4ef6\u4e2d\u7684\u6240\u6709\u56fe\u5c42\u90fd\u5c06\u53d8\u4e3a\u7070\u8272\uff09\u3002\u6709\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u52a8\u624b\u5b9e\u8df5\u4e00\u4e0b\uff0cWindows Presentation Foundation Pixel Shader Effects Library<\/a>\u8fd9\u4e2a\u9879\u76ee\u4e2d\u53ef\u4ee5\u627e\u5230\u5f88\u591a\u73b0\u6210\u7684\u6548\u679c\u3002
\u3000\u3000\u518d\u6765\u770b\u770bArcGIS API for Javascript\/Flex\uff0c\u4e24\u4e2aAPI\u751a\u81f3\u90fd\u6ca1\u6709\u7c7b\u4f3c\u7684TileLoaded\u4e8b\u4ef6\u53ef\u7528\u3002\u5373\u4f7f\u6709\uff0c\u5728Javascript\u4e2d\u5904\u7406\u56fe\u7247\u7684\u989c\u8272\u4e5f\u662f\u4e00\u9879\u6709\u96be\u5ea6\u7684\u5de5\u4f5c\u3002\u4e0d\u8fc7\u4e0d\u7528\u62c5\u5fc3\uff0cPortable Basemap Server<\/a>\u4ece1.0.6\u7248\u672c\u5f00\u59cb\uff0c\u63d0\u4f9b\u4e86\u98ce\u683c\u5316\u5730\u56fe\u670d\u52a1\u7684\u529f\u80fd\uff0c\u6709\u7070\u5ea6\u56fe\u548c\u53cd\u8272\u56fe\u4e24\u4e2a\u9009\u9879\uff0c\u65e0\u9700\u4efb\u4f55\u4ee3\u7801\uff0c\u5373\u53ef\u5728\u6240\u6709\u7684ArcGIS REST\u5ba2\u6237\u7aef\u7a0b\u5e8f\u4e2d\uff0c\u4f7f\u7528\u98ce\u683c\u5316\u7684\u5730\u56fe\u4e86\uff1a\uff09
\"Untitled-1\"<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
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