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Posted By

christianjunk on 02/05/11


Tagged

ArcObjects


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Zoom to point

 / Published in: C#
 

URL: http://blog.davidrenz.com/?p=109

This function will zoom to a specific point on the map control. If the addToMap switch is set, the point will be added to the map.

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  1. public static void zoomMapToPoint(ESRI.ArcGIS.ADF.Web.UI.WebControls.Map map, ESRI.ArcGIS.ADF.Web.Geometry.Point pPoint, string zoomfactor, string graphicsLayerName, bool addToMap)
  2.     {
  3.         ESRI.ArcGIS.ADF.Web.UI.WebControls.MapResourceManager mapman = (ESRI.ArcGIS.ADF.Web.UI.WebControls.MapResourceManager)map.MapResourceManagerInstance;
  4.  
  5.         // convert the point to an adf point
  6.         ESRI.ArcGIS.ADF.Web.Geometry.Point adf_point = new ESRI.ArcGIS.ADF.Web.Geometry.Point(pPoint.X, pPoint.Y);
  7.  
  8.         //// Get graphics layer from Map
  9.         ESRI.ArcGIS.ADF.Web.Display.Graphics.ElementGraphicsLayer glayer = MapSubs.GetGraphicsLayer(graphicsLayerName, mapman);
  10.         //glayer.Clear();
  11.  
  12.         // add the point
  13.         if (addToMap)
  14.         {
  15.             AddPointToMap(adf_point, glayer);
  16.         }
  17.  
  18.         double mapZoomFactor = map.Scale / double.Parse(zoomfactor);
  19.         map.Zoom(mapZoomFactor);
  20.  
  21.         map.CenterAt(pPoint);
  22.         map.Refresh();
  23.     }

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