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--- source_code_desktopeditionsample_zoomintopoint_cs_091106.zip [2015/08/20 03:08]
127.0.0.1 external edit
+++ source_code_desktopeditionsample_zoomintopoint_cs_091106.zip [2015/09/09 03:32] (current)
admin
@@ Line 1: / Line 1: @@
-====== Source_Code_DesktopEditionSample_ZoomInToPoint_CS_091106.zip ======
+====== Source Code DesktopEditionSample ZoomInToPoint CS 091106.zip ======
-<noinclude>{{article rating}}</noinclude>
 ====Program.cs====
-^ Code ^
-| <source lang="csharp" line="1">using System;  \\ using System.Collections.Generic;  \\ using System.Linq;  \\ using System.Windows.Forms;  \\  \\ namespace ZoomInToPoint  \\ {  \\     static class Program  \\     {  \\         <nowiki>//</nowiki>/ <summary>  \\         <nowiki>//</nowiki>/ The main entry point for the application.  \\         <nowiki>//</nowiki>/ </summary>  \\         [[STAThread]]  \\         static void Main()  \\         {  \\             Application.EnableVisualStyles();  \\             Application.SetCompatibleTextRenderingDefault(false);  \\             Application.Run(new TestForm());  \\         }  \\     }  \\ }  \\ </source>   |
+<code csharp>
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows.Forms;
+namespace ZoomInToPoint
+{
+    static class Program
+    {
+        /// <summary>
+        /// The main entry point for the application.
+        /// </summary>
+        [STAThread]
+        static void Main()
+        {
+            Application.EnableVisualStyles();
+            Application.SetCompatibleTextRenderingDefault(false);
+            Application.Run(new TestForm());
+        }
+    }
+}
+</code>
 ====TestForm.cs====
-^ Code ^
-| <source lang="csharp" line="1">using System;  \\ using System.Windows.Forms;  \\ using ThinkGeo.MapSuite.Core;  \\  \\ namespace  ZoomInToPoint  \\ {  \\     public partial class TestForm : Form  \\     {  \\         public TestForm()  \\         {  \\             InitializeComponent();  \\         }  \\  \\         private void TestForm_Load(object sender, EventArgs e)  \\         {  \\             winformsMap1.MapUnit = GeographyUnit.DecimalDegree;  \\             winformsMap1.CurrentExtent = new RectangleShape(-125, 47, -67, 25);  \\             winformsMap1.BackgroundOverlay.BackgroundBrush = new GeoSolidBrush(GeoColor.FromArgb(255, 198, 255, 255));  \\  \\             <nowiki>//</nowiki>Displays the World Map Kit as a background.  \\             ThinkGeo.MapSuite.DesktopEdition.WorldMapKitWmsDesktopOverlay worldMapKitDesktopOverlay = new ThinkGeo.MapSuite.DesktopEdition.WorldMapKitWmsDesktopOverlay();  \\             winformsMap1.Overlays.Add(worldMapKitDesktopOverlay);  \\  \\             <nowiki>//</nowiki>Adds the ZoomInToPointInteractiveOverlay to the InteractiveOverlays collection of the map.  \\             winformsMap1.InteractiveOverlays.Clear();  \\  \\             ZoomInToPointInteractiveOverlay zoomInToPointInteractiveOverlay = new ZoomInToPointInteractiveOverlay();  \\             winformsMap1.InteractiveOverlays.Add(zoomInToPointInteractiveOverlay);  \\  \\  \\  \\             winformsMap1.Refresh();  \\         }  \\  \\  \\         private void winformsMap1_MouseMove(object sender, MouseEventArgs e)  \\         {  \\             <nowiki>//</nowiki>Displays the X and Y in screen coordinates.  \\             statusStrip1.Items[["toolStripStatusLabelScreen"]].Text = "X:" + e.X + " Y:" + e.Y;  \\  \\             <nowiki>//</nowiki>Gets the PointShape in world coordinates from screen coordinates.  \\             PointShape pointShape = ExtentHelper.ToWorldCoordinate(winformsMap1.CurrentExtent, new ScreenPointF(e.X, e.Y), winformsMap1.Width, winformsMap1.Height);  \\  \\             <nowiki>//</nowiki>Displays world coordinates.  \\             statusStrip1.Items[["toolStripStatusLabelWorld"]].Text = "(world) X:" + Math.Round(pointShape.X, 4) + " Y:" + Math.Round(pointShape.Y, 4);  \\         }  \\  \\         private void btnClose_Click(object sender, EventArgs e)  \\         {  \\             this.Close();  \\         }  \\  \\     }  \\ }  \\ </source>   |
+<code csharp>
+using System;
+using System.Windows.Forms;
+using ThinkGeo.MapSuite.Core;
+namespace  ZoomInToPoint
+{
+    public partial class TestForm : Form
+    {
+        public TestForm()
+        {
+            InitializeComponent();
+        }
+        private void TestForm_Load(object sender, EventArgs e)
+        {
+            winformsMap1.MapUnit = GeographyUnit.DecimalDegree;
+            winformsMap1.CurrentExtent = new RectangleShape(-125, 47, -67, 25);
+            winformsMap1.BackgroundOverlay.BackgroundBrush = new GeoSolidBrush(GeoColor.FromArgb(255, 198, 255, 255));
+            //Displays the World Map Kit as a background.
+            ThinkGeo.MapSuite.DesktopEdition.WorldMapKitWmsDesktopOverlay worldMapKitDesktopOverlay = new ThinkGeo.MapSuite.DesktopEdition.WorldMapKitWmsDesktopOverlay();
+            winformsMap1.Overlays.Add(worldMapKitDesktopOverlay);
+            //Adds the ZoomInToPointInteractiveOverlay to the InteractiveOverlays collection of the map.
+            winformsMap1.InteractiveOverlays.Clear();
+            ZoomInToPointInteractiveOverlay zoomInToPointInteractiveOverlay = new ZoomInToPointInteractiveOverlay();
+            winformsMap1.InteractiveOverlays.Add(zoomInToPointInteractiveOverlay);
+            winformsMap1.Refresh();
+        }
-====ZoomInToPointInteractiveOverlay.cs====
+        private void winformsMap1_MouseMove(object sender, MouseEventArgs e)
-^ Code ^
+        {
-| <source lang="csharp" line="1">using ThinkGeo.MapSuite.Core;  \\ using ThinkGeo.MapSuite.DesktopEdition;  \\  \\ namespace ZoomInToPoint  \\ {  \\     class ZoomInToPointInteractiveOverlay: InteractiveOverlay  \\     {  \\         <nowiki>//</nowiki>We override the MouseClickCore method to have the map centered and zoomed in to the location  \\         <nowiki>//</nowiki>where the user click.  \\         private InMemoryFeatureLayer iM = null;  \\  \\         protected override InteractiveResult MouseDownCore(InteractionArguments interactionArguments)  \\         {  \\             return base.MouseDownCore(interactionArguments);  \\         }  \\  \\         protected override InteractiveResult MouseMoveCore(InteractionArguments interactionArguments)  \\         {  \\             <nowiki>//</nowiki>return base.MouseMoveCore(interactionArguments);  \\  \\             InteractiveResult interactiveResult = new InteractiveResult();  \\             interactiveResult.DrawThisOverlay = InteractiveOverlayDrawType.Draw;  \\             interactiveResult.ProcessOtherOverlays = ProcessOtherOverlaysMode.DoNotProcessOtherOverlays;  \\             return interactiveResult;  \\         }  \\  \\         <nowiki>//</nowiki>We override the MouseClickCore method to have the map centered and zoomed in to the location  \\         <nowiki>//</nowiki>where the user click.  \\         protected override InteractiveResult MouseClickCore(InteractionArguments interactionArguments)  \\         {  \\            InteractiveResult interactiveResult = new InteractiveResult();  \\            <nowiki>//</nowiki>Calculates the offset in X and Y to center the map.  \\             PointShape centerPointShape = interactionArguments.CurrentExtent.GetCenterPoint();  \\             PointShape newPointShape = new PointShape(interactionArguments.WorldX, interactionArguments.WorldY);  \\             double XOffset = newPointShape.X - centerPointShape.X;  \\             double YOffset = newPointShape.Y - centerPointShape.Y;  \\  \\             RectangleShape newExtent = (RectangleShape)interactionArguments.CurrentExtent.CloneDeep();  \\             newExtent.TranslateByOffset(XOffset, YOffset);  \\  \\             <nowiki>//</nowiki>Scales down the offset rectangle to have it set as the new extent of the map for zooming in.  \\             RectangleShape scaledDownRectangleShape = RectangleShape.ScaleDown(newExtent, 85).GetBoundingBox();  \\  \\             interactiveResult.NewCurrentExtent = scaledDownRectangleShape;  \\             interactiveResult.ProcessOtherOverlays = ProcessOtherOverlaysMode.DoNotProcessOtherOverlays;  \\             interactiveResult.DrawThisOverlay = InteractiveOverlayDrawType.Draw;  \\  \\             return interactiveResult;  \\         }  \\  \\         protected override void DrawCore(GeoCanvas canvas)  \\         {  \\             <nowiki>//</nowiki>base.DrawCore(canvas);  \\            <nowiki>//</nowiki>iM.Draw(GeoCanvas, new System.Collections.ObjectModel.Collection<SimpleCandidate>  \\         }  \\     }  \\ }</source>   |
+            //Displays the X and Y in screen coordinates.
+            statusStrip1.Items["toolStripStatusLabelScreen"].Text = "X:" + e.X + " Y:" + e.Y;
+            //Gets the PointShape in world coordinates from screen coordinates.
+            PointShape pointShape = ExtentHelper.ToWorldCoordinate(winformsMap1.CurrentExtent, new ScreenPointF(e.X, e.Y), winformsMap1.Width, winformsMap1.Height);
+            //Displays world coordinates.
+            statusStrip1.Items["toolStripStatusLabelWorld"].Text = "(world) X:" + Math.Round(pointShape.X, 4) + " Y:" + Math.Round(pointShape.Y, 4);
+        }
+        private void btnClose_Click(object sender, EventArgs e)
+        {
+            this.Close();
+        }
+    }
+}
+</code>
+====ZoomInToPointInteractiveOverlay.cs====
+<code csharp>
+using ThinkGeo.MapSuite.Core;
+using ThinkGeo.MapSuite.DesktopEdition;
+namespace ZoomInToPoint
+{
+    class ZoomInToPointInteractiveOverlay: InteractiveOverlay
+    {
+        //We override the MouseClickCore method to have the map centered and zoomed in to the location
+        //where the user click.
+        private InMemoryFeatureLayer iM = null;
+        protected override InteractiveResult MouseDownCore(InteractionArguments interactionArguments)
+        {
+            return base.MouseDownCore(interactionArguments);
+        }
+        protected override InteractiveResult MouseMoveCore(InteractionArguments interactionArguments)
+        {
+            //return base.MouseMoveCore(interactionArguments);
+            InteractiveResult interactiveResult = new InteractiveResult();
+            interactiveResult.DrawThisOverlay = InteractiveOverlayDrawType.Draw;
+            interactiveResult.ProcessOtherOverlays = ProcessOtherOverlaysMode.DoNotProcessOtherOverlays;
+            return interactiveResult;
+        }
+        //We override the MouseClickCore method to have the map centered and zoomed in to the location
+        //where the user click.
+        protected override InteractiveResult MouseClickCore(InteractionArguments interactionArguments)
+        {
+           InteractiveResult interactiveResult = new InteractiveResult();
+           //Calculates the offset in X and Y to center the map.
+            PointShape centerPointShape = interactionArguments.CurrentExtent.GetCenterPoint();
+            PointShape newPointShape = new PointShape(interactionArguments.WorldX, interactionArguments.WorldY);
+            double XOffset = newPointShape.X - centerPointShape.X;
+            double YOffset = newPointShape.Y - centerPointShape.Y;
+            RectangleShape newExtent = (RectangleShape)interactionArguments.CurrentExtent.CloneDeep();
+            newExtent.TranslateByOffset(XOffset, YOffset);
+            //Scales down the offset rectangle to have it set as the new extent of the map for zooming in.
+            RectangleShape scaledDownRectangleShape = RectangleShape.ScaleDown(newExtent, 85).GetBoundingBox();
+            interactiveResult.NewCurrentExtent = scaledDownRectangleShape;
+            interactiveResult.ProcessOtherOverlays = ProcessOtherOverlaysMode.DoNotProcessOtherOverlays;
+            interactiveResult.DrawThisOverlay = InteractiveOverlayDrawType.Draw;
+            return interactiveResult;
+        }
+        protected override void DrawCore(GeoCanvas canvas)
+        {
+            //base.DrawCore(canvas);
+           //iM.Draw(GeoCanvas, new System.Collections.ObjectModel.Collection<SimpleCandidate>
+        }
+    }
+}</code>

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