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This shows you the differences between two versions of the page.

--- source_code_serviceseditionsample_worldcoordinates_cs_091017.zip [2015/08/20 03:08]
127.0.0.1 external edit
+++ source_code_serviceseditionsample_worldcoordinates_cs_091017.zip [2015/09/08 06:09] (current)
admin
@@ Line 1: / Line 1: @@
-====== Source_Code_ServicesEditionSample_WorldCoordinates_CS_091017.zip ======
+====== Source Code ServicesEditionSample WorldCoordinates CS 091017.zip ======
-<noinclude>{{article rating}}</noinclude>
 ====DecimalDegrees.cs====
-^ Code ^
-| <source lang="csharp" line="1">using System;  \\ using System.Collections.Generic;  \\ using System.Linq;  \\ using System.Text;  \\  \\ namespace WorldCoordinates  \\ {  \\     static class DecimalDegrees  \\     {  \\         public enum Type { Longitude, Latitude };  \\  \\         <nowiki>//</nowiki>From Decimal-degrees to Degrees Decimal-minutes.  \\         public static string d_To_Dm(double d, int precision,Type type)  \\         {  \\             string result;  \\             string hemisphere = GetHemisphere(d, type);  \\             d = Math.Abs(d);  \\             double D = Math.Truncate(d);  \\             double m = Math.Round(((d - D) * 60),precision);  \\             string zeroHolder = "";  \\             if (m < 10) { zeroHolder = "0"; }  \\             result = D + "° " + zeroHolder + m + "' " + hemisphere;  \\  \\             return result;  \\         }  \\  \\        <nowiki>//</nowiki>From Decimal-degrees to Degrees Minutes Decimal-seconds.  \\        public static string d_To_DMs(double d, int precision, Type type)  \\         {  \\             string result ;  \\             string hemisphere = GetHemisphere(d, type);  \\             d = Math.Abs(d);  \\             double D = Math.Truncate(d);  \\             double M = Math.Truncate((d - D)* 60);  \\             double s = Math.Round((d - D - (M / 60)) * 3600,precision);  \\             string minuteZeroHolder = "";  \\             string secondZeroHolder = "";  \\             if (M < 10) { minuteZeroHolder = "0"; }  \\             if (s < 10) { secondZeroHolder = "0"; }  \\             result = D + "° " + minuteZeroHolder + M + "' " + secondZeroHolder + s + "// " + hemisphere;  \\  \\             return result;  \\         }  \\  \\         <nowiki>//</nowiki>From Decimal-minutes to Decimal-degrees.  \\         public static double Dm_To_d(double D, double m, int precision)  \\         {  \\             double d = Math.Abs(D) + (m / 60);  \\             if (D < 0) { d = -d; }  \\             d = Math.Round(d, precision);  \\             return d;  \\         }  \\  \\         <nowiki>//</nowiki>From Degrees Minutes Decimal-seconds to Decimal-degrees.  \\         public static double DMs_To_d(double D, double M, double s, int precision)  \\         {  \\             double d = Math.Abs(D) + (Math.Abs(M) / 60) + (s / 3600);  \\             if (D < 0) { d = -d; }  \\             d = Math.Round(d, precision);  \\             return d;  \\         }  \\  \\         <nowiki>//</nowiki>Gets the Hemisphere according to the positive (North, East) or negative value (South, West).  \\         private static string GetHemisphere(double d, Type type)  \\         {  \\             string result;  \\             if (type == Type.Longitude)  \\             {  \\                 if (d > 0) { result = "E"; }  \\                 else { result = "W"; }  \\             }  \\             else  \\             {  \\                 if (d > 0) { result = "N"; }  \\                 else { result = "S"; }  \\             }  \\             return result;  \\         }  \\     }  \\  \\  \\ }  \\ </source>   |
+<code csharp> using System;
+ using System.Collections.Generic;
+ using System.Linq;
+ using System.Text;
+ namespace WorldCoordinates
+ {
+     static class DecimalDegrees
+     {
+         public enum Type { Longitude, Latitude };
+         //From Decimal-degrees to Degrees Decimal-minutes.
+         public static string d_To_Dm(double d, int precision,Type type)
+         {
+             string result;
+             string hemisphere = GetHemisphere(d, type);
+             d = Math.Abs(d);
+             double D = Math.Truncate(d);
+             double m = Math.Round(((d - D) * 60),precision);
+             string zeroHolder = "";
+             if (m < 10) { zeroHolder = "0"; }
+             result = D + "° " + zeroHolder + m + "' " + hemisphere;
+             return result;
+         }
+        //From Decimal-degrees to Degrees Minutes Decimal-seconds.
+        public static string d_To_DMs(double d, int precision, Type type)
+         {
+             string result ;
+             string hemisphere = GetHemisphere(d, type);
+             d = Math.Abs(d);
+             double D = Math.Truncate(d);
+             double M = Math.Truncate((d - D)* 60);
+             double s = Math.Round((d - D - (M / 60)) * 3600,precision);
+             string minuteZeroHolder = "";
+             string secondZeroHolder = "";
+             if (M < 10) { minuteZeroHolder = "0"; }
+             if (s < 10) { secondZeroHolder = "0"; }
+             result = D + "° " + minuteZeroHolder + M + "' " + secondZeroHolder + s + "// " + hemisphere;
+             return result;
+         }
+         //From Decimal-minutes to Decimal-degrees.
+         public static double Dm_To_d(double D, double m, int precision)
+         {
+             double d = Math.Abs(D) + (m / 60);
+             if (D < 0) { d = -d; }
+             d = Math.Round(d, precision);
+             return d;
+         }
+         //From Degrees Minutes Decimal-seconds to Decimal-degrees.
+         public static double DMs_To_d(double D, double M, double s, int precision)
+         {
+             double d = Math.Abs(D) + (Math.Abs(M) / 60) + (s / 3600);
+             if (D < 0) { d = -d; }
+             d = Math.Round(d, precision);
+             return d;
+         }
+         //Gets the Hemisphere according to the positive (North, East) or negative value (South, West).
+         private static string GetHemisphere(double d, Type type)
+         {
+             string result;
+             if (type == Type.Longitude)
+             {
+                 if (d > 0) { result = "E"; }
+                 else { result = "W"; }
+             }
+             else
+             {
+                 if (d > 0) { result = "N"; }
+                 else { result = "S"; }
+             }
+             return result;
+         }
+     }
+ }
+ </code>
 ====Program.cs====
-^ Code ^
-| <source lang="csharp" line="1">using System;  \\ using System.Collections.Generic;  \\ using System.Linq;  \\ using System.Windows.Forms;  \\  \\ namespace WorldCoordinates  \\ {  \\     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 WorldCoordinates
+ {
+     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.Drawing;  \\ using System.Windows.Forms;  \\ using ThinkGeo.MapSuite.Core;  \\  \\ namespace WorldCoordinates  \\ {  \\     public partial class TestForm : Form  \\     {  \\         private MapEngine mapEngine = new MapEngine();  \\         private Bitmap bitmap = null;  \\         ShapeFileFeatureLayer worldLayer = null;  \\         Proj4Projection proj4Projection = new Proj4Projection();  \\  \\         public TestForm()  \\         {  \\             InitializeComponent();  \\         }  \\  \\         private void TestForm_Load(object sender, EventArgs e)  \\         {  \\             <nowiki>//</nowiki> Sets the full extent and the background color.  \\             mapEngine.CurrentExtent = ExtentHelper.GetDrawingExtent(new RectangleShape(-16410000,11825813,19539000,-5980000), Map.Width, Map.Height);  \\             mapEngine.BackgroundFillBrush = new GeoSolidBrush(GeoColor.GeographicColors.ShallowOcean);  \\  \\             <nowiki>//</nowiki>Sets the internal and external projection for the projection.  \\             <nowiki>//</nowiki>The projection will be used to go from Mercator to Geodetic at the mouse mouve event.  \\             proj4Projection.InternalProjectionParametersString = "+proj=merc +lon_0=0 +k=1 +x_0=0 +y_0=0 +ellps=WGS84 +datum=WGS84 +units=m +no_defs";<nowiki>//</nowiki>Mercator  \\             proj4Projection.ExternalProjectionParametersString = Proj4Projection.GetEpsgParametersString(4326); <nowiki>//</nowiki>Geodetic (Longitude/Latitude)  \\  \\             <nowiki>//</nowiki> Adds the static layer in the Mercator projection to the MapEngine.  \\             worldLayer = new ShapeFileFeatureLayer(@"..\..\Data\WorldMercator.shp", ShapeFileReadWriteMode.ReadOnly);  \\             worldLayer.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle = AreaStyles.County1;  \\             worldLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;  \\             mapEngine.StaticLayers.Add("WorldLayer", worldLayer);  \\  \\             DrawImage();  \\         }  \\  \\         private void Map_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 (Mercator in meters) from screen coordinates.  \\             PointShape pointShape = ExtentHelper.ToWorldCoordinate(mapEngine.CurrentExtent, new ScreenPointF(e.X, e.Y), Map.Width, Map.Height);  \\  \\             <nowiki>//</nowiki>Displays world coordinates in meters from Mercator projection (native projection of the layer).  \\             statusStrip1.Items[["toolStripStatusLabelMeters"]].Text = "(meters) X:" + Math.Round(pointShape.X,2) + " Y:" + Math.Round(pointShape.Y,2);  \\  \\             <nowiki>//</nowiki>Converts the point to Geodetic from the Mercator projection.  \\             proj4Projection.Open();  \\             Vertex geoVertex = proj4Projection.ConvertToExternalProjection(pointShape.X, pointShape.Y);  \\             proj4Projection.Close();  \\  \\             <nowiki>//</nowiki>Displays world coordinates in Decimal Degrees.  \\             statusStrip1.Items[["toolStripStatusLabelDecimalDegrees"]].Text = "Long:" + Math.Round(geoVertex.X,4)  \\                                                                           + " Lat:" + Math.Round(geoVertex.Y,4);  \\  \\             <nowiki>//</nowiki>Displays world coordiantes in Degrees Minute Decimal-seconds format.  \\             statusStrip1.Items[["toolStripStatusLabelLongLat"]].Text =  DecimalDegrees.d_To_DMs(geoVertex.X, 2, DecimalDegrees.Type.Longitude) + "  " +  \\                                                    DecimalDegrees.d_To_DMs(geoVertex.Y, 2, DecimalDegrees.Type.Latitude);  \\  \\         }  \\  \\         private void DrawImage()  \\         {  \\             if (bitmap != null) { bitmap.Dispose(); }  \\             bitmap = new Bitmap(Map.Width, Map.Height);  \\             mapEngine.OpenAllLayers();  \\             mapEngine.DrawStaticLayers(bitmap, GeographyUnit.Meter);  \\             mapEngine.CloseAllLayers();  \\  \\             Map.Image = bitmap;  \\         }  \\  \\         private void ToolBar_ButtonClick(object sender, ToolBarButtonClickEventArgs e)  \\         {  \\             switch (e.Button.Tag.ToString())  \\             {  \\                 case "Zoom In":  \\                     mapEngine.CurrentExtent.ScaleDown(50);  \\                     break;  \\                 case "Zoom Out":  \\                     mapEngine.CurrentExtent.ScaleUp(50);  \\                     break;  \\                 case "Full Extent":  \\                     mapEngine.CurrentExtent = ExtentHelper.GetDrawingExtent(new RectangleShape(-180.0, 83.0, 180.0, -90.0), Map.Width, Map.Height);  \\                     break;  \\                 case "Pan Left":  \\                     mapEngine.CurrentExtent = ExtentHelper.Pan(mapEngine.CurrentExtent, PanDirection.Left, 20);  \\                     break;  \\                 case "Pan Right":  \\                     mapEngine.CurrentExtent = ExtentHelper.Pan(mapEngine.CurrentExtent, PanDirection.Right, 20);  \\                     break;  \\                 case "Pan Up":  \\                     mapEngine.CurrentExtent = ExtentHelper.Pan(mapEngine.CurrentExtent, PanDirection.Up, 20);  \\                     break;  \\                 case "Pan Down":  \\                     mapEngine.CurrentExtent = ExtentHelper.Pan(mapEngine.CurrentExtent, PanDirection.Down, 20);  \\                     break;  \\                 default:  \\                     break;  \\             }  \\             DrawImage();  \\         }  \\  \\         private void btnClose_Click(object sender, EventArgs e)  \\         {  \\             this.Close();  \\         }  \\  \\  \\     }  \\ }  \\ </source>   |
+====TestForm.cs====
+<code csharp> using System;
+ using System.Drawing;
+ using System.Windows.Forms;
+ using ThinkGeo.MapSuite.Core;
+ namespace WorldCoordinates
+ {
+     public partial class TestForm : Form
+     {
+         private MapEngine mapEngine = new MapEngine();
+         private Bitmap bitmap = null;
+         ShapeFileFeatureLayer worldLayer = null;
+         Proj4Projection proj4Projection = new Proj4Projection();
+         public TestForm()
+         {
+             InitializeComponent();
+         }
+         private void TestForm_Load(object sender, EventArgs e)
+         {
+             // Sets the full extent and the background color.
+             mapEngine.CurrentExtent = ExtentHelper.GetDrawingExtent(new RectangleShape(-16410000,11825813,19539000,-5980000), Map.Width, Map.Height);
+             mapEngine.BackgroundFillBrush = new GeoSolidBrush(GeoColor.GeographicColors.ShallowOcean);
+             //Sets the internal and external projection for the projection.
+             //The projection will be used to go from Mercator to Geodetic at the mouse mouve event.
+             proj4Projection.InternalProjectionParametersString = "+proj=merc +lon_0=0 +k=1 +x_0=0 +y_0=0 +ellps=WGS84 +datum=WGS84 +units=m +no_defs";//Mercator
+             proj4Projection.ExternalProjectionParametersString = Proj4Projection.GetEpsgParametersString(4326); //Geodetic (Longitude/Latitude)
+             // Adds the static layer in the Mercator projection to the MapEngine.
+             worldLayer = new ShapeFileFeatureLayer(@"..\..\Data\WorldMercator.shp", ShapeFileReadWriteMode.ReadOnly);
+             worldLayer.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle = AreaStyles.County1;
+             worldLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
+             mapEngine.StaticLayers.Add("WorldLayer", worldLayer);
+             DrawImage();
+         }
+         private void Map_MouseMove(object sender, MouseEventArgs e)
+         {
+             //Displays the X and Y in screen coordinates.
+             statusStrip1.Items["toolStripStatusLabelScreen"].Text = "X:" + e.X + " Y:" + e.Y;
+             //Gets the PointShape in world coordinates (Mercator in meters) from screen coordinates.
+             PointShape pointShape = ExtentHelper.ToWorldCoordinate(mapEngine.CurrentExtent, new ScreenPointF(e.X, e.Y), Map.Width, Map.Height);
+             //Displays world coordinates in meters from Mercator projection (native projection of the layer).
+             statusStrip1.Items["toolStripStatusLabelMeters"].Text = "(meters) X:" + Math.Round(pointShape.X,2) + " Y:" + Math.Round(pointShape.Y,2);
+             //Converts the point to Geodetic from the Mercator projection.
+             proj4Projection.Open();
+             Vertex geoVertex = proj4Projection.ConvertToExternalProjection(pointShape.X, pointShape.Y);
+             proj4Projection.Close();
+             //Displays world coordinates in Decimal Degrees.
+             statusStrip1.Items["toolStripStatusLabelDecimalDegrees"].Text = "Long:" + Math.Round(geoVertex.X,4)
+                                                                           + " Lat:" + Math.Round(geoVertex.Y,4);
+             //Displays world coordiantes in Degrees Minute Decimal-seconds format.
+             statusStrip1.Items["toolStripStatusLabelLongLat"].Text =  DecimalDegrees.d_To_DMs(geoVertex.X, 2, DecimalDegrees.Type.Longitude) + "  " +
+                                                    DecimalDegrees.d_To_DMs(geoVertex.Y, 2, DecimalDegrees.Type.Latitude);
+         }
+         private void DrawImage()
+         {
+             if (bitmap != null) { bitmap.Dispose(); }
+             bitmap = new Bitmap(Map.Width, Map.Height);
+             mapEngine.OpenAllLayers();
+             mapEngine.DrawStaticLayers(bitmap, GeographyUnit.Meter);
+             mapEngine.CloseAllLayers();
+             Map.Image = bitmap;
+         }
+         private void ToolBar_ButtonClick(object sender, ToolBarButtonClickEventArgs e)
+         {
+             switch (e.Button.Tag.ToString())
+             {
+                 case "Zoom In":
+                     mapEngine.CurrentExtent.ScaleDown(50);
+                     break;
+                 case "Zoom Out":
+                     mapEngine.CurrentExtent.ScaleUp(50);
+                     break;
+                 case "Full Extent":
+                     mapEngine.CurrentExtent = ExtentHelper.GetDrawingExtent(new RectangleShape(-180.0, 83.0, 180.0, -90.0), Map.Width, Map.Height);
+                     break;
+                 case "Pan Left":
+                     mapEngine.CurrentExtent = ExtentHelper.Pan(mapEngine.CurrentExtent, PanDirection.Left, 20);
+                     break;
+                 case "Pan Right":
+                     mapEngine.CurrentExtent = ExtentHelper.Pan(mapEngine.CurrentExtent, PanDirection.Right, 20);
+                     break;
+                 case "Pan Up":
+                     mapEngine.CurrentExtent = ExtentHelper.Pan(mapEngine.CurrentExtent, PanDirection.Up, 20);
+                     break;
+                 case "Pan Down":
+                     mapEngine.CurrentExtent = ExtentHelper.Pan(mapEngine.CurrentExtent, PanDirection.Down, 20);
+                     break;
+                 default:
+                     break;
+             }
+             DrawImage();
+         }
+         private void btnClose_Click(object sender, EventArgs e)
+         {
+             this.Close();
+         }
+     }
+ }
+ </code>

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