private void TestForm_Load(object sender, EventArgs e)
{
//Sets timers properties.
timer.Interval = 800;
timer.Tick += new EventHandler(timer_Tick);
winformsMap1.MapUnit = GeographyUnit.DecimalDegree;
winformsMap1.CurrentExtent = new RectangleShape(-97.7591, 30.3126, -97.7317, 30.2964);
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);
//InMemoryFeatureLayer for vehicle.
InMemoryFeatureLayer carLayer = new InMemoryFeatureLayer();
carLayer.ZoomLevelSet.ZoomLevel01.DefaultPointStyle.PointType = PointType.Bitmap;
carLayer.ZoomLevelSet.ZoomLevel01.DefaultPointStyle.Image = new GeoImage(@"..\..\data\sedan.png");
carLayer.ZoomLevelSet.ZoomLevel01.DefaultPointStyle.RotationAngle = 45;
carLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
carLayer.InternalFeatures.Add("Car", new Feature(new PointShape()));
LayerOverlay vehicleOverlay = new LayerOverlay();
vehicleOverlay.Layers.Add("CarLayer", carLayer);
winformsMap1.Overlays.Add("VehicleOverlay", vehicleOverlay);
//InMemoryFeatureLayer for Tolerance RectangleShape. (Displayed for the purpose of the project. It does not need to be displayed for a real world application)
InMemoryFeatureLayer toleranceLayer = new InMemoryFeatureLayer();
toleranceLayer.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle = AreaStyles.CreateSimpleAreaStyle(GeoColor.StandardColors.Transparent, GeoColor.StandardColors.Green, 2);
toleranceLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
//Uses a Rectangle 60% smaller than the current extent of the map for the tolerance.
RectangleShape toleranceRectangleShape = new RectangleShape(winformsMap1.CurrentExtent.UpperLeftPoint, winformsMap1.CurrentExtent.LowerRightPoint);
toleranceRectangleShape.ScaleDown(60);
toleranceLayer.InternalFeatures.Add("Tolerance", new Feature(toleranceRectangleShape));
LayerOverlay toleranceOverlay = new LayerOverlay();
toleranceOverlay.Layers.Add("ToleranceLayer", toleranceLayer);
winformsMap1.Overlays.Add("ToleranceOverlay", toleranceOverlay);
winformsMap1.Refresh();
timer.Start();
}
protected override void DrawSampleCore(GeoCanvas canvas, DrawingRectangleF drawingExtent)
{
base.DrawSampleCore(canvas, drawingExtent);
PointShape upperLeftPoint = ExtentHelper.ToWorldCoordinate(canvas.CurrentWorldExtent, drawingExtent.CenterX - drawingExtent.Width / 2, drawingExtent.CenterY - drawingExtent.Height / 2, canvas.Width, canvas.Height);
PointShape lowerRightPoint = ExtentHelper.ToWorldCoordinate(canvas.CurrentWorldExtent, drawingExtent.CenterX + drawingExtent.Width / 2, drawingExtent.CenterY + drawingExtent.Height / 2, canvas.Width, canvas.Height);
RectangleShape rectangle = new RectangleShape(upperLeftPoint, lowerRightPoint);
rectangle.ScaleDown(10);
// Here draw the points on Legend Image
Random random = new Random(DateTime.Now.Millisecond);
Collection<BaseShape> drawingPoints = new Collection<BaseShape>();
for (int i = 0; i < DrawingPointsNumber; i++)
{
double x = rectangle.LowerLeftPoint.X + random.NextDouble() * (rectangle.Width);
double y = rectangle.LowerLeftPoint.Y + random.NextDouble() * (rectangle.Height);
drawingPoints.Add(new PointShape(x, y));
}
TextStyle textStyle = new TextStyle(DrawingPointsNumber.ToString(), new GeoFont("Arial", 20, DrawingFontStyles.Bold), new GeoSolidBrush(GeoColor.FromArgb(180, GeoColor.FromHtml("#d3d3d3"))));
textStyle.DrawSample(canvas, drawingExtent);
CustomPointStyle.Draw(drawingPoints, canvas, new Collection<SimpleCandidate>(), new Collection<SimpleCandidate>());
}
protected override void DrawCore(GeoCanvas canvas, Collection <SimpleCandidate> labelsInAllLayers)
{
GeoImage miniImage = new GeoImage(width, height);
RectangleShape scaledWorldExtent = MapEngine.GetDrawingExtent(canvas.CurrentWorldExtent, width, height);
scaledWorldExtent.ScaleUp(300);
GdiPlusGeoCanvas minCanvas = new GdiPlusGeoCanvas();
minCanvas.BeginDrawing(miniImage, scaledWorldExtent, canvas.MapUnit);
foreach (Layer layer in layers)
{
layer.Draw(minCanvas, labelsInAllLayers);
}
minCanvas.DrawArea(RectangleShape.ScaleDown(minCanvas.CurrentWorldExtent, 1), new GeoPen(GeoColor.StandardColors.Gray, 2), DrawingLevel.LevelOne);
minCanvas.DrawArea(canvas.CurrentWorldExtent, new GeoPen(GeoColor.StandardColors.Black, 2), DrawingLevel.LevelOne);
minCanvas.EndDrawing();
ScreenPointF drawingLocation = GetDrawingLocation(canvas, width, height);
canvas.DrawScreenImageWithoutScaling(miniImage, (drawingLocation.X + width / 2) + 10, (drawingLocation.Y + height / 2) - 10, DrawingLevel.LevelOne, 0, 0, 0);
}
protected override void DrawSampleCore(GeoCanvas canvas, DrawingRectangleF drawingExtent)
{
base.DrawSampleCore(canvas, drawingExtent);
PointShape upperLeftPoint = ExtentHelper.ToWorldCoordinate(canvas.CurrentWorldExtent, drawingExtent.CenterX - drawingExtent.Width / 2, drawingExtent.CenterY - drawingExtent.Height / 2, canvas.Width, canvas.Height);
PointShape lowerRightPoint = ExtentHelper.ToWorldCoordinate(canvas.CurrentWorldExtent, drawingExtent.CenterX + drawingExtent.Width / 2, drawingExtent.CenterY + drawingExtent.Height / 2, canvas.Width, canvas.Height);
RectangleShape rectangle = new RectangleShape(upperLeftPoint, lowerRightPoint);
rectangle.ScaleDown(10);
// Here draw the points on Legend Image
Random random = new Random(DateTime.Now.Millisecond);
Collection <BaseShape> drawingPoints = new Collection <BaseShape>();
for (int i = 0; i < DrawingPointsNumber; i++)
{
double x = rectangle.LowerLeftPoint.X + random.NextDouble() * (rectangle.Width);
double y = rectangle.LowerLeftPoint.Y + random.NextDouble() * (rectangle.Height);
drawingPoints.Add(new PointShape(x, y));
}
TextStyle textStyle = new TextStyle(DrawingPointsNumber.ToString(), new GeoFont("Arial", 20, DrawingFontStyles.Bold), new GeoSolidBrush(GeoColor.FromArgb(180, GeoColor.FromHtml("#d3d3d3"))));
textStyle.DrawSample(canvas, drawingExtent);
CustomPointStyle.Draw(drawingPoints, canvas, new Collection <SimpleCandidate>(), new Collection <SimpleCandidate>());
}
void timer_Tick(object sender, EventArgs e)
{
//Gets the GPS info from the textfile.
DataTable carData = GetCarData();
double angle;
LayerOverlay vehicleOverlay = (LayerOverlay)winformsMap1.Overlays["VehicleOverlay"];
InMemoryFeatureLayer carLayer = vehicleOverlay.Layers["CarLayer"] as InMemoryFeatureLayer;
PointShape pointShape = carLayer.InternalFeatures[0].GetShape() as PointShape;
// Get the Row of Data we are working with.
DataRow carDataRow = carData.Rows[0];
double Lat = Convert.ToDouble(carDataRow["LAT"]);
double Long = Convert.ToDouble(carDataRow["LONG"]);
if (previousLong == 0)
{
previousLong = Long;
previousLat = Lat;
}
double Xdiff = previousLong - Long;
double Ydiff = previousLat - Lat;
//Gets the angle based on the current GPS position and the previous one to get the direction of the vehicle.
angle = GetAngleFromTwoVertices(new Vertex(previousLong, previousLat), new Vertex(Long, Lat));
carLayer.ZoomLevelSet.ZoomLevel01.DefaultPointStyle.RotationAngle = 90 - (float)angle;
pointShape.X = Long;
pointShape.Y = Lat;
pointShape.Id = "Car";
carLayer.Open();
carLayer.EditTools.BeginTransaction();
carLayer.EditTools.Update(pointShape);
carLayer.EditTools.CommitTransaction();
carLayer.Close();
previousLong = Long;
previousLat = Lat;
//Function to center the map to a point (the moving moving vehicle feature)if it goes outside the tolerance.
RectangleShape toleranceRectangleShape = new RectangleShape(winformsMap1.CurrentExtent.UpperLeftPoint, winformsMap1.CurrentExtent.LowerRightPoint);
toleranceRectangleShape.ScaleDown(60);
if (toleranceRectangleShape.Contains(new PointShape(Long, Lat)) == false)
{
winformsMap1.CenterAt(new PointShape(Long, Lat));
//Resets the RectangleShape of the tolerance layer (for displaying only)
LayerOverlay toleranceOverlay = (LayerOverlay)winformsMap1.Overlays["ToleranceOverlay"];
InMemoryFeatureLayer toleranceLayer = toleranceOverlay.Layers["ToleranceLayer"] as InMemoryFeatureLayer;
RectangleShape newToleranceRectangleShape = new RectangleShape(winformsMap1.CurrentExtent.UpperLeftPoint, winformsMap1.CurrentExtent.LowerRightPoint);
newToleranceRectangleShape.ScaleDown(60);
newToleranceRectangleShape.Id = "Tolerance";
toleranceLayer.Open();
toleranceLayer.EditTools.BeginTransaction();
toleranceLayer.EditTools.Update(newToleranceRectangleShape);
toleranceLayer.EditTools.CommitTransaction();
toleranceLayer.Close();
winformsMap1.Refresh();
}
else
{
winformsMap1.Refresh(vehicleOverlay);
}
}