| public ImageToWorld ( System p ) : SharpMap.Geometries.Point | ||
| p | System | Point in image coordinates |
| return | SharpMap.Geometries.Point | |
protected void imgMap_Click(object sender, ImageClickEventArgs e)
{
//Set center of the map to where the client clicked
myMap.Center = myMap.ImageToWorld(new System.Drawing.Point(e.X, e.Y));
//Set zoom value if any of the zoom tools were selected
if (rblMapTools.SelectedValue == "0") //Zoom in
{
myMap.Zoom = myMap.Zoom * 0.5;
}
else if (rblMapTools.SelectedValue == "1") //Zoom out
{
myMap.Zoom = myMap.Zoom * 2;
}
//Create the map
GenerateMap();
}
protected void imgMap_Click(object sender, ImageClickEventArgs e)
{
//Set center of the map to where the client clicked
//We set up a simple empty map so we can use the ImageToWorld() method for easy conversion from Image to World coordinates
SharpMap.Map myMap = new SharpMap.Map(new Size(Convert.ToInt32(imgMap.Width.Value), Convert.ToInt32(imgMap.Height.Value)));
myMap.Center = Center; myMap.Zoom = Zoom;
Center = myMap.ImageToWorld(new System.Drawing.Point(e.X, e.Y));
//Set zoom value if any of the zoom tools were selected
if (rblMapTools.SelectedValue == "0") //Zoom in
Zoom = Zoom * 0.5;
else if (rblMapTools.SelectedValue == "1") //Zoom out
Zoom = Zoom * 2;
//Create the map
GenerateMap();
}
public void ShowMap(Map map)
{
MapControl.Map = map;
map.ZoomToExtents();
MapControl.MouseMove += delegate(object sender, MouseEventArgs e)
{
var point = map.ImageToWorld(new PointF(e.X, e.Y));
coordinateLabel.Text = string.Format("{0}:{1}", point.X, point.Y);
};
WindowsFormsTestHelper.ShowModal(this);
map.Dispose();
}
protected void imgMap_Click(object sender, ImageClickEventArgs e)
{
//Set center of the map to where the client clicked
//We set up a simple empty map so we can use the ImageToWorld() method for easy conversion from Image to World coordinates
SharpMap.Map myMap = new SharpMap.Map(new Size(Convert.ToInt32(imgMap.Width.Value), Convert.ToInt32(imgMap.Height.Value)));
myMap.Center = Center; myMap.Zoom = Zoom;
Center = myMap.ImageToWorld(new System.Drawing.Point(e.X, e.Y));
//Set zoom value if any of the zoom tools were selected
if (rblMapTools.SelectedValue == "0") //Zoom in
{
Zoom = Zoom * 0.5;
}
else if (rblMapTools.SelectedValue == "1") //Zoom out
{
Zoom = Zoom * 2;
}
//Create the map
GenerateMap();
}
public void ImageToWorld_DefaultMap_ReturnValue()
{
Map map = new Map(new Size(500, 200));
map.Center = new Point(23, 34);
map.Zoom = 1000;
Point p = map.ImageToWorld(new PointF(242.5f, 92));
Assert.AreEqual(new Point(8, 50), p);
}
public void ImageToWorld()
{
Map map = new Map(new Size(1000, 500));
map.Zoom = 360;
map.Center = new Point(0, 0);
Assert.AreEqual(new Point(0, 0), map.ImageToWorld(new PointF(500, 250)));
Assert.AreEqual(new Point(-180, 90), map.ImageToWorld(new PointF(0, 0)));
Assert.AreEqual(new Point(-180, -90), map.ImageToWorld(new PointF(0, 500)));
Assert.AreEqual(new Point(180, 90), map.ImageToWorld(new PointF(1000, 0)));
Assert.AreEqual(new Point(180, -90), map.ImageToWorld(new PointF(1000, 500)));
}
public void Draging(Point Pos)
{
Pos = new Point(Pos.X * -1, Pos.Y * -1);
_Map.Center = _Map.ImageToWorld(new Point(_Map.Size.Width / 2 + Pos.X, _Map.Size.Height / 2 + Pos.Y));
}
private BoundingBox RectToEnvelope(RectangleF rect)
{
var p1 = new PointF(rect.Left, rect.Top);
var p2 = new PointF(rect.Right, rect.Bottom);
var topleft = _Map.ImageToWorld(p1);
var bottomright = _Map.ImageToWorld(p2);
return(new BoundingBox(topleft.X, bottomright.Y, bottomright.X, topleft.Y));
}
