/// <summary>
/// 视口变化
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void dwg_ViewChanged(object sender, EventArgs e)
{
Document document = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.CurrentDocument;
using (document.LockDocument(DocumentLockMode.ProtectedAutoWrite, null, null, false))
{
Editor editor = document.Editor;
//Size win_size = document.Window.GetSize();
//Point location = document.Window.GetLocation();
//editor.WriteMessage("\nwin_size:" + win_size.ToString() + "location:" + location.ToString());
if (1 == _level || 0 == _level)
{
return;
}
ViewTableRecord currentView = editor.GetCurrentView();
Point2d view_center_point = currentView.CenterPoint;
Size view_size = new Size((int)currentView.Width, (int)currentView.Height);
//editor.WriteMessage("\ncenter_point:" + view_center_point.ToString() + "view_size:" + view_size.ToString());
Point2d left_down = new Point2d(view_center_point.X - view_size.Width / 2.0, view_center_point.Y - view_size.Height / 2.0);
Point2d right_up = new Point2d(view_center_point.X + view_size.Width / 2.0, view_center_point.Y + view_size.Height / 2.0);
//Point3d center_point3d = (Point3d)Autodesk.AutoCAD.ApplicationServices.Application.GetSystemVariable("VIEWCTR");
//Point2d size_screen = (Point2d)Autodesk.AutoCAD.ApplicationServices.Application.GetSystemVariable("SCREENSIZE");
//Size size = new Size((int)size_screen.X, (int)size_screen.Y);
//Point2d center_point = new Point2d(center_point3d.X, center_point3d.Y);
//MapTiles.webMercatorBounds(center_point, _level, size, ref left_down, ref right_up);
//document.Editor.WriteMessage("\n CenterPoint:" + center_point.ToString() + "left_down:" + left_down.ToString() + "right_up:" + right_up.ToString() + "level:" + _level.ToString());
//RectangleF view_image = new RectangleF();
//bool is_contain = MapTiles.getIntersects(left_down, right_up, ref view_image);
//if (!is_contain)
//{
// return;
//}
//else
//{
// left_down = new Point2d(view_image.X, view_image.Y-view_image.Height);
// right_up = new Point2d(view_image.X+view_image.Width, view_image.Y);
// MapTiles.darwBounds(left_down,right_up,Autodesk.AutoCAD.Colors.Color.FromRgb(0,255,0),20,20);
//}
int start_row = 0, end_row = 0, start_col = 0, end_col = 0;
MapTiles.webMercatorTilesFromBound(left_down, right_up, _level, out start_row, out start_col, out end_row, out end_col);
addImage(document, MapTiles.webMercatorResolution(_level), start_row, end_row, start_col, end_col);
}
}
/// <summary>
/// 加载 首级别的影像
/// </summary>
public void add0Level()
{
Document document = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.CurrentDocument;
using (document.LockDocument(DocumentLockMode.ProtectedAutoWrite, null, null, false))
{
_level = 1;
addImage(document, MapTiles.webMercatorResolution(1), 0, 1, 0, 1);
}
//Point2d point_left_up = MapTiles.webMercatorTilesLeftUpLocation(0,0,1);
//string url = String.Format("http://t3.tianditu.cn/img_c/wmts?service=wmts&request=GetTile&version=1.0.0&LAYER=img&tileMatrixSet=c&TileMatrix={0}&TileRow={1}&TileCol={2}&style=default&format=tiles", 1, 0, 0);
addImage(document, MapTiles.webMercatorResolution(1), 0, 1, 0, 1);
//point_left_up = MapTiles.webMercatorTilesLeftUpLocation(1, 0, 1);
//string url_01 = String.Format("http://t3.tianditu.cn/img_c/wmts?service=wmts&request=GetTile&version=1.0.0&LAYER=img&tileMatrixSet=c&TileMatrix={0}&TileRow={1}&TileCol={2}&style=default&format=tiles", 1, 0, 1);
//addImage(document, url_01, point_left_up,MapTiles.webMercatorResolution(1));
ZoomExtents();
}