public void updateview2()
{
if (Delaunay.Checked && dlay.Count > 0)
{
Delaunay.PerformClick();
}
if (Tyson.Checked && dlay.Count > 0)
{
Tyson.PerformClick();
}
}
private void pictureBox1_MouseUp(object sender, MouseEventArgs e)
{
if (MouseOnMap)
{
MouseOnMap = false;
switch (MouseCommand)
{
case MOUSECOMMAND.Select:
for (int i = 0; i < document.layers.Count; i++)
{
document.layers[i].ClearSelection();
}
if (e.X == MouseStartX && e.Y == MouseStartY)
{
for (int i = 0; i < document.layers.Count; i++)
{
GISFeature feature = document.layers[i].SelectByClick(new Point(e.X, e.Y), view);
if (feature != null)
{
feature.Selected = true;
}
}
}
else
{
GISExtent extent = view.RectToExtent(new Rectangle(
Math.Min(e.X, MouseStartX),
Math.Min(e.Y, MouseStartY),
Math.Abs(e.X - MouseStartX),
Math.Abs(e.Y - MouseStartY)));
for (int i = 0; i < document.layers.Count; i++)
{
List <GISFeature> features = document.layers[i].SelectByExtent(extent);
for (int j = 0; j < features.Count; j++)
{
features[j].Selected = true;
}
}
}
updateview();
if (layerDialog != null)
{
layerDialog.UpdateSelection();
}
break;
case MOUSECOMMAND.ZoomIn:
if (e.X == MouseStartX && e.Y == MouseStartY)
{
GISVertex MouseLocation = view.ToMapVertex(new Point(e.X, e.Y));
double ZoomInfactor = 0.8;
double newwidth = view.CurrentMapExtent.Width * ZoomInfactor;
double newheight = view.CurrentMapExtent.Height * ZoomInfactor;
double newminx = MouseLocation.x - (MouseLocation.x - view.CurrentMapExtent.MinX) * ZoomInfactor;
double newminy = MouseLocation.y - (MouseLocation.y - view.CurrentMapExtent.MinY) * ZoomInfactor;
view.CurrentMapExtent.SetValue(new GISVertex(newminx, newminy), new GISVertex(newminx + newwidth, newminy + newheight));
}
else
{
view.CurrentMapExtent = view.RectToExtent(new Rectangle(
Math.Min(e.X, MouseStartX),
Math.Min(e.Y, MouseStartY),
Math.Abs(e.X - MouseStartX),
Math.Abs(e.Y - MouseStartY)));
}
if (Delaunay.Checked || Tyson.Checked)
{
updateview2();
}
else
{
updateview();
}
break;
case MOUSECOMMAND.ZoomOut:
if (e.X == MouseStartX && e.Y == MouseStartY)
{
GISVertex MouseLocation = view.ToMapVertex(new Point(e.X, e.Y));
double ZoomOutfactor = 0.8;
double newwidth = view.CurrentMapExtent.Width / ZoomOutfactor;
double newheight = view.CurrentMapExtent.Height / ZoomOutfactor;
double newminx = MouseLocation.x - (MouseLocation.x - view.CurrentMapExtent.MinX) / ZoomOutfactor;
double newminy = MouseLocation.y - (MouseLocation.y - view.CurrentMapExtent.MinY) / ZoomOutfactor;
view.CurrentMapExtent.SetValue(new GISVertex(newminx, newminy), new GISVertex(newminx + newwidth, newminy + newheight));
}
else
{
GISExtent extent = view.RectToExtent(new Rectangle(
Math.Min(e.X, MouseStartX),
Math.Min(e.Y, MouseStartY),
Math.Abs(e.X - MouseStartX),
Math.Abs(e.Y - MouseStartY)));
double newwidth = view.CurrentMapExtent.Width * view.CurrentMapExtent.Width / extent.Width;
double newheight = view.CurrentMapExtent.Height * view.CurrentMapExtent.Height / extent.Height;
double newminx = extent.MinX - (extent.MinX - view.CurrentMapExtent.MinX) * newwidth / view.CurrentMapExtent.Width;
double newminy = extent.MinY - (extent.MinY - view.CurrentMapExtent.MinY) * newheight / view.CurrentMapExtent.Height;
view.CurrentMapExtent.SetValue(new GISVertex(newminx, newminy), new GISVertex(newminx + newwidth, newminy + newheight));
}
if (Delaunay.Checked || Tyson.Checked)
{
updateview2();
}
else
{
updateview();
}
break;
case MOUSECOMMAND.Pan:
GISVertex C1 = view.CurrentMapExtent.MapCenter;
GISVertex M1 = view.ToMapVertex(new Point(MouseStartX, MouseStartY));
GISVertex M2 = view.ToMapVertex(new Point(e.X, e.Y));
GISVertex C2 = new GISVertex(C1.x - (M2.x - M1.x), C1.y - (M2.y - M1.y));
view.CurrentMapExtent.SetMapCenter(C2);
updateview();
if (Delaunay.Checked && dlay.Count > 0)
{
Delaunay.PerformClick();
}
if (Tyson.Checked && dlay.Count > 0)
{
Tyson.PerformClick();
}
break;
case MOUSECOMMAND.Dis:
GISVertex v1 = view.ToMapVertex(new Point(MouseStartX, MouseStartY));
GISVertex v2 = view.ToMapVertex(new Point(e.X, e.Y));
double dis = Math.Sqrt((v1.x - v2.x) * (v1.x - v2.x) + (v1.y - v2.y) * (v1.y - v2.y));
MessageBox.Show(dis.ToString());
break;
}
}
}