private void buttonCancel_Click(object sender, EventArgs e)
{
mLayer.RemoveAllFeature();
mLayer.AddFeatures(mFeaturesOld);
mGlobeControl.Refresh();
this.Close();
}
/// <summary>
/// 文字图层
/// </summary>
/// <param name="text">显示的文字</param>
private void TextTitle(string text)
{
if (layerScreenText != null)
{
//清除其中所有要素
layerScreenText.RemoveAllFeature();
GSOGeoScreenText overlayTextTitle = new GSOGeoScreenText(); //创建屏幕文字
GSOTextStyle textStyle = new GSOTextStyle(); //设置属性
textStyle.ForeColor = Color.White;
textStyle.FontSize = 36;
overlayTextTitle.TextStyle = textStyle;
overlayTextTitle.Align = EnumAlign.TopLeft; //设置文字对齐方式
overlayTextTitle.PosAlign = EnumAlign.BottomRight; //设置文字位置
overlayTextTitle.Name = "ScreenTextTitle";
overlayTextTitle.SetOffset(180, 60); //设置文字偏移量
overlayTextTitle.Text = text; //设置文字
GSOFeature feature_ScreenTextTitle = new GSOFeature(); //创建要素
feature_ScreenTextTitle.Geometry = overlayTextTitle; //赋予要素
layerScreenText.AddFeature(feature_ScreenTextTitle);
layerScreenText.Save();
}
}
private void button2_Click(object sender, EventArgs e)
{
double dMinLon = 0, dMaxLon = 0, dMinLat = 0, dMaxLat = 0;
string strLayerPath = saveFileDialog1.FileName;
string path = Application.StartupPath + "\\Resource\\image\\DefaultIcon.png";
if (string.IsNullOrEmpty(saveFileDialog1.FileName))
{
MessageBox.Show("请选择存储目录");
return;
}
globeControl1.Globe.MemoryLayer.SaveAs(strLayerPath);
layerTemp = globeControl1.Globe.Layers.Add(strLayerPath);
layerTemp.RemoveAllFeature();
GSOGeoPolyline3D polyLine = new GSOGeoPolyline3D();
GSOPoint3ds pois = new GSOPoint3ds();
for (int i = 0; i < listView1.Items.Count; i++)
{
ListViewItem item = listView1.Items[i];
double lon, lat;
if (!double.TryParse(item.SubItems[3].Text.ToString() == "" ? "0" : item.SubItems[3].Text.ToString(), out lon))
{
MessageBox.Show("经度参数不合法");
return;
}
if (!double.TryParse(item.SubItems[4].Text.ToString() == "" ? "0" : item.SubItems[4].Text.ToString(), out lat))
{
MessageBox.Show("纬度参数不合法");
return;
}
if (i == 0)
{
dMaxLon = lon;
dMinLon = lon;
dMinLat = lat;
dMaxLat = lat;
}
GSOPoint3d node = new GSOPoint3d(lon, lat, 0);
pois.Add(node);
string strDescriptionPrefix = "<![CDATA[<!-- <BALLOON><CONTENT_CX>800</CONTENT_CX><CONTENT_CY>600</CONTENT_CY>"
+ "<CONTENT_TYPE>link</CONTENT_TYPE><SHOW_MODE>balloonex</SHOW_MODE>-->";
string strDescription = strDescriptionPrefix + "file:\\\\" + Application.StartupPath + "\\Resource\\Page\\pic_route.html";
strDescription += "?URL=" + item.SubItems[5].Text.ToString();
//strDescription += "]]>";
AddMarker(item.SubItems[1].Text.ToString(), lon, lat, path, strDescription, layerTemp);
if (lon < dMinLon)
{
dMinLon = lon;
}
else if (lon > dMaxLon)
{
dMaxLon = lon;
}
if (lat < dMinLat)
{
dMinLat = lat;
}
else if (lat > dMaxLat)
{
dMaxLat = lat;
}
}
if (layerTemp == null)
{
MessageBox.Show("没有生成轨迹的数据");
return;
}
polyLine.AddPart(pois);
GSOFeature feature = new GSOFeature();
feature.Geometry = polyLine;
layerTemp.AddFeature(feature);//添加线
layerTemp.SaveAs(strLayerPath);
globeControl1.Globe.FlyToFeature(feature);
}
private GSOFeatures getFeatureByPolygon(GSOLayer layer,GSOFeatures features, GSOPoint3d point, double allowValue)
{
if (layer == null || point == null || allowValue <= 0)
{
return null;
}
GSOGeoPolyline3D bufferLine = new GSOGeoPolyline3D();
GSOPoint3ds points = new GSOPoint3ds();
points.Add(point);
GSOPoint3d newPoint = new GSOPoint3d();
newPoint.X = point.X + 0.00001;
newPoint.Y = point.Y;
newPoint.Z = point.Z;
points.Add(newPoint);
bufferLine.AddPart(points);
GSOGeoPolygon3D polygon = bufferLine.CreateBuffer(allowValue, true, 12, false, false);
layer.RemoveAllFeature();
layer.AddFeatures(features);
GSOFeatures featuresInPolygon = layer.FindFeaturesInPolygon(polygon, false);
return featuresInPolygon;
}