//如果kml中已经保存运动轨迹，可以选择已保存好的运动轨迹
private void cb_Track_SelectedIndexChanged(object sender, EventArgs e)
{
if (cb_Track.SelectedIndex == 0)
{
return;
}
this.m_sceneControl.Scene.TrackingLayer.Clear();
String trackName = this.cb_Track.SelectedItem as String;
Feature3Ds features = m_layerKML.Features;
Feature3D[] feature3Ds = features.FindFeature(trackName, Feature3DSearchOption.AllFeatures);
if (feature3Ds.Length > 0)
{
Feature3D feature3D = feature3Ds[0];
GeoPlacemark geoPlacemark = feature3D.Geometry as GeoPlacemark;
m_geoLine3D = geoPlacemark.Geometry as GeoLine3D;
if (m_geoLine3D != null && m_geoLine3D.PartCount > 0)
{
if (m_nodeAnimation != null)
{
m_nodeAnimation.SetTrack(m_geoLine3D);
m_nodeAnimation.TimePostition = 0;
}
this.btn_AddToKML.Enabled = false;
}
}
}
//指定模型，并设置其节点动画属性
private void cb_Model_SelectedIndexChanged(object sender, EventArgs e)
{
//如果之前的模型正在运动，则停止运动
if (m_nodeAnimation != null && m_nodeAnimation.IsEnabled == true)
{
m_nodeAnimation.IsEnabled = false;
}
//获取当前模型，并设置节点动画
String featureName = this.cb_Model.SelectedItem as String;
Feature3Ds features = m_layerKML.Features;
Feature3D[] feature3Ds = features.FindFeature(featureName, Feature3DSearchOption.AllFeatures);
if (feature3Ds.Length > 0)
{
Feature3D feature3D = feature3Ds[0];
GeoPlacemark geoPlacemark = feature3D.Geometry as GeoPlacemark;
m_geoModel = geoPlacemark.Geometry as GeoModel;
if (m_geoModel != null)
{
m_nodeAnimation = m_geoModel.NodeAnimation;
//位置变更事件
m_nodeAnimation.TimePositionChanged -= new TimePositionChangedEventHandler(m_nodeAnimationTimePositionChanged);
m_nodeAnimation.TimePositionChanged += new TimePositionChangedEventHandler(m_nodeAnimationTimePositionChanged);
if (m_geoLine3D != null && m_geoLine3D.PartCount > 0)
{
m_nodeAnimation.SetTrack(m_geoLine3D);
m_nodeAnimation.TimePostition = 0;
}
}
}
}
//保存节点动画
private void btn_AddToKML_Click(object sender, EventArgs e)
{
if (m_bIsSaveTrack)
{
Feature3Ds features = m_layerKML.Features;
int nCount = this.cb_Track.Items.Count - 1;
Feature3D feature3D = new Feature3D();
GeoPlacemark geoPlacemark = new GeoPlacemark();
m_style3D.LineColor = Color.Green;
m_style3D.AltitudeMode = AltitudeMode.RelativeToGround;
m_style3D.BottomAltitude = 0.5;
m_geoLine3D.Style3D = m_style3D;
geoPlacemark.Geometry = m_geoLine3D;
feature3D.Geometry = geoPlacemark;
feature3D.Description = "track" + nCount;
feature3D.Name = feature3D.Description;
features.Add(feature3D);
//刷新图层树
Layer3DsTreeNodeBase node = this.m_layersControl.Layer3DsTree.FindNode(m_layerKML);
this.m_layersControl.Layer3DsTree.RefreshNode(node);
node.Expand();
//将新保存的运动轨迹添加的轨迹列表中
if (!this.cb_Track.Items.Contains(feature3D.Name))
{
this.cb_Track.Items.Add(feature3D.Name);
this.cb_Track.SelectedItem = feature3D.Name;
}
////保存kml
//String kmlPath = m_layerKML.DataName;
//m_layerKML.Features.ToKMLFile(kmlPath);
}
this.m_sceneControl.Scene.TrackingLayer.Clear();
this.btn_AddToKML.Enabled = false;
}
//获取KML图层下的模型和运动轨迹，初始化模型列表和轨迹列表
private void InitCombox(Layer3DKML layerKML)
{
Feature3Ds features = layerKML.Features;
if (features.Count > 0)
{
for (int i = 0; i < features.Count; i++)
{
Feature3D feature = features[i] as Feature3D;
GeoPlacemark geoplacemark = feature.Geometry as GeoPlacemark;
if (geoplacemark != null)
{
Geometry3D geometry3D = geoplacemark.Geometry as Geometry3D;
if (geometry3D is GeoModel)
{
this.cb_Model.Items.Add(feature.Name);
}
else if (geometry3D is GeoLine3D)
{
this.cb_Track.Items.Add(feature.Name);
}
}
}
}
if (this.cb_Model.Items.Count > 0)
{
this.cb_Model.SelectedIndex = 0;
}
if (this.cb_Track.Items.Count > 1)
{
this.cb_Track.SelectedIndex = 1;
}
else
{
this.cb_Track.SelectedIndex = 0;
}
}
/// <summary>
/// 由地下飞到地上
/// </summary>
public void FlyUndergroud()
{
try
{
// 地下飞行时，开启地下
m_sceneControl.Scene.Underground.IsVisible = true;
m_sceneControl.Scene.CameraFOV = 60;
// 加载飞行路线所需的数据和风格
//为“北京地铁”设置风格
DatasetVector dataSet_ditie = m_workspace.Datasources[0].Datasets["BeijingSubway"] as DatasetVector;
Layer3DSettingVector settingvetor = new Layer3DSettingVector();
settingvetor.Style.AltitudeMode = AltitudeMode.RelativeToGround;
settingvetor.Style.LineWidth = 3;
settingvetor.Style.LineSymbolID = 962046;
settingvetor.Style.BottomAltitude = -24;
Layer3DDataset layer_ditie1 = m_sceneControl.Scene.Layers.Add(dataSet_ditie, settingvetor, true, "ditie");
layer_ditie1.IsSelectable = false;
// 加载 "Subway_Line8"数据集作为地铁八号线的站点
DatasetVector DataSet_ditieLine8 = m_workspace.Datasources[0].Datasets["Subway_Line8"] as DatasetVector;
Layer3DSettingVector setvetor_ditieLine8 = new Layer3DSettingVector();
setvetor_ditieLine8.Style = new GeoStyle3D();
setvetor_ditieLine8.Style.AltitudeMode = AltitudeMode.RelativeToGround;
setvetor_ditieLine8.Style.BottomAltitude = 10;
Layer3DDataset layer_ditieLine8 = m_sceneControl.Scene.Layers.Add(DataSet_ditieLine8, setvetor_ditieLine8, true, "地铁八号线");
layer_ditieLine8.UpdateData();
// 加载"BeijingSubway_Tunnel"数据集作为地铁巷道
DatasetVector DataSet_ditieL_2 = m_workspace.Datasources[0].Datasets["BeijingSubway_Tunnel"] as DatasetVector;
Layer3DSettingVector setvetor_ditieL_2 = new Layer3DSettingVector();
setvetor_ditieL_2.Style = new GeoStyle3D();
setvetor_ditieL_2.Style.AltitudeMode = AltitudeMode.RelativeToGround;
setvetor_ditieL_2.Style.BottomAltitude = -26.5;
setvetor_ditieL_2.Style.LineSymbolID = 962047;
setvetor_ditieL_2.Style.LineWidth = 10;
Layer3DDataset layer_ditieL_2 = m_sceneControl.Scene.Layers.Add(DataSet_ditieL_2, setvetor_ditieL_2, true, "地铁巷道");
layer_ditieL_2.UpdateData();
// 加载北京地铁动画模型KML文件到场景
String KMLPath = @"..\..\SampleData\Symbol3DDisplay\Model\Subway.kml";
Layer3DKML layer_kml = m_sceneControl.Scene.Layers.Add(KMLPath, Layer3DType.KML, true, "模型动画") as Layer3DKML;
Feature3D geofeature = layer_kml.Features.FindFeature(1, Feature3DSearchOption.AllFeatures);
GeoPlacemark geoplacemark = geofeature.Geometry as GeoPlacemark;
GeoModel geomodel = geoplacemark.Geometry as GeoModel;
geomodel.Animation.PlayMode = PlayMode.Once;
layer_kml.UpdateData();
//导入飞行路线文件
Boolean i = flyManager.Routes.FromFile(@"..\..\SampleData\Symbol3DDisplay\flyground.fpf");
flyManager.Routes.CurrentRouteIndex = 0;
flyManager.Play();
//当飞行结束后触发事件
m_sceneControl.Focus();
m_sceneControl.Scene.Refresh();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
