private void LoadDynamicObjectAndLineFromFile()
{
ICameraTour tour = null;
string tourPath = (strMediaPath + @"\xml\CameraTour_2.xml");
if (File.Exists(tourPath))
{
StreamReader sr = new StreamReader(tourPath);
string xmlstring = sr.ReadToEnd();
sr.Close();
tour = this.axRenderControl1.ObjectManager.CreateCameraTour(rootId);
tour.FromXml(xmlstring);
}
if (tour == null)
{
MessageBox.Show("xml文件读取失败");
}
dynamicObject.CrsWKT = tour.CrsWKT;
point.SpatialCRS = new CRSFactory().CreateFromWKT(tour.CrsWKT) as ISpatialCRS;
line.SpatialCRS = new CRSFactory().CreateFromWKT(tour.CrsWKT) as ISpatialCRS;
for (int i = 0; i < tour.WaypointsNumber; i++)
{
double duration;
gviCameraTourMode mode;
tour.GetWaypoint(i, out position, out angle, out duration, out mode);
dynamicObject.AddWaypoint(position, 10);
point.Position = position;
if (line.PointCount == 0)
{
line.StartPoint = point;
}
else
{
line.AddPointAfter(i - 1, point);
}
}
ICurveSymbol cur = new CurveSymbol();
cur.Color = System.Drawing.Color.Yellow;
cur.Width = -2;
rline = this.axRenderControl1.ObjectManager.CreateRenderPolyline(line, cur, rootId);
}
void init()
{
// 初始化RenderControl控件
IPropertySet ps = new PropertySet();
ps.SetProperty("RenderSystem", gviRenderSystem.gviRenderOpenGL);
this.axRenderControl1.Initialize(true, ps);
this.axRenderControl1.Camera.FlyTime = 1;
rootId = this.axRenderControl1.ObjectManager.GetProjectTree().RootID;
// 注册出图事件
this.axRenderControl1.RcPictureExportBegin += new _IRenderControlEvents_RcPictureExportBeginEventHandler(axRenderControl1_RcPictureExportBegin);
this.axRenderControl1.RcPictureExporting += new _IRenderControlEvents_RcPictureExportingEventHandler(axRenderControl1_RcPictureExporting);
this.axRenderControl1.RcPictureExportEnd += new _IRenderControlEvents_RcPictureExportEndEventHandler(axRenderControl1_RcPictureExportEnd);
// 注册相机“返回”和“前进”事件
this.axRenderControl1.RcCameraUndoRedoStatusChanged += new _IRenderControlEvents_RcCameraUndoRedoStatusChangedEventHandler(axRenderControl1_RcCameraUndoRedoStatusChanged);
_rcCameraUndoRedo = new _IRenderControlEvents_RcCameraUndoRedoStatusChangedEventHandler(axRenderControl1_RcCameraUndoRedoStatusChanged);
// 设置天空盒
if (System.IO.Directory.Exists(strMediaPath))
{
string tmpSkyboxPath = strMediaPath + @"\skybox";
ISkyBox skybox = this.axRenderControl1.ObjectManager.GetSkyBox(0);
skybox.SetImagePath(gviSkyboxImageIndex.gviSkyboxImageBack, tmpSkyboxPath + "\\1_BK.jpg");
skybox.SetImagePath(gviSkyboxImageIndex.gviSkyboxImageBottom, tmpSkyboxPath + "\\1_DN.jpg");
skybox.SetImagePath(gviSkyboxImageIndex.gviSkyboxImageFront, tmpSkyboxPath + "\\1_FR.jpg");
skybox.SetImagePath(gviSkyboxImageIndex.gviSkyboxImageLeft, tmpSkyboxPath + "\\1_LF.jpg");
skybox.SetImagePath(gviSkyboxImageIndex.gviSkyboxImageRight, tmpSkyboxPath + "\\1_RT.jpg");
skybox.SetImagePath(gviSkyboxImageIndex.gviSkyboxImageTop, tmpSkyboxPath + "\\1_UP.jpg");
}
else
{
MessageBox.Show("请不要随意更改SDK目录名");
return;
}
// 加载FDB场景
try
{
IConnectionInfo ci = new ConnectionInfo();
ci.ConnectionType = gviConnectionType.gviConnectionFireBird2x;
string tmpFDBPath = (strMediaPath + @"\SDKDEMO.FDB");
ci.Database = tmpFDBPath;
IDataSourceFactory dsFactory = new DataSourceFactory();
IDataSource ds = dsFactory.OpenDataSource(ci);
string[] setnames = (string[])ds.GetFeatureDatasetNames();
if (setnames.Length == 0)
{
return;
}
IFeatureDataSet dataset = ds.OpenFeatureDataset(setnames[0]);
string[] fcnames = (string[])dataset.GetNamesByType(gviDataSetType.gviDataSetFeatureClassTable);
if (fcnames.Length == 0)
{
return;
}
fcMap = new Hashtable(fcnames.Length);
foreach (string name in fcnames)
{
IFeatureClass fc = dataset.OpenFeatureClass(name);
// 找到空间列字段
List <string> geoNames = new List <string>();
IFieldInfoCollection fieldinfos = fc.GetFields();
for (int i = 0; i < fieldinfos.Count; i++)
{
IFieldInfo fieldinfo = fieldinfos.Get(i);
if (null == fieldinfo)
{
continue;
}
IGeometryDef geometryDef = fieldinfo.GeometryDef;
if (null == geometryDef)
{
continue;
}
geoNames.Add(fieldinfo.Name);
}
fcMap.Add(fc, geoNames);
}
}
catch (COMException ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
return;
}
// CreateFeautureLayer
bool hasfly = false;
foreach (IFeatureClass fc in fcMap.Keys)
{
List <string> geoNames = (List <string>)fcMap[fc];
foreach (string geoName in geoNames)
{
if (!geoName.Equals("Geometry"))
{
continue;
}
IFeatureLayer featureLayer = this.axRenderControl1.ObjectManager.CreateFeatureLayer(
fc, geoName, null, null, rootId);
if (!hasfly)
{
IFieldInfoCollection fieldinfos = fc.GetFields();
IFieldInfo fieldinfo = fieldinfos.Get(fieldinfos.IndexOf(geoName));
IGeometryDef geometryDef = fieldinfo.GeometryDef;
env = geometryDef.Envelope;
if (env == null || (env.MaxX == 0.0 && env.MaxY == 0.0 && env.MaxZ == 0.0 &&
env.MinX == 0.0 && env.MinY == 0.0 && env.MinZ == 0.0))
{
continue;
}
IEulerAngle angle = new EulerAngle();
angle.Set(0, -20, 0);
this.axRenderControl1.Camera.LookAt(env.Center, 1000, angle);
}
hasfly = true;
}
}
// 加载动画导航
BindingSource bindingSource1 = new BindingSource();
{
string tmpXMLPath = (strMediaPath + @"\xml\CameraTour_1.xml");
tour = this.axRenderControl1.ObjectManager.CreateCameraTour(rootId);
if (File.Exists(tmpXMLPath))
{
StreamReader sr = new StreamReader(tmpXMLPath);
string xmlstring = "";
string line = sr.ReadLine();
while (!string.IsNullOrEmpty(line))
{
xmlstring += line;
line = sr.ReadLine();
}
sr.Close();
tour.FromXml(xmlstring);
}
bindingSource1.Add(new Knight("CameraTour_1", tour));
}
{
string tmpXMLPath = (strMediaPath + @"\xml\CameraTour_2.xml");
tour = this.axRenderControl1.ObjectManager.CreateCameraTour(rootId);
if (File.Exists(tmpXMLPath))
{
StreamReader sr = new StreamReader(tmpXMLPath);
string xmlstring = "";
string line = sr.ReadLine();
while (!string.IsNullOrEmpty(line))
{
xmlstring += line;
line = sr.ReadLine();
}
sr.Close();
tour.FromXml(xmlstring);
}
bindingSource1.Add(new Knight("CameraTour_2", tour));
}
dataGridView1.DataSource = bindingSource1;
dataGridView1.Columns[1].Visible = false;
this.btnPause.Enabled = false;
this.btnStop.Enabled = false;
this.toolStripComboBoxWeather.SelectedIndex = 0;
{
this.helpProvider1.SetShowHelp(this.axRenderControl1, true);
this.helpProvider1.SetHelpString(this.axRenderControl1, "");
this.helpProvider1.HelpNamespace = "HelloWorld.html";
}
}
private void btnImportFromXML_Click(object sender, EventArgs e)
{
OpenFileDialog od = new OpenFileDialog();
od.Filter = "XML文件|*.xml";
if (System.IO.Directory.Exists(strMediaPath))
{
od.InitialDirectory = strMediaPath + @"\xml";
}
od.RestoreDirectory = true;
if (od.ShowDialog() == DialogResult.OK)
{
if (File.Exists(od.FileName))
{
StreamReader sr = new StreamReader(od.FileName);
string xmlstring = sr.ReadToEnd();
sr.Close();
tour = null;
tour = this.axRenderControl1.ObjectManager.CreateCameraTour(rootId);
tour.FromXml(xmlstring);
if (tour.WaypointsNumber > 0)
{
//初始化节点表格
dt = new DataTable();
DataColumn dc0 = new DataColumn("index", typeof(int));
DataColumn dc1 = new DataColumn("x", typeof(double));
DataColumn dc2 = new DataColumn("y", typeof(double));
DataColumn dc3 = new DataColumn("z", typeof(double));
DataColumn dc4 = new DataColumn("heading", typeof(double));
DataColumn dc5 = new DataColumn("tilt", typeof(double));
DataColumn dc6 = new DataColumn("roll", typeof(double));
DataColumn dc7 = new DataColumn("duration", typeof(double));
DataColumn dc8 = new DataColumn("mode", typeof(string));
dt.Columns.AddRange(new DataColumn[] { dc0, dc1, dc2, dc3, dc4, dc5, dc6, dc7, dc8 });
this.dataGridView1.DataSource = dt;
for (int i = 0; i < tour.WaypointsNumber; i++)
{
double duration;
gviCameraTourMode mode;
tour.GetWaypoint(i, out position, out angle, out duration, out mode);
//将值写入表格
DataRow dr = dt.NewRow();
dr[0] = i;
dr[1] = position.X;
dr[2] = position.Y;
dr[3] = position.Z;
dr[4] = angle.Heading;
dr[5] = angle.Tilt;
dr[6] = angle.Roll;
dr[7] = duration;
dr[8] = getModeString(mode);
dt.Rows.Add(dr);
}
this.dataGridView1.Update();
//更新Time滑动条最大值
decimal mathRound = Math.Round((decimal)tour.TotalTime, 2);
this.trackBarTime.Maximum = int.Parse(((double)mathRound * 100.0).ToString());
}
}
}
}