private void MainForm_Load(object sender, System.EventArgs e)
{
if (_geoFactory == null)
{
_geoFactory = new GeometryFactory();
}
if (_gc == null)
{
_gc = new GeometryConvertor();
}
// 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;
// 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;
}
#region 创建地面模型
Array imgNames = null;
try
{
string osgPath = (strMediaPath + @"\mdb+osg\Ground\00650100agc4001.osg");
IResourceFactory resFac = new ResourceFactory();
IPropertySet imgs = new PropertySet();
resFac.CreateModelAndImageFromFile(osgPath, out imgs, out ModelSrc, out MatrixSrc);
this.axRenderControl1.ObjectManager.AddModel("test", ModelSrc);
string[] keys = imgs.GetAllKeys();
foreach (string imgName in keys)
{
IImage img = imgs.GetProperty(imgName) as IImage;
this.axRenderControl1.ObjectManager.AddImage(imgName, img);
}
ModelPointSrc = _geoFactory.CreateGeometry(gviGeometryType.gviGeometryModelPoint, gviVertexAttribute.gviVertexAttributeZ) as IModelPoint;
ModelPointSrc.ModelEnvelope = ModelSrc.Envelope;
ModelPointSrc.FromMatrix(MatrixSrc);
ModelPointSrc.ModelName = "test";
RenderModelPointSrc = this.axRenderControl1.ObjectManager.CreateRenderModelPoint(ModelPointSrc, null, rootId);
this.axRenderControl1.Camera.FlyToObject(RenderModelPointSrc.Guid, gviActionCode.gviActionFlyTo);
}
catch (COMException ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
return;
}
#endregion
_geoEditor = this.axRenderControl1.ObjectEditor;
_multiPolygon = _geoFactory.CreateGeometry(gviGeometryType.gviGeometryMultiPolygon, gviVertexAttribute.gviVertexAttributeZ) as IMultiPolygon;
{
this.helpProvider1.SetShowHelp(this.axRenderControl1, true);
this.helpProvider1.SetHelpString(this.axRenderControl1, "");
this.helpProvider1.HelpNamespace = "GeometryConvert3.html";
}
}
public void SearchModelPoint(IPolygon tarPolygon)
{
this.axRenderControl1.FeatureManager.UnhighlightAll();
IRowBuffer row = null;
foreach (IFeatureClass fc in fcMap.Keys)
{
if (!fc.Name.Equals("Building"))
{
continue;
}
IFdeCursor cursor = null;
try
{
ISpatialFilter filter = new SpatialFilter();
filter.Geometry = tarPolygon;
filter.SpatialRel = gviSpatialRel.gviSpatialRelEnvelope; //用不相离查不出来
filter.GeometryField = "Geometry";
cursor = fc.Search(filter, false);
while ((row = cursor.NextRow()) != null)
{
int oid = (int)row.GetValue(0);
this.axRenderControl1.FeatureManager.SetFeatureVisibleMask(fc, oid, gviViewportMask.gviViewNone);
int geoPos = row.FieldIndex("Geometry");
IModelPoint mp = row.GetValue(geoPos) as IModelPoint;
if (geoConvertor == null)
{
geoConvertor = new GeometryConvertor();
}
if (mPolygon == null)
{
mPolygon = (new GeometryFactory()).CreateGeometry(gviGeometryType.gviGeometryMultiPolygon, gviVertexAttribute.gviVertexAttributeZ) as IMultiPolygon;
}
mPolygon.Clear();
mPolygon.AddGeometry(tarPolygon);
GetZToolStripTextBox();
IResourceManager rm = fc.FeatureDataSet as IResourceManager;
IModel model = rm.GetModel(mp.ModelName);
IModel modelInterior = null;
IModelPoint mpInterior = null;
IModel modelExterior = null;
IModelPoint mpExterior = null;
if (minz == maxz)
{
geoConvertor.SplitModelPointByPolygon2D(mPolygon, model, mp, out modelInterior, out mpInterior, out modelExterior, out mpExterior);
}
else
{
geoConvertor.SplitModelPointByPolygon2DWithZ(mPolygon, model, mp, minz, maxz, out modelInterior, out mpInterior, out modelExterior, out mpExterior);
}
if (modelExterior != null)
{
this.axRenderControl1.ObjectManager.AddModel(fc.Name + oid + "Exterior", modelExterior);
mpExterior.ModelName = fc.Name + oid + "Exterior";
string[] imagenames = modelExterior.GetImageNames();
for (int j = 0; j < imagenames.Length; j++)
{
IImage image = rm.GetImage(imagenames[j]);
this.axRenderControl1.ObjectManager.AddImage(imagenames[j], image);
}
IRenderModelPoint rrrr = this.axRenderControl1.ObjectManager.CreateRenderModelPoint(mpExterior, null, rootId);
lll.Add(rrrr);
}
}
}
catch (COMException ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
}
finally
{
if (cursor != null)
{
//Marshal.ReleaseComObject(cursor);
cursor = null;
}
}
} // end of foreach (IFeatureClass fc in fcMap.Keys)
}