/// <summary>
/// 鼠标左键按下时发生的事件（建立缓冲区的主要方法）
/// </summary>
/// <param name="Flags"></param>
/// <param name="X"></param>
/// <param name="Y"></param>
/// <param name="pbHandled"></param>
void TE_OnLButtonDown(int Flags, int X, int Y, ref object pbHandled)
{
if (En == "DrawGeo")
{
}
else if (En == "SelectModle")
{
// 2012-9-20 张航宇
// 若成功的完成了一次缓冲分析，则将状态释放，要求重新点击
IWorldPointInfo61 pIWorldPointInfo = this.SgWorld.Window.PixelToWorld(X, Y, WorldPointType.WPT_MODEL);
if (pIWorldPointInfo.ObjectID != "" && pIWorldPointInfo.ObjectID != null)
{
try
{
ITerraExplorerObject61 pp = this.SgWorld.Creator.GetObject(pIWorldPointInfo.ObjectID);
if (pp.ObjectType == ObjectTypeCode.OT_FEATURE)
{
IFeature61 pIF = pp as IFeature61;
this.geo = pIF.GeometryZ.SpatialOperator.buffer((double)this.spinEdit1.Value);
ITerrainPolygon61 polygon = this.SgWorld.Creator.CreatePolygon(this.geo, -16711936, -10197916, cbRelative.Checked?AltitudeTypeCode.ATC_TERRAIN_RELATIVE: AltitudeTypeCode.ATC_ON_TERRAIN, GroupID, "Buffer" + System.Guid.NewGuid().ToString().Substring(0, 6));
if (cbRelative.Checked)
{
polygon.Position.Altitude = (double)speHeight.Value;
}
this.En = null;
this.Select.Checked = false;
}
else
{
ITerrainModel61 pITerrainModel = this.SgWorld.Creator.GetObject(pIWorldPointInfo.ObjectID) as ITerrainModel61;
IBBox3D61 pBBox = pITerrainModel.Terrain.BBox;
cVerticesArray = new double[] {
pBBox.MaxX, pBBox.MinY, 0,
pBBox.MaxX, pBBox.MaxY, 0,
pBBox.MinX, pBBox.MaxY, 0,
pBBox.MinX, pBBox.MinY, 0,
};
ILinearRing cRing = this.SgWorld.Creator.GeometryCreator.CreateLinearRingGeometry(cVerticesArray);
IPolygon cPolygonGeometry = this.SgWorld.Creator.GeometryCreator.CreatePolygonGeometry(cRing, null);
//this.geo = cPolygonGeometry as IGeometry;
ISpatialOperator _SpatialOperator = cPolygonGeometry.SpatialOperator;
this.geo = _SpatialOperator.buffer((double)this.spinEdit1.Value);
ITerrainPolygon61 polygon = this.SgWorld.Creator.CreatePolygon(this.geo, -16711936, -10197916, cbRelative.Checked ? AltitudeTypeCode.ATC_TERRAIN_RELATIVE : AltitudeTypeCode.ATC_ON_TERRAIN, GroupID, "Buffer" + System.Guid.NewGuid().ToString().Substring(0, 6));
if (cbRelative.Checked)
{
polygon.Position.Altitude = (double)speHeight.Value;
}
this.En = null;
this.Select.Checked = false;
}
}
catch
{
}
}
}
}
/// <summary>
/// 创建等高线*.shp文件的主方法
/// </summary>
/// <param name="lux">左上投影x坐标</param>
/// <param name="luy">左上投影y坐标</param>
/// <param name="luz">左上投影z坐标</param>
/// <param name="rlx">右下投影x坐标</param>
/// <param name="rly">右下投影y坐标</param>
/// <param name="rlz">右下投影z坐标</param>
/// <param name="m_interval">采样间隔</param>
/// <returns>等高线*.shp文件的文件名</returns>
public string CreateContourShape(ISGWorld61 sgworld, double lux, double luy, double luz, double rlx, double rly, double rlz, double m_interval)
{
double width = sgworld.CoordServices.GetDistance(lux, luy, rlx, luy);
double hight = sgworld.CoordServices.GetDistance(lux, luy, lux, rly);
if (width < 5 || hight < 10)
{
MessageBox.Show("范围过小！", "SUNZ", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(null);
}
if ((width / 1000) * (hight / 1000) > 40)
{
if (MessageBox.Show("范围超出40平分公里,系统计算时间比较长，是否继续？", "提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Question) == DialogResult.OK)
{
}
else
{
return(null);
}
}
this.Interval = m_interval;
this.Random = System.Guid.NewGuid().ToString().Substring(0, 6).ToLower();
CopyFolder(Application.StartupPath + "\\Convert\\TemPoints", Application.StartupPath + "\\Convert\\PointsResult\\" + this.Random);
IWorkspaceFactory pWorkspaceFactory = new ShapefileWorkspaceFactory();
IWorkspace pWorkspace = pWorkspaceFactory.OpenFromFile(Application.StartupPath + "\\Convert\\PointsResult\\" + this.Random, 0);
IFeatureWorkspace pFeatureWorkspace = pWorkspace as IFeatureWorkspace;
IFeatureClass pFeatureClass = pFeatureWorkspace.OpenFeatureClass(System.IO.Path.GetFileNameWithoutExtension(Application.StartupPath + "\\Convert\\PointsResult\\" + Random + "\\TemPointLayer.shp"));
IFeatureClassWrite fr = (IFeatureClassWrite)pFeatureClass;
IWorkspaceEdit w = (pFeatureClass as IDataset).Workspace as IWorkspaceEdit;
IFeature f;
w.StartEditing(true);
w.StartEditOperation();
int EastPointCount = (int)(width / 5);
int NothPointCount = (int)(hight / 5);
for (int j = 0; j < NothPointCount; j++)
{
ESRI.ArcGIS.Geometry.IPoint p;
p = new ESRI.ArcGIS.Geometry.PointClass();
ESRI.ArcGIS.Geometry.IZAware iz = p as ESRI.ArcGIS.Geometry.IZAware;
iz.ZAware = true;
p.X = lux;
p.Y = luy;
p.Z = luz;
ESRI.ArcGIS.Geometry.IGeometry peo;
peo = p;
f = pFeatureClass.CreateFeature();
f.Shape = peo;
f.set_Value(3, p.Z);
f.Store();
fr.WriteFeature(f);
for (int i = 0; i < EastPointCount; i++)
{
IPosition61 positionLU = null;
ICoord2D pPoint = null;
if ((j + 2) % 2 == 0)
{
pPoint = sgworld.CoordServices.MoveCoord(lux, luy, 5, 0);
}
else
{
pPoint = sgworld.CoordServices.MoveCoord(lux, luy, -5, 0);
}
IWorldPointInfo61 pW = sgworld.Terrain.GetGroundHeightInfo(pPoint.X, pPoint.Y, AccuracyLevel.ACCURACY_BEST_FROM_MEMORY, true);
positionLU = pW.Position;
luz = positionLU.Altitude;
lux = positionLU.X;
luy = positionLU.Y;
p = new ESRI.ArcGIS.Geometry.PointClass();
iz = p as ESRI.ArcGIS.Geometry.IZAware;
iz.ZAware = true;
p.X = lux;
p.Y = luy;
p.Z = luz;
peo = p;
f = pFeatureClass.CreateFeature();
f.Shape = peo;
f.set_Value(3, p.Z);
f.Store();
fr.WriteFeature(f);
}
ICoord2D pPointL = sgworld.CoordServices.MoveCoord(lux, luy, 0, -5);
IWorldPointInfo61 pWL = sgworld.Terrain.GetGroundHeightInfo(pPointL.X, pPointL.Y, AccuracyLevel.ACCURACY_FORCE_BEST_RENDERED, true);
luz = pWL.Position.Altitude;
lux = pWL.Position.X;
luy = pWL.Position.Y;
}
w.StopEditOperation();
w.StopEditing(true);
CreateTinFromFeature(pFeatureClass);
return(this.Random);
}
bool sgworld_OnLButtonDown(int Flags, int X, int Y)
{
if (pbhander == "modify")
{
LClickCount++;
IWorldPointInfo61 pIWPInfo = this.SgWorld.Window.PixelToWorld(X, Y, WorldPointType.WPT_TERRAIN);
IPosition61 pIPosition = this.SgWorld.Navigate.GetPosition(AltitudeTypeCode.ATC_TERRAIN_RELATIVE);
if (pITerrainPolygon == null)
{
try
{
ILinearRing cRing = null;
double[] cVerticesArray = null;
cVerticesArray = new double[] {
pIPosition.X, pIPosition.Y, 0,
pIWPInfo.Position.X, pIWPInfo.Position.Y, 0,
pIWPInfo.Position.X, pIWPInfo.Position.Y, 0,
};
cRing = this.SgWorld.Creator.GeometryCreator.CreateLinearRingGeometry(cVerticesArray);
uint nLineColor = 0xFF00FF00;
uint nFillColor = 0x7FFF0000;
AltitudeTypeCode eAltitudeTypeCode = AltitudeTypeCode.ATC_TERRAIN_RELATIVE;
pITerrainPolygon = this.SgWorld.Creator.CreatePolygon(cRing, nLineColor, nFillColor, eAltitudeTypeCode, 0, "Polygon");
IPolygon polygonGeometry = pITerrainPolygon.Geometry as IPolygon;
polygonGeometry.StartEdit();
foreach (ILinearRing ring in polygonGeometry.Rings)
{
double dx = pIWPInfo.Position.X;
double dy = pIWPInfo.Position.Y;
double dh = pIWPInfo.Position.Distance;
ring.Points.AddPoint(dx, dy, dh);
ring.Points.DeletePoint(0);
}
IGeometry editedGeometry = polygonGeometry.EndEdit();
pITerrainPolygon.Geometry = editedGeometry;
}
catch (Exception)
{
}
}
else
{
try
{
IPolygon polygonGeometry = pITerrainPolygon.Geometry as IPolygon;
polygonGeometry.StartEdit();
foreach (ILinearRing ring in polygonGeometry.Rings)
{
double dx = pIWPInfo.Position.X;
double dy = pIWPInfo.Position.Y;
double dh = pIWPInfo.Position.Distance;
ring.Points.AddPoint(dx, dy, dh);
}
IGeometry editedGeometry = polygonGeometry.EndEdit();
pITerrainPolygon.Geometry = editedGeometry;
}
catch (Exception)
{
}
}
}
return(false);
}
