private ISurface method_0(ILayer ilayer_1)
{
ISurface surface = null;
if (ilayer_1 == null)
{
return(null);
}
if (ilayer_1 is ITinLayer)
{
ITinLayer layer = ilayer_1 as ITinLayer;
return(layer.Dataset as ISurface);
}
if (ilayer_1 is IRasterLayer)
{
IRasterLayer layer2 = ilayer_1 as IRasterLayer;
IRasterBand band = (layer2.Raster as IRasterBandCollection).Item(0);
IRasterSurface surface2 = new RasterSurfaceClass
{
RasterBand = band
};
surface = surface2 as ISurface;
}
return(surface);
}
private void comboBoxOpen_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
if (comboBoxOpen.Items.Count > 0)
{
label.Text = "";
DrawGeo.Enabled = false;
string LayerName = comboBoxOpen.SelectedItem.ToString();
ILayer pLayer = GetLayerByName(ref LayerName);
if (pLayer is IRasterLayer)//读取Raster数据的ISurface
{
IRasterLayer pRasterLayer = pLayer as IRasterLayer;
IGeoDataset pDataset = pRasterLayer as IGeoDataset;
ISpatialReference psr = pDataset.SpatialReference;
// ZQ 20110808 为处理地理坐标系与投影坐标系单位的转换
if (psr is IProjectedCoordinateSystem)
{
label.Text = "该数据为地理坐标，计算结果无效仅供参考！";
}
else if (psr is IGeographicCoordinateSystem)
{
//m_pMapControlDefault.MapUnits.ToString();
}
//
IRasterSurface pRasterSurface = new RasterSurfaceClass();
pRasterSurface.PutRaster(pRasterLayer.Raster, 0);
m_SurFace = pRasterSurface as ISurface;
}
else if (pLayer is ITinLayer)//读取TIN数据的ISurface
{
ITinLayer pTinLayer = pLayer as ITinLayer;
IGeoDataset pDataset = pTinLayer as IGeoDataset;
ISpatialReference psr = pDataset.SpatialReference;
if (!(psr is IProjectedCoordinateSystem))
{
label.Text = "该数据为地理坐标，计算结果无效仅供参考！";
}
m_SurFace = pTinLayer.Dataset as ISurface;
}
if (m_SurFace == null)
{
MessageBox.Show("请选择需要进行分析的DEM数据", "提示！");
return;
}
DrawGeo.Enabled = true;
}
}
catch
{
return;
}
}
/// <summary>
/// 获取分析图层及Surfer
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void comboBoxOpen_SelectedIndexChanged(object sender, EventArgs e)
{
if (comboBoxOpen.Items.Count > 0)
{
string LayerName = comboBoxOpen.SelectedItem.ToString();
m_Layer = GetLayerByName(ref LayerName);
if (m_Layer is IRasterLayer)//读取Raster数据的ISurface
{
IRasterLayer pRasterLayer = m_Layer as IRasterLayer;
IRasterSurface pRasterSurface = new RasterSurfaceClass();
pRasterSurface.PutRaster(pRasterLayer.Raster, 0);
m_Surface = pRasterSurface as ISurface;
}
else if (m_Layer is ITinLayer)//读取TIN数据的ISurface
{
ITinLayer pTinLayer = m_Layer as ITinLayer;
m_Surface = pTinLayer.Dataset as ISurface;
}
if (m_Surface == null)
{
MessageBox.Show("请选择需要进行分析的DEM数据", "提示！");
return;
}
pTool3DLineOfSight.m_Layer = m_Layer; //将当前选中的图层传给通视分析工具
pTool3DLineOfSight.m_SurFace = m_Surface; //将当前获取的Surface传给通视分析工具
//下面是根据获取的Surface来自动判断是否应用曲率和折射校正
bool bCurvEnabled;
bCurvEnabled = false;
ISurface pSurface = m_Surface;
IGeoDataset pGeoDataset;
if (pSurface is ITin)
{
pGeoDataset = pSurface as IGeoDataset;
}
else
{
IRasterSurface pRasterSurf = pSurface as IRasterSurface;
pGeoDataset = pRasterSurf.RasterBand.RasterDataset as IGeoDataset;
}
ISpatialReference pSpatialReference = pGeoDataset.SpatialReference;
ILinearUnit pLinearUnit = pSpatialReference.ZCoordinateUnit;
if (pLinearUnit != null)
{
if (pSpatialReference is IProjectedCoordinateSystem)//当投影ProjectedCoordinateSystem时使用应用曲率和折射校正
{
bCurvEnabled = true;
}
}
checkBoxCurv.Checked = bCurvEnabled;
}
}
private void SurfaceProcess(IGeoDataset beforeGeo, IGeoDataset afterGeo)
{
try
{
IRasterSurface rasterSurface = new RasterSurfaceClass();
rasterSurface.PutRaster((IRaster)beforeGeo, 0);
ISurface pSurface = rasterSurface as ISurface;
surfaceArea = pSurface.GetSurfaceArea(h, esriPlaneReferenceType.esriPlaneReferenceAbove).ToString(".###") + "㎡";
projectArea = pSurface.GetProjectedArea(h, esriPlaneReferenceType.esriPlaneReferenceAbove).ToString(".###") + "㎡";
ISurfaceOp SurfaceOp = new RasterSurfaceOpClass();
IGeoDataset outGeoDataset = SurfaceOp.CutFill(beforeGeo, afterGeo, Type.Missing);
IRasterBandCollection pRsBandCol = outGeoDataset as IRasterBandCollection;
double area = 0.0; //涉及面积
double volume = 0.0; //挖方方量
double volume1 = 0.0; //填方方量
double sumVolume = 0; //挖方总量
double sumVolume1 = 0; //填方总量
for (int i = 0; i < pRsBandCol.Count; i++)
{
IRasterBand pBand = pRsBandCol.Item(0);
ITable pRTable = pBand.AttributeTable;
ICursor pCursor = pRTable.Search(null, true);
IRow pRrow = pCursor.NextRow();
while (pRrow != null)
{
area += Convert.ToDouble(pRrow.get_Value(pRrow.Fields.FindField("AREA")).ToString());
volume = Convert.ToDouble(pRrow.get_Value(pRrow.Fields.FindField("VOLUME")).ToString());
if (volume > 0)
{
sumVolume += volume;
}
else
{
sumVolume1 += volume;
}
pRrow = pCursor.NextRow();
}
}
dig = Math.Round(sumVolume, 3).ToString() + "m³";
fill = Math.Round(Math.Abs(sumVolume1), 3).ToString() + "m³";
}
catch (System.Exception ex)
{
WaitForm.Stop();
}
}
public IRasterSurface GetSurfFormLayer(IRasterLayer pRLayer)
{
I3DProperties p3DProp = Get3DPropsFromLayer((pRLayer));
//获取图层的基准面
IRasterSurface pRSurf = (IRasterSurface)p3DProp.BaseSurface;
//如果空 则取栅格的第一个波段
if (pRSurf == null)
{
//MessageBox.Show("null");
pRSurf = new RasterSurfaceClass();
IRasterBandCollection bands = (IRasterBandCollection)pRLayer.Raster;
pRSurf.RasterBand = bands.Item(0);
}
return(pRSurf);
}
/// <summary>
/// Initializes a new instance of the AnalysisSurface class
/// </summary>
/// <param name="rasterFromLayer">The raster from the layer</param>
/// <param name="bandIndex">Index of the band</param>
public AnalysisSurface(IRaster rasterFromLayer, int bandIndex)
{
IRasterBandCollection rasterBC = (IRasterBandCollection)rasterFromLayer;
this.RasterBand = rasterBC.Item(bandIndex);
this.RasterDataset = this.RasterBand.RasterDataset;
this.Raster = this.RasterDataset.CreateDefaultRaster();
IGeoDataset rasterGDS = (IGeoDataset)this.RasterDataset;
this.SpatialReference = rasterGDS.SpatialReference;
IRasterSurface rasterSurface = new RasterSurfaceClass();
rasterSurface.PutRaster(this.Raster, bandIndex);
this.Surface = (ISurface)rasterSurface;
}
/// <summary>
/// Method to get a ISurface from a map with layer name
/// </summary>
/// <param name="map">IMap that contains surface layer</param>
/// <param name="name">Name of the layer that you are looking for</param>
/// <returns>ISurface</returns>
public ISurface GetSurfaceFromMapByName(IMap map, string name)
{
var layers = map.get_Layers();
var layer = layers.Next();
while (layer != null)
{
if (layer.Name != name)
{
layer = layers.Next();
continue;
}
var tin = layer as ITinLayer;
if (tin != null)
{
return(tin.Dataset as ISurface);
}
var rasterSurface = new RasterSurfaceClass() as IRasterSurface;
ISurface surface = null;
var mosaicLayer = layer as IMosaicLayer;
var rasterLayer = layer as IRasterLayer;
if (mosaicLayer != null && mosaicLayer.PreviewLayer != null && mosaicLayer.PreviewLayer.Raster != null)
{
rasterSurface.PutRaster(mosaicLayer.PreviewLayer.Raster, 0);
}
else if (rasterLayer != null && rasterLayer.Raster != null)
{
rasterSurface.PutRaster(rasterLayer.Raster, 0);
}
surface = rasterSurface as ISurface;
if (surface != null)
{
return(surface);
}
}
return(null);
}
private ISurface method_1(IDataset idataset_0)
{
ISurface surface = null;
if (idataset_0 is ITin)
{
return(idataset_0 as ISurface);
}
if (idataset_0 is IRasterBandCollection)
{
IRasterBand band = (idataset_0 as IRasterBandCollection).Item(0);
IRasterSurface surface2 = new RasterSurfaceClass
{
RasterBand = band
};
surface = surface2 as ISurface;
}
return(surface);
}
/// <summary>
/// Method to get a ISurface from a map with layer name
/// </summary>
/// <param name="map">IMap that contains surface layer</param>
/// <param name="name">Name of the layer that you are looking for</param>
/// <returns>ISurface</returns>
public ISurface GetSurfaceFromMapByName(IMap map, string name)
{
for (int x = 0; x < map.LayerCount; x++)
{
var layer = map.get_Layer(x);
if (layer == null || layer.Name != name)
{
continue;
}
var tin = layer as ITinLayer;
if (tin != null)
{
return(tin.Dataset as ISurface);
}
var rasterSurface = new RasterSurfaceClass() as IRasterSurface;
ISurface surface = null;
var mosaicLayer = layer as IMosaicLayer;
var rasterLayer = layer as IRasterLayer;
if (mosaicLayer != null && mosaicLayer.PreviewLayer != null && mosaicLayer.PreviewLayer.Raster != null)
{
rasterSurface.PutRaster(mosaicLayer.PreviewLayer.Raster, 0);
}
else if (rasterLayer != null && rasterLayer.Raster != null)
{
rasterSurface.PutRaster(rasterLayer.Raster, 0);
}
surface = rasterSurface as ISurface;
if (surface != null)
{
return(surface);
}
}
return(null);
}
private void axMapControl1_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
if(pFlag==1)//缓冲区空间查询
{
IActiveView pActView = axMapControl1.Map as IActiveView;
IPoint pPoint = pActView.ScreenDisplay.DisplayTransformation.ToMapPoint(e.x, e.y);
ITopologicalOperator pTopo = pPoint as ITopologicalOperator;
IGeometry pGeo = pTopo.Buffer(500);
ESRI.ArcGIS.Display.IRgbColor rgbColor = new ESRI.ArcGIS.Display.RgbColorClass();
rgbColor.Red = 255;
ESRI.ArcGIS.Display.IColor color = rgbColor; // Implicit Cast
ESRI.ArcGIS.Display.ISimpleFillSymbol simpleFillSymbol = new ESRI.ArcGIS.Display.SimpleFillSymbolClass();
simpleFillSymbol.Color = color;
ESRI.ArcGIS.Display.ISymbol symbol = simpleFillSymbol as ESRI.ArcGIS.Display.ISymbol;
pActView.ScreenDisplay.SetSymbol(symbol);
pActView.ScreenDisplay.DrawPolygon(pGeo);
axMapControl1.Map.SelectByShape(pGeo, null, false);
axMapControl1.FlashShape(pGeo, 1000, 2, symbol);
axMapControl1.ActiveView.Refresh();
}
if (pFlag == 2)
{
pNetMap = axMapControl1.Map;
pGC = pNetMap as IGraphicsContainer;
IActiveView pActView = pNetMap as IActiveView;
IPoint pPoint = pActView.ScreenDisplay.DisplayTransformation.ToMapPoint(e.x, e.y);
object o = Type.Missing;
object o1 = Type.Missing;
pPointC.AddPoint(pPoint, ref o, ref o1);
IElement Element;
ITextElement Textelement = new TextElementClass();
Element = Textelement as IElement;
pClickedCount++;
Textelement.Text = pClickedCount.ToString();
Element.Geometry = pActView.ScreenDisplay.DisplayTransformation.ToMapPoint(e.x, e.y);
pGC.AddElement(Element, 0);
pActView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
IFeatureClass pFeatureClass = pNaContext.NAClasses.get_ItemByName("Stops") as IFeatureClass;
NASolve(pNaContext, pFeatureClass, pPointC, 5000);
IGPMessages gpMessages = new GPMessagesClass();
bool pBool = pNASolveClass.Solve(pNaContext, gpMessages, null);
}
if (pFlag == 3)//有向网络
{
IWorkspace pWs = GetMDBWorkspace(@".\data\Geometric.mdb");
IFeatureWorkspace pFtWs = pWs as IFeatureWorkspace;
IFeatureDataset pFtDataset = pFtWs.OpenFeatureDataset("work");
double s = 0;
IPolyline pPolyline = new PolylineClass();
SolvePath(axMapControl1.Map, GetGeometricNetwork(pFtDataset, "TestGeometric"), "Weight", pPointC, 1000, ref pPolyline, ref s);
IRgbColor pColor = new RgbColorClass();
pColor.Red = 255;
IElement pElement = new LineElementClass();
ILineSymbol linesymbol = new SimpleLineSymbolClass();
linesymbol.Color = pColor as IColor;
linesymbol.Width = 100;
pElement.Geometry = pPolyline;
pGC.AddElement(pElement, 2);
axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
if (pFlag == 4)
{
if(axMapControl1.Map.get_Layer(0)!=null)
{
IRasterLayer pRasterLayer = axMapControl1.Map.get_Layer(0) as IRasterLayer;
IRasterSurface pRasterSurface = new RasterSurfaceClass();
pRasterSurface.PutRaster(pRasterLayer.Raster, 0);
ISurface pSurface = pRasterSurface as ISurface;
IPolyline pPolyline = axMapControl1.TrackLine() as IPolyline;
IPoint pPoint =null ;
IPolyline pVPolyline =null;
IPolyline pInPolyline= null;
object pRef=0.13;
bool pBool =true;
double pZ1 = pSurface.GetElevation(pPolyline.FromPoint);
double pZ2= pSurface.GetElevation(pPolyline.ToPoint);
IPoint pPoint1 = new PointClass();
pPoint1.Z = pZ1;
pPoint1.X = pPolyline.FromPoint.X;
pPoint1.Y = pPolyline.FromPoint.Y;
IPoint pPoint2 = new PointClass();
pPoint2.Z = pZ2;
pPoint2.X = pPolyline.ToPoint.X;
pPoint2.Y = pPolyline.ToPoint.Y;
pSurface.GetLineOfSight(pPoint1, pPoint2, out pPoint, out pVPolyline,
out pInPolyline, out pBool, false, false, ref pRef);//大爷的，设置为true居然通不过bApplyCurvature和bApplyRefraction两项设置为true，surface必须定义成具有ZUnits的投影坐标
//This member should not be used in .NET. As a substitute, .NET developers must use IGeoDatabaseBridge2.GetLineOfSight.
//楼主，用IGeoDatabaseBridge2.GetLineOfSight.方法试试
if (pVPolyline != null)
{
IElement pLineElementV = new LineElementClass();
pLineElementV.Geometry = pVPolyline;
ILineSymbol pLinesymbolV = new SimpleLineSymbolClass();
pLinesymbolV.Width = 2;
IRgbColor pColorV = new RgbColorClass();
pColorV.Green =255;
pLinesymbolV.Color = pColorV;
ILineElement pLineV = pLineElementV as ILineElement;
pLineV.Symbol = pLinesymbolV;
axMapControl1.ActiveView.GraphicsContainer.AddElement(pLineElementV, 0);
}
if (pInPolyline != null)
{
IElement pLineElementIn = new LineElementClass();
pLineElementIn.Geometry = pInPolyline;
ILineSymbol pLinesymbolIn = new SimpleLineSymbolClass();
pLinesymbolIn.Width = 2;
IRgbColor pColorIn = new RgbColorClass();
pColorIn.Red = 255;
pLinesymbolIn.Color = pColorIn;
ILineElement pLineIn = pLineElementIn as ILineElement;
pLineIn.Symbol = pLinesymbolIn;
axMapControl1.ActiveView.GraphicsContainer.AddElement(pLineElementIn, 1);
}
axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
axMapControl1.TrackCancel.Cancel();
}
}
}
/// <summary>
/// Method to get a ISurface from a map with layer name
/// </summary>
/// <param name="map">IMap that contains surface layer</param>
/// <param name="name">Name of the layer that you are looking for</param>
/// <returns>ISurface</returns>
public ISurface GetSurfaceFromMapByName(IMap map, string name)
{
for (int x = 0; x < map.LayerCount; x++)
{
var layer = map.get_Layer(x);
if (layer == null || layer.Name != name)
continue;
var tin = layer as ITinLayer;
if (tin != null)
{
return tin.Dataset as ISurface;
}
var rasterSurface = new RasterSurfaceClass() as IRasterSurface;
ISurface surface = null;
var mosaicLayer = layer as IMosaicLayer;
var rasterLayer = layer as IRasterLayer;
if (mosaicLayer != null && mosaicLayer.PreviewLayer != null && mosaicLayer.PreviewLayer.Raster != null)
{
rasterSurface.PutRaster(mosaicLayer.PreviewLayer.Raster, 0);
}
else if (rasterLayer != null && rasterLayer.Raster != null)
{
rasterSurface.PutRaster(rasterLayer.Raster, 0);
}
surface = rasterSurface as ISurface;
if (surface != null)
return surface;
}
return null;
}
//��դ�����ݲ��л�ñ���
public static ISurface GetSurface(ILayer pLayer)
{
if (pLayer is ITinLayer)
{
ITinLayer pTinLayer = pLayer as ITinLayer;
ITinAdvanced pTin = pTinLayer.Dataset as ITinAdvanced;
return pTin as ISurface;
}
else
{
IRasterLayer pRasterLayer = pLayer as IRasterLayer;
IRasterBandCollection pRasterBands = pRasterLayer.Raster as IRasterBandCollection;
IRasterBand pRasterBand = pRasterBands.Item(0);
IRasterSurface pRasterSurface = new RasterSurfaceClass();
pRasterSurface.RasterBand = pRasterBand;
IGeoDataset pGeoDataset = pRasterBand.RasterDataset as IGeoDataset;
IRasterStatistics pRasterStats = pRasterBand.Statistics;
return pRasterSurface as ISurface;
}
}
private void btnok_Click(object sender, EventArgs e)
{
try
{
ILayer pLayer = null;
IRasterLayer pRlayer = null;
ITinLayer pTinlayer = null;
ISurface pSurface = null;
for (int i = 0; i < pMapControl.LayerCount; i++)
{
if (pMapControl.get_Layer(i).Name == cmblayer.SelectedItem.ToString())
{
pLayer = pMapControl.get_Layer(i);
}
}
if (pLayer is IRasterLayer)
{
pRlayer = pLayer as IRasterLayer;
IRasterSurface rasterSurf = new RasterSurfaceClass();
rasterSurf.PutRaster(pRlayer.Raster, 0);
pSurface = rasterSurf as ISurface;
}
else if (pLayer is ITinLayer)
{
pTinlayer = pLayer as ITinLayer;
ITin ptin = pTinlayer.Dataset;
pSurface = (ISurface)ptin;
}
IPolyline pPolyline = pFeature.ShapeCopy as IPolyline;
IGeometry pProfLine;
IPoint m_StartPoint = pPolyline.FromPoint;
IPoint m_EndPoint = pPolyline.ToPoint;
object size = new object();
pSurface.GetProfile(pPolyline, out pProfLine, ref size);
IPolyline pNewLine = pProfLine as IPolyline;
double iii = pPolyline.Length;
List <double> ZValue = new List <double>();
List <double> DistanceValue = new List <double>();
DistanceValue.Add(0);
ZValue.Add(pNewLine.FromPoint.Z);
for (int i = 1; i < (int)pNewLine.Length; i++)
{
DistanceValue.Add(i);
ICurve pCurve;
pNewLine.GetSubcurve(0, DistanceValue[i], false, out pCurve);
ZValue.Add(pCurve.ToPoint.Z);
}
DistanceValue.Add(pNewLine.Length);
ZValue.Add(pNewLine.ToPoint.Z);
double roffset = inoffset.Value / 2; //右轮偏移
double loffset = -inoffset.Value / 2; //左轮偏移
IPolyline pRLine = ConstructOffset(pPolyline, roffset);
IPolyline pLLine = ConstructOffset(pPolyline, loffset);
IGeometry pLProfLine;
IGeometry pRProfLine;
pSurface.GetProfile(pRLine, out pRProfLine, ref size);
pSurface.GetProfile(pLLine, out pLProfLine, ref size);
IPolyline pRNewline = pRProfLine as IPolyline;
IPolyline pLNewline = pLProfLine as IPolyline;
List <double> ZRValue = new List <double>();
List <double> ZLValue = new List <double>();
List <double> RDistanceValue = new List <double>();
List <double> LDistanceValue = new List <double>();
RDistanceValue.Add(0);
LDistanceValue.Add(0);
ZRValue.Add(pRNewline.FromPoint.Z);
ZLValue.Add(pLNewline.FromPoint.Z);
for (int j = 1; j < (int)pRNewline.Length; j++)
{
RDistanceValue.Add(j);
ICurve pCurve;
pRNewline.GetSubcurve(0, RDistanceValue[j], false, out pCurve);
ZRValue.Add(pCurve.ToPoint.Z);
}
RDistanceValue.Add(pRNewline.Length);
ZRValue.Add(pRNewline.ToPoint.Z);
for (int k = 1; k < (int)pLNewline.Length; k++)
{
LDistanceValue.Add(k);
ICurve pCurve;
pLNewline.GetSubcurve(0, LDistanceValue[k], false, out pCurve);
ZLValue.Add(pCurve.ToPoint.Z);
}
LDistanceValue.Add(pLNewline.Length);
ZLValue.Add(pLNewline.ToPoint.Z);
FrmprofileGraph frmgraph = new FrmprofileGraph(ZValue, DistanceValue, pNewLine, ZRValue, RDistanceValue, ZLValue, LDistanceValue);
frmgraph.ShowDialog();
frmgraph.ShowInTaskbar = false;
frmgraph.StartPosition = FormStartPosition.CenterScreen;
#region ///
////用ISurface的 InterpolateShape方法，得到这条直线做剖面后的Geometry，方法说明详见帮助
//IGeometry OutShape;
//object size = new object();
//pSurface.InterpolateShape(pPolyline, out OutShape, ref size);
////将结果QI为 PointCollection，QI成功显示结果是直线上单一的几个离散点，InterpolateShape会自动将分析的结果直线上选取六个等分的离散点，以这六个点的值来作曲线图
//IPointCollection pointCollection = OutShape as IPointCollection;
//IMAware maware = pointCollection as IMAware;
//maware.MAware = true;
//IZAware zaware = pointCollection as IZAware;
//zaware.ZAware = true;
//IMSegmentation mseg = pointCollection as IMSegmentation;
////设置M的值为距离
//mseg.SetMsAsDistance(false);
//IPointCollection newPointColl = new PolylineClass();
//int count = pointCollection.PointCount;
//for (int i = 0; i < count; i++)
//{
// IPoint point = pointCollection.get_Point(i);
// IPoint newPoint = new PointClass();
// newPoint.X = point.M;
// newPoint.Y = point.Z;
// object missing = Type.Missing;
// newPointColl.AddPoint(newPoint, ref missing, ref missing);
//}
//#region
////IWorkspaceFactory wsFactory = new ShapefileWorkspaceFactoryClass();
////IWorkspaceName workspaceName = wsFactory.Create("F:", "temp", null, 0);
//IWorkspaceFactory workspaceFactory = new InMemoryWorkspaceFactoryClass();
//IWorkspaceName workspaceName = workspaceFactory.Create("", "MyWorkspace", null, 0);
//IName name = workspaceName as IName;
//IWorkspace workspace = name.Open() as IWorkspace;
//IFields fields = new FieldsClass();
//IFieldsEdit fieldsEdit = fields as IFieldsEdit;
//IField field = new FieldClass();
//IFieldEdit fieldEdit = field as IFieldEdit;
//fieldEdit.Name_2 = "OID";
//fieldEdit.Type_2 = esriFieldType.esriFieldTypeOID;
//fieldsEdit.AddField(field);
//IGeometryDef geometryDef = new GeometryDefClass();
//IGeometryDefEdit geometryDefEdit = geometryDef as IGeometryDefEdit;
//geometryDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPolyline;
//ISpatialReference spatialRef = new UnknownCoordinateSystemClass();
//geometryDefEdit.SpatialReference_2 = (pRlayer as IGeoDataset).SpatialReference;
//field = new FieldClass();
//fieldEdit = field as IFieldEdit;
//fieldEdit.Name_2 = "Shape";
//fieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
//fieldEdit.GeometryDef_2 = geometryDef;
//fieldsEdit.AddField(field);
//IFieldChecker fieldChecker = new FieldCheckerClass();
//IEnumFieldError enumFieldError = null;
//IFields validatedFields = null;
//fieldChecker.ValidateWorkspace = workspace;
//fieldChecker.Validate(fields, out enumFieldError, out validatedFields);
//IFeatureClass featureClass = (workspace as IFeatureWorkspace).CreateFeatureClass("test",
// validatedFields, null, null, esriFeatureType.esriFTSimple, "Shape", "");
//IFeatureCursor featureCursor = featureClass.Insert(true);
//IFeatureBuffer featureBuffer = featureClass.CreateFeatureBuffer();
//featureBuffer.Shape = pFeature as IGeometry;
//featureCursor.InsertFeature(featureBuffer);
//featureCursor.Flush();
//#endregion
//IFeatureLayer featureLayer = new FeatureLayerClass();
//featureLayer.FeatureClass = featureClass;
//featureLayer.Name = featureClass.AliasName;
//pMapControl.AddLayer(featureLayer as ILayer);
//pMapControl.Refresh();
////建立featureClass，为后面曲线图提供数据
//IWorkspaceFactory workspaceFactory = new InMemoryWorkspaceFactoryClass();
//IWorkspaceName workspaceName = workspaceFactory.Create("", "MyWorkspace", null, 0);
//IName name = (IName)workspaceName;
//IWorkspace inmemWor = (IWorkspace)name.Open();
//IFields fields = new FieldsClass();
//IFieldsEdit fieldsEdit = fields as IFieldsEdit;
//IField oidField = new FieldClass();
//IFieldEdit oidFieldEdit = oidField as IFieldEdit;
//oidFieldEdit.Name_2 = "OID";
//oidFieldEdit.Type_2 = esriFieldType.esriFieldTypeOID;
//fieldsEdit.AddField(oidField);
//IGeometryDef geometryDef = new GeometryDefClass();
//IGeometryDefEdit geometryDefEdit = geometryDef as IGeometryDefEdit;
//geometryDefEdit.GeometryType_2 = ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryPoint;
//geometryDefEdit.HasM_2 = true;
//geometryDefEdit.HasZ_2 = true;
//ISpatialReferenceFactory spatialReferenceFactory = new SpatialReferenceEnvironmentClass();
//ISpatialReference spatialReference = pMapControl.SpatialReference;//spatialReferenceFactory.CreateGeographicCoordinateSystem((int)esriSRGeoCSType.esriSRGeoCS_WGS1984);
//ISpatialReferenceResolution spatialReferenceResolution = (ISpatialReferenceResolution)spatialReference; spatialReferenceResolution.ConstructFromHorizon();
//ISpatialReferenceTolerance spatialReferenceTolerance = (ISpatialReferenceTolerance)spatialReference; spatialReferenceTolerance.SetDefaultXYTolerance();
//geometryDefEdit.SpatialReference_2 = spatialReference;
//IField geometryField = new FieldClass();
//IFieldEdit geometryFieldEdit = (IFieldEdit)geometryField;
//geometryFieldEdit.Name_2 = "Shape";
//geometryFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
//geometryFieldEdit.GeometryDef_2 = geometryDef;
//fieldsEdit.AddField(geometryField);
//IField mField = new FieldClass();
//IFieldEdit mFieldEdit = (IFieldEdit)mField;
//mFieldEdit.Name_2 = "M";
//mFieldEdit.Type_2 = esriFieldType.esriFieldTypeDouble;
//mFieldEdit.Length_2 = 8;
//fieldsEdit.AddField(mField);
//IField zField = new FieldClass();
//IFieldEdit zFieldEdit = (IFieldEdit)zField;
//zFieldEdit.Name_2 = "Z";
//zFieldEdit.Type_2 = esriFieldType.esriFieldTypeDouble;
//zFieldEdit.Length_2 = 8;
//fieldsEdit.AddField(zField);
//IFieldChecker fieldChecker = new FieldCheckerClass();
//IEnumFieldError enumFieldError = null;
//IFields validatedFields = null;
//fieldChecker.ValidateWorkspace = inmemWor;
//fieldChecker.Validate(fields, out enumFieldError, out validatedFields);
//IFeatureClass featureClass = (inmemWor as IFeatureWorkspace).CreateFeatureClass("test", validatedFields, null, null, esriFeatureType.esriFTSimple, "Shape", "");
//IFeatureCursor cursor = featureClass.Insert(true);
//IFeatureBuffer buffer = featureClass.CreateFeatureBuffer();
//int count = pointCollection.PointCount;
//for (int i = 0; i < count; ++i)
//{
// IPoint p = pointCollection.get_Point(i);
// buffer.Shape = p as IGeometry;
// buffer.set_Value(buffer.Fields.FindField("M"), p.M);
// buffer.set_Value(buffer.Fields.FindField("Z"), p.Z);
// cursor.InsertFeature(buffer);
//}
//cursor.Flush();
////开始做曲线图
#endregion
}
catch (System.Exception ex)
{
MessageBox.Show("该图像不能做剖面分析", "提示", MessageBoxButtons.OK);
}
}
/// <summary>
/// Method to get all the names of the raster/tin layers that support ISurface
/// we use this method to populate a combobox for input selection of surface layer
/// </summary>
/// <param name="map">IMap</param>
/// <returns></returns>
public List<string> GetSurfaceNamesFromMap(IMap map, bool IncludeTinLayers = false)
{
var list = new List<string>();
for (int x = 0; x < map.LayerCount; x++)
{
try
{
var layer = map.get_Layer(x);
if (layer == null)
continue;
var tin = layer as ITinLayer;
if (tin != null)
{
if (IncludeTinLayers)
list.Add(layer.Name);
continue;
}
var rasterSurface = new RasterSurfaceClass() as IRasterSurface;
ISurface surface = null;
var ml = layer as IMosaicLayer;
if (ml != null)
{
if (ml.PreviewLayer != null && ml.PreviewLayer.Raster != null)
{
rasterSurface.PutRaster(ml.PreviewLayer.Raster, 0);
surface = rasterSurface as ISurface;
if (surface != null)
list.Add(layer.Name);
}
continue;
}
var rasterLayer = layer as IRasterLayer;
if (rasterLayer != null && rasterLayer.Raster != null)
{
rasterSurface.PutRaster(rasterLayer.Raster, 0);
surface = rasterSurface as ISurface;
if (surface != null)
list.Add(layer.Name);
continue;
}
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
return list;
}
public IRasterSurface GetSurfFormLayer(IRasterLayer pRLayer)
{
I3DProperties p3DProp = Get3DPropsFromLayer((pRLayer));
//获取图层的基准面
IRasterSurface pRSurf = (IRasterSurface)p3DProp.BaseSurface;
//如果空 则取栅格的第一个波段
if (pRSurf == null)
{
//MessageBox.Show("null");
pRSurf = new RasterSurfaceClass();
IRasterBandCollection bands = (IRasterBandCollection)pRLayer.Raster;
pRSurf.RasterBand = bands.Item(0);
}
return pRSurf;
}
/// <summary>
/// Method to get all the names of the raster/tin layers that support ISurface
/// we use this method to populate a combobox for input selection of surface layer
/// </summary>
/// <param name="map">IMap</param>
/// <returns></returns>
public List <string> GetSurfaceNamesFromMap(IMap map, bool IncludeTinLayers = false)
{
var list = new List <string>();
var layers = map.get_Layers();
var layer = layers.Next();
while (layer != null)
{
try
{
var tin = layer as ITinLayer;
if (tin != null)
{
if (IncludeTinLayers)
{
list.Add(layer.Name);
}
layer = layers.Next();
continue;
}
var rasterSurface = new RasterSurfaceClass() as IRasterSurface;
ISurface surface = null;
var ml = layer as IMosaicLayer;
if (ml != null)
{
if (ml.PreviewLayer != null && ml.PreviewLayer.Raster != null)
{
rasterSurface.PutRaster(ml.PreviewLayer.Raster, 0);
surface = rasterSurface as ISurface;
if (surface != null)
{
list.Add(layer.Name);
}
}
layer = layers.Next();
continue;
}
var rasterLayer = layer as IRasterLayer;
if (rasterLayer != null && rasterLayer.Raster != null)
{
rasterSurface.PutRaster(rasterLayer.Raster, 0);
surface = rasterSurface as ISurface;
if (surface != null)
{
list.Add(layer.Name);
}
layer = layers.Next();
continue;
}
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
layer = layers.Next();
}
return(list);
}
/// <summary>
/// 获取分析图层及Surfer
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void comboBoxOpen_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
if (comboBoxOpen.Items.Count > 0)
{
label.Text = "";
Cls3DMarkDraw.DeleteAllElementsWithName(m_pCurrentSceneControl.Scene, sRefPlaneName);
Cls3DMarkDraw.DeleteAllElementsWithName(m_pCurrentSceneControl.Scene, ContourName);
m_pCurrentSceneControl.SceneGraph.RefreshViewers();
m_ScenePoly = null;
m_StaPolygon = null;
m_SurFace = null;
txtArea2DSel.Text = "";
txtAreaAbove.Text = "";
txtAreaBelow.Text = "";
txtPara.Text = "";
txtPlaneHeight.Text = "";
txtVolumeAbove.Text = "";
txtVolumeBelow.Text = "";
DrawGeo.Enabled = false;
sldPlaneHeight.Enabled = false;
btncount.Enabled = false;
string LayerName = comboBoxOpen.SelectedItem.ToString();
ILayer pLayer = GetLayerByName(ref LayerName);
if (pLayer is IRasterLayer)//读取Raster数据的ISurface
{
IRasterLayer pRasterLayer = pLayer as IRasterLayer;
IGeoDataset pDataset = pRasterLayer as IGeoDataset;
ISpatialReference psr = pDataset.SpatialReference;
if (!(psr is IProjectedCoordinateSystem))
{
label.Text = "该数据为地理坐标，计算结果无效仅供参考！";
}
IRasterSurface pRasterSurface = new RasterSurfaceClass();
pRasterSurface.PutRaster(pRasterLayer.Raster, 0);
m_SurFace = pRasterSurface as ISurface;
DrawGeo.Enabled = false;
m_IsTin = false;
}
else if (pLayer is ITinLayer)//读取TIN数据的ISurface
{
ITinLayer pTinLayer = pLayer as ITinLayer;
IGeoDataset pDataset = pTinLayer as IGeoDataset;
ISpatialReference psr = pDataset.SpatialReference;
if (!(psr is IProjectedCoordinateSystem))
{
label.Text = "该数据为地理坐标，计算结果无效仅供参考！";
}
m_SurFace = pTinLayer.Dataset as ISurface;
m_IsTin = true;
DrawGeo.Enabled = true;
}
if (m_SurFace == null)
{
MessageBox.Show("请选择需要进行分析的DEM数据", "提示！");
return;
}
if (m_StaPolygon == null)
{
if (m_SurFace is ITin)
{
ITin pTin = m_SurFace as ITin;
sldPlaneHeight.Maximum = Convert.ToInt32(pTin.Extent.ZMax);
sldPlaneHeight.Minimum = Convert.ToInt32(pTin.Extent.ZMin);
}
else
{
IRasterSurface pRasterSurface = m_SurFace as IRasterSurface;
IRasterStatistics pRasterStatistic = pRasterSurface.RasterBand.Statistics;
sldPlaneHeight.Maximum = Convert.ToInt32(pRasterStatistic.Maximum);
sldPlaneHeight.Minimum = Convert.ToInt32(pRasterStatistic.Minimum);
}
double Vale = sldPlaneHeight.Maximum + sldPlaneHeight.Minimum;
Vale = Vale / 2;
txtPlaneHeight.Text = Vale.ToString();
Vale = Convert.ToDouble(txtPlaneHeight.Text);
sldPlaneHeight.Value = Convert.ToInt32(Vale);
}
else
{
double zrange;
zrange = m_StaPolygon.Envelope.ZMax - m_StaPolygon.Envelope.ZMin;
sldPlaneHeight.Maximum = Convert.ToInt32(m_StaPolygon.Envelope.ZMax + zrange);
sldPlaneHeight.Minimum = Convert.ToInt32(m_StaPolygon.Envelope.ZMin);
sldPlaneHeight.Value = Convert.ToInt32(Math.Round(m_StaPolygon.Envelope.ZMin + (zrange * 0.5)));
txtPlaneHeight.Text = sldPlaneHeight.Value.ToString();
}
sldPlaneHeight.Enabled = true;
btncount.Enabled = true;
}
}
catch
{
return;
}
}
private ISurface GetSurfaceFromLayer(ILayer player)
{
try
{
IRasterLayer pRLayer;
I3DProperties p3DProp = null;
ILayerExtensions pLE;
IRasterSurface pSurface = null;;
ITinLayer pTLayer;
if (player is IRasterLayer)
{
pRLayer = player as IRasterLayer;
pLE = player as ILayerExtensions;
for (int i = 0; i <= pLE.ExtensionCount - 1; i++)
{
if (pLE.get_Extension(i) is I3DProperties)
{
p3DProp = pLE.get_Extension(i) as I3DProperties;
break;
}
}
if (p3DProp == null)
{
IRasterBandCollection pBands;
if (pRLayer.Raster != null)
{
pSurface = new RasterSurfaceClass();
pBands = pRLayer.Raster as IRasterBandCollection;
pSurface.RasterBand = pBands.Item(0);
}
return(pSurface as ISurface);
}
else
{
pSurface = p3DProp.BaseSurface as IRasterSurface;
}
return(pSurface as ISurface);
}
else
{
if (player is ITinLayer)
{
pTLayer = player as ITinLayer;
return(pTLayer.Dataset as ISurface);
}
}
return(null);
}
catch (Exception ex)
{
string g = ex.Message;
return(null);
}
}
/// <summary>
/// Occurs when this command is clicked
/// </summary>
public override void OnClick()
{
try
{
if (m_application == null)
{
return;
}
IDocument document = m_application.Document;
ISxDocument sxDocument = (ISxDocument)(document);
if (sxDocument != null)
{
m_scene = sxDocument.Scene;
}
if (m_scene == null)
{
return;
}
activeView = m_scene as IActiveView;
//有图层选图层
if (m_scene.LayerCount == 0)
{
return;
}
//选择基准面
if (Common.SelectLayer(m_scene.Layers, out SelectedLyrIndex, true, "选择自定义表面") == false)
{
return;
}
//QI
IRasterLayer baseRasterLayer = m_scene.Layer[SelectedLyrIndex[0]] as IRasterLayer; //不管选多少个只选第一个
if (baseRasterLayer == null)
{
throw new ArgumentNullException("自定义表面RasterLayer转换失败，为空。");
}
IRaster raster = baseRasterLayer.Raster;
if (raster == null)
{
throw new ArgumentNullException("自定义表面Raster转换失败，为空。");
}
IRasterSurface rasterSurface = new RasterSurfaceClass();
rasterSurface.PutRaster(raster, 0);
ISurface surface = rasterSurface as ISurface;
//选择图层
if (Common.SelectLayer(m_scene.Layers, out SelectedLyrIndex, false, "选择要进行偏移的图层") == false)
{
return;
}
//选择倍数
NumSelect MultiNS = new NumSelect("输入夸大倍数", true);
if (MultiNS.ShowDialog() != DialogResult.OK)
{
return;
}
double Multiplier = MultiNS.Result;
//选择偏移量
NumSelect NS = new NumSelect();
if (NS.ShowDialog() != DialogResult.OK)
{
return;
}
double Offset = NS.Result;
bool DisableCache = NS.DisableCache;
//Create a CancelTracker.
ITrackCancel pTrackCancel = new CancelTrackerClass();
//Create the ProgressDialog. This automatically displays the dialog
IProgressDialogFactory pProgDlgFactory = new ProgressDialogFactoryClass();
IProgressDialog2 pProDlg = pProgDlgFactory.Create(pTrackCancel, m_application.hWnd) as IProgressDialog2;
pProDlg.CancelEnabled = true;
pProDlg.Title = "正在进行自定义表面设置及偏移调整";
pProDlg.Description = "设置中，请稍候...";
pProDlg.Animation = esriProgressAnimationTypes.esriProgressSpiral;
IStepProgressor pStepPro = pProDlg as IStepProgressor;
pStepPro.MinRange = 0;
pStepPro.MaxRange = SelectedLyrIndex.Count;
pStepPro.StepValue = 1;
pStepPro.Message = "初始化中...";
bool bCont = true;
//对每一个选中的图层进行操作
for (int i = 0; i < SelectedLyrIndex.Count; i++)
{
//m_application.StatusBar.set_Message(0, i.ToString());
pStepPro.Message = "已完成(" + i.ToString() + "/" + SelectedLyrIndex.Count.ToString() + ")";
bCont = pTrackCancel.Continue();
if (!bCont)
{
break;
}
//选中一个栅格图层
IRasterLayer rasterLayer = m_scene.Layer[SelectedLyrIndex[i]] as IRasterLayer;
if (rasterLayer == null)
{
pStepPro.Message = "选中的图层非栅格图层...";
continue;
}
I3DProperties p3DProperties = null;
ILayerExtensions layerExtensions = rasterLayer as ILayerExtensions;
//遍历LayerExtensions找到I3DProperties
for (int j = 0; j < layerExtensions.ExtensionCount; j++)
{
if (layerExtensions.get_Extension(j) is I3DProperties)
{
p3DProperties = layerExtensions.get_Extension(j) as I3DProperties;
}
}
//设置I3DProperties
p3DProperties.ZFactor = Multiplier; //系数
p3DProperties.BaseOption = esriBaseOption.esriBaseSurface; //基准面浮动
p3DProperties.BaseSurface = surface; //基准面
p3DProperties.OffsetExpressionString = Offset.ToString(); //偏移常量
if (DisableCache)
{
p3DProperties.RenderMode = esriRenderMode.esriRenderImmediate; //直接从文件渲染
p3DProperties.RenderVisibility = esriRenderVisibility.esriRenderWhenStopped; //停止导航时渲染
}
p3DProperties.Apply3DProperties(rasterLayer);
}
pProDlg.HideDialog();
//==========================================
//刷新，不起作用
if (activeView == null)
{
throw new Exception("活动视图为空！ ");
}
if (m_sceneHookHelper.ActiveViewer == null)
{
throw new Exception("无活动视图！");
}
activeView.Refresh();
m_sceneHookHelper.ActiveViewer.Redraw(true);
//==========================================
}
catch (Exception err)
{
MessageBox.Show(err.ToString());
}
}
double GetElevation(IRaster pRaster, IPoint point)
{
IRasterSurface pRasterSurface = new RasterSurfaceClass();
pRasterSurface.PutRaster(pRaster, 0);
ISurface pSurface = pRasterSurface as ISurface;
return pSurface.GetElevation(point);
}
private ISurface GetSurfaceFromLayer(ILayer player)
{
try
{
IRasterLayer pRLayer;
I3DProperties p3DProp = null;
ILayerExtensions pLE;
IRasterSurface pSurface = null; ;
ITinLayer pTLayer;
if (player is IRasterLayer)
{
pRLayer = player as IRasterLayer;
pLE = player as ILayerExtensions;
for (int i = 0; i <= pLE.ExtensionCount - 1; i++)
{
if (pLE.get_Extension(i) is I3DProperties)
{
p3DProp = pLE.get_Extension(i) as I3DProperties;
break;
}
}
if (p3DProp == null)
{
IRasterBandCollection pBands;
if (pRLayer.Raster != null)
{
pSurface = new RasterSurfaceClass();
pBands = pRLayer.Raster as IRasterBandCollection;
pSurface.RasterBand = pBands.Item(0);
}
return pSurface as ISurface;
}
else
{
pSurface = p3DProp.BaseSurface as IRasterSurface;
}
return pSurface as ISurface;
}
else
{
if (player is ITinLayer)
{
pTLayer = player as ITinLayer;
return pTLayer.Dataset as ISurface;
}
}
return null;
}
catch (Exception ex)
{
string g = ex.Message;
return null;
}
}