private void textBoxXTIN_TextChanged(object sender, EventArgs e)
{
m_TINPath = textBoxXTIN.Text;
try
{
DirectoryInfo dir = Directory.CreateDirectory(m_TINPath);
IWorkspaceFactory pWSFact = new TinWorkspaceFactoryClass();
IWorkspace pWS = pWSFact.OpenFromFile(dir.Parent.FullName + @"\", 0);
ITinWorkspace pTinWS = pWS as ITinWorkspace;
ITin pTin = pTinWS.OpenTin(dir.Name);
m_pTin = pTin;
IEnvelope pExtent = pTin.Extent;
double dmaxextent = pExtent.Height;
if (pExtent.Width > pExtent.Height)
{
dmaxextent = pExtent.Width;
}
double cellsize = dmaxextent / 250;
doubleInputCellSize.Value = cellsize;
}
catch (SystemException ee)
{
//MessageBox.Show(ee.Message);
}
}
private void 生成等高线ToolStripMenuItem_Click(object sender, EventArgs e)
{
//获取TIN图层
ITinLayer pTinLayer = axSceneControl1.Scene.get_Layer(0) as ITinLayer;
ITin pTin = pTinLayer.Dataset as ITin;
string contourFileName = pTinLayer.Name + "_Contour";
string contourFileName_shp = WorkSpaceName + @"/" + contourFileName + ".shp";
if (System.IO.File.Exists(contourFileName_shp))
{
System.IO.File.Delete(contourFileName_shp);
System.IO.File.Delete(System.IO.Path.ChangeExtension(contourFileName_shp, ".dbf"));
System.IO.File.Delete(System.IO.Path.ChangeExtension(contourFileName_shp, ".shx"));
}
IFeatureClass contourFeatureClass = Create_ContourLine(pTin, WorkSpaceName, contourFileName);
//添加等高线图层
IFeatureLayer pFeatureLayer = new FeatureLayerClass();
pFeatureLayer.FeatureClass = contourFeatureClass;
IGeoFeatureLayer pGeoFeatureLayer = pFeatureLayer as IGeoFeatureLayer;
pGeoFeatureLayer.DisplayAnnotation = true;
pGeoFeatureLayer.DisplayField = "Contour";
pGeoFeatureLayer.Name = contourFileName + "_Contour";
//设置线样式
ILineSymbol pLineSymbol = new SimpleLineSymbolClass();
pLineSymbol.Color = Get_RGBColor(100, 50, 30);
pLineSymbol.Width = 2;
ISimpleRenderer pRender = pGeoFeatureLayer.Renderer as ISimpleRenderer;
pRender.Symbol = pLineSymbol as ISymbol;
axMapControl1.AddLayer(pFeatureLayer as ILayer);
}
/// <summary>
/// Occurs when this command is clicked
/// </summary>
public override void OnClick()
{
// TODO: Add CmdAddTinLayer.OnClick implementation
FolderBrowserDialog fdlg = new FolderBrowserDialog();
//fdlg.SelectedPath = @"C:\Users\Administrator\Desktop\sampleAnalysis\TIN\";
try
{
if (fdlg.ShowDialog() != DialogResult.OK)
{
return;
}
//FrmFolderDialog dlg = new FrmFolderDialog();
//dlg.DisplayDialog();
if (fdlg.SelectedPath != "")
{
// DirectoryInfo dir = Directory.CreateDirectory(dlg.Path);
DirectoryInfo dir = Directory.CreateDirectory(fdlg.SelectedPath);
IWorkspaceFactory pWSFact = new TinWorkspaceFactoryClass();
IWorkspace pWS = pWSFact.OpenFromFile(dir.Parent.FullName + @"\", 0);
ITinWorkspace pTinWS = pWS as ITinWorkspace;
ITin pTin = pTinWS.OpenTin(dir.Name);
//½«TIN±äΪTINͼ²ã
ITinLayer pTinLayer = new TinLayerClass();
pTinLayer.Dataset = pTin;
pTinLayer.Name = dir.Name;
IMapControl2 pMapCtr = (((IToolbarControl)m_hookHelper.Hook).Buddy) as IMapControl2;
pMapCtr.Map.AddLayer((ILayer)pTinLayer);
}
}
catch (SystemException ee)
{
MessageBox.Show(ee.Message);
}
}
private void comboBoxToraster_SelectedIndexChanged(object sender, EventArgs e)
{
if (comboBoxToraster.Items.Count > 0)
{
toraster_Name = comboBoxToraster.SelectedItem.ToString();
;
ILayer pLayer = GetLayerByName(ref fortraster_Name);
IWorkspace pSourceWorkspace;
if (pLayer is IRasterLayer)//读取RasterLayer的路径名和像元大小值
{
IRasterLayer pRasterLayer = pLayer as IRasterLayer;
IDataset pDataset = pRasterLayer as IDataset;
pSourceWorkspace = pDataset.Workspace;
toraster_Path = pSourceWorkspace.PathName;
toraster_Path = toraster_Path + toraster_Name;
}
else if (pLayer is ITinLayer)
{
ITinLayer pTinLayer = pLayer as ITinLayer;
ITin pTin = pTinLayer.Dataset;
IDataset pDataset = pTin as IDataset;
pSourceWorkspace = pDataset.Workspace;
toraster_Path = pSourceWorkspace.PathName;
toraster_Path = toraster_Path + "\\" + toraster_Name;
}
btnSure.Enabled = true;
}
else
{
btnSure.Enabled = false;
}
}
private void 建立TINToolStripMenuItem_Click(object sender, EventArgs e)
{
ILayer player = axMapControl1.get_Layer(0);
IFeatureLayer pFlayer = player as IFeatureLayer;
IFeatureClass pFClass = pFlayer.FeatureClass;
IField pField = pFClass.Fields.get_Field(pFClass.FindField("Z"));
ITin shp2TIN = Create_TIN(pFClass, pField);
ITinLayer pTinLayer = new TinLayerClass();
pTinLayer.Name = player.Name;
pTinLayer.Dataset = shp2TIN;
axSceneControl1.Scene.AddLayer(pTinLayer as ILayer, true);
axSceneControl1.Refresh();
}
private IFeatureClass Create_ContourLine(ITin pTin, string WorkSpaceName, string FileName)
{
int pInterval = 1;
IWorkspaceFactory contourWSF = new ShapefileWorkspaceFactoryClass();
IFeatureWorkspace contourFWS = (IFeatureWorkspace)contourWSF.OpenFromFile(WorkSpaceName, 0);
IFields pFields = CreateShapeFields(esriGeometryType.esriGeometryPolyline);
contourFWS.CreateFeatureClass(FileName, pFields, null, null, esriFeatureType.esriFTSimple, "Shape", null);
IFeatureClass pContourFeatureClass = contourFWS.OpenFeatureClass(FileName);
//生成等高线
ITinSurface pTinSurface = pTin as ITinSurface;
pTinSurface.Contour(0, pInterval, pContourFeatureClass, "Contour", 0);
return(pContourFeatureClass);
}
/// <summary>
/// TIN转DEM
/// </summary>
/// <param name="tin">TIN数据</param>
/// <param name="path">DEM数据</param>
/// <param name="pixelSize">像元大小</param>
public static void TIN2DEM(ITin tin, string path, double pixelSize)
{
Geoprocessor gp = new Geoprocessor();
gp.OverwriteOutput = true;
TinRaster tinRaster = new TinRaster();
tinRaster.in_tin = tin;
tinRaster.out_raster = path;
tinRaster.data_type = "FLOAT";
tinRaster.method = "NATURAL_NEIGHBORS";
tinRaster.sample_distance = "CELLSIZE " + pixelSize;
tinRaster.z_factor = 1;
gp.Execute(tinRaster, null);
}
public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
// TODO: Add ToolModefyTINNode.OnMouseDown implementation
ITin pTin = pTinLayer.Dataset;
ITinEdit pTinEdit = pTin as ITinEdit;
frmModifyNode.m_pTinEdit = pTinEdit;
frmModifyNode.m_pTinNode = pNode;
frmModifyNode.setDoubleInputValue(pNode.Z);
frmModifyNode.setBttonEnable(true);
IMapControl2 pMapCtr = (((IToolbarControl)m_hookHelper.Hook).Buddy) as IMapControl2;
frmModifyNode.m_pMapCtr = pMapCtr;
pMovePtFeedBack.Stop();
//IPoint pt = new PointClass();
//pMovePtFeedBack.Start(pt, pt);
}
public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
// TODO: Add ToolDeleteTINNode.OnMouseDown implementation
ITin pTin = pTinLayer.Dataset;
ITinEdit pTinEdit = pTin as ITinEdit;
pTinEdit.DeleteNode(pNode.Index);
IMapControl2 pMapCtr = (((IToolbarControl)m_hookHelper.Hook).Buddy) as IMapControl2;
if (pMapCtr != null)
{
pMapCtr.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
}
pMovePtFeedBack.Stop();
IPoint pt = new PointClass();
pMovePtFeedBack.Start(pt, pt);
}
public override void OnDblClick()
{
base.OnDblClick();
ITin pTin = pTinLayer.Dataset;
ITinEdit pTinEdit = pTin as ITinEdit;
frmAddTINPlane.pTinEdit = pTinEdit;
if (mNewPolygonFeedback != null)
{
IPolygon polygon = mNewPolygonFeedback.Stop();
frmAddTINPlane.pGeometry = polygon;
frmAddTINPlane.setButtonOkEnable(true);
frmAddTINPlane.CalPlaneHeight();
IMapControl2 pMapCtr = (((IToolbarControl)m_hookHelper.Hook).Buddy) as IMapControl2;
frmAddTINPlane.pMapCtr = pMapCtr;
mNewPolygonFeedback = null;
}
}
private void comboBoxOpen_SelectedIndexChanged(object sender, EventArgs e)//选择图层并自动设置默认输出像元大小及图层路径
{
if (comboBoxOpen.Items.Count > 0)
{
txtSave.Text = "";
txtCellSize.Text = "0.02";
fileName = comboBoxOpen.SelectedItem.ToString();
ILayer pLayer = GetLayerByName(ref fileName);
//去除不可用的数据 ZQ 20110907
if (pLayer.Valid)
{
return;
}
IWorkspace pSourceWorkspace;
if (pLayer is IRasterLayer)//读取RasterLayer的路径名和像元大小值
{
IRasterLayer pRasterLayer = pLayer as IRasterLayer;
IRaster pRaster = pRasterLayer.Raster;
IRasterAnalysisProps pRasterAnalysisProps = (IRasterAnalysisProps)pRaster;
double pixH = pRasterAnalysisProps.PixelHeight;
txtCellSize.Text = Convert.ToString(pixH);
IDataset pDataset = pRasterLayer as IDataset;
pSourceWorkspace = pDataset.Workspace;
filePath = pSourceWorkspace.PathName;
filePath = filePath + fileName;
}
else if (pLayer is ITinLayer)//读取TIN数据的路径信息
{
ITinLayer pTinLayer = pLayer as ITinLayer;
ITin pTin = pTinLayer.Dataset;
IDataset pDataset = pTin as IDataset;
pSourceWorkspace = pDataset.Workspace;
filePath = pSourceWorkspace.PathName;
filePath = filePath + "\\" + fileName;
}
btnSure.Enabled = true;
}
else
{
btnSure.Enabled = false;
}
}
/// <summary>
/// 加载栅格图层
/// </summary>
private void AddTinFile()
{
this.Cursor = Cursors.WaitCursor;
IWorkspaceFactory pWorkspaceFactory = new TinWorkspaceFactoryClass();
IWorkspace pWorkspace = pWorkspaceFactory.OpenFromFile(m_Path, 0);
ITinWorkspace pTinWorkspace = pWorkspace as ITinWorkspace;
//声明一个pTin变量, 存储所打开的"tin"
ITin pTin = pTinWorkspace.OpenTin("tin");
//将TIN变为TIN图层
ITinLayer pTinLayer = new TinLayerClass();
pTinLayer.Dataset = pTin;
pTinLayer.Name = "TIN";
//也可以用三维空间AxSceneControl加载
axSceneControl1.Scene.AddLayer(pTinLayer, true);
//this.axMapControl1.AddLayer(pTinLayer);
this.Cursor = Cursors.Default;
}
public override void OnDblClick()
{
ITin pTin = pTinLayer.Dataset;
ITinEdit pTinEdit = pTin as ITinEdit;
if (mNewPolygonFeedback != null)
{
IPolygon polygon = mNewPolygonFeedback.Stop();
ITinSelection tinselection = pTinEdit as ITinSelection;
tinselection.SelectByArea(esriTinElementType.esriTinNode, polygon, true, true, esriTinSelectionType.esriTinSelectionAdd);
pTinEdit.DeleteSelectedNodes();
mNewPolygonFeedback = null;
IMapControl2 pMapCtr = (((IToolbarControl)m_hookHelper.Hook).Buddy) as IMapControl2;
if (pMapCtr != null)
{
pMapCtr.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
}
}
base.OnDblClick();
}
public override void OnMouseMove(int Button, int Shift, int X, int Y)
{
// TODO: Add ToolModefyTINNode.OnMouseMove implementation
ITin pTin = pTinLayer.Dataset;
ITinEdit pTinEdit = pTin as ITinEdit;
ITinAdvanced pTinAdvanced = (ITinAdvanced)pTin;
IMapControl2 pMapCtr = (((IToolbarControl)m_hookHelper.Hook).Buddy) as IMapControl2;
if (pMapCtr != null)
{
IPoint mapPoint = pMapCtr.ToMapPoint(X, Y);
ITinNode pTINNode = new TinNodeClass();
double distance = 0;
pTinAdvanced.QueryNearestNode(mapPoint, pTINNode, ref distance);
pNode = pTINNode;
IPoint pt = new PointClass();
pt.PutCoords(pNode.X, pNode.Y);
pMovePtFeedBack.MoveTo(pt);
}
}
/// <summary>
/// Occurs when this command is clicked
/// </summary>
public override void OnClick()
{
// TODO: Add CmdTinSaveAs.OnClick implementation
SaveFileDialog dlg = new SaveFileDialog();
dlg.Filter = "";
if (dlg.ShowDialog() == DialogResult.OK)
{
ITin pTin = pTinLayer.Dataset;
ITinEdit pTinEdit = pTin as ITinEdit;
try
{
object ob = true;
pTin.SaveAs(dlg.FileName, ref ob);
MessageBox.Show("±£´æ" + dlg.FileName + "³É¹¦£¡");
}
catch (SystemException ee)
{
MessageBox.Show(ee.Message);
}
}
}
private void comboBoxOpenraster_SelectedIndexChanged(object sender, EventArgs e)
{
if (comboBoxOpenraster.Items.Count > 0)
{
fileName_raster = comboBoxOpenraster.SelectedItem.ToString();
ILayer pLayer = GetLayerByName(ref fileName_raster);
IWorkspace pSourceWorkspace;
if (pLayer is IRasterLayer)//读取RasterLayer的路径名和像元大小值
{
IRasterLayer pRasterLayer = pLayer as IRasterLayer;
IRaster pRaster = pRasterLayer.Raster;
IRasterAnalysisProps pRasterAnalysisProps = (IRasterAnalysisProps)pRaster;
double pixH = pRasterAnalysisProps.PixelHeight;
txtCellSize.Text = Convert.ToString(pixH);
IDataset pDataset = pRasterLayer as IDataset;
pSourceWorkspace = pDataset.Workspace;
filePath_raster = pSourceWorkspace.PathName;
filePath_raster = filePath_raster + fileName_raster;
}
else if (pLayer is ITinLayer)
{
ITinLayer pTinLayer = pLayer as ITinLayer;
ITin pTin = pTinLayer.Dataset;
IDataset pDataset = pTin as IDataset;
pSourceWorkspace = pDataset.Workspace;
filePath_raster = pSourceWorkspace.PathName;
filePath_raster = filePath_raster + "\\" + fileName_raster;
}
btnSure.Enabled = true;
}
else
{
btnSure.Enabled = false;
btnSure.ForeColor = Color.Black;
}
}
private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
if (this.comboBox1.SelectedItem.ToString() != "")
{
for (int i = 0; i < m_mapControl.LayerCount; i++)
{
if (m_mapControl.get_Layer(i).Name == this.comboBox1.SelectedItem.ToString())
{
m_tin = ((ITinLayer)m_mapControl.get_Layer(i)).Dataset;
this.label6.Text = m_tin.Extent.ZMin.ToString() + "——" + m_tin.Extent.ZMax.ToString() + "米";
}
}
}
else
{
m_tin = null;
this.label6.Text = "";
}
this.label7.Text = "";
this.label8.Text = "";
this.textBox1.Text = "0";
this.textBox2.Text = "";
}
private void mapCtlMain_OnMouseMove(object sender, IMapControlEvents2_OnMouseMoveEvent e)
{
if (m_bEditNode)
{
m_editor.EditFeatureMouseMove(e.x, e.y);
}
ILayer lyr;
for (int i = 0; i < this.mapCtlMain.LayerCount; i++)
{
lyr = this.mapCtlMain.get_Layer(i);
if (lyr is ITinLayer)
{
this.m_tin = ((ITinLayer)lyr).Dataset;
}
}
if (m_tin != null)
{
IPoint point = new PointClass();
point.X = e.mapX;
point.Y = e.mapY;
ISurface sur = m_tin as ISurface;
double z = sur.GetElevation(point);
string zStr = ",Z=" + z.ToString("#######.##");
this.StatusBar.Panels[2].Text = string.Format("{0}, {1} {2} {3}", "X=" + e.mapX.ToString("#######.##"), "Y=" + e.mapY.ToString("#######.##"), zStr, this.mapCtlMain.MapUnits.ToString().Substring(4));
}
else
{
this.StatusBar.Panels[2].Text = string.Format("{0}, {1} {2}", "X=" + e.mapX.ToString("#######.##"), "Y=" + e.mapY.ToString("#######.##"), this.mapCtlMain.MapUnits.ToString().Substring(4));
}
string XN = e.mapX.ToString();
string YE = e.mapY.ToString();
this.PlanarToGeoCoor(ref XN, ref YE);
this.StatusBar.Panels[3].Text = YE + " N " + XN + " E";
}
private void Tin2Contour(ITin pTin,IFeatureClass pFeatureClass)
{
ITinSurface pTinSurface = pTin as ITinSurface;
//不要启动编辑，因为这个接口会在要素类中添加字段
pTinSurface.Contour(0, 2, pFeatureClass, "Height", 0);
}
private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
if (this.comboBox1.SelectedItem.ToString() != "")
{
for (int i = 0; i < m_mapControl.LayerCount; i++)
{
if (m_mapControl.get_Layer(i).Name == this.comboBox1.SelectedItem.ToString())
{
m_tin = ((ITinLayer)m_mapControl.get_Layer(i)).Dataset;
this.label6.Text = m_tin.Extent.ZMin.ToString() + "——" + m_tin.Extent.ZMax.ToString()+"米";
}
}
}
else
{
m_tin = null;
this.label6.Text = "";
}
this.label7.Text = "";
this.label8.Text = "";
this.textBox1.Text = "0";
this.textBox2.Text = "";
}
/// <summary>
/// 整体边长标准差(全局)
/// </summary>
/// <param name="tin"></param>
/// <param name="globalMean"></param>
/// <returns></returns>
private double GlobalStDev(ITin tin, double globalMean)
{
double a = 0;
ITinAdvanced tinAdvanced = tin as ITinAdvanced;
int edgeCount = tinAdvanced.EdgeCount;
// int edgeCount = tinAdvanced.DataEdgeCount;
for (int i = 1; i <= edgeCount; i++)
{
if (tinAdvanced.GetEdge(i).IsInsideDataArea)
{
ITinEdge tinEdge = tinAdvanced.GetEdge(i);
a = a + (globalMean - tinEdge.Length) * (globalMean - tinEdge.Length);
}
}
return System.Math.Sqrt(a / (double)tinAdvanced.DataEdgeCount);
}
/// <summary>
/// Delaunay三角网整体边长平均值(全局)
/// </summary>
/// <param name="tin"></param>
/// <returns></returns>
private double GlobalMean(ITin tin)
{
double length = 0;
ITinAdvanced tinAdvanced = tin as ITinAdvanced;
int edgeCount = tinAdvanced.EdgeCount;
for (int i = 1; i <= edgeCount; i++)
{
if (tinAdvanced.GetEdge(i).IsInsideDataArea)
length = length + tinAdvanced.GetEdge(i).Length;
}
return length / (double)tinAdvanced.DataEdgeCount;
}
/// <summary>
/// 创建TIN
/// </summary>
private void CreateDelaunay()
{
//创建TIN
IFeatureLayer featureLayer = m_dataInfo.GetInputLayer() as IFeatureLayer;
IFeatureClass featureClass = featureLayer.FeatureClass;
IField pField = featureClass.Fields.get_Field(0);
if (pField == null)
{
MessageBox.Show("创建Delaunay三角网失败");
return;
}
IGeoDataset pGeoDataset = featureClass as IGeoDataset;
IEnvelope pEnvelope = pGeoDataset.Extent;
pEnvelope.SpatialReference = pGeoDataset.SpatialReference;
ITinEdit pTinEdit = new TinClass();
pTinEdit.InitNew(pEnvelope);
object obj = Type.Missing;
pTinEdit.AddFromFeatureClass(featureClass, null, pField, null, esriTinSurfaceType.esriTinMassPoint, ref obj);
m_DT = pTinEdit as ITin;
//将所有点标识为噪声点
ITinAdvanced tinAdvanced = m_DT as ITinAdvanced;
for (int i = 0; i < tinAdvanced.NodeCount; i++)
{
m_nodeFlag.Add(-1);
}
}
/// <summary>
/// 创建泰森多边形
/// </summary>
/// <param name="pFeatureClass"></param>
/// <param name="pTin"></param>
void CreateVr(IFeatureClass pFeatureClass ,ITin pTin)
{
ITinNodeCollection pTinColl = pTin as ITinNodeCollection;
pTinColl.ConvertToVoronoiRegions(pFeatureClass, null, null, "", "");
}