protected override void OnClick()
{
try
{
string shpFilePath = string.Format(@"C:\temp\contour datas");
string shpFileName = "contour2.shp"; // height data
IWorkspaceFactory workspaceFactory = new ESRI.ArcGIS.DataSourcesFile.ShapefileWorkspaceFactoryClass();
IWorkspace workspace = workspaceFactory.OpenFromFile(shpFilePath, 0);
IFeatureWorkspace featureWorkspace = (IFeatureWorkspace)workspace;
IFeatureClass pFeatureClass = featureWorkspace.OpenFeatureClass(shpFileName);
IFeatureLayer pFeatureLayer = new FeatureLayerClass();
pFeatureLayer.FeatureClass = pFeatureClass;
IQueryFilter pQueryFilter = new QueryFilterClass();
pQueryFilter.WhereClause = "";
IEnvelope pEnv = pFeatureLayer.AreaOfInterest;
IGeoDataset pGDS = (IGeoDataset)pFeatureLayer.FeatureClass;
ISpatialReference pSR = pGDS.SpatialReference;
IGeometry pGeom = pEnv;
pGeom.Project(pSR);
ITinEdit pTinEdit = new TinClass();
pTinEdit.InitNew(pEnv);
IFields pFields = pFeatureClass.Fields;
IField pFiled = pFields.get_Field(pFields.FindField("HSL"));
object Missing = Type.Missing;
esriTinSurfaceType pTinSurface = esriTinSurfaceType.esriTinHardLine;
pTinEdit.AddFromFeatureClass(pFeatureClass, pQueryFilter, pFiled, pFiled, pTinSurface, ref Missing);
string outputFolderPath = @"C:\temp\Output\";
string tinFolderName = "tin_data";
pTinEdit.SaveAs(outputFolderPath + tinFolderName, ref Missing);
MessageBox.Show("end");
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message);
}
ArcMap.Application.CurrentTool = null;
}
/// <summary>
/// 创建Tin文件
/// </summary>
/// <param name="pFeatureClass">要素类</param>
private void CreateTinFromFeature(IFeatureClass pFeatureClass)
{
try
{
IGeoDataset pGeoDataset = pFeatureClass as IGeoDataset;
ESRI.ArcGIS.Geometry.IEnvelope pExtent = pGeoDataset.Extent;
pExtent.SpatialReference = pGeoDataset.SpatialReference;
//获得高程值
IFields pFields = pFeatureClass.Fields;
IField pHeightField;
pHeightField = pFields.get_Field(3);
ITinEdit pTinEdit = new TinClass();
pTinEdit.InitNew(pExtent);
object Missing = Type.Missing;
object pbUseShapeZ = Missing;
object pOverWrite = Missing;
pTinEdit.AddFromFeatureClass(pFeatureClass, null, pHeightField, null, esriTinSurfaceType.esriTinMassPoint, ref pbUseShapeZ);
pTinEdit.SaveAs(Application.StartupPath + "\\Convert\\TemTIN\\" + this.Random, ref pOverWrite);
pTinEdit.StopEditing(false);
CreateContourData(Application.StartupPath + "\\Convert\\TemTIN");
}
catch (Exception)
{
}
}
/// <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);
}
}
public static IGeometry GetExample15()
{
const double CircleDegrees = 360.0;
const int CircleDivisions = 36;
const double VectorComponentOffset = 0.0000001;
const double CircleRadius = 9.5;
const int PointCount = 100;
const double UpperZMin = 7;
const double UpperZMax = 10;
const double LowerZMin = 0;
const double LowerZMax = 3;
//Extrusion: Circle Shaped Base Geometry Extruded Between Two Different TIN-Based Functional Surfaces
IGeometryCollection multiPatchGeometryCollection = new MultiPatchClass();
//Base Geometry
IPointCollection polygonPointCollection = new PolygonClass();
IPoint originPoint = GeometryUtilities.ConstructPoint3D(0, 0, 0);
IVector3D upperAxisVector3D = GeometryUtilities.ConstructVector3D(0, 0, 10);
IVector3D lowerAxisVector3D = GeometryUtilities.ConstructVector3D(0, 0, -10);
lowerAxisVector3D.XComponent += VectorComponentOffset;
IVector3D normalVector3D = upperAxisVector3D.CrossProduct(lowerAxisVector3D) as IVector3D;
normalVector3D.Magnitude = CircleRadius;
double rotationAngleInRadians = GeometryUtilities.GetRadians(CircleDegrees / CircleDivisions);
for (int i = 0; i < CircleDivisions; i++)
{
normalVector3D.Rotate(-1 * rotationAngleInRadians, upperAxisVector3D);
IPoint vertexPoint = GeometryUtilities.ConstructPoint2D(originPoint.X + normalVector3D.XComponent,
originPoint.Y + normalVector3D.YComponent);
polygonPointCollection.AddPoint(vertexPoint, ref _missing, ref _missing);
}
IPolygon polygon = polygonPointCollection as IPolygon;
polygon.Close();
IGeometry baseGeometry = polygon as IGeometry;
ITopologicalOperator topologicalOperator = polygon as ITopologicalOperator;
topologicalOperator.Simplify();
//Functional Surfaces
IEnvelope envelope = new EnvelopeClass();
envelope.XMin = -10;
envelope.XMax = 10;
envelope.YMin = -10;
envelope.YMax = 10;
Random random = new Random();
//Upper Functional Surface
ITinEdit upperTinEdit = new TinClass();
upperTinEdit.InitNew(envelope);
for (int i = 0; i < PointCount; i++)
{
double x = envelope.XMin + (envelope.XMax - envelope.XMin) * random.NextDouble();
double y = envelope.YMin + (envelope.YMax - envelope.YMin) * random.NextDouble();
double z = UpperZMin + (UpperZMax - UpperZMin) * random.NextDouble();
IPoint point = GeometryUtilities.ConstructPoint3D(x, y, z);
upperTinEdit.AddPointZ(point, 0);
}
IFunctionalSurface upperFunctionalSurface = upperTinEdit as IFunctionalSurface;
//Lower Functional Surface
ITinEdit lowerTinEdit = new TinClass();
lowerTinEdit.InitNew(envelope);
for (int i = 0; i < PointCount; i++)
{
double x = envelope.XMin + (envelope.XMax - envelope.XMin) * random.NextDouble();
double y = envelope.YMin + (envelope.YMax - envelope.YMin) * random.NextDouble();
double z = LowerZMin + (LowerZMax - LowerZMin) * random.NextDouble();
IPoint point = GeometryUtilities.ConstructPoint3D(x, y, z);
lowerTinEdit.AddPointZ(point, 0);
}
IFunctionalSurface lowerFunctionalSurface = lowerTinEdit as IFunctionalSurface;
IConstructMultiPatch constructMultiPatch = new MultiPatchClass();
constructMultiPatch.ConstructExtrudeBetween(upperFunctionalSurface, lowerFunctionalSurface, baseGeometry);
return constructMultiPatch as IGeometry;
}
public static IGeometry GetExample14()
{
const int PointCount = 100;
const double ZMin = 0;
const double ZMax = 4;
//Extrusion: Square Shaped Base Geometry Extruded Between Single TIN-Based Functional Surface
IGeometryCollection multiPatchGeometryCollection = new MultiPatchClass();
//Base Geometry
IEnvelope envelope = new EnvelopeClass();
envelope.XMin = -10;
envelope.XMax = 10;
envelope.YMin = -10;
envelope.YMax = 10;
IGeometry baseGeometry = envelope as IGeometry;
//Upper Functional Surface
ITinEdit tinEdit = new TinClass();
tinEdit.InitNew(envelope);
Random random = new Random();
for (int i = 0; i < PointCount; i++)
{
double x = envelope.XMin + (envelope.XMax - envelope.XMin) * random.NextDouble();
double y = envelope.YMin + (envelope.YMax - envelope.YMin) * random.NextDouble();
double z = ZMin + (ZMax - ZMin) * random.NextDouble();
IPoint point = GeometryUtilities.ConstructPoint3D(x, y, z);
tinEdit.AddPointZ(point, 0);
}
IFunctionalSurface functionalSurface = tinEdit as IFunctionalSurface;
IConstructMultiPatch constructMultiPatch = new MultiPatchClass();
constructMultiPatch.ConstructExtrudeBetween(functionalSurface, functionalSurface, baseGeometry);
return constructMultiPatch as IGeometry;
}
/// <summary>
/// 根据生成的featureclass动态生成tin
/// </summary>
/// <params name="pFeatureClass"></params>
/// <params name="pField"></params>
/// <params name="pPath"></params>
/// <returns></returns>
private ITin CreateTin(IFeatureClass pFeatureClass, IField pField, string pPath)
{
IGeoDataset pGeoDataset = pFeatureClass as IGeoDataset;
ITinEdit pTinEdit = new TinClass();
pTinEdit.InitNew(pGeoDataset.Extent);
object pObj = Type.Missing;
pTinEdit.AddFromFeatureClass(pFeatureClass, null, pField, null, esriTinSurfaceType.esriTinMassPoint, ref pObj);
pTinEdit.SaveAs(pPath, ref pObj);
pTinEdit.Refresh();
return pTinEdit as ITin;
}
private void 打开TinToolStripMenuItem_Click(object sender, EventArgs e)
{
// ITinLayer pTinLayer = GetTINLayer(@".\data\IDW数据\dvtin");
ITinAdvanced2 pTin = new TinClass();
pTin.Init(@".\data\IDW数据\dvtin");
ITinLayer pTinLayer = new TinLayerClass();
pTinLayer.Dataset = pTin;
axMapControl1.Map.AddLayer(pTinLayer as ILayer);
}
