/// <summary>
/// 去掉图形中的Z值（高程值）
/// </summary>
/// <param name="geometry"></param>
public static void DropZs(this IGeometry geometry)
{
IZAware pZaware = geometry as IZAware;
pZaware.DropZs();
pZaware.ZAware = false;
}
public static void MakeZMAware(IGeometry igeometry_0, bool bool_0)
{
if (igeometry_0 is IZAware)
{
IZAware igeometry0 = igeometry_0 as IZAware;
if ((!igeometry0.ZAware ? false : !bool_0))
{
igeometry0.DropZs();
}
igeometry0.ZAware = bool_0;
}
if (igeometry_0 is IMAware)
{
IMAware bool0 = igeometry_0 as IMAware;
if ((!bool0.MAware ? false : !bool_0))
{
bool0.DropMs();
}
bool0.MAware = bool_0;
}
}
public static void MakeZMAware(IGeometry igeometry_0, bool bool_0)
{
if (igeometry_0 is IZAware)
{
IZAware iZAware = igeometry_0 as IZAware;
if (iZAware.ZAware && !bool_0)
{
iZAware.DropZs();
}
iZAware.ZAware = bool_0;
}
if (igeometry_0 is IMAware)
{
IMAware iMAware = igeometry_0 as IMAware;
if (iMAware.MAware && !bool_0)
{
iMAware.DropMs();
}
iMAware.MAware = bool_0;
}
}
//输出单个图层中所有要素集合到shp文件中功能 OK
public bool OutPut(IFeatureClass featclass, string outShapeFilePath)
{
bool rbc = false;
if (System.IO.File.Exists(outShapeFilePath) == true)
{ //输出Shape文件
LocalShapeFileOperator delshpOp = new LocalShapeFileOperator();
delshpOp.LocalShapePathFileName = outShapeFilePath;
delshpOp.DeleteShapeFile();
delshpOp.Dispose();
}
esriGeometryType geoType = featclass.ShapeType;
//创建新的Shape文件
LocalShapeFileOperator shpOp = new LocalShapeFileOperator();
shpOp.LocalShapePathFileName = outShapeFilePath;
string dir = shpOp.getDir(outShapeFilePath);
string name = shpOp.getFileName(outShapeFilePath);
ShapefileWorkspaceFactoryClass objwsf = new ShapefileWorkspaceFactoryClass();
IWorkspace objws = objwsf.OpenFromFile(dir, 0);
IFeatureWorkspace feaureWS = objws as IFeatureWorkspace;
//设置投影
shpOp.ShapeSpatialReference = (featclass as IGeoDataset).SpatialReference;
//设置shp文件的oid字段和几何字段
if (IsObjGeo == false)
{
if (featclass.HasOID == true)
{
this.OIDFieldName = featclass.OIDFieldName;
}
this.GeometryFieldName = featclass.ShapeFieldName;
}
shpOp.OIDFieldName = this.OIDFieldName;
shpOp.GeometryFieldName = this.GeometryFieldName;
//创建要素类
IFeatureClass fc = shpOp.CreateFeatureClass(feaureWS, name, esriFeatureType.esriFTSimple, geoType);
if (fc != null)
{
TokayWorkspace.ComRelease(fc);
fc = null;
rbc = true;
}
TokayWorkspace.ComRelease(objws);
feaureWS = null;
objws = null;
objwsf = null;
//拷贝字段结构
IFeatureClass Dfeatclass = shpOp.getIFeatureClass();
ZhFeatureClass Szhfeatclass = new ZhPointFeatureClass(featclass);
Szhfeatclass.CopyFieldsToObjectFeatureClass(Dfeatclass);
//拷贝几何对象和属性数据
ZhFeature Szhfeat = null;
IFeatureBuffer DfeatBuffer = null;
ZhFeature Dzhfeat = null;
IFeatureCursor featCurInsert = Dfeatclass.Insert(true);
//获取总要素个数
int fIndex = 0;
int tmpFCount = Szhfeatclass.FeatureClass.FeatureCount(null);
frmProgressBar1 pb = new frmProgressBar1();
pb.Text = "正在输出shp文件...";
pb.Caption1.Text = "正在输出shp文件...";
pb.progressBar1.Maximum = tmpFCount + 1;
pb.progressBar1.Value = 0;
pb.Show(this.ParentForm);
Application.DoEvents();
//
IGeometry geo = null;
//
IFeatureCursor featcur = Szhfeatclass.FeatureClass.Search(null, false);
IFeature feat = featcur.NextFeature();
while (feat != null)
{
fIndex += 1;
if (fIndex % 500 == 0)
{
pb.Caption1.Text = "已输出要素个数:" + fIndex.ToString() + "/总" + tmpFCount.ToString();
pb.progressBar1.Value = fIndex;
Application.DoEvents();
featCurInsert.Flush();
}
DfeatBuffer = Dfeatclass.CreateFeatureBuffer();
//拷贝几何对象
geo = feat.ShapeCopy;
//去掉Z值
IZAware pZaware = geo as IZAware;
if (pZaware.ZAware == true)
{
pZaware.DropZs();
pZaware.ZAware = false;
}
//
DfeatBuffer.Shape = geo;
//
//拷贝属性数据
Szhfeat = new ZHFeaturePoint(feat);
Szhfeat.CopyField(ref DfeatBuffer);
featCurInsert.InsertFeature(DfeatBuffer);
feat = featcur.NextFeature();
}
featCurInsert.Flush();
TokayWorkspace.ComRelease(featcur);
featcur = null;
TokayWorkspace.ComRelease(featCurInsert);
featCurInsert = null;
rbc = true;
pb.Close();
pb.Dispose();
pb = null;
return(rbc);
}