//线构面
private static IPolygon PolylineToPolygon(ref IPolyline pPolyline)
{
try
{
//创建一个新的Polygon geometry.
IGeometryCollection pPolygonGeometryCol = new PolygonClass();
//克隆即将要操作的Polyline
IClone pClone = pPolyline as IClone;
IGeometryCollection pGeoms_Polyline = pClone.Clone() as IGeometryCollection;
object pBObj = Type.Missing;
object pAObj = Type.Missing;
for (int i = 0; i < pGeoms_Polyline.GeometryCount; i++)
{
//通过Polyline的每个Path创建为一个新的Ring,并把Ring增加到一个新的Polygon
ISegmentCollection pSegs_Ring = new RingClass();
pSegs_Ring.AddSegmentCollection(pGeoms_Polyline.get_Geometry(i) as ISegmentCollection);
pPolygonGeometryCol.AddGeometry(pSegs_Ring as IGeometry, ref pBObj, ref pAObj);
}
//生成的Polygon旋转的顺序可能不正确,为确保正确调用SimplifyPreserveFromTo
IPolygon pNewPolygon = new PolygonClass();
pNewPolygon = pPolygonGeometryCol as IPolygon;
pNewPolygon.SimplifyPreserveFromTo();
return(pNewPolygon);
}
catch
{
return(null);
}
}
//GradientFillSymbol
private void button15_Click(object sender, EventArgs e)
{
IGradientFillSymbol gradientFillSymbol = new GradientFillSymbolClass();
IAlgorithmicColorRamp algorithcColorRamp = new AlgorithmicColorRampClass();
algorithcColorRamp.FromColor = getRGB(255, 0, 0);
algorithcColorRamp.ToColor = getRGB(0, 255, 0);
algorithcColorRamp.Algorithm = esriColorRampAlgorithm.esriHSVAlgorithm;
gradientFillSymbol.ColorRamp = algorithcColorRamp;
gradientFillSymbol.GradientAngle = 45;
gradientFillSymbol.GradientPercentage = 0.9;
gradientFillSymbol.Style = esriGradientFillStyle.esriGFSLinear;
object Missing = Type.Missing;
IPolygon polygon = new PolygonClass();
IPointCollection pointCollection = polygon as IPointCollection;
IPoint point = new PointClass();
point.PutCoords(5, 5);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(5, 10);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(10, 10);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(10, 5);
pointCollection.AddPoint(point, ref Missing, ref Missing);
polygon.SimplifyPreserveFromTo();
IActiveView activeView = this.axMapControl1.ActiveView;
activeView.ScreenDisplay.StartDrawing(activeView.ScreenDisplay.hDC, (short)esriScreenCache.esriNoScreenCache);
activeView.ScreenDisplay.SetSymbol(gradientFillSymbol as ISymbol);
activeView.ScreenDisplay.DrawPolygon(polygon as IGeometry);
activeView.ScreenDisplay.FinishDrawing();
}
private IPolygon polylinetoPolygon(IPolyline pPolyline)
{
IPointCollection pPtC;
ESRI.ArcGIS.Geometry.IPoint pPt0, pPtn;
ESRI.ArcGIS.Geometry.ILine pSeg = new LineClass();
IPolygon polygon = new PolygonClass();
ISegmentCollection segmentCollection = (ISegmentCollection)pPolyline;
int segmentCount = segmentCollection.SegmentCount;
ISegmentCollection segmentCollection2 = (ISegmentCollection)polygon;
object value = Missing.Value;
object value2 = Missing.Value;
for (int i = 0; i < segmentCount; i++)
{
segmentCollection2.AddSegment(segmentCollection.get_Segment(i), ref value, ref value2);
}
if (!pPolyline.IsClosed)
{
pPtC = pPolyline as IPointCollection;
pPt0 = pPtC.get_Point(0);
polygon.ToPoint = pPt0;
//pPtn = pPtC.get_Point(pPtC.PointCount - 1);
//pSeg.PutCoords(pPtn, pPt0);
//segmentCollection2.AddSegment((ISegment)pSeg, ref value, ref value2);
}
polygon.SimplifyPreserveFromTo();
return(polygon);
}
//MultilayerFillSymbol
private void button17_Click(object sender, EventArgs e)
{
IMultiLayerFillSymbol multiLayerFillSymbol = new MultiLayerFillSymbolClass();
IGradientFillSymbol gradientFillSymbol = new GradientFillSymbolClass();
IAlgorithmicColorRamp algorithcColorRamp = new AlgorithmicColorRampClass();
algorithcColorRamp.FromColor = getRGB(255, 0, 0);
algorithcColorRamp.ToColor = getRGB(0, 255, 0);
algorithcColorRamp.Algorithm = esriColorRampAlgorithm.esriHSVAlgorithm;
gradientFillSymbol.ColorRamp = algorithcColorRamp;
gradientFillSymbol.GradientAngle = 45;
gradientFillSymbol.GradientPercentage = 0.9;
gradientFillSymbol.Style = esriGradientFillStyle.esriGFSLinear;
ICartographicLineSymbol cartoLine = new CartographicLineSymbol();
cartoLine.Cap = esriLineCapStyle.esriLCSButt;
cartoLine.Join = esriLineJoinStyle.esriLJSMitre;
cartoLine.Color = getRGB(255, 0, 0);
cartoLine.Width = 2;
//Create the LineFillSymbo
ILineFillSymbol lineFill = new LineFillSymbol();
lineFill.Angle = 45;
lineFill.Separation = 10;
lineFill.Offset = 5;
lineFill.LineSymbol = cartoLine;
multiLayerFillSymbol.AddLayer(gradientFillSymbol);
multiLayerFillSymbol.AddLayer(lineFill);
object Missing = Type.Missing;
IPolygon polygon = new PolygonClass();
IPointCollection pointCollection = polygon as IPointCollection;
IPoint point = new PointClass();
point.PutCoords(5, 5);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(5, 10);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(10, 10);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(10, 5);
pointCollection.AddPoint(point, ref Missing, ref Missing);
polygon.SimplifyPreserveFromTo();
IActiveView activeView = this.axMapControl1.ActiveView;
activeView.ScreenDisplay.StartDrawing(activeView.ScreenDisplay.hDC, (short)esriScreenCache.esriNoScreenCache);
activeView.ScreenDisplay.SetSymbol(multiLayerFillSymbol as ISymbol);
activeView.ScreenDisplay.DrawPolygon(polygon as IGeometry);
activeView.ScreenDisplay.FinishDrawing();
}
private bool RedrawHengChuanPolygon(TunnelHChuan entity)
{
//找到导线点图层
IMap map = new MapClass();
map = DataEditCommon.g_pMap;
var layerName = LayerNames.DEFALUT_HENGCHUAN; //“默认_导线点”图层
IFeatureLayer featureLayer = new FeatureLayerClass();
featureLayer = LayerHelper.GetLayerByName(map, layerName); //获得图层
if (featureLayer == null)
{
MessageBox.Show("没有找到" + layerName + "图层，将不能绘制导线点。", "提示", MessageBoxButtons.OK);
return(false);
}
var point1 = new PointClass {
X = entity.X1, Y = entity.Y1, Z = entity.Z1, ZAware = true
};
var point2 = new PointClass {
X = entity.X2, Y = entity.Y2, Z = entity.Z2, ZAware = true
};
var line = new LineClass {
FromPoint = point1, ToPoint = point2
};
var polygon = new PolygonClass {
ZAware = true
};
var width = entity.Width / 2;
polygon.AddPoint(ConstructPoint(point2, line.Angle / Deg2Rad + 90, width));
polygon.AddPoint(ConstructPoint(point2, line.Angle / Deg2Rad - 90, width));
polygon.AddPoint(ConstructPoint(point1, line.Angle / Deg2Rad + 180 + 90, width));
polygon.AddPoint(ConstructPoint(point1, line.Angle / Deg2Rad + 180 - 90, width));
polygon.SimplifyPreserveFromTo();
var list = new List <ziduan>
{
new ziduan("BID", entity.Id.ToString()),
new ziduan("BID0", entity.TunnelId1.ToString()),
new ziduan("BID1", entity.TunnelId2.ToString()),
new ziduan("NAME", entity.NameHChuan)
};
var feature = DataEditCommon.ModifyFeature(featureLayer, entity.Id, polygon, list);
return(feature != null);
}
public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
if (m_hookHelper == null)
{
return;
}
if (Button == 4 || Button == 2)
{
return;
}
IActiveView pAv = m_hookHelper.ActiveView;
IMapControl2 pMapCtl = m_hookHelper.Hook as IMapControl2;
IPolygon pPoly = new PolygonClass();
IPointCollection polylinePointCollection = new PolygonClass();
pPoly.SpatialReference = pMapCtl.SpatialReference;
IEnvelope pGeo = pMapCtl.TrackRectangle();
object missing = Type.Missing;
IPoint pPoint = new PointClass();
pPoint.PutCoords(pGeo.XMin, pGeo.YMin);
polylinePointCollection.AddPoint(pPoint, ref missing, ref missing);
pPoint.PutCoords(pGeo.XMin, pGeo.YMax);
polylinePointCollection.AddPoint(pPoint, ref missing, ref missing);
pPoint.PutCoords(pGeo.XMax, pGeo.YMax);
polylinePointCollection.AddPoint(pPoint, ref missing, ref missing);
pPoint.PutCoords(pGeo.XMax, pGeo.YMin);
polylinePointCollection.AddPoint(pPoint, ref missing, ref missing);
pPoly = polylinePointCollection as IPolygon;
pPoly.SimplifyPreserveFromTo();
if (pPoly == null)
{
return;
}
//drawgeometryXOR(pGeo);
frm = new frmAreaStatistics();
pPoly.SpatialReference = pMapCtl.SpatialReference; //added by chulili 2013-02-28 到这里为止，pPoly的空间参考变成null了，再赋值一次
frm.CurGeometry = pPoly as IGeometry;
frm.FormClosed += new FormClosedEventHandler(frm_FormClosed);
frm.CurMap = m_hookHelper.Hook as IMapControlDefault;
frm.InitFrm();
frm.SetSliderValue(true);
frm.ShowDialog();
}
//MarkerFillSymbol
private void button14_Click(object sender, EventArgs e)
{
IArrowMarkerSymbol arrowMarkerSymbol = new ArrowMarkerSymbolClass();
IRgbColor rgbColor = getRGB(255, 0, 0);
arrowMarkerSymbol.Color = rgbColor as IColor;
arrowMarkerSymbol.Length = 10;
arrowMarkerSymbol.Width = 10;
arrowMarkerSymbol.Style = esriArrowMarkerStyle.esriAMSPlain;
IMarkerFillSymbol markerFillSymbol = new MarkerFillSymbolClass();
markerFillSymbol.MarkerSymbol = arrowMarkerSymbol;
rgbColor = getRGB(0, 255, 0);
markerFillSymbol.Color = rgbColor;
markerFillSymbol.Style = esriMarkerFillStyle.esriMFSGrid;
IFillProperties fillProperties = markerFillSymbol as IFillProperties;
fillProperties.XOffset = 2;
fillProperties.YOffset = 2;
fillProperties.XSeparation = 15;
fillProperties.YSeparation = 20;
object Missing = Type.Missing;
IPolygon polygon = new PolygonClass();
IPointCollection pointCollection = polygon as IPointCollection;
IPoint point = new PointClass();
point.PutCoords(5, 5);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(5, 10);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(10, 10);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(10, 5);
pointCollection.AddPoint(point, ref Missing, ref Missing);
polygon.SimplifyPreserveFromTo();
IActiveView activeView = this.axMapControl1.ActiveView;
activeView.ScreenDisplay.StartDrawing(activeView.ScreenDisplay.hDC, (short)esriScreenCache.esriNoScreenCache);
activeView.ScreenDisplay.SetSymbol(markerFillSymbol as ISymbol);
activeView.ScreenDisplay.DrawPolygon(polygon as IGeometry);
activeView.ScreenDisplay.FinishDrawing();
}
private void EnvelopeToPolygon(IEnvelope ev) //把envelope变为polygon
{
IRing ring = new RingClass();
object missing1 = Type.Missing;
object missing2 = Type.Missing;
(ring as IPointCollection).AddPoint(ev.LowerLeft, ref missing1, ref missing2);
(ring as IPointCollection).AddPoint(ev.UpperLeft, ref missing1, ref missing2);
(ring as IPointCollection).AddPoint(ev.UpperRight, ref missing1, ref missing2);
(ring as IPointCollection).AddPoint(ev.LowerRight, ref missing1, ref missing2);
(ring as IPointCollection).AddPoint(ev.LowerLeft, ref missing1, ref missing2);
ring.Close();
IPolygon p = new PolygonClass();
(p as IGeometryCollection).AddGeometry(ring, ref missing1, ref missing2);
p.SimplifyPreserveFromTo();
polygon = p as IPolygon;
}
/// <summary>
/// Convert a polyline feature to a polygon
/// </summary>
/// <param name="geom">IGeometry</param>
/// <returns>IPolygon</returns>
private IPolygon PolylineToPolygon(IGeometry geom)
{
//Build a polygon segment-by-segment.
IPolygon polygon = new PolygonClass();
Polyline polyLine = geom as Polyline;
ISegmentCollection polygonSegs = polygon as ISegmentCollection;
ISegmentCollection polylineSegs = polyLine as ISegmentCollection;
for (int i = 0; i < polylineSegs.SegmentCount; i++)
{
ISegment seg = polylineSegs.Segment[i];
polygonSegs.AddSegment(seg);
}
polygon.SimplifyPreserveFromTo();
return(polygon);
}
//PictureFillSymbol
private void button16_Click(object sender, EventArgs e)
{
IPictureFillSymbol pictureFillSymbol = new PictureFillSymbolClass();
//创建图片符号
//string fileName = @"E:\vs2005\第五章\lesson2\lesson2\data\qq.bmp";
string path = Directory.GetCurrentDirectory();
string fileName = path + @"\qq.bmp";
pictureFillSymbol.CreateFillSymbolFromFile(esriIPictureType.esriIPictureBitmap, fileName);
pictureFillSymbol.Color = getRGB(0, 255, 0);
ISimpleLineSymbol simpleLineSymbol = new SimpleLineSymbolClass();
simpleLineSymbol.Style = esriSimpleLineStyle.esriSLSDashDotDot;
simpleLineSymbol.Color = getRGB(255, 0, 0);
ISymbol symbol = pictureFillSymbol as ISymbol;
symbol.ROP2 = esriRasterOpCode.esriROPNotXOrPen;
pictureFillSymbol.Outline = simpleLineSymbol;
pictureFillSymbol.Angle = 45;
object Missing = Type.Missing;
IPolygon polygon = new PolygonClass();
IPointCollection pointCollection = polygon as IPointCollection;
IPoint point = new PointClass();
point.PutCoords(5, 5);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(5, 10);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(10, 10);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(10, 5);
pointCollection.AddPoint(point, ref Missing, ref Missing);
polygon.SimplifyPreserveFromTo();
IActiveView activeView = this.axMapControl1.ActiveView;
activeView.ScreenDisplay.StartDrawing(activeView.ScreenDisplay.hDC, (short)esriScreenCache.esriNoScreenCache);
activeView.ScreenDisplay.SetSymbol(pictureFillSymbol as ISymbol);
activeView.ScreenDisplay.DrawPolygon(polygon as IGeometry);
activeView.ScreenDisplay.FinishDrawing();
}
/// <summary>
/// 重新构造面对象
/// </summary>
/// <param name="pPolygon"></param>
/// <returns></returns>
public static PolygonClass ReNew(IPolygon geo)
{
object obj = Type.Missing;
PolygonClass p = null;
IRing[] ExtRingArray = GetExteriorRings(geo as IPolygon4);
if (ExtRingArray != null && ExtRingArray.Length > 0)
{
p = new PolygonClass();
foreach (IRing r in ExtRingArray)
{
p.AddGeometry(r, ref obj, ref obj);
foreach (IRing ir in GetInteriorRingsByExterior(r, geo))
{
p.AddGeometry(ir, ref obj, ref obj);
}
}
p.SimplifyPreserveFromTo();
}
return(p);
}
//SimpleFillSymbol
private void button12_Click(object sender, EventArgs e)
{
//简单填充符号
ISimpleFillSymbol simpleFillSymbol = new SimpleFillSymbolClass();
simpleFillSymbol.Style = esriSimpleFillStyle.esriSFSSolid;
simpleFillSymbol.Color = getRGB(255, 0, 0);
//创建边线符号
ISimpleLineSymbol simpleLineSymbol = new SimpleLineSymbolClass();
simpleLineSymbol.Style = esriSimpleLineStyle.esriSLSDashDotDot;
simpleLineSymbol.Color = getRGB(0, 255, 0);
simpleLineSymbol.Width = 10;
ISymbol symbol = simpleLineSymbol as ISymbol;
symbol.ROP2 = esriRasterOpCode.esriROPNotXOrPen;
simpleFillSymbol.Outline = simpleLineSymbol;
//创建面对象
object Missing = Type.Missing;
IPolygon polygon = new PolygonClass();
IPointCollection pointCollection = polygon as IPointCollection;
IPoint point = new PointClass();
point.PutCoords(5, 5);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(5, 10);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(10, 10);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(10, 5);
pointCollection.AddPoint(point, ref Missing, ref Missing);
polygon.SimplifyPreserveFromTo();
IActiveView activeView = this.axMapControl1.ActiveView;
activeView.ScreenDisplay.StartDrawing(activeView.ScreenDisplay.hDC, (short)esriScreenCache.esriNoScreenCache);
activeView.ScreenDisplay.SetSymbol(simpleFillSymbol as ISymbol);
activeView.ScreenDisplay.DrawPolygon(polygon as IGeometry);
activeView.ScreenDisplay.FinishDrawing();
}
//LineFillSymbol
private void button13_Click(object sender, EventArgs e)
{
ICartographicLineSymbol cartoLine = new CartographicLineSymbol();
cartoLine.Cap = esriLineCapStyle.esriLCSButt;
cartoLine.Join = esriLineJoinStyle.esriLJSMitre;
cartoLine.Color = getRGB(255, 0, 0);
cartoLine.Width = 2;
//Create the LineFillSymbo
ILineFillSymbol lineFill = new LineFillSymbol();
lineFill.Angle = 45;
lineFill.Separation = 10;
lineFill.Offset = 5;
lineFill.LineSymbol = cartoLine;
object Missing = Type.Missing;
IPolygon polygon = new PolygonClass();
IPointCollection pointCollection = polygon as IPointCollection;
IPoint point = new PointClass();
point.PutCoords(5, 5);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(5, 10);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(10, 10);
pointCollection.AddPoint(point, ref Missing, ref Missing);
point.PutCoords(10, 5);
pointCollection.AddPoint(point, ref Missing, ref Missing);
polygon.SimplifyPreserveFromTo();
IActiveView activeView = this.axMapControl1.ActiveView;
activeView.ScreenDisplay.StartDrawing(activeView.ScreenDisplay.hDC, (short)esriScreenCache.esriNoScreenCache);
activeView.ScreenDisplay.SetSymbol(lineFill as ISymbol);
activeView.ScreenDisplay.DrawPolygon(polygon as IGeometry);
activeView.ScreenDisplay.FinishDrawing();
}
private static IPolygon CreatePunchedSquarePolygon(
double xOffset, double yOffset, double sideLength,
int holes, int pointsPerPart, double z, int rotateSteps,
ISpatialReference sr)
{
var holesInXAndY = (int)Math.Round(Math.Sqrt(holes));
var pointsPerSide = (int)Math.Round(pointsPerPart / 4.0);
IPolygon polygon = new PolygonClass();
polygon.SpatialReference = sr;
GeometryUtils.MakeZAware(polygon);
var geoColl = (IGeometryCollection)polygon;
object missing = Type.Missing;
// Create and add the outer ring
WKSPointZ[] pointArray = CreateSquare(xOffset, yOffset, sideLength,
pointsPerSide,
true,
z);
CollectionUtils.Rotate(pointArray, rotateSteps);
IRing ring = new RingClass();
GeometryUtils.SetWKSPointZs((IPointCollection4)ring, pointArray);
ring.Close();
geoColl.AddGeometry(ring, ref missing, ref missing);
// Create and add inner rings (= holes)
double innerSideLength = sideLength / (1 + (2 * holesInXAndY));
for (var i = 0; i < holesInXAndY; i++)
{
double llx = xOffset + (innerSideLength + 2 * i * innerSideLength);
for (var j = 0; j < holesInXAndY; j++)
{
double lly = yOffset + (innerSideLength + 2 * j * innerSideLength);
pointArray =
CreateSquare(llx, lly, innerSideLength, pointsPerSide, false, z);
CollectionUtils.Rotate(pointArray, rotateSteps);
ring = new RingClass();
GeometryUtils.SetWKSPointZs((IPointCollection4)ring, pointArray);
ring.Close();
geoColl.AddGeometry(ring, ref missing, ref missing);
}
}
geoColl.GeometriesChanged();
polygon.SimplifyPreserveFromTo();
// We closed each ring: poly must be closed too!
Assert.IsTrue(polygon.IsClosed);
return(polygon);
}
//
//输出外环面 shape
public bool OutPutPolygonExteriorRing(IFeatureClass featclass, string outShapeFilePath, bool IsGetExtRingOfHaveInnerRing)
{
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
ISpatialReference sr = (featclass as IGeoDataset).SpatialReference;
shpOp.ShapeSpatialReference = sr;
//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;
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();
object refobj = Type.Missing;
IPolygon s_p = null;
IRing[] ExtRingArray = null;
IRing[] InnerRingArray = null;
IFeatureCursor featcur = Szhfeatclass.FeatureClass.Search(null, false);
IFeature feat = featcur.NextFeature();
while (feat != null)
{
fIndex += 1;
if (fIndex % 200 == 0)
{
pb.Caption1.Text = "已输出要素个数:" + fIndex.ToString() + "/总" + tmpFCount.ToString();
pb.progressBar1.Value = fIndex;
Application.DoEvents();
featCurInsert.Flush();
}
s_p = feat.ShapeCopy as IPolygon;
//获取外环面几何对象
ExtRingArray = PolygonHelper.GetExteriorRings(s_p);
if (ExtRingArray != null && ExtRingArray.Length > 0)
{
foreach (IRing r in ExtRingArray)
{
if (IsGetExtRingOfHaveInnerRing == true)
{
InnerRingArray = PolygonHelper.GetInteriorRingsByExterior(r, s_p);
if (InnerRingArray != null && InnerRingArray.Length > 0)
{ //有内环
//外环构面并输出保存
DfeatBuffer = Dfeatclass.CreateFeatureBuffer();
PolygonClass pclass = new PolygonClass();
pclass.AddGeometry(r, ref refobj, ref refobj);
pclass.SimplifyPreserveFromTo();
pclass.SpatialReference = sr;
DfeatBuffer.Shape = pclass;
//拷贝属性数据
Szhfeat = new ZHFeaturePoint(feat);
Szhfeat.CopyField(ref DfeatBuffer);
featCurInsert.InsertFeature(DfeatBuffer);
//
}
}
else
{
//外环构面并输出保存
DfeatBuffer = Dfeatclass.CreateFeatureBuffer();
PolygonClass pclass = new PolygonClass();
pclass.AddGeometry(r, ref refobj, ref refobj);
pclass.SimplifyPreserveFromTo();
pclass.SpatialReference = sr;
DfeatBuffer.Shape = pclass;
//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);
}