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276 lines
11 KiB
276 lines
11 KiB
using System; |
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using System.Collections.Generic; |
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using System.Data; |
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using ESRI.ArcGIS.Carto; |
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using ESRI.ArcGIS.esriSystem; |
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using ESRI.ArcGIS.Geodatabase; |
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using ESRI.ArcGIS.Geometry; |
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using KGIS.Framework.Utils; |
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using Kingo.Plugin.EngineEditor.helper; |
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namespace Kingo.Plugin.EngineEditor.Unit |
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{ |
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public class GeoOverCheck |
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{ |
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public static Dictionary<string, System.Data.DataTable> GetData(IGeometry geometry,IFeatureLayer featureLayer) |
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{ |
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Dictionary<string, System.Data.DataTable> list = new Dictionary<string, System.Data.DataTable>(); |
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try { |
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List<string> GeoOvercolumn = ConfigHelper.GetResultsCatalog(Unit.CheckTypeEnum.GeoOverInfor); |
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DataTable data = new DataTable(); |
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foreach (string name in GeoOvercolumn) |
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{ |
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data.Columns.Add(new System.Data.DataColumn(name, typeof(string))); |
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} |
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GetGeoOver(geometry, featureLayer,ref data); |
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list.Add("图斑压盖", data); |
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List<string> Checkcolumn = ConfigHelper.GetResultsCatalog(Unit.CheckTypeEnum.GeoCheckInfor); |
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DataTable table = new DataTable(); |
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foreach (string name in Checkcolumn) |
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{ |
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table.Columns.Add(new System.Data.DataColumn(name, typeof(string))); |
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} |
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GetGeoCheck(geometry, featureLayer,ref table); |
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list.Add("图形规范性", table); |
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return list; |
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} catch (Exception ex) |
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{ |
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LogAPI.Debug(ex); |
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return list; |
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} |
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} |
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public static void GetGeoOver(IGeometry pGeometry, IFeatureLayer featureLayer,ref DataTable dt) |
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{ |
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try { |
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IIdentify indentify = featureLayer as IIdentify; |
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if (indentify == null) |
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return ; |
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IArray pIDs = indentify.Identify(pGeometry); |
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if (pIDs == null || pIDs.Count == 0) |
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return; |
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for (int index = 0; index < pIDs.Count; index++) |
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{ |
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DataRow row = dt.NewRow(); |
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IFeatureIdentifyObj pFeatIdObj = pIDs.get_Element(index) as IFeatureIdentifyObj; |
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IRowIdentifyObject pRowObj = pFeatIdObj as IRowIdentifyObject; |
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IFeature iF = pRowObj.Row as IFeature; |
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foreach (DataColumn column in dt.Columns) |
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{ |
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int inde = iF.Fields.FindField(column.ColumnName); |
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if (inde > -1) |
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{ |
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row[column.ColumnName] = iF.Value[inde]; |
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} |
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} |
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dt.Rows.Add(row); |
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} |
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} catch (Exception ex) |
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{ |
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LogAPI.Debug(ex); |
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} |
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} |
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public static void GetGeoCheck(IGeometry pGeometry, IFeatureLayer featureLayer, ref DataTable dt) |
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{ |
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double minleng = 0; |
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double maxleng = 0; |
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double avgleng = 0; |
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double zc = 0; |
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IPolyline polyline = null; |
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IArea area = pGeometry as IArea; |
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double mj = area.Area; |
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try |
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{ |
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DataRow row = dt.NewRow(); |
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polyline= DealWithPolyline(pGeometry, ref minleng,ref maxleng,ref avgleng); |
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zc = polyline.Length; |
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row["检查项"] = "最小点间距"; |
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row["值"] = Math.Round(minleng, 2); |
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row["是否通过"] = minleng > 1 ? "通过":"不通过" ; |
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dt.Rows.Add(row); |
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row = dt.NewRow(); |
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row["检查项"] = "最大点间距"; |
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row["值"] = Math.Round(maxleng, 2); |
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row["是否通过"] = maxleng>70?"不通过":"通过"; |
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dt.Rows.Add(row); |
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row = dt.NewRow(); |
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row["检查项"] = "平均点间距"; |
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row["值"] = Math.Round(avgleng, 2); |
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row["是否通过"] = avgleng>1&&avgleng<50?"通过":"不通过"; |
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dt.Rows.Add(row); |
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row = dt.NewRow(); |
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row["检查项"] = "最小角度"; |
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double angle = 0; |
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angle = GetMinAngle(pGeometry); |
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row["值"] = Math.Round(angle, 2); |
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row["是否通过"] = angle < 15?"不通过":"通过" ; |
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dt.Rows.Add(row); |
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row = dt.NewRow(); |
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row["检查项"] = "面积"; |
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row["值"] = Math.Round(mj, 2); |
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row["是否通过"] = mj > 0?"通过":"不通过"; |
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dt.Rows.Add(row); |
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row = dt.NewRow(); |
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row["检查项"] = "狭长图斑"; |
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//row["是否通过"] = mj / (zc == 0D ? 1D : zc) > 20 ? "通过":"不通过" ; |
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row["是否通过"] = "通过"; |
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dt.Rows.Add(row); |
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} catch (Exception ex) |
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{ |
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LogAPI.Debug(ex); |
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} |
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finally |
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{ |
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//if (polyline != null) |
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//{ |
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// Marshal.ReleaseComObject(polyline); |
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//} |
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//if (area != null) |
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//{ |
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// Marshal.ReleaseComObject(area); |
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//} |
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} |
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} |
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private static IPolyline DealWithPolyline(IGeometry geometry,ref double MinLength,ref double MaxLength,ref double AvgLength) |
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{ |
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IPolygon polygon = geometry as IPolygon; |
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ISegmentCollection segmentCollction = polygon as ISegmentCollection; |
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ISegmentCollection polyline = new Polyline() as ISegmentCollection; |
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object missing = Type.Missing; |
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for (int m = 0; m < segmentCollction.SegmentCount; m++) |
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{ |
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ISegment pSeg = segmentCollction.get_Segment(m); |
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if (MinLength==0 || MaxLength==0) |
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{ |
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MinLength = pSeg.Length; |
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MaxLength = pSeg.Length; |
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} |
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else if (pSeg.Length>MaxLength) |
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{ |
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MaxLength = pSeg.Length; |
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} else if (pSeg.Length<MinLength) |
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{ |
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MinLength = pSeg.Length; |
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} |
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polyline.AddSegment(pSeg, ref missing, ref missing); |
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} |
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IPolyline pGeo = polyline as IPolyline; |
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AvgLength=pGeo.Length/segmentCollction.SegmentCount; |
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return pGeo; |
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} |
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/// <summary> |
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/// 获取要素的最小角度 |
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/// </summary> |
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/// <param name="geometry">要素</param> |
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/// <returns></returns> |
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public static double GetMinAngle(IGeometry pGeo) |
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{ |
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double rstAngle = -1; |
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try |
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{ |
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if (pGeo == null || pGeo.IsEmpty) |
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return rstAngle; |
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IPolygon4 poly4 = pGeo as IPolygon4; |
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ITopologicalOperator topo = poly4 as ITopologicalOperator; |
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if (topo != null) |
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{ |
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topo.Simplify(); |
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} |
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GeometryBag geoBag = poly4.ExteriorRingBag as GeometryBag; |
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if (geoBag == null) return rstAngle; |
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IGeometryCollection geoCollection = geoBag as IGeometryCollection; |
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List<IGeometry> rings = new List<IGeometry>(); |
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for (int j = 0; j < geoCollection.GeometryCount; j++) |
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{ |
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IGeometry geo = geoCollection.get_Geometry(j); |
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rings.Add(geo); |
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//内环图形 |
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IGeometryBag InteriorBag = (pGeo as ESRI.ArcGIS.Geometry.IPolygon4).get_InteriorRingBag(geo as IRing); |
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if (InteriorBag != null) |
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{ |
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IGeometryCollection InteriorRingGeometryCollection = InteriorBag as IGeometryCollection; |
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for (int IR = 0; IR < InteriorRingGeometryCollection.GeometryCount; IR++) |
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{ |
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rings.Add(InteriorRingGeometryCollection.get_Geometry(IR)); |
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} |
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} |
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} |
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foreach (IGeometry ring in rings) |
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{ |
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if (ring.IsEmpty) continue; |
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IPointCollection points = ring as IPointCollection; |
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int num = points.PointCount - 1; |
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for (int i = 0; i < num; i++) |
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{ |
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IPoint p1 = null; |
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IPoint p2 = points.get_Point(i); |
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IPoint p3 = null; |
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if (i == 0) |
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{ |
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p1 = points.get_Point(num - 1); |
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p3 = points.get_Point(i + 1); |
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} |
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else if (i == num - 1) |
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{ |
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p1 = points.get_Point(i - 1); |
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p3 = points.get_Point(0); |
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} |
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else |
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{ |
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p1 = points.get_Point(i - 1); |
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p3 = points.get_Point(i + 1); |
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} |
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double angle = GetAngle(p2, p1, p3); |
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if (rstAngle == -1) |
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{ |
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rstAngle = angle; |
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} |
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else |
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{ |
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if (rstAngle > angle) |
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{ |
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rstAngle = angle; |
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} |
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} |
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} |
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} |
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} |
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catch (Exception ex) |
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{ |
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throw ex; |
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} |
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return rstAngle; |
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} |
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public static double GetAngle(IPoint cenPoint, IPoint firstPoint, IPoint secondPoint) |
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{ |
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double ma_x = firstPoint.X - cenPoint.X; |
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double ma_y = firstPoint.Y - cenPoint.Y; |
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double mb_x = secondPoint.X - cenPoint.X; |
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double mb_y = secondPoint.Y - cenPoint.Y; |
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double v1 = (ma_x * mb_x) + (ma_y * mb_y); |
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double ma_val = Math.Sqrt(ma_x * ma_x + ma_y * ma_y); |
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double mb_val = Math.Sqrt(mb_x * mb_x + mb_y * mb_y); |
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if (ma_val * mb_val == 0) |
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{ |
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return -1; |
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} |
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double cosM = v1 / (ma_val * mb_val); |
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double angleAMB = Math.Acos(cosM) * 180 / Math.PI; |
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return angleAMB; |
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} |
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} |
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}
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