public virtual IGeometry IntersectsMuliDim(IGeometry byGeo, IGeometry pGeo)
{
IGeometry retGeo = null;
IGeometry TopGeometry1 = byGeo;
IGeometry TopGeometry2 = pGeo;
if (TopGeometry1 == null || TopGeometry2 == null || TopGeometry1.IsEmpty == true || TopGeometry2.IsEmpty == true)
{
retGeo = null;
MessageBox.Show("空间叠加有一对象为空", "空间分析错误");
return(retGeo);
}
if (!(TopGeometry1 is ITopologicalOperator2) && !(TopGeometry2 is ITopologicalOperator2))
{
retGeo = null;
MessageBox.Show("空间叠加有一对象不是高级对象(Polygon,Polyline,MuliPoint)", "空间分析错误");
return(retGeo);
}
try
{
Topoperator2 = (ITopologicalOperator2)TopGeometry2;
Topoperator2.Simplify();
Topoperator2 = (ITopologicalOperator2)TopGeometry1;
Topoperator2.Simplify();
retGeo = Topoperator2.IntersectMultidimension(TopGeometry2);
}
catch (Exception ee)
{
retGeo = null;
System.Diagnostics.Debug.WriteLine(ee.ToString());
//ZH.Error.Write.Line("ZHFeature.IntersectsMuliDim():<Topoperator2.IntersectMultidimension>出错:<" + this.Tag.ToString() + ">", ee.Message);
}
return(retGeo);
}
public bool Snap(IGeometry igeometry_0, IPoint ipoint_0, double double_0)
{
bool flag;
int i;
IHitTest shape;
IGeometry geometry;
if (!EditorLicenseProviderCheck.Check())
{
flag = false;
}
else if (this.ifeatureCache_0.Count != 0)
{
bool flag1 = false;
double num = 0;
int num1 = 0;
int num2 = 0;
bool flag2 = true;
IPoint pointClass = new ESRI.ArcGIS.Geometry.Point();
object value = Missing.Value;
IArray arrayClass = new Array();
for (i = 0; i < this.ifeatureCache_0.Count; i++)
{
shape = (IHitTest)this.ifeatureCache_0.Feature[i].Shape;
if ((shape is IPolyline ? true : shape is IPolygon) &&
shape.HitTest(ipoint_0, double_0, esriGeometryHitPartType.esriGeometryPartBoundary, pointClass,
ref num, ref num1, ref num2, ref flag2))
{
arrayClass.Add(shape);
}
}
IPointCollection multipointClass = new Multipoint();
IArray arrayClass1 = new Array() as IArray;
for (i = 0; i < arrayClass.Count; i++)
{
ITopologicalOperator2 element = (ITopologicalOperator2)arrayClass.Element[i];
for (int j = 0; j < arrayClass.Count; j++)
{
if (i != j)
{
if (((IGeometry)arrayClass.Element[i]).GeometryType !=
((IGeometry)arrayClass.Element[j]).GeometryType)
{
geometry = element.IntersectMultidimension((IGeometry)arrayClass.Element[j]);
if (geometry != null)
{
IGeometryCollection geometryCollection = geometry as IGeometryCollection;
if (geometryCollection != null)
{
for (int k = 0; k < geometryCollection.GeometryCount; k++)
{
geometry = geometryCollection.Geometry[k];
if (geometry is IPointCollection)
{
multipointClass.AddPointCollection((IPointCollection)geometry);
}
else if (geometry is IPointCollection)
{
multipointClass.AddPoint((IPoint)geometry, ref value, ref value);
}
}
}
}
}
else
{
geometry = element.Intersect((IGeometry)arrayClass.Element[j],
esriGeometryDimension.esriGeometry0Dimension);
if (geometry != null)
{
if (geometry is IPointCollection)
{
multipointClass.AddPointCollection((IPointCollection)geometry);
}
else if (geometry is IPointCollection)
{
multipointClass.AddPoint((IPoint)geometry, ref value, ref value);
}
}
}
}
}
}
shape = (IHitTest)multipointClass;
if (shape.HitTest(ipoint_0, double_0, esriGeometryHitPartType.esriGeometryPartVertex, pointClass,
ref num, ref num1, ref num2, ref flag2))
{
ipoint_0.PutCoords(pointClass.X, pointClass.Y);
flag1 = true;
}
flag = flag1;
}
else
{
flag = false;
}
return(flag);
}
private IPoint method_8(IPoint ipoint_0, IFeatureCache2 ifeatureCache2_0, double double_0)
{
int i;
IGeometry geometry;
double num = 0;
int num1 = 0;
int num2 = 0;
bool flag = true;
IPoint point = null;
List <IGeometry> geometries = new List <IGeometry>();
for (i = 0; i < ifeatureCache2_0.Count; i++)
{
IFeature feature = ifeatureCache2_0.Feature[i];
if ((feature.Shape.GeometryType == esriGeometryType.esriGeometryPolyline
? true
: feature.Shape.GeometryType == esriGeometryType.esriGeometryPolygon))
{
IPoint pointClass = new ESRI.ArcGIS.Geometry.Point();
IHitTest shape = (IHitTest)feature.Shape;
if (
shape.HitTest(ipoint_0, double_0, esriGeometryHitPartType.esriGeometryPartBoundary, pointClass,
ref num, ref num1, ref num2, ref flag) && num <= double_0)
{
IGeometryCollection geometryCollection = shape as IGeometryCollection;
if (geometryCollection != null)
{
ISegmentCollection segmentCollection =
geometryCollection.Geometry[num1] as ISegmentCollection;
if (segmentCollection != null)
{
//segmentCollection.Segment[num2] is ICircularArc;
}
}
}
}
}
IPointCollection multipointClass = new Multipoint();
for (i = 0; i < geometries.Count; i++)
{
ITopologicalOperator2 item = (ITopologicalOperator2)geometries[i];
for (int j = 0; j < geometries.Count; j++)
{
if (i != j)
{
if (geometries[i].GeometryType != geometries[j].GeometryType)
{
geometry = item.IntersectMultidimension(geometries[j]);
if (geometry != null)
{
IGeometryCollection geometryCollection1 = geometry as IGeometryCollection;
if (geometryCollection1 != null)
{
for (int k = 0; k < geometryCollection1.GeometryCount; k++)
{
geometry = geometryCollection1.Geometry[k];
if (geometry is IPointCollection)
{
multipointClass.AddPointCollection((IPointCollection)geometry);
}
else if (geometry is IPoint)
{
object value = Missing.Value;
object obj = Missing.Value;
multipointClass.AddPoint((IPoint)geometry, ref value, ref obj);
}
}
}
}
}
else
{
geometry = item.Intersect(geometries[j], esriGeometryDimension.esriGeometry0Dimension);
if (geometry != null)
{
if (geometry is IPointCollection)
{
multipointClass.AddPointCollection((IPointCollection)geometry);
}
else if (geometry is IPoint)
{
object value1 = Missing.Value;
object obj1 = Missing.Value;
multipointClass.AddPoint((IPoint)geometry, ref value1, ref obj1);
}
}
}
}
}
}
IHitTest hitTest = (IHitTest)multipointClass;
IPoint pointClass1 = new ESRI.ArcGIS.Geometry.Point();
if (
hitTest.HitTest(ipoint_0, double_0, esriGeometryHitPartType.esriGeometryPartVertex, pointClass1, ref num,
ref num1, ref num2, ref flag) && num < double_0)
{
point = pointClass1;
}
return(point);
}
