private IList <JZD> ExtractJzd(JTSYQ dk, IFeatureLayer dkLayer, IFeatureLayer jzdLayer)
{
IFeature feature = dk.Feature;
IPolygon polygon = feature.Shape as IPolygon;
IPointCollection pointCollection = polygon as IPointCollection;
IList <JZD> list = new List <JZD>();
int num = pointCollection.PointCount - 2;
IPoint point = new PointClass();
point.X = 0.0;
point.Y = 0.0;
IList <JTSYQ> list2 = JTSYQCustom.FeaturesToJTSYQ(ArcGisUtils.CircleSelect(pointCollection.get_Point(num), dkLayer));
IList <JTSYQ> list3 = JTSYQCustom.FeaturesToJTSYQ(ArcGisUtils.CircleSelect(pointCollection.get_Point(0), dkLayer));
IList <JTSYQ> entity = JTSYQCustom.FeaturesToJTSYQ(ArcGisUtils.CircleSelect(pointCollection.get_Point(1), dkLayer));
for (int i = 0; i <= num; i++)
{
IPoint point2 = pointCollection.get_Point(i);
int num2 = list3.Count <JTSYQ>();
bool flag2 = num2 > list2.Count || num2 > entity.Count;
if (flag2)
{
JZD JZD = new JZD();
JZD.JZDIndex = i;
JZD.Point = point2;
list.Add(JZD);
point = point2;
}
else
{
bool flag3 = num2 != 1 && this.DifferentDks(list3, list2);
if (flag3)
{
JZD JZD = new JZD();
JZD.JZDIndex = i;
JZD.Point = point2;
list.Add(JZD);
point = point2;
}
else
{
double num3 = ArcGisUtils.CalculateTwoPt(point2, point);
bool flag4 = i == 0;
double num4 = -1;
if (flag4)
{
num4 = ArcGisUtils.Angle(point2, pointCollection.get_Point(num), pointCollection.get_Point(1));
}
else
{
bool flag5 = i == num;
if (flag5)
{
num4 = ArcGisUtils.Angle(point2, pointCollection.get_Point(i - 1), pointCollection.get_Point(0));
double num5 = ArcGisUtils.CalculateTwoPt(point2, pointCollection.get_Point(0));
bool flag6 = num5 < num3;
if (flag6)
{
num3 = num5;
}
}
else
{
num4 = ArcGisUtils.Angle(point2, pointCollection.get_Point(i - 1), pointCollection.get_Point(i + 1));
}
}
bool flag7 = num4 < 150;
if (flag7)
{
bool flag8 = num4 <130.0 || num3> 2.0;
if (flag8)
{
//检查与上一个
int count = list.Count - 1;
if (count >= 0)
{
double di = ArcGisUtils.CalculateTwoPt(point2, list[count].Point);
if (di > 1)
{
//有上一个点的话，要大于50距离才增加
JZD JZD = new JZD();
JZD.JZDIndex = i;
JZD.Point = point2;
list.Add(JZD);
point = point2;
}
}
else
{
JZD JZD = new JZD();
JZD.JZDIndex = i;
JZD.Point = point2;
list.Add(JZD);
point = point2;
}
}
else
{
IList <IFeature> featureCursor = ArcGisUtils.CircleSelect(point2, jzdLayer);
if (Utils.CheckListExists(featureCursor))
{
JZD JZD = new JZD();
JZD.JZDIndex = i;
JZD.Point = point2;
list.Add(JZD);
point = point2;
}
}
}
}
}
list2 = list3;
list3 = entity;
bool flag10 = i != num;
if (flag10)
{
entity = JTSYQCustom.FeaturesToJTSYQ(ArcGisUtils.CircleSelect(pointCollection.get_Point(i + 2), dkLayer));
}
else
{
entity = JTSYQCustom.FeaturesToJTSYQ(ArcGisUtils.CircleSelect(pointCollection.get_Point(0), dkLayer));
}
}
return(list);
}