//获取标注圆的圆心坐标
public static mcDots GetCircleCoor(mcRecordSet recordset)
{
mcDots circleDots = new mcDots();
int SfcID = 0;
SfcID = recordset.MoveFirst();
//找到图例中的注记圆
while (!recordset.IsEOF())
{
IGeometry GeoResult = null;
recordset.GetGeometry(out GeoResult);
mcRect rect = null;
GeoResult.CalRect(out rect);
double width = Math.Round(rect.xmax - rect.xmin, 2);
double heigth = Math.Round(rect.ymax - rect.ymin, 2);
//判断是否是注记圆
if (width == heigth)
{
//计算保留图例圆的中心点坐标
mcDot CircleDot = new mcDot();
CircleDot.x = (rect.xmax + rect.xmin) / 2;
CircleDot.y = (rect.ymin + rect.ymax) / 2;
circleDots.Add(CircleDot);
}
SfcID = recordset.MoveNext();
}
return(circleDots);
}
//获取外包矩形的多边形
public static mcGeoPolygon GetRectPolygon(mcRect rect)
{
mcGeoPolygon GeoPolygon = new mcGeoPolygon();
mcLongList LongList = new mcLongList();
mcDots regDots = new mcDots();
mcDot dot1 = new mcDot();
mcDot dot2 = new mcDot();
mcDot dot3 = new mcDot();
mcDot dot4 = new mcDot();
dot1.x = rect.xmin;
dot1.y = rect.ymin;
dot2.x = rect.xmin;
dot2.y = rect.ymax;
dot3.x = rect.xmax;
dot3.y = rect.ymax;
dot4.x = rect.xmax;
dot4.y = rect.ymin;
regDots.Add(dot1);
regDots.Add(dot2);
regDots.Add(dot3);
regDots.Add(dot4);
LongList.Append(4);
GeoPolygon.SetDots(regDots, LongList);
return(GeoPolygon);
}
//延长线函数
public static void ExpandLine(mcRecordSet LineSet, IVectorCls vcls)
{
IGeometry l_geoLine = null;
LineSet.GetGeometry(out l_geoLine);
IGeoVarLine l_Line = null;
l_Line = l_geoLine as IGeoVarLine;
mcDots l_dots = null;
l_Line.Get2Dots(out l_dots);
mcDot dot_1 = l_dots.get_item(0);
mcDot dot_2 = l_dots.get_item(l_dots.count - 1);
//垂直(因为数据不标准，所以设置为< 1)
if (Math.Abs(dot_1.x - dot_2.x) < 1)
{
mcDot NewDot1 = new mcDot();
mcDot NewDot2 = new mcDot();
NewDot1.x = dot_1.x;
NewDot1.y = dot_1.y + l_Line.CalLength(null) / 10;
NewDot2.x = dot_2.x;
NewDot2.y = dot_2.y - l_Line.CalLength(null) / 10;
mcGeoVarLine NewLine = new mcGeoVarLine();
NewLine.Append2D(NewDot1);
NewLine.Append2D(NewDot2);
vcls.Append(NewLine, null, null);
mcObjectID delID = null;
LineSet.GetID(out delID);
vcls.Del(delID);
}
else
{
//计算直线的斜率
double slope = Math.Abs(dot_2.y - dot_1.y) / Math.Abs(dot_2.x - dot_1.x);
mcDot NewDot1 = new mcDot();
mcDot NewDot2 = new mcDot();
NewDot1.x = dot_1.x - l_Line.CalLength(null) / 10;
NewDot1.y = slope * (NewDot1.x - dot_1.x) + dot_1.y;
NewDot2.x = dot_2.x + l_Line.CalLength(null) / 10;
NewDot2.y = slope * (NewDot2.x - dot_2.x) + dot_2.y;
mcGeoVarLine NewLine = new mcGeoVarLine();
NewLine.Append2D(NewDot1);
NewLine.Append2D(NewDot2);
vcls.Append(NewLine, null, null);
mcObjectID delID = null;
LineSet.GetID(out delID);
vcls.Del(delID);
}
}
//获取新数据内标注圆的坐标集合
public static mcDots GetAnnoCircleDots(string frame_layername, AxWorkSpace.AxMxWorkSpace WorkSpace)
{
mcDots dots = new mcDots();
// 1、找到最大的图框
mcRecordSet AllFeatures_RecordSet = GetLayerRecordSet(frame_layername, WorkSpace);
List <double> mpLengths = new List <double>();
int sfID = 0;
sfID = AllFeatures_RecordSet.MoveFirst();
while (!AllFeatures_RecordSet.IsEOF())
{
mcRecord record = null;
AllFeatures_RecordSet.GetAtt(out record);
object per = null;
record.GetFldVal("mpLength", out per);
mpLengths.Add((double)per);
sfID = AllFeatures_RecordSet.MoveNext();
}
mpLengths.Sort();
mcQueryDef lengthDef = new mcQueryDef();
lengthDef.Filter = "mpLength=" + mpLengths[mpLengths.Count - 1];
mcRecordSet frameRecordSet = null;
AllFeatures_RecordSet.Select(lengthDef, out frameRecordSet);
frameRecordSet.MoveFirst();
IGeometry geoFrame = null;
frameRecordSet.GetGeometry(out geoFrame);
// 2、找到图例圆
IXGroupLayer m_Layer = null;
m_Layer = WorkSpace.MapCollection.get_Item(0).get_Layer2("T01_0060.WT") as IXGroupLayer;
IVectorCls vcls = m_Layer.get_Layer(2).XClass as IVectorCls;
mcQueryDef queryDef = new mcQueryDef();
//图框的外包矩形
mcRect FrameRect = null;
geoFrame.CalRect(out FrameRect);
//计算、保留图例圆的中心点坐标
mcDot CircleDot = new mcDot();
mcRect CircleRect = null;//右下角图例圆的外包矩形
mcGeoPolygon queryPolygon = GetRectPolygon(FrameRect);
queryDef.set_Spatial(queryPolygon, meSpaQueryMode.meModeContain);
mcRecordSet containCircle = null;
vcls.Select(queryDef, out containCircle);//图框内的圆
containCircle.MoveFirst();
while (!containCircle.IsEOF())
{
mcObjectID id = null;
containCircle.GetID(out id);
IGeomInfo geoInfo = null;
containCircle.GetInfo(out geoInfo);
IPntInfo pntInfo = geoInfo as IPntInfo;
if (pntInfo.height > 20 && pntInfo.width > 20)
{
IGeometry circle = null;
containCircle.GetGeometry(out circle);
circle.CalRect(out CircleRect);
//确定右下角图例圆的中心点坐标
CircleDot.x = (CircleRect.xmin + CircleRect.xmax) / 2;
CircleDot.y = (CircleRect.ymin + CircleRect.ymax) / 2;
dots.Add(CircleDot);
}
containCircle.MoveNext();
}
return(dots);
}
