//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);
}
//计算两点之间的距离
public static double CalDistanceOfCircle(mcDot dot1, mcDot dot2)
{
double dis = 0;
dis = Math.Sqrt(Math.Pow(dot2.y - dot1.y, 2) + Math.Pow(dot2.x - dot1.x, 2));
return(dis);
}
//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);
}
}
//判断点是否在矩形
public static bool isDotInRect(mcDot dot, mcRect rect)
{
if (dot.x >= rect.xmin && dot.x <= rect.xmax && dot.y >= rect.ymin && dot.y <= rect.ymax)
{
return(true);
}
else
{
return(false);
}
}
//更新块段储量
private void btnUpdateKDCL_Click(object sender, EventArgs e)
{
try
{
if (Conn.State == ConnectionState.Open)
{
foreach (KeyValuePair <mcDot, Dictionary <string, string> > sourceKVP in SourceAnnoDictionSet)
{
mcDot sourceDot = sourceKVP.Key;
double minDis = double.MaxValue;
Dictionary <string, string> newCircleAnnoDic = null;//与原始数据圆最近的新数据的圆
foreach (KeyValuePair <mcDot, Dictionary <string, string> > newKVP in NewAnnoDictionSet)
{
mcDot newDot = newKVP.Key;
//数据截取，去除y值的38000000
string valueStr = newDot.x.ToString().Substring(2);
//处理过后，去掉带号的坐标
mcDot exceptPreDot = new mcDot();
exceptPreDot.x = double.Parse(valueStr);
exceptPreDot.y = newDot.y;
double distance = MapGIsK9Utils.CalDistanceOfCircle(sourceDot, exceptPreDot);
if (minDis > distance)
{
minDis = distance;
newCircleAnnoDic = newKVP.Value;
}
}
//找到原始块段编号
Dictionary <string, string> sourceValueDic = sourceKVP.Value;
string KDBH = "";
string newKDBH = "";
sourceValueDic.TryGetValue("1", out KDBH);
newCircleAnnoDic.TryGetValue("1", out newKDBH);
//从DataGridView中读取需要更新的字段
string sqlStr = "";
for (int i = 0; i < dgvFieldsUpdate.Rows.Count - 1; i++)
{
if (i < dgvFieldsUpdate.Rows.Count - 2)
{
string id = dgvFieldsUpdate.Rows[i].Cells[1].Value.ToString().Split('、')[0];
string value = "";
newCircleAnnoDic.TryGetValue(id, out value);
sqlStr += dgvFieldsUpdate.Rows[i].Cells[0].Value.ToString() + " = '" + value + "',";
}
else
{
string id = dgvFieldsUpdate.Rows[i].Cells[1].Value.ToString().Split('、')[0];
string value = "";
newCircleAnnoDic.TryGetValue(id, out value);
sqlStr += dgvFieldsUpdate.Rows[i].Cells[0].Value.ToString() + " = '" + value + "'";
}
}
//更新核查块段
string JGAB309SQL = "update " + this.cbxTableName.SelectedItem.ToString() + " set " + sqlStr + " where KDBH = '" + newKDBH +
"' and KCMC = '" + this.cbxKCName.SelectedItem.ToString() + "矿'";
OleDbCommand cmd = new OleDbCommand(JGAB309SQL, Conn);
cmd.ExecuteNonQuery();
cmd.Dispose();
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
//获取新数据内标注圆的集合
public static void GetAnnoCircleGeoList(string frame_layername, out List <IGeometry> Anno_CircleGeoList, out List <IGeomInfo> Anno_CircleGeoInfoList, AxWorkSpace.AxMxWorkSpace WorkSpace)
{
List <IGeometry> _Anno_CircleGeoList = new List <IGeometry>();
List <IGeomInfo> _Anno_CircleGeoInfoList = new List <IGeomInfo>();
// 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();
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 geoCircle = null;
IGeomInfo geoCircleInfo = null;
containCircle.GetGeometry(out geoCircle);
_Anno_CircleGeoList.Add(geoCircle);
containCircle.GetInfo(out geoCircleInfo);
_Anno_CircleGeoInfoList.Add(geoCircleInfo);
}
containCircle.MoveNext();
}
Anno_CircleGeoList = _Anno_CircleGeoList;
Anno_CircleGeoInfoList = _Anno_CircleGeoInfoList;
}
