private void menuItem72_Click(object sender, EventArgs e)
{
frmDrawProfile frmDrawProfile1 = new frmDrawProfile(null) ;
frmDrawProfile1.Show();
}
//根据多段线和阀门数组创建高程剖面
public static void ProfileCreateGraph(MainFrm pMainFrm, IPolyline pPolyline, IArray pSewerElevArray)
{
AxMapControl axMap = pMainFrm.getMapControl();
IZ pPolylineZ = pPolyline as IZ;
IRasterLayer pRasterLyr = FindRasterLayer("Elevation", pMainFrm);
//获得表面进行插值
ISurface pSurface = GetSurface(pRasterLyr);
//创建Polyline z-ware;
IZAware pZAwareLineZ = pPolyline as IZAware;
pZAwareLineZ.ZAware = true;
//'* work around for InterpolateFromSurface sometimes flipping polyline
IPoint pPtOrigFrom = pPolyline.FromPoint;
IPoint pPtOrigTo = pPolyline.ToPoint;
//添加Z值到多边形上
pPolylineZ.InterpolateFromSurface(pSurface);
if (pPolyline.FromPoint.X != pPtOrigFrom.X || pPolyline.FromPoint.Y != pPtOrigFrom.Y)
pPolyline.ReverseOrientation();
//添加M值到线上
IMSegmentation pMSegmentation = pPolyline as IMSegmentation;
IMAware pMAware = pPolyline as IMAware;
pMAware.MAware = true;
pMSegmentation.SetMsAsDistance(false);
//创建表格
ITable pTable = ProfileCreateTable();
int i=0;
if (pTable != null)
{
//在图层列表控件中要确保该表格还不存在，如果存在则删除它
IStandaloneTableCollection pStandAloneTabColl = axMap.ActiveView.FocusMap as IStandaloneTableCollection;
for ( i = 0; i<=pStandAloneTabColl.StandaloneTableCount - 1; i++)
{
if (pStandAloneTabColl.get_StandaloneTable(i).Name == "xxprofiletable")
pStandAloneTabColl.RemoveStandaloneTable(pStandAloneTabColl.get_StandaloneTable(i));
}
//创建一个新的独立表，并把它添加到地图集合中
IStandaloneTable pStandAloneTab = new StandaloneTableClass();
pStandAloneTab.Table = pTable;
pStandAloneTabColl = axMap.ActiveView.FocusMap as IStandaloneTableCollection;
pStandAloneTabColl.AddStandaloneTable(pStandAloneTab);
pTable = pStandAloneTab as ITable;
//为两个字段设置别名
ITableFields pTableFields = pStandAloneTab as ITableFields;
IFieldInfo pFieldInfo = pTableFields.get_FieldInfo(pTableFields.FindField("Z"));
pFieldInfo.Alias = "Ground Elevation";
pFieldInfo = pTableFields.get_FieldInfo(pTableFields.FindField("SewerElev"));
pFieldInfo.Alias = "Sewer Line Elevation";
//为表格获得一个插入光标
ICursor pCursor=pTable.Insert(true);
IRowBuffer pRowBuff;
//
IPointCollection pPtCollection = pPolyline as IPointCollection;
IEnumVertex pEnumVertex = pPtCollection.EnumVertices;
pEnumVertex.Reset();
IPoint pPT;
int iPartIndex;
int iVertexIndex;
i = 0;
//添加节点XYZ到新表格中
pEnumVertex.Next(out pPT, out iPartIndex, out iVertexIndex);
while (pPT != null)
{
pRowBuff = pTable.CreateRowBuffer();
pRowBuff.set_Value(pRowBuff.Fields.FindField("X"),pPT.X);
pRowBuff.set_Value(pRowBuff.Fields.FindField("Y"),pPT.Y);
pRowBuff.set_Value(pRowBuff.Fields.FindField("Z"),pPT.Z);
pRowBuff.set_Value( pRowBuff.Fields.FindField("M"),pPT.M);
pRowBuff.set_Value(pRowBuff.Fields.FindField("SewerElev"), Convert.ToDouble(pSewerElevArray.get_Element(i)));
pCursor.InsertRow(pRowBuff);
pEnumVertex.Next(out pPT, out iPartIndex, out iVertexIndex);
i = i + 1;
}
pCursor.Flush();
pCursor = null;
pCursor = pTable.Search(null, false);
IQueryFilter pQueryFilter = new QueryFilterClass();
pQueryFilter.WhereClause = "SewerElev <> -99";
ICursor pCursorSewerElev = pTable.Search(pQueryFilter, false);
pCursor = null;
pCursor = pTable.Update(null, false);
pRowBuff = pCursor.NextRow();
double m = 0;
double Mmin=0;
double Mmax=0;
double deltaM=0;
double deltaSewerElev=0;
double sewerelev=0;
double newZ=0;
int j = 0;
double minSewerElev=0;
double maxSewerElev=0;
IRow pRowSewerElev;
while (pRowBuff != null)
{
if (Convert.ToDouble(pRowBuff.get_Value(pRowBuff.Fields.FindField("SewerElev"))) == -99)
{
m = Convert.ToDouble(pRowBuff.get_Value(pRowBuff.Fields.FindField("M")));
newZ = (((m - Mmin) / deltaM) * deltaSewerElev) + sewerelev;
pRowBuff.set_Value(pRowBuff.Fields.FindField("SewerElev"), newZ);
pCursor.UpdateRow(pRowBuff as IRow);
}
else
{
if (j == 0)
{
pRowSewerElev = pCursorSewerElev.NextRow();
minSewerElev = Convert.ToDouble(pRowSewerElev.get_Value(pRowSewerElev.Fields.FindField("SewerElev")));
Mmin = Convert.ToDouble(pRowSewerElev.get_Value(pRowSewerElev.Fields.FindField("M")));
pRowSewerElev = pCursorSewerElev.NextRow();
maxSewerElev = Convert.ToDouble(pRowSewerElev.get_Value(pRowSewerElev.Fields.FindField("SewerElev")));
Mmax = Convert.ToDouble(pRowSewerElev.get_Value(pRowSewerElev.Fields.FindField("M")));
}
else
{
pRowSewerElev = pCursorSewerElev.NextRow();
if (pRowSewerElev != null)
{
minSewerElev = maxSewerElev;
Mmin = Mmax;
maxSewerElev =Convert.ToDouble(pRowSewerElev.get_Value(pRowSewerElev.Fields.FindField("SewerElev")));
Mmax = Convert.ToDouble(pRowSewerElev.get_Value(pRowSewerElev.Fields.FindField("M")));
}
}
deltaSewerElev = maxSewerElev - minSewerElev;
deltaM = Mmax - Mmin;
sewerelev = minSewerElev;
j = j + 1;
}
pRowBuff = pCursor.NextRow() as IRowBuffer;
}
pCursor.Flush();
//从表格中创建图形
m_SewerElevStructArray = new ArrayClass();
pCursor = null;
pCursor = pTable.Search(null, false);
pRowSewerElev = null;
pRowSewerElev = pCursor.NextRow();
while (pRowSewerElev != null)
{
clsProfileStruct pProfileDataStruct = new clsProfileStruct();
pProfileDataStruct.M = Convert.ToDouble(pRowSewerElev.get_Value(pRowSewerElev.Fields.FindField("M")));
pProfileDataStruct.Z = Convert.ToDouble(pRowSewerElev.get_Value(pRowSewerElev.Fields.FindField("Z")));
pProfileDataStruct.dSewerElev = Convert.ToDouble(pRowSewerElev.get_Value(pRowSewerElev.Fields.FindField("Sewerelev")));
m_SewerElevStructArray.Add(pProfileDataStruct);
pRowSewerElev = pCursor.NextRow();
}
frmDrawProfile frmDrawProfile1 = new frmDrawProfile(m_SewerElevStructArray);
frmDrawProfile1.Show();
}
}