//求SewerElev字段中的最大值
private double FindSEmaxValue()
{
double maxSE = 0;
for (int i = 0; i <= m_pSewerElevArray.Count - 1; i++)
{
clsProfileStruct pProfileData = m_pSewerElevArray.get_Element(i) as clsProfileStruct;
if (pProfileData.dSewerElev > maxSE)
{
maxSE = pProfileData.dSewerElev;
}
}
return(maxSE);
}
//求SewerElev字段中的最小值
private double FindSEminValue()
{
clsProfileStruct pProfileData = m_pSewerElevArray.get_Element(0) as clsProfileStruct;
double minSE = pProfileData.dSewerElev;
for (int i = 0; i <= m_pSewerElevArray.Count - 1; i++)
{
pProfileData = m_pSewerElevArray.get_Element(i) as clsProfileStruct;
if (pProfileData.dSewerElev < minSE)
{
minSE = pProfileData.dSewerElev;
}
}
return(minSE);
}
private void frmDrawProfile_Paint(object sender, PaintEventArgs e)
{
//取得记录数量
int count = m_pSewerElevArray.Count;
//计算图表宽度
int wd = 80 + 20 * (count - 1);
//设置最小宽度
if (wd < 800)
{
wd = 800;
}
//生成Bitmap对象
//生成绘图对象
Graphics g = e.Graphics;
//定义黑色画笔
Pen Bp = new Pen(Color.Black);
//定义红色画笔
Pen Rp = new Pen(Color.Red);
//定义银灰色画笔
Pen Sp = new Pen(Color.Silver);
//定义大标题字体
Font Bfont = new Font("Arial", 12, FontStyle.Bold);
//定义一般字体
Font font = new Font("Arial", 6);
//定义大点的字体
Font Tfont = new Font("Arial", 9);
//绘制底色
g.DrawRectangle(new Pen(Color.White, 400), 0, 0, wd, 400);
//定义黑色过度型笔刷
LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, wd, 400), Color.Black, Color.Black, 1.2F, true);
//定义兰色过度型笔刷
LinearGradientBrush Bluebrush = new LinearGradientBrush(new Rectangle(0, 0, wd, 400), Color.Blue, Color.Blue, 1.2F, true);
//绘制大标题
g.DrawString("管线高程剖面曲线图", Bfont, brush, 40, 5);
//绘制边框
g.DrawRectangle(Bp, 0, 0, wd - 1, 400 - 1);
//绘制竖坐标线
int i = 0;
for (i = 0; i < count; i++)
{
g.DrawLine(Sp, 40 + 20 * i, 60, 40 + 20 * i, 360);
}
//绘制竖坐标标签
for (i = 0; i < count; i++)
{
clsProfileStruct s = m_pSewerElevArray.get_Element(i) as clsProfileStruct;
string st = s.M.ToString();
g.DrawString(st, font, brush, 30 + 20 * i, 370);
}
//绘制横坐标线
for (i = 0; i < 10; i++)
{
g.DrawLine(Sp, 40, 60 + 30 * i, 40 + 20 * (count - 1), 60 + 30 * i);
int s = 500 - 50 * i * 5;
g.DrawString(s.ToString(), font, brush, 10, 60 + 30 * i);
}
//绘制竖坐标轴
g.DrawLine(Bp, 40, 55, 40, 360);
//绘制横坐标轴
g.DrawLine(Bp, 40, 360, 45 + 20 * (count - 1), 360);
//定义曲线转折点
Point[] p = new Point[count];
for (i = 0; i < count; i++)
{
clsProfileStruct s = m_pSewerElevArray.get_Element(i) as clsProfileStruct;
p[i].X = 40 + 20 * i;
p[i].Y = 360 - Convert.ToInt32(s.Z) / 5;
}
//绘制曲线
g.DrawLines(Rp, p);
for (i = 0; i < count; i++)
{
clsProfileStruct s = m_pSewerElevArray.get_Element(i) as clsProfileStruct;
g.DrawString(s.Z.ToString(), font, Bluebrush, p[i].X, p[i].Y - 10);
g.DrawRectangle(Rp, p[i].X - 1, p[i].Y - 1, 2, 2);
}
}
//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();
}
}