private void DrawGeo_Click(object sender, EventArgs e)
{
//新建三维绘制工具
ClsMarkDraw.DeleteAllElementsWithName(m_pMapControlDefault.Map, sPolyOutlineName);
m_pMapControlDefault.Refresh(esriViewDrawPhase.esriViewBackground, null, null);
pToolQuerySlope.EndDtrawd += new myEventHandlerSlope(pToolQuerySlope_EndDtrawd);
pToolQuerySlope.pSurface = m_SurFace;
ICommand pCommad = pToolQuerySlope;
pCommad.OnCreate(m_pMapControlDefault.Object);
m_pMapControlDefault.CurrentTool = pCommad as ITool;
if (this.WriteLog)
{
Plugin.LogTable.Writelog(this.Text);
}
}
private void DrawSectionPart()
{
try
{
if (m_SectionLine == null)
{
return;
}
if (m_SurFace == null)
{
return;
}
IGeometry pGeometry = new PolylineClass();
object pObject = 1;
m_SurFace.InterpolateShape(m_SectionLine, out pGeometry, ref pObject);
IGroupElement pGroup = null;
////用于绘制三维效果
ClsMarkDraw.AddSimpleGraphic(pGeometry, ClsMarkDraw.getRGB(71, 61, 255), 2, sPolyOutlineName, m_pMapControlDefault.Map, pGroup);
m_pMapControlDefault.Refresh(esriViewDrawPhase.esriViewBackground, null, null);
double dblLength;
object StepSize = Type.Missing;;
m_SurFace.QuerySurfaceLength(pGeometry, out dblLength, ref StepSize);
txtSurfaceLengh.Text = dblLength.ToString();
IPolyline pLine = pGeometry as IPolyline;
txtPreject.Text = pLine.Length.ToString();
txtZmax.Text = pLine.Envelope.ZMax.ToString();
txtZmin.Text = pLine.Envelope.ZMin.ToString();
IPointCollection pPointCol = pLine as IPointCollection;
IPolyline pPolyline2;
IPointCollection pPointCol2 = new PolylineClass();
int lLOOP;
double dblminY, dblPery, dblPerx, dblMaxY;
dblminY = pLine.Envelope.ZMin;
dblMaxY = pLine.Envelope.ZMax;
if ((pLine.Envelope.ZMax - pLine.Envelope.ZMin) == 0)
{
return;
}
if (pLine.Length == 0)
{
return;
}
//重新绘制底图
Image pImage = new Bitmap(442, 230);
Graphics m_mouse = Graphics.FromImage(pImage);
//m_mouse.FillRectangle(Brushes.White,0,0,460,240);
Pen pen1 = new Pen(Color.Black, 1);
//绘制横坐标、纵坐标及其他两条边
m_mouse.DrawLine(pen1, new PointF(55, 210), new PointF(55, 6));
m_mouse.DrawLine(pen1, new PointF(55, 210), new PointF(431, 210));
m_mouse.DrawLine(pen1, new PointF(55, 6), new PointF(431, 6));
m_mouse.DrawLine(pen1, new PointF(431, 6), new PointF(431, 210));
//Brush pBrush = new HatchBrush(HatchStyle.Percent70, Color.WhiteSmoke);
m_mouse.FillRectangle(Brushes.White, 56, 7, 375, 203); //填充区域及背景图
//
dblPery = 200 / (pLine.Envelope.ZMax - pLine.Envelope.ZMin); //将纵坐标的高度分线段的高程差段
dblPerx = 368 / pLine.Length; //将横坐标的宽度分成线段长度份
double x, y, x1, y1;
x = 0;
y = 0;
object before = Type.Missing;
object after = Type.Missing;
Pen pen3 = new Pen(Color.Red, 2);
Font drawFont = new Font("宋体", 8.0f, FontStyle.Regular);
StringFormat drawFormat = new StringFormat();
Brush drawBrush = new SolidBrush(Color.Black);
drawFormat.FormatFlags = StringFormatFlags.DisplayFormatControl;
//绘制横坐标刻度值
for (int i = 0; i <= 4; i++)
{
if (i == 0)
{
m_mouse.DrawString(i.ToString(), drawFont, Brushes.Black, new PointF(52, 214), drawFormat);
}
else
{
Single Lenvlae = Convert.ToSingle((pLine.Length / 4) * i);
m_mouse.DrawLine(pen1, new PointF(55 + 92 * i, 210), new PointF(55 + 92 * i, 214));
m_mouse.DrawString(Lenvlae.ToString(), drawFont, drawBrush, new PointF(20 + 92 * i, 215), drawFormat);
}
}
//绘制纵坐标刻度值
for (int i = 1; i <= 10; i++)
{
m_mouse.DrawLine(pen1, new PointF(55, 210 - 20 * i), new PointF(51, 210 - 20 * i));
Pen pen = new Pen(Color.Black, 1);
pen.DashStyle = DashStyle.Dot;
m_mouse.DrawLine(pen, new PointF(55, 210 - 20 * i), new PointF(431, 210 - 20 * i));
Single Lenvlae = Convert.ToSingle((((dblMaxY - dblminY) / 10) * i) + dblminY);
m_mouse.DrawString(Lenvlae.ToString(), drawFont, Brushes.Black, new PointF(1, 210 - 21 * i), drawFormat);
}
for (lLOOP = 0; lLOOP < pPointCol.PointCount; lLOOP++)
{
pPointCol2.AddPoint(pPointCol.get_Point(lLOOP), ref before, ref after);
pPolyline2 = pPointCol2 as IPolyline;
x1 = pPolyline2.Length * dblPerx + 57; //37为坐标图在pictureBox1中离左边的距离
y1 = 210 - ((pPointCol.get_Point(lLOOP).Z - pLine.Envelope.ZMin) * dblPery);
if (lLOOP == 0) //绘制起点
{
SolidBrush pSolidBrush = new SolidBrush(Color.Blue);
m_mouse.FillEllipse(pSolidBrush, Convert.ToSingle(x1 - 2), Convert.ToSingle(y1 - 2), 6, 6);
}
if (lLOOP > 0)
{
//绘制沿线高程变化线
m_mouse.DrawLine(pen3, new PointF(Convert.ToSingle(x), Convert.ToSingle(y)), new PointF(Convert.ToSingle(x1), Convert.ToSingle(y1)));
}
if (lLOOP == pPointCol.PointCount - 1)//绘制终点
{
SolidBrush pSolidBrush = new SolidBrush(Color.Green);
m_mouse.FillEllipse(pSolidBrush, Convert.ToSingle(x1 - 2), Convert.ToSingle(y1 - 2), 6, 6);
}
x = x1;
y = y1;
}
pictureBox1.Image = pImage;
m_mouse.Dispose();
drawFont.Dispose();
drawBrush.Dispose();
}
catch
{
return;
}
}
