/// <summary>
/// 显示轮廓线 张琪 20110629
/// </summary>
/// <param name="pPolygon"></param>
private void ShowCountour(IPolygon pPolygon)
{
SysCommon.CProgress vProgress = new SysCommon.CProgress("进度条");
try
{
Cls3DMarkDraw.DeleteAllElementsWithName(m_pCurrentSceneControl.Scene, ContourName);
if (!chkShowContour.Checked)
{
m_pCurrentSceneControl.SceneGraph.RefreshViewers();
return;
}
vProgress.EnableCancel = false;//设置进度条
vProgress.ShowDescription = true;
vProgress.FakeProgress = true;
vProgress.TopMost = true;
vProgress.ShowProgress();
vProgress.SetProgress("正在绘制轮廓线");
ITopologicalOperator pTopo = pPolygon as ITopologicalOperator;
IGeometry pPolyLine = new PolylineClass();
pPolyLine = pTopo.Boundary;
object StepSize = Type.Missing;;
m_SurFace.InterpolateShape(pPolyLine as IGeometry, out pPolyLine, ref StepSize);
IGroupElement pGroup = null;
//用于绘制三维效果
Cls3DMarkDraw.AddSimpleGraphic(pPolyLine as IGeometry, Cls3DMarkDraw.getRGB(30, 255, 255), 4, ContourName, m_pCurrentSceneControl.Scene, pGroup);
m_pCurrentSceneControl.SceneGraph.RefreshViewers();
vProgress.Close();
}
catch
{
vProgress.Close();
}
}
/// <summary>
/// 显示参考面 张琪 20110629
/// </summary>
/// <param name="pPoly">参考多边形</param>
private void ShowRefPlane(IPolygon pPoly)
{
SysCommon.CProgress vProgress = new SysCommon.CProgress("进度条");
try
{
IGeometry pBoundary = new PolylineClass();
pBoundary = null;
IGeometry pPolygon = new PolygonClass();
pPolygon = null;
object StepSize = Type.Missing;
m_SurFace.InterpolateShape(pPoly as IGeometry, out pPolygon, ref StepSize);
Cls3DMarkDraw.DeleteAllElementsWithName(m_pCurrentSceneControl.Scene, sRefPlaneName); //清除已有的参考面
if (!chkShowLWRP.Checked) //当为false时不显示参考面
{
m_pCurrentSceneControl.SceneGraph.RefreshViewers();
return;
}
vProgress.EnableCancel = false;//设置进度条
vProgress.ShowDescription = true;
vProgress.FakeProgress = true;
vProgress.TopMost = true;
vProgress.ShowProgress();
vProgress.SetProgress("正在绘制参考面");
ITopologicalOperator pTopo = pPolygon as ITopologicalOperator;
pBoundary = pTopo.Boundary as IPolyline;
//设置Z值方向显示
IZAware pZAware = pBoundary as IZAware;
pZAware.ZAware = true;
m_SurFace.InterpolateShape(pBoundary as IGeometry, out pBoundary, ref StepSize);
m_SurFace.InterpolateShape(pPoly as IGeometry, out pPolygon, ref StepSize);
IExtrude pExtrude = new GeometryEnvironmentClass();
//获取参考面的多面体
IMultiPatch pMultiPatchRefPlaneWall = pExtrude.ExtrudeAbsolute(Convert.ToDouble(txtPlaneHeight.Text), pBoundary as IGeometry) as IMultiPatch;
pMultiPatchRefPlaneWall.SpatialReference = m_pCurrentSceneControl.Scene.SpatialReference;
IZ pZ;
pZAware = pPolygon as IZAware;
pZAware.ZAware = true;
pZ = pPolygon as IZ;
pZ.SetConstantZ(Convert.ToDouble(txtPlaneHeight.Text));
//用于绘制三维效果
IGroupElement pGroup = null;
Cls3DMarkDraw.AddSimpleGraphic(pMultiPatchRefPlaneWall as IGeometry, Cls3DMarkDraw.getRGB(71, 61, 255), 1, sRefPlaneName, m_pCurrentSceneControl.Scene, pGroup);
Cls3DMarkDraw.AddSimpleGraphic(pPolygon as IGeometry, Cls3DMarkDraw.getRGB(71, 61, 255), 1, sRefPlaneName, m_pCurrentSceneControl.Scene, pGroup);
m_pCurrentSceneControl.SceneGraph.RefreshViewers();
vProgress.Close();
}
catch
{
vProgress.Close();
}
}
/// <summary>
/// 获取点击地图上的点
/// </summary>
/// <param name="Button"></param>
/// <param name="Shift"></param>
/// <param name="X"></param>
/// <param name="Y"></param>
public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
try
{
ESRI.ArcGIS.Geometry.IPoint pMapPoint = new ESRI.ArcGIS.Geometry.PointClass();;
ISceneGraph pSceneGraph = m_sceneHookHelper.SceneGraph;
object pOwner;
object pObject;
object before = Type.Missing;
object after = Type.Missing;
object StepSize = Type.Missing;
IDisplay3D pDisplay;
pSceneGraph.Locate(pSceneGraph.ActiveViewer, X, Y, esriScenePickMode.esriScenePickGeography, true, out pMapPoint, out pOwner, out pObject); //获取鼠标点击的位置并转化为地理坐标
if (pMapPoint == null)
{
return;
}
pMapPoint.Z = pMapPoint.Z / m_sceneHookHelper.Scene.ExaggerationFactor;
pMapPoint.Z = m_psurface.GetElevation(pMapPoint);
pMapPoint.SpatialReference = pSceneGraph.Scene.SpatialReference;
pDisplay = m_sceneHookHelper.SceneGraph as IDisplay3D;
pDisplay.FlashLocation(pMapPoint);//闪烁显示被点击的位置
IGeometry pGeom = null;
Cls3DMarkDraw.DeleteAllElementsWithName(m_sceneHookHelper.Scene, sPolyOutlineName);
//根据绘制对象类型的不同定义不同的类型
switch (m_DrawType.ToString())
{
case "esriGeometryPoint":
m_Geometry = pMapPoint;
break;
case "esriGeometryLine":
if (m_pPointColl == null)
{
m_pPointColl = new PolylineClass();
pGeom = new PolylineClass();
}
m_pPointColl.AddPoint(pMapPoint, ref before, ref after);
break;
case "esriGeometryPolygon":
if (m_pPointColl == null)
{
m_pPointColl = new PolygonClass();
pGeom = new PolygonClass();
}
m_pPointColl.AddPoint(pMapPoint, ref before, ref after);
break;
}
//BeginDrawed(true);
IGroupElement pGroup = null;
if (m_pPointColl.PointCount == 1)
{
//当为一个点时绘制点
Cls3DMarkDraw.AddSimpleGraphic(pMapPoint, Cls3DMarkDraw.getRGB(71, 61, 255), 4, sPolyOutlineName, m_sceneHookHelper.Scene, pGroup);
}
else if (m_DrawType.ToString() == "esriGeometryLine")
{
pGeom = m_pPointColl as IGeometry;
pGeom.SpatialReference = pMapPoint.SpatialReference;
m_psurface.InterpolateShape(pGeom, out pGeom, ref StepSize);
Cls3DMarkDraw.AddSimpleGraphic(pGeom, Cls3DMarkDraw.getRGB(71, 61, 255), 4, sPolyOutlineName, m_sceneHookHelper.Scene, pGroup);
m_pPointColl = pGeom as IPointCollection;
}
else
{
ITopologicalOperator pTopo = m_pPointColl as ITopologicalOperator;
pGeom = pTopo.Boundary;
pGeom.SpatialReference = pMapPoint.SpatialReference;
m_psurface.InterpolateShape(pGeom, out pGeom, ref StepSize);
Cls3DMarkDraw.AddSimpleGraphic(pGeom, Cls3DMarkDraw.getRGB(71, 61, 255), 4, sPolyOutlineName, m_sceneHookHelper.Scene, pGroup);
}
m_sceneHookHelper.SceneGraph.RefreshViewers();
}
catch
{
return;
}
}
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
Cls3DMarkDraw.AddSimpleGraphic(pGeometry, Cls3DMarkDraw.getRGB(71, 61, 255), 4, sPolyOutlineName, m_pCurrentSceneControl.Scene, pGroup);
m_pCurrentSceneControl.SceneGraph.RefreshViewers();
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;
}
}
