//结束计算工作
public void EndCalculateDistance()
{
IGeometry pGeom = null;
IPolyline pPolyline;
IPointCollection pPointCollection;
System.Windows.Forms.DialogResult result;
pPolyline = (IPolyline)CommonFunction.MadeSegmentCollection(ref m_pRecordPointArray);
if (m_bInUse)
{
pPointCollection = (IPointCollection)pPolyline;
if (pPointCollection.PointCount < 2)
{
MessageBox.Show("线上必须有两个点!");
}
else
{
pGeom = (IGeometry)pPointCollection;
}
CommonFunction.AddElement(m_MapControl, pGeom);//绘制地图元素
result = MessageBox.Show("总长为:" + m_dblTotalDistance.ToString(".###") + "米", "距离计算", MessageBoxButtons.OK, MessageBoxIcon.Information);
if (result == DialogResult.OK)
{
Reset();//复位;
}
}
}
//结束计算面积工作
public void EndCalculateArea()
{
IGeometry pGeom = null;
IPolyline pPolyline;
IPolygon pPolygon;
IPointCollection pPointCollection;
System.Windows.Forms.DialogResult result;
pPolyline = (IPolyline)CommonFunction.MadeSegmentCollection(ref m_pRecordPointArray);
if (m_bInUse)
{
pPolygon = CommonFunction.PolylineToPolygon(pPolyline);
pPointCollection = (IPointCollection)pPolygon;
pGeom = (IGeometry)pPointCollection;
if (pPointCollection.PointCount < 3)
{
MessageBox.Show("计算面积必须有三个或三个以上的点!");
}
else
{
pGeom = (IGeometry)pPointCollection;
}
CommonFunction.AddElement(m_MapControl, pGeom);//绘制地图元素
result = MessageBox.Show("面积为:" + ((IArea)pPolygon).Area.ToString(".###") + "平方米" + CRLF + "周长为:" + pPolygon.Length.ToString(".###") + "米", "面积计算", MessageBoxButtons.OK, MessageBoxIcon.Information);
if (result == DialogResult.OK)
{
Reset();//复位;
}
}
}
private void CalculateCornerMouseDown(IPoint pPoint)
{
IGeometry pGeom = null;
if (!m_bInUse) //如果命令没有使用
{
m_pPoint1 = pPoint;
m_pLastPoint = pPoint;
m_pRecordPointArray.Add(m_pPoint1);
m_bInUse = true;
m_pFeedback = new NewLineFeedbackClass();
m_pLineFeed = (INewLineFeedback)m_pFeedback;
m_pLineFeed.Start(pPoint);
if (m_pFeedback != null)
{
m_pFeedback.Display = m_pActiveView.ScreenDisplay;
}
CommonFunction.DrawPointSMSSquareSymbol(m_MapControl, m_pPoint1);
}
else //如果命令正在使用
{
m_pPoint2 = pPoint;
m_pRecordPointArray.Add(pPoint);
m_bInUse = true;
m_pLineFeed.AddPoint(pPoint);
CommonFunction.DrawPointSMSSquareSymbol(m_MapControl, m_pPoint2);
if (m_pRecordPointArray.Count > 2)
{
IPolyline pPolyline;
pPolyline = (IPolyline)CommonFunction.MadeSegmentCollection(ref m_pRecordPointArray);
pGeom = (IGeometry)pPolyline;
CommonFunction.AddElement(m_MapControl, pGeom);
double dblZimuth = CommonFunction.GetAngleZuo_P123(m_pPoint1, (IPoint)m_pRecordPointArray.get_Element(1), m_pPoint2);
dblZimuth = CommonFunction.RadToDeg(dblZimuth);
System.Windows.Forms.DialogResult result;
string strResult = "三点夹角:" + dblZimuth.ToString(".#####") + "(°′″)";
strResult = strResult + CRLF;
strResult = strResult + "第一点坐标 X=" + m_pPoint1.X.ToString(".###") + "Y=" + m_pPoint1.Y.ToString(".###");
strResult = strResult + CRLF;
strResult = strResult + "第二点坐标 X=" + ((IPoint)m_pRecordPointArray.get_Element(1)).X.ToString(".###") + "Y=" + ((IPoint)m_pRecordPointArray.get_Element(1)).Y.ToString(".###");
strResult = strResult + CRLF;
strResult = strResult + "第三点坐标 X=" + m_pPoint2.X.ToString(".###") + "Y=" + m_pPoint2.Y.ToString(".###");
result = MessageBox.Show(strResult, "三点夹角计算", MessageBoxButtons.OK, MessageBoxIcon.Information);
if (result == DialogResult.OK)
{
Reset(); //复位;
}
}
}
}
private void CalculateZimuthMouseDown(IPoint pPoint)
{
IGeometry pGeom = null;
if (!m_bInUse) //如果命令没有使用
{
m_pPoint1 = pPoint;
m_pLastPoint = pPoint;
m_pRecordPointArray.Add(m_pPoint1);
m_bInUse = true;
m_pFeedback = new NewLineFeedbackClass();
m_pLineFeed = (INewLineFeedback)m_pFeedback;
m_pLineFeed.Start(pPoint);
if (m_pFeedback != null)
{
m_pFeedback.Display = m_pActiveView.ScreenDisplay;
}
CommonFunction.DrawPointSMSSquareSymbol(m_pMapControl, m_pPoint1);
}
else //如果命令正在使用
{
m_pPoint2 = pPoint;
m_pRecordPointArray.Add(m_pPoint2);
CommonFunction.DrawPointSMSSquareSymbol(m_pMapControl, m_pPoint2);
IPolyline pPolyline;
pPolyline = (IPolyline)CommonFunction.MadeSegmentCollection(ref m_pRecordPointArray);
pGeom = (IGeometry)pPolyline;
CommonFunction.AddElement(m_pMapControl, pGeom);
double dblZimuth = CommonFunction.GetAzimuth_P12(m_pPoint1.Y, m_pPoint1.X, m_pPoint2.Y, m_pPoint2.X);
dblZimuth = CommonFunction.RadToDeg(dblZimuth);
strResult1 = dblZimuth.ToString(".#####") + " (°) ";
strResult2 = "X=" + m_pPoint1.X.ToString(".##") + "; " + "Y=" + m_pPoint1.Y.ToString(".##");
strResult3 = "X=" + m_pPoint2.X.ToString(".##") + "; " + "Y=" + m_pPoint2.Y.ToString(".##");
if (strResult1 != null && strResult2 != null && strResult3 != null)
{
FrmAzimuthAngle frmAzimuthAngle = FrmAzimuthAngle.Instance();
frmAzimuthAngle.ShowDialog();
}
if (m_pRecordPointArray.Count != 0)
{
m_pRecordPointArray.RemoveAll();
}
m_bInUse = false;
}
}
public override void OnMouseDown(int button, int shift, int x, int y, double mapX, double mapY)
{
IGeometry Geom = null;
if (!m_bInUse)
{
downPoint = m_pAnchorPoint;
m_pRecordPointArray.Add(downPoint);
m_pCircleFeed = new NewCircleFeedbackClass();
m_bInUse = true;
m_pCircleFeed.Display = m_pActiveView.ScreenDisplay;
m_pLineFeed = new NewLineFeedbackClass();
m_pLineFeed.Start(downPoint);
m_pCircleFeed.Start(downPoint);
}
else //如果命令正在使用
{
if (pGraphicsContainer != null)
{
pGraphicsContainer.DeleteAllElements();
}
movePoint = m_pAnchorPoint;
//画半径线
m_pRecordPointArray.Add(movePoint);
IPolyline pPolyline;
pPolyline = (IPolyline)CommonFunction.MadeSegmentCollection(ref m_pRecordPointArray);
Geom = (IGeometry)pPolyline;
CommonFunction.AddElement(m_pMapControl, Geom);
m_radius = CommonFunction.GetDistance_P12(downPoint, movePoint); //半径
//m_radius = Math.Round( m_radius,1,MidpointRounding.AwayFromZero);//保留一位小数
//缓冲半径文本
ITextElement iTextElement = new TextElementClass();
iTextElement.Text = m_radius.ToString(".##") + "米";
ITextSymbol sce = new TextSymbolClass();
sce.Size = 15 /*SystemInfo.Instance.TextSize*/;
Color color = ColorTranslator.FromHtml(SystemInfo.Instance.TextColor);
IColor pColor = new RgbColorClass();
pColor.RGB = color.B * 65536 + color.G * 256 + color.R;
sce.Color = pColor;
iTextElement.Symbol = sce;
IElement iElement = (IElement)iTextElement;
iElement.Geometry = Geom;
this.m_pMapControl.ActiveView.GraphicsContainer.AddElement(iElement, 0);
this.m_pMapControl.ActiveView.Refresh();
//画圆
pSegmentCollection = new PolygonClass();
pSegmentCollection.SetCircle(downPoint, m_radius);
pGeom = pSegmentCollection as IGeometry;
if (pGeom != null)
{
AddCreateCircleElement(pGeom, this.m_pMapControl.ActiveView);
this.m_pMapControl.ActiveView.Refresh();
GetPipeInfo();
}
if (m_pRecordPointArray.Count != 0)
{
m_pRecordPointArray.RemoveAll();
}
m_bInUse = false;
}
}
