public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
m_ActiveView = m_hookHelper.ActiveView;
m_Map = m_hookHelper.FocusMap;
IScreenDisplay pScreenDisplay = m_ActiveView.ScreenDisplay;
IRubberBand pRubberCircle = new RubberCircleClass();
ISimpleFillSymbol pFillSymbol = new SimpleFillSymbolClass();
pFillSymbol.Color = getRGB(255, 255, 0);
IGeometry pCircle = pRubberCircle.TrackNew(pScreenDisplay, (ISymbol)pFillSymbol) as IGeometry;
IConstructCircularArc pConstructArc = pCircle as IConstructCircularArc;
IPolygon pPolygon = new PolygonClass();
ISegmentCollection pSegmentCollection = pPolygon as ISegmentCollection;
ISegment pSegment = pConstructArc as ISegment;
object missing = Type.Missing;
pSegmentCollection.AddSegment(pSegment, ref missing, ref missing);
pFillSymbol.Style = esriSimpleFillStyle.esriSFSDiagonalCross;
pFillSymbol.Color = getRGB(255, 0, 0);
IFillShapeElement pPolygonEle = new PolygonElementClass();
pPolygonEle.Symbol = pFillSymbol;
IElement pEle = pPolygonEle as IElement;
pEle.Geometry = pPolygon;
IGraphicsContainer pGraphicsContainer = m_Map as IGraphicsContainer;
pGraphicsContainer.AddElement(pEle, 0);
m_ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
/// <summary>
/// 构造圆形对象
/// </summary>
/// <param name="point"></param>
/// <param name="radius"></param>
/// <param name="isCCW"></param>
/// <returns></returns>
public ICircularArc CreateCircleArc(IPoint point, double radius, bool isCCW)
{
ICircularArc circularArc = new CircularArcClass();
IConstructCircularArc construtionCircularArc = circularArc as IConstructCircularArc;
construtionCircularArc.ConstructCircle(point, radius, isCCW);
return(circularArc);
}
public static ICircularArc ConstructCircularArc(IPoint centerPoint, IPoint fromPoint, bool isCCW, double arcDistance)
{
ICircularArc circularArc = new CircularArcClass();
IConstructCircularArc constructCircluarArc = circularArc as IConstructCircularArc;
constructCircluarArc.ConstructArcDistance(centerPoint, fromPoint, isCCW, arcDistance);
return(circularArc);
}
public static ICircularArc ConstructCircle(IPoint centerPoint, double radius)
{
ICircularArc circularArc = new CircularArcClass();
IConstructCircularArc constructCircluarArc = circularArc as IConstructCircularArc;
constructCircluarArc.ConstructCircle(centerPoint, radius, true);
return(circularArc);
}
private void CreateFeature(IGeometry pGeom)
{
IWorkspaceEdit pWorkspaceEdit = GetWorkspaceEdit();
IFeatureLayer pFeatureLayer = (IFeatureLayer)m_pCurrentLayer;
IFeatureClass pFeatureClass = pFeatureLayer.FeatureClass;
IConstructCircularArc pConstructArc = pGeom as IConstructCircularArc;
IPolygon pPolygon = new PolygonClass();
ISegmentCollection pSegmentCollection = pPolygon as ISegmentCollection;
ISegment pSegment = pConstructArc as ISegment;
object missing = Type.Missing;
pSegmentCollection.AddSegment(pSegment, ref missing, ref missing);
pWorkspaceEdit.StartEditOperation();
IFeature pFeature = pFeatureClass.CreateFeature();
pFeature.Shape = pPolygon;
pFeature.Store();
pWorkspaceEdit.StopEditOperation();
m_ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, m_pCurrentLayer, pGeom.Envelope);
}
private void CreateFeature(IGeometry pGeom)
{
if (pGeom == null)
{
return;
}
if (m_pCurrentLayer == null)
{
return;
}
// Create the feature
IWorkspaceEdit pWorkspaceEdit = GetWorkspaceEdit();
IFeatureLayer pFeatureLayer = (IFeatureLayer)m_pCurrentLayer;
IFeatureClass pFeatureClass = pFeatureLayer.FeatureClass;
IConstructCircularArc pConstructArc = pGeom as IConstructCircularArc;
IPolygon pPolygon = new PolygonClass();
ISegmentCollection pSegmentCollection = pPolygon as ISegmentCollection;
ISegment pSegment = pConstructArc as ISegment;
object missing = Type.Missing;
pSegmentCollection.AddSegment(pSegment, ref missing, ref missing);
pWorkspaceEdit.StartEditOperation();
IFeature pFeature = pFeatureClass.CreateFeature();
try
{
pFeature.Shape = pPolygon;
}
catch (Exception ex)
{
MessageBox.Show("创建要素", ex.Message);
}
pFeature.Store();
pWorkspaceEdit.StopEditOperation();
m_ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, m_pCurrentLayer, pGeom.Envelope);
}
public static IPolyline CreatePolyline(object[] paths)
{
IPolyline result = null;
IGeometryCollection pGeomCol = new PolylineClass();
object objMissing = Type.Missing;
foreach (object o in paths)//part
{
object[] ringpoints = o as object[];
if (ringpoints != null)
{
ISegmentCollection pSegCol = new PathClass();
ISegment pSeg = new LineClass();
IPoint pFromPt = new PointClass();
IPoint pToPt = new PointClass();
IPoint pEndPt = new PointClass();
List <PointObject> poList = new List <PointObject>();
foreach (object po in ringpoints)
{
PointObject pObj = new PointObject();
object[] ptxya = po as object[];
if (ptxya != null)
{
if (ptxya.Length == 3)
{
pObj.X = double.Parse(ptxya[0].ToString());
pObj.Y = double.Parse(ptxya[1].ToString());
pObj.A = int.Parse(ptxya[2].ToString());
}
else if (ptxya.Length == 2)
{
pObj.X = double.Parse(ptxya[0].ToString());
pObj.Y = double.Parse(ptxya[1].ToString());
pObj.A = 0;
}
else
{
throw new Exception("坐标串输入错误!");
}
poList.Add(pObj);
}
}
if (poList.Count < 2)
{
throw new Exception("至少保证两个点来确定一条线！");
}
for (int i = 0; i < poList.Count - 1; i++)
{
if (poList[i].A.Equals(1))//处理狐段
{
PointObject poF = null;
PointObject poT = null;
PointObject poE = null;
if (i - 1 < 0)
{
poF = poList[poList.Count - 2];
}
else
{
poF = poList[i - 1];
}
poT = poList[i];
poE = poList[i + 1];
pFromPt.PutCoords(poF.X, poF.Y);
pToPt.PutCoords(poT.X, poT.Y);
pEndPt.PutCoords(poE.X, poE.Y);
//圆弧
ICircularArc cirularArc = new CircularArcClass();
IConstructCircularArc constructCircularArc = cirularArc as IConstructCircularArc;
constructCircularArc.ConstructThreePoints(pFromPt, pToPt, pEndPt, true);
pSeg = cirularArc as ISegment;
pSegCol.AddSegment(pSeg, ref objMissing, ref objMissing);
}
else
{
if (poList[i + 1].A.Equals(0))//处理直线，否则不处理
{
pFromPt.PutCoords(poList[i].X, poList[i].Y);
pToPt.PutCoords(poList[i + 1].X, poList[i + 1].Y);
pSeg = new LineClass();
pSeg.FromPoint = pFromPt;
pSeg.ToPoint = pToPt;
//一根线段
pSegCol.AddSegment(pSeg, ref objMissing, ref objMissing);
}
}
}
//一个part
pGeomCol.AddGeometry(pSegCol as IGeometry, ref objMissing, ref objMissing);
}
}
result = pGeomCol as IPolyline;
return(result);
}
public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
// TODO: Add ToolCreateCircle.OnMouseDown implementation
if ((m_pMapCtl = ClsGlobal.GetMapControl(m_hookHelper)) == null)
{
return;
}
IPoint pPoint = m_pMapCtl.ToMapPoint(X, Y);
if (Button == 1)
{
if (m_NewCircleFeedback == null)
{
m_NewCircleFeedback = new NewCircleFeedbackClass();
m_NewCircleFeedback.Display = m_pMapCtl.ActiveView.ScreenDisplay;
m_NewCircleFeedback.Start(pPoint);
m_CenterPoint = pPoint;
}
else
{
try
{
object Miss = Type.Missing;
ICircularArc pArc = m_NewCircleFeedback.Stop();
//IGeometry geometry = new PolygonClass();
//geometry = m_pMapCtl.TrackCircle();
IPolygon pPolygon = new PolygonClass();
ISegment pArcC = pArc as ISegment;
ISegmentCollection pArcP = pPolygon as ISegmentCollection;
pArcP.AddSegment(pArcC, ref Miss, ref Miss);
pPolygon.Close();
IFeature pFeature = m_FLayer.FeatureClass.CreateFeature();
pFeature.Shape = pPolygon;
pFeature.Store();
m_pMapCtl.Refresh();
m_NewCircleFeedback = null;
}
catch (System.Exception ex)
{
}
}
}
if (Button == 2)
{
double radius = Math.Sqrt((pPoint.X - m_CenterPoint.X) * (pPoint.X - m_CenterPoint.X) + (pPoint.Y - m_CenterPoint.Y) * (pPoint.Y - m_CenterPoint.Y));
FrmDrawCircle frm = new FrmDrawCircle(radius);
IConstructCircularArc pArcConstruct = null;
if (m_NewCircleFeedback == null)
{
return;
}
if (frm.ShowDialog() == DialogResult.OK)
{
try
{
pArcConstruct = new CircularArcClass();
pArcConstruct.ConstructCircle(m_CenterPoint, frm.m_radius, false);
if (pArcConstruct != null)
{
IPolygon pPolygon = new PolygonClass();
ISegment pArcC = pArcConstruct as ISegment;
ISegmentCollection pArcP = pPolygon as ISegmentCollection;
pArcP.AddSegment(pArcC);
pPolygon.Close();
IFeature pFeature = m_FLayer.FeatureClass.CreateFeature();
pFeature.Shape = pPolygon;
pFeature.Store();
m_pMapCtl.Refresh();
m_NewCircleFeedback.Stop();
m_NewCircleFeedback = null;
}
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message);
if (m_NewCircleFeedback != null)
{
m_NewCircleFeedback.Stop();
}
m_NewCircleFeedback = null;
}
}
}
}
