public void AddCreateElement(IGeometry pCircularArc, IActiveView pAV)
{
IFillShapeElement pElemFillShp;
IElement pElem;
ISimpleFillSymbol pSFSym;
ISegmentCollection pSegColl = new PolygonClass();
object missing = Type.Missing;
ISegment segement = (ISegment)pCircularArc;
pSegColl.AddSegment(segement, missing, missing);
pElem = new CircleElementClass();
pElem.Geometry = (IGeometry)pSegColl;
pElemFillShp = (IFillShapeElement)pElem;
pSFSym = new SimpleFillSymbolClass();
Color color = ColorTranslator.FromHtml(SystemInfo.Instance.FillColor);
IColor pColor = new RgbColorClass();
pColor.RGB = color.B * 65536 + color.G * 256 + color.R;
pSFSym.Color = pColor;
pSFSym.Style = esriSimpleFillStyle.esriSFSSolid;
pElemFillShp.Symbol = pSFSym;
pGraphicsContainer = pAV as IGraphicsContainer;
pGraphicsContainer.AddElement(pElem, 0);
}
/// <summary>
/// 构造函数
/// </summary>
/// <param name="_mapControl">地图控件</param>
/// <param name="element">图元</param>
public EditCircle(AxMapControl _mapControl, IMFElement element)
{
mapControl = _mapControl;
markerList = new List <EditMarker>();
circleElement = element as CircleElementClass;
circleArcMap = circleElement as Circle_ArcMap;
}
private void AddCircleElement(IGeometry pGeo, IActiveView pAv)
{
ISegmentCollection pSegColl;
pSegColl = new PolygonClass();
object Missing1 = Type.Missing;
object Missing2 = Type.Missing;
pSegColl.AddSegment(pGeo as ISegment, ref Missing1, ref Missing2);
ISimpleLineSymbol pLineSym;
pLineSym = new SimpleLineSymbolClass();
pLineSym.Color = getRGB(110, 22, 125);
pLineSym.Style = esriSimpleLineStyle.esriSLSSolid;
pLineSym.Width = 2;
ISimpleFillSymbol pSimpleFillSym;
pSimpleFillSym = new SimpleFillSymbolClass();
pSimpleFillSym.Color = getRGB(66, 55, 145);
pSimpleFillSym.Outline = pLineSym;
pSimpleFillSym.Style = esriSimpleFillStyle.esriSFSCross;
IElement pPolygonEle;
pPolygonEle = new CircleElementClass();
pPolygonEle.Geometry = pSegColl as IGeometry;
IFillShapeElement pFillEle;
pFillEle = pPolygonEle as IFillShapeElement;
pFillEle.Symbol = pSimpleFillSym;
IGraphicsContainer pGraphicsContainer;
pGraphicsContainer = pAv as IGraphicsContainer;
pGraphicsContainer.AddElement(pFillEle as IElement, 0);
pAv.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
private void AddCircleElement(IGeometry pCircularArc, IActiveView pAV)
{
IFillShapeElement pElemFillShp;
IElement pElem;
ISimpleFillSymbol pSFSym;
IGraphicsContainer pGraphicsContainer;
pElem = new CircleElementClass();
pElem.Geometry = (IGeometry)pCircularArc;
pElemFillShp = (IFillShapeElement)pElem;
pSFSym = new SimpleFillSymbolClass();
Color color = ColorTranslator.FromHtml(SystemInfo.Instance.FillColor);
IColor pColor = new RgbColorClass();
pColor.RGB = color.B * 65536 + color.G * 256 + color.R;
pSFSym.Color = pColor;
pSFSym.Style = esriSimpleFillStyle.esriSFSDiagonalCross;
ISimpleLineSymbol pSLSym = new SimpleLineSymbol();
pSLSym.Style = esriSimpleLineStyle.esriSLSSolid;
pSLSym.Width = 1;
pSLSym.Color = pColor;
pSFSym.Outline = pSLSym;
pElemFillShp.Symbol = pSFSym;
pGraphicsContainer = pAV as IGraphicsContainer;
pGraphicsContainer.AddElement(pElem, 0);
}
/// <summary>
/// 在图形容器中创建圆形元素
/// </summary>
/// <param name="graphicsContainer">图形容器，新建的元素将添加到该图形容器中</param>
/// <param name="circle">圆形，用于创建圆形元素</param>
/// <returns></returns>
public static IFillShapeElement CreateCircleElement(this IGraphicsContainer graphicsContainer, IGeometry circle)
{
IFillShapeElement circleElement = new CircleElementClass();
IElement element = (IElement)circleElement;
element.Geometry = circle;
graphicsContainer.AddElement(element, 0);
return(circleElement);
}
/// <summary>
/// 创建图形元素
/// </summary>
/// <param name="pGeometry">几何图形</param>
/// <param name="lineColor">边框颜色</param>
/// <param name="fillColor">填充颜色</param>
/// <returns></returns>
private static IElement CreateElement(IGeometry pGeometry, IRgbColor lineColor, IRgbColor fillColor)
{
if (pGeometry == null || lineColor == null || fillColor == null)
{
return(null);
}
IElement pElem = null;
try
{
if (pGeometry is IEnvelope)
{
pElem = new RectangleElementClass();
}
else if (pGeometry is IPolygon)
{
pElem = new PolygonElementClass();
}
else if (pGeometry is ICircularArc)
{
ISegment pSegCircle = pGeometry as ISegment;//QI
ISegmentCollection pSegColl = new PolygonClass();
object o = Type.Missing;
pSegColl.AddSegment(pSegCircle, ref o, ref o);
IPolygon pPolygon = pSegColl as IPolygon;
pGeometry = pPolygon as IGeometry;
pElem = new CircleElementClass();
}
else if (pGeometry is IPolyline)
{
pElem = new LineElementClass();
}
if (pElem == null)
{
return(null);
}
pElem.Geometry = pGeometry;
IFillShapeElement pFElem = pElem as IFillShapeElement;
ISimpleFillSymbol pSymbol = new SimpleFillSymbolClass();
pSymbol.Color = fillColor;
pSymbol.Outline.Color = lineColor;
pSymbol.Style = esriSimpleFillStyle.esriSFSCross;
if (pSymbol == null)
{
return(null);
}
pFElem.Symbol = pSymbol;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
return(pElem);
}
/// <summary>
/// 创建图形元素
/// </summary>
/// <param name="geometry">几何图形</param>
/// <param name="lineColor">边界颜色</param>
/// <param name="fillColor">填充颜色</param>
/// <returns>图形元素</returns>
public static IElement CreateElement(IGeometry geometry, IRgbColor lineColor, IRgbColor fillColor)
{
if (geometry == null || lineColor == null || fillColor == null)
{
return(null);
}
IElement element = null;
// 判断图形的类型
if (geometry is IEnvelope)
{
element = new RectangleElementClass();
}
else if (geometry is IPolygon)
{
element = new PolygonElementClass();
}
else if (geometry is ICircularArc)
{
ISegment segment = geometry as ISegment;
ISegmentCollection segmentCollection = new PolygonClass();
segmentCollection.AddSegment(segment, Type.Missing, Type.Missing);
IPolygon polygon = segmentCollection as IPolygon;
geometry = polygon as IGeometry;
element = new CircleElementClass();
}
else if (geometry is IPolyline)
{
element = new LineElementClass();
}
if (element == null)
{
return(null);
}
element.Geometry = geometry;
ISimpleFillSymbol symbol = new SimpleFillSymbolClass();
symbol.Outline.Color = lineColor;
symbol.Color = fillColor;
symbol.Style = esriSimpleFillStyle.esriSFSCross;
if (symbol == null)
{
return(null);
}
IFillShapeElement fillShapeElement = element as IFillShapeElement;
fillShapeElement.Symbol = symbol;
return(element);
}
/// <summary>
/// 释放资源
/// </summary>
public void Dispose()
{
circleElement = null;
CommondExecutedEvent = null;
layer = null;
currentMarker = null;
currentPoint = null;
circleArcMap = null;
markerList = null;
centerMarker = null;
mapControl = null;
mapLogic = null;
}
private void AddCircleElement()
{
IGeometry pGeometry = axMapControl1.TrackCircle();
if (pGeometry == null)
{
return;
}
ICircleElement pCircleElement = new CircleElementClass();
IElement pElement = pCircleElement as IElement;
pElement.Geometry = pGeometry;
AddElement(pElement);
}
/// <summary>
/// 移除图元
/// </summary>
/// <param name="element">要移除的圆图元</param>
/// <param name="layer">图元的所在图层</param>
/// <returns></returns>
public bool RemoveElement(Core.Interface.IMFElement element, ILayer layer)
{
if (element == null)
{
return(true);
}
CompositeGraphicsLayerClass graphicLayer = layer as CompositeGraphicsLayerClass;
if (graphicLayer == null)
{
return(true);
}
CircleElementClass circleElement = element as CircleElementClass;
graphicLayer.DeleteElement(circleElement);
return(true);
}
public override void OnMouseUp(int Button, int Shift, int X, int Y)
{
IPoint point = this.m_mapControl.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
IGeometry geometry = null;
IElement element = null;
switch (this.DrawType)
{
case EnumDrawType.circle:
if (this.m_circleFeedback != null)
{
ICircularArc circularArc = this.m_circleFeedback.Stop();
this.m_circleFeedback = null;
if (circularArc == null || circularArc.IsPoint)
{
return;
}
geometry = MapAPI.ConvertCircularArcToPolygon(circularArc);
element = new CircleElementClass();
}
break;
case EnumDrawType.square:
if (this.m_rectangleFeedback != null)
{
geometry = this.m_rectangleFeedback.Stop(point);
if ((geometry as IPointCollection).PointCount == 2)
{
this.m_rectangleFeedback = null;
return;
}
this.m_rectangleFeedback = null;
element = new PolygonElementClass();
}
break;
}
if (geometry != null)
{
element.Geometry = geometry;
this.AppendNodeToTreeList(element);
}
}
private int AddCepGraphic(IPoint point, IList <double> circleRadii)
{
//Create a new center point graphic
IMarkerSymbol symbol = new SimpleMarkerSymbolClass();
symbol.Color = EsriColor(Defaults.CepCenterPointColor);
symbol.Size = Defaults.CepCenterPointSize;
IElement centerPoint = new MarkerElementClass();
((IMarkerElement)centerPoint).Symbol = symbol;
centerPoint.Geometry = point;
//Create a graphic group and add the center point graphic
IGroupElement group = new GroupElementClass();
group.AddElement(centerPoint);
//Add the circles to the group
for (int i = 0; i < circleRadii.Count; i++)
{
IConstructCircularArc arc = new CircularArcClass();
arc.ConstructCircle(point, circleRadii[i], false);
IGeometry polygon = new PolygonClass();
((ISegmentCollection)polygon).AddSegment((ISegment)arc);
IElement circle = new CircleElementClass();
circle.Geometry = polygon;
Color circleColor = Defaults.CepCircleOutlineColors.Length > i
? Defaults.CepCircleOutlineColors[i]
: Defaults.CepCircleOutlineColors[Defaults.CepCircleOutlineColors.Length - 1];
double circleWidth = Defaults.CepCircleOutlineWidths.Length > i
? Defaults.CepCircleOutlineWidths[i]
: Defaults.CepCircleOutlineWidths[Defaults.CepCircleOutlineWidths.Length - 1];
((IFillShapeElement)circle).Symbol = GetCircleSymbol(circleColor, circleWidth);
group.AddElement(circle);
}
//Give it the group an id number and add it to the graphics layer
_elementId++;
((IElementProperties)group).CustomProperty = _elementId;
((IGraphicsContainer)GraphicsLayer).AddElement((IElement)group, 0);
return(_elementId);
}
private void drawCircle_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
this.type = 3;
ICircleElement circleEle = new CircleElementClass();
pElement = circleEle as IElement;
SimpleFillSymbol simpleFill = new SimpleFillSymbolClass();
simpleFill.Style = esriSimpleFillStyle.esriSFSNull;
simpleFill.Color = GisClass.GetRgbColor(255, 0, 0);
//设置边线颜色
ILineSymbol lineSymbol = new SimpleLineSymbol();
lineSymbol.Color = GisClass.GetRgbColor(255, 0, 0);
IFillShapeElement shapeEle = pElement as IFillShapeElement;
simpleFill.Outline = lineSymbol;
shapeEle.Symbol = simpleFill;
pGraphicsContainer.AddElement(pElement, 0);
}
private IElement DrawCircle(double radius, double x, double y)
{
IPoint centralPoint = new PointClass();
centralPoint.PutCoords(x, y);
// 创建园
ICircularArc circularArc = new CircularArcClass();
IConstructCircularArc construtionCircularArc = circularArc as IConstructCircularArc;
construtionCircularArc.ConstructCircle(centralPoint, radius, true);
ISegment pSegment1 = circularArc as ISegment;
//通过ISegmentCollection构建Ring对象
ISegmentCollection pSegCollection = new RingClass();
object o = Type.Missing;
//添加Segement对象即圆
pSegCollection.AddSegment(pSegment1, ref o, ref o);
//QI到IRing接口封闭Ring对象，使其有效
IRing pRing = pSegCollection as IRing;
pRing.Close();
//通过Ring对象使用IGeometryCollection构建Polygon对象
IGeometryCollection pGeometryColl = new PolygonClass();
pGeometryColl.AddGeometry(pRing, ref o, ref o);
//构建一个CircleElement对象
IElement pElement = new CircleElementClass();
pElement.Geometry = pGeometryColl as IGeometry;
IFillShapeElement pFillShapeElement = pElement as IFillShapeElement;
ISimpleFillSymbol pFillSymbol = new SimpleFillSymbolClass();
//pFillSymbol.Color = pCircleColor;
ILineSymbol pLineSymbol = new SimpleLineSymbolClass();
// pLineSymbol.Color = DefineColor(0, 255, 0);
pFillSymbol.Outline = pLineSymbol;
pFillShapeElement.Symbol = pFillSymbol;
IFillShapeElement circleElement = pElement as IFillShapeElement;
circleElement.Symbol = pFillSymbol;
IGraphicsContainer pGC = this.axMapControl.ActiveView.GraphicsContainer;
pGC.AddElement(pElement, 0);
axMapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
return pElement;
}
/// <summary>
/// 把Geometry弄成一个element，添加到地图上
/// </summary>
/// <param name="pGeometry"></param>
private void AddElement(IGeometry pGeometry)
{
try
{
IElement pElement = null;
ISimpleLineSymbol pSimpleLineSymbol = new SimpleLineSymbolClass();
pSimpleLineSymbol.Width = 2;
pSimpleLineSymbol.Style = esriSimpleLineStyle.esriSLSSolid;
ISimpleFillSymbol pSimpleFillSymbol = new SimpleFillSymbolClass();
pSimpleFillSymbol.Style = esriSimpleFillStyle.esriSFSSolid;
pSimpleFillSymbol.Outline = pSimpleLineSymbol;
if (pGeometry.GeometryType == esriGeometryType.esriGeometryPolyline)//多义线
{
ILineElement pLineElement = new LineElementClass();
pLineElement.Symbol = pSimpleLineSymbol;
pElement = pLineElement as IElement;
pElement.Geometry = pGeometry;
}
else if (pGeometry.GeometryType == esriGeometryType.esriGeometryCircularArc)//圆
{
ISegmentCollection pSegmentCollection;
pSegmentCollection = new PolygonClass();
object Missing = Type.Missing;//注意
pSegmentCollection.AddSegment(pGeometry as ISegment, ref Missing, ref Missing);//后两个参数必须是这样,帮助说的,为什么??
pElement = new CircleElementClass();
pElement.Geometry = pSegmentCollection as IGeometry;
IFillShapeElement pFillShapeElement = pElement as IFillShapeElement;
pFillShapeElement.Symbol = pSimpleFillSymbol;
}
else if (pGeometry.GeometryType == esriGeometryType.esriGeometryEnvelope)//矩形
{
pElement = new RectangleElementClass();
pElement.Geometry = pGeometry;
IFillShapeElement pFillShapeElement = pElement as IFillShapeElement;
pFillShapeElement.Symbol = pSimpleFillSymbol;
}
else if (pGeometry.GeometryType == esriGeometryType.esriGeometryPolygon)//多边形
{
pElement = new PolygonElementClass();
pElement.Geometry = pGeometry;
IFillShapeElement pFillShapeElement = pElement as IFillShapeElement;
pFillShapeElement.Symbol = pSimpleFillSymbol;
}
else if (pGeometry.GeometryType == esriGeometryType.esriGeometryBezier3Curve)//Bezier曲线
{
pElement = new LineElementClass();
pElement.Geometry = pGeometry;
ILineElement pLineElement = pElement as ILineElement;
pLineElement.Symbol = pSimpleLineSymbol;
}
this.pGraphicContainer.AddElement(pElement, 0);
this.axMapControl1.Refresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
/// <summary>
/// 把Geometry弄成一个element，添加到地图上
/// </summary>
/// <param name="pGeometry"></param>
private void AddElement(IGeometry pGeometry)
{
try
{
IElement pElement = null;
ISimpleLineSymbol pSimpleLineSymbol = new SimpleLineSymbolClass();
pSimpleLineSymbol.Width = 2;
pSimpleLineSymbol.Style = esriSimpleLineStyle.esriSLSSolid;
ISimpleFillSymbol pSimpleFillSymbol = new SimpleFillSymbolClass();
pSimpleFillSymbol.Style = esriSimpleFillStyle.esriSFSSolid;
pSimpleFillSymbol.Outline = pSimpleLineSymbol;
if (pGeometry.GeometryType == esriGeometryType.esriGeometryPolyline)//多义线
{
ILineElement pLineElement = new LineElementClass();
pLineElement.Symbol = pSimpleLineSymbol;
pElement = pLineElement as IElement;
pElement.Geometry = pGeometry;
}
else if (pGeometry.GeometryType == esriGeometryType.esriGeometryCircularArc)//圆
{
ISegmentCollection pSegmentCollection;
pSegmentCollection = new PolygonClass();
object Missing = Type.Missing; //注意
pSegmentCollection.AddSegment(pGeometry as ISegment, ref Missing, ref Missing); //后两个参数必须是这样,帮助说的,为什么??
pElement = new CircleElementClass();
pElement.Geometry = pSegmentCollection as IGeometry;
IFillShapeElement pFillShapeElement = pElement as IFillShapeElement;
pFillShapeElement.Symbol = pSimpleFillSymbol;
}
else if (pGeometry.GeometryType == esriGeometryType.esriGeometryEnvelope)//矩形
{
pElement = new RectangleElementClass();
pElement.Geometry = pGeometry;
IFillShapeElement pFillShapeElement = pElement as IFillShapeElement;
pFillShapeElement.Symbol = pSimpleFillSymbol;
}
else if (pGeometry.GeometryType == esriGeometryType.esriGeometryPolygon)//多边形
{
pElement = new PolygonElementClass();
pElement.Geometry = pGeometry;
IFillShapeElement pFillShapeElement = pElement as IFillShapeElement;
pFillShapeElement.Symbol = pSimpleFillSymbol;
}
else if (pGeometry.GeometryType == esriGeometryType.esriGeometryBezier3Curve)//Bezier曲线
{
pElement = new LineElementClass();
pElement.Geometry = pGeometry;
ILineElement pLineElement = pElement as ILineElement;
pLineElement.Symbol = pSimpleLineSymbol;
}
this.pGraphicContainer.AddElement(pElement, 0);
this.axMapControl1.Refresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
