/// <summary>
/// 根据输入的要素在SceneControl中绘制元素 张琪 20110621
/// </summary>
/// <param name="pSceneControl"></param>
/// <param name="pGeom">几何要素</param>
/// <param name="pSym"></param>
public void AddGraphic(ISceneControl pSceneControl, IGeometry pGeom, ISymbol pSym)
{
if (pGeom == null)
{
return;
}
IElement pElement = null;
switch (pGeom.GeometryType.ToString())
{
case "esriGeometryPoint": //点要素
pElement = new MarkerElementClass();
IMarkerElement pPointElement = pElement as IMarkerElement;
if (pSym != null)
{
IMarkerSymbol pMarker3DSymbol = pSym as IMarkerSymbol;
pPointElement.Symbol = pMarker3DSymbol as IMarkerSymbol;
}
break;
case "esriGeometryPolyline": //线要素
pElement = new LineElementClass();
ILineElement pLineElement = pElement as ILineElement;
if (pSym != null)
{
ILineSymbol pLineSymbol = pSym as ILineSymbol;
pLineElement.Symbol = pLineSymbol;
}
break;
case "esriGeometryPolygon": //面要素
pElement = new PolygonElementClass();
IFillShapeElement pFillElement = pElement as IFillShapeElement;
if (pSym != null)
{
IFillSymbol pFillSymbol = pSym as IFillSymbol;
pFillElement.Symbol = pFillSymbol;
}
break;
case "esriGeometryMultiPatch": //多面体要素
pElement = new MultiPatchElementClass();
IFillShapeElement pMultiPatchElement = pElement as IFillShapeElement;
if (pSym != null)
{
IFillSymbol pFillSymbol = pSym as IFillSymbol;
pMultiPatchElement.Symbol = pFillSymbol as IFillSymbol;
}
break;
}
pElement.Geometry = pGeom;
IGraphicsContainer3D pGCon3D = pSceneControl.Scene.BasicGraphicsLayer as IGraphicsContainer3D;
pGCon3D.AddElement(pElement);//在SceneControl中绘制要素
IGraphicsSelection pGS = pGCon3D as IGraphicsSelection;
pSceneControl.Scene.SceneGraph.RefreshViewers();
}
/// <summary>
/// 根据IGeometry 生成一个Element，显示在地图上
/// </summary>
/// <param name="pGC3D">element的容器</param>
/// <param name="pGeom">element的几何信息</param>
/// <param name="pSym">符号</param>
/// <param name="sElementName">element的名称</param>
public static void AddGraphics(IGraphicsContainer pGC, IGeometry pGeom, ISymbol pSym, string sElementName)
{
if (pGeom.IsEmpty)
{
return;
}
IElementProperties pElemProps;
IElement pElement = null;
IFillShapeElement pFillElement;
//Point Type
if (pGeom.GeometryType == esriGeometryType.esriGeometryPoint)
{
pElement = new MarkerElementClass();
IMarkerElement pPointElement;
pPointElement = (IMarkerElement)pElement;
pPointElement.Symbol = (IMarkerSymbol)pSym;
pElement.Geometry = pGeom;
}
//Polyline Type
else if (pGeom.GeometryType == esriGeometryType.esriGeometryPolyline)
{
pElement = new LineElementClass();
ILineElement pLineElement;
pLineElement = (ILineElement)pElement;
pLineElement.Symbol = (ILineSymbol)pSym;
pElement.Geometry = pGeom;
}
//Polygon Type
else if (pGeom.GeometryType == esriGeometryType.esriGeometryPolygon)
{
pElement = new PolygonElementClass();
pFillElement = (IFillShapeElement)pElement;
pFillElement.Symbol = (IFillSymbol)pSym;
pElement.Geometry = pGeom;
}
//MultiPatch Type
else if (pGeom.GeometryType == esriGeometryType.esriGeometryMultiPatch)
{
pElement = new MultiPatchElementClass();
pFillElement = (IFillShapeElement)pElement;
pFillElement.Symbol = (IFillSymbol)pSym;
pElement.Geometry = pGeom;
}
if (pElement == null)
{
//Console.WriteLine("添加element时Element为null！");
return;
}
if (sElementName != "")
{
pElemProps = (IElementProperties)pElement;
pElemProps.Name = sElementName;
}
pGC.AddElement(pElement, 1);
}
public static IElement ConstructMultiPatchElement(IGeometry geometry, IColor color)
{
ISimpleFillSymbol simpleFillSymbol = new SimpleFillSymbolClass();
simpleFillSymbol.Color = color;
IElement element = new MultiPatchElementClass();
element.Geometry = geometry;
IFillShapeElement fillShapeElement = element as IFillShapeElement;
fillShapeElement.Symbol = simpleFillSymbol;
return element;
}
public static IElement ConstructMultiPatchElement(IGeometry geometry, IColor color)
{
ISimpleFillSymbol simpleFillSymbol = new SimpleFillSymbolClass();
simpleFillSymbol.Color = color;
IElement element = new MultiPatchElementClass();
element.Geometry = geometry;
IFillShapeElement fillShapeElement = element as IFillShapeElement;
fillShapeElement.Symbol = simpleFillSymbol;
return(element);
}
/// <summary>
/// 绘制三维对象 张琪 20110628
/// </summary>
/// <param name="pGeometry">三维对象</param>
/// <param name="pColor">颜色</param>
/// <param name="lSize">绘制的大小</param>
/// <param name="sName">名称</param>
/// <param name="pScene"></param>
/// <param name="pGroup"></param>
public static void AddSimpleGraphic(IGeometry pGeometry, IRgbColor pColor, int lSize, string sName, IScene pScene, IGroupElement pGroup)
{
if (pGeometry == null)
{
return;
}
IElement pElement = null;
//ISymbol pSym;
//根据绘制的对象类型对IElement进行不同的定义
switch (pGeometry.GeometryType.ToString())
{
case "esriGeometryPoint":
pElement = new MarkerElementClass();
IMarkerElement pPointElement = pElement as IMarkerElement;
ISimpleMarkerSymbol pMSym = new SimpleMarkerSymbolClass();
pMSym.Color = pColor;
pMSym.Size = lSize;
pMSym.Style = esriSimpleMarkerStyle.esriSMSCircle;
IMarkerSymbol pMarkerSymbol = pMSym as IMarkerSymbol;
pPointElement.Symbol = pMarkerSymbol;
break;
case "esriGeometryPolyline":
pElement = new LineElementClass();
ILineElement pLineElement = pElement as ILineElement;
ISimpleLineSymbol pLSym = new SimpleLineSymbolClass();
pLSym.Width = lSize;
pLSym.Style = esriSimpleLineStyle.esriSLSSolid;
pLSym.Color = pColor;
ILineSymbol pLineSymbol = pLSym as ILineSymbol;
pLineElement.Symbol = pLineSymbol;
break;
case "esriGeometryPolygon":
ISimpleLineSymbol pOutlineSym = new SimpleLineSymbolClass();
pOutlineSym.Color = pColor;
pOutlineSym.Width = lSize;
pOutlineSym.Style = esriSimpleLineStyle.esriSLSSolid;
if (sName == "_ReferancePlane_")
{
pColor.Transparency = Convert.ToByte(Convert.ToInt32(255 / 2));
}
pElement = new PolygonElementClass();
IFillShapeElement pPolygonElement = pElement as IFillShapeElement;
IFillSymbol pFSym = new SimpleFillSymbolClass();
pFSym.Color = pColor;
ILineSymbol pLineSymbol1 = pOutlineSym as ILineSymbol;
pFSym.Outline = pLineSymbol1;
pPolygonElement.Symbol = pFSym;
break;
case "esriGeometryMultiPatch":
pElement = new MultiPatchElementClass();
IFillShapeElement pFElement = pElement as IFillShapeElement;
IFillSymbol pFSymbol = pFElement.Symbol;
if (sName == "_ReferancePlane_")
{
pColor.Transparency = Convert.ToByte(Convert.ToInt32(255 / 2));
}
pFSymbol.Color = pColor;
pFElement.Symbol = pFSymbol;
break;
default:
break;
}
pElement.Geometry = pGeometry;
IElementProperties pElemProps = pElement as IElementProperties;
pElemProps.Name = sName;
if (pGroup == null)
{
IGraphicsContainer3D pGCon3D = pScene.BasicGraphicsLayer as IGraphicsContainer3D;
pGCon3D.AddElement(pElement);
}
else
{
pGroup.AddElement(pElement);
}
}