/// <summary>
/// 地图缩放至指定图形并闪烁
/// </summary>
/// <param name="axMapControl">地图控件</param>
/// <param name="geometry">闪烁的图像</param>
/// <param name="nFlashes">闪烁次数</param>
public static void MapZoomToAndFlash(this AxMapControl axMapControl, IGeometry geometry, int nFlashes = 2)
{
MapZoomTo(axMapControl.ActiveView, geometry);
//地图闪烁
object symbol = null;
switch (geometry.GeometryType)
{
case esriGeometryType.esriGeometryPoint:
symbol = RenderOpt.GetSimpleMarkerSymbol("ff0000");
break;
case esriGeometryType.esriGeometryLine:
case esriGeometryType.esriGeometryPolyline:
symbol = RenderOpt.GetSimpleLineSymbol("ff0000");
break;
case esriGeometryType.esriGeometryPolygon:
symbol = RenderOpt.GetSimpleFillSymbol("99ccff", "ff0000");
break;
}
if (symbol == null)
{
return;
}
axMapControl.FlashShape(geometry, nFlashes, 200, symbol);
}
/// <summary>
/// 创建几何图形对应的用于高亮显示的元素
/// </summary>
/// <param name="geometry"></param>
/// <returns></returns>
private static IElement CreateHightLightElement(IGeometry geometry)
{
IElement element = null;
IColor redcolor = RenderOpt.GetIColor(255, 0, 0, 50);
IColor bluecolor = RenderOpt.GetIColor(0, 0, 255);
switch (geometry.GeometryType)
{
case esriGeometryType.esriGeometryLine:
case esriGeometryType.esriGeometryPolyline:
element = new LineElementClass();
element.Geometry = geometry;
((ILineElement)element).Symbol = RenderOpt.GetSimpleLineSymbol(redcolor);
break;
case esriGeometryType.esriGeometryPolygon:
element = new PolygonElementClass();
element.Geometry = geometry;
((PolygonElementClass)element).Symbol = RenderOpt.GetSimpleFillSymbol(redcolor, bluecolor);
break;
case esriGeometryType.esriGeometryPoint:
element = new MarkerElementClass();
element.Geometry = geometry;
IMarkerSymbol pisymbol = new SimpleMarkerSymbolClass();
pisymbol.Color = (IColor)redcolor;
pisymbol.Size = 6;
((MarkerElementClass)element).Symbol = pisymbol;
break;
}
return(element);
}
//主地图：地图范围（Extent）变化
private void axMapControlMainMap_OnExtentUpdated(object sender, IMapControlEvents2_OnExtentUpdatedEvent e)
{
#region 主地图地图范围Extent变化时，鹰眼中的地图范围Extent也跟随着变化
IEnvelope envelope = (IEnvelope)e.newEnvelope; //得到主地图的新范围
IGraphicsContainer graphicsContainer = axMapControlEagleMap.Map as IGraphicsContainer;
IActiveView activeView = graphicsContainer as IActiveView;
graphicsContainer.DeleteAllElements(); //在绘制前，清除axMapControlEagleMap中的任何图形元素
IRectangleElement rectangleElement = new RectangleElement() as IRectangleElement;
IElement element = rectangleElement as IElement;
element.Geometry = envelope;
//产生一个线符号对象,设置鹰眼中的红线框
ILineSymbol lineSymbol = new SimpleLineSymbol();
lineSymbol.Width = 1.6;
lineSymbol.Color = RenderOpt.GetIColor(255, 0, 0);
//设置填充符号的属性
IFillSymbol fillSymbol = new SimpleFillSymbol();
fillSymbol.Color = RenderOpt.GetIColor(255, 0, 0, 0);
fillSymbol.Outline = lineSymbol;
IFillShapeElement fillShapeElement = element as IFillShapeElement;
fillShapeElement.Symbol = fillSymbol;
graphicsContainer.AddElement((IElement)fillShapeElement, 0);
//刷新
envelope.Expand(2, 2, true);
activeView.Extent = envelope;
activeView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
#endregion
}
//主地图：鼠标点击（绘制图形、查询、数据编辑）
private void axMapControlMainMap_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
int statusFlag = CommonLib.MapMouseFlag;
if (e.button == 2)
{
if (statusFlag <= 7)
{
_toolBarMenu.PopupMenu(e.x, e.y, axMapControlMainMap.hWnd);
}
}
else if (e.button == 4)
{
esriControlsMousePointer pointer = axMapControlMainMap.MousePointer;
axMapControlMainMap.MousePointer = esriControlsMousePointer.esriPointerPan;
axMapControlMainMap.Pan();
axMapControlMainMap.MousePointer = pointer;
}
if (statusFlag <= 1)
{
return;
}
axMapControlMainMap.MousePointer = esriControlsMousePointer.esriPointerCrosshair;//鼠标指针:十字状
IPoint pPoint = axMapControlMainMap.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(e.x, e.y);
#region 8-9:测距离、测面积
if (statusFlag >= 8 && statusFlag <= 9)
{
measureResultPanel.Visible = true;
switch (statusFlag)
{
case 8: //测距离
if (e.button == 1)
{
if (!_measureTool.IsSurveying)
{
_measureTool.LengthStart(axMapControlMainMap.ToMapPoint(e.x, e.y));
}
else
{
_measureTool.AddPoint(axMapControlMainMap.ToMapPoint(e.x, e.y));
}
}
else
{
if (_measureTool.IsSurveying)
{
object lineSymbolObj = RenderOpt.GetSimpleLineSymbol("ff0000");
axMapControlMainMap.DrawShape(_measureTool.SurveyEnd(axMapControlMainMap.ToMapPoint(e.x, e.y)), ref lineSymbolObj);
measureResultLabel.Text = "总长度：" + _measureTool.TotalLength.ToString("F2") + "米" + Environment.NewLine + Environment.NewLine;
measureResultLabel.Text += "当前长度: " + _measureTool.CurrentLength.ToString("F2") + "米";
measureResultLabel.Refresh();
_measureTool.SurveyEnd(axMapControlMainMap.ToMapPoint(e.x, e.y));
}
}
break;
case 9: //测面积
if (e.button == 1)
{
if (!_measureTool.IsSurveying)
{
_measureTool.AreaStart(axMapControlMainMap.ToMapPoint(e.x, e.y));
_areaPointCount = 1;
}
else
{
_measureTool.AddPoint(axMapControlMainMap.ToMapPoint(e.x, e.y));
_areaPointCount++;
}
}
else
{
if (_measureTool.IsSurveying && _areaPointCount > 1)
{
object fillSymbolObj = RenderOpt.GetSimpleFillSymbol("99ccff", "ff0000");
axMapControlMainMap.DrawShape(_measureTool.SurveyEnd(axMapControlMainMap.ToMapPoint(e.x, e.y)), ref fillSymbolObj);
measureResultLabel.Text = "面积：" + _measureTool.Area.ToString("#########.##") + "平方米";
measureResultLabel.Refresh();
_measureTool.SurveyEnd(axMapControlMainMap.ToMapPoint(e.x, e.y));
}
}
break;
}
}
#endregion
#region 11-19：空间查询(画点、线、面)
else if (statusFlag >= 11 && statusFlag <= 19)
{
object symbol = null;
switch (statusFlag)
{
case 11:
CommonLib.MapGeometry = new PointClass {
X = e.mapX, Y = e.mapY
};
symbol = RenderOpt.GetSimpleMarkerSymbol("ff0000");
break;
case 12:
CommonLib.MapGeometry = axMapControlMainMap.TrackLine();
symbol = RenderOpt.GetSimpleLineSymbol("ff0000");
break;
case 13:
CommonLib.MapGeometry = axMapControlMainMap.TrackPolygon();
symbol = RenderOpt.GetSimpleFillSymbol("99ccff", "ff0000");
break;
case 14:
CommonLib.MapGeometry = axMapControlMainMap.TrackRectangle();
symbol = RenderOpt.GetSimpleFillSymbol("99ccff", "ff0000");
break;
default:
CommonLib.MapGeometry = null;
break;
}
if (CommonLib.MapGeometry != null)
{
axMapControlMainMap.DrawShape(CommonLib.MapGeometry, ref symbol);
}
}
#endregion
}
private void axMapControlMainMap_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
int statusFlag = CommonLib.MapMouseFlag;
if (statusFlag <= 1)
{
return;
}
AxMapControlMainMap.MousePointer = esriControlsMousePointer.esriPointerCrosshair;//鼠标指针:十字状
IPoint pPoint = AxMapControlMainMap.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(e.x, e.y);
#region 11-19：空间查询(画点、线、面)
if (statusFlag >= 11 && statusFlag <= 19)
{
object symbol = null;
switch (statusFlag)
{
case 11:
IPoint point = new ESRI.ArcGIS.Geometry.Point();
point.X = e.mapX;
point.Y = e.mapY;
CommonLib.MapGeometry = point;
symbol = RenderOpt.GetSimpleMarkerSymbol("ff0000");
break;
case 12:
CommonLib.MapGeometry = AxMapControlMainMap.TrackLine();
symbol = RenderOpt.GetSimpleLineSymbol("ff0000");
break;
case 13:
CommonLib.MapGeometry = AxMapControlMainMap.TrackPolygon();
symbol = RenderOpt.GetSimpleFillSymbol("99ccff", "ff0000");
break;
case 14:
CommonLib.MapGeometry = AxMapControlMainMap.TrackRectangle();
symbol = RenderOpt.GetSimpleFillSymbol("99ccff", "ff0000");
break;
default:
CommonLib.MapGeometry = null;
break;
}
if (CommonLib.MapGeometry != null)
{
//axMapControlMainMap.Map.SelectByShape(CommonLib.MapGeometry, null, false);
//axMapControlMainMap.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
AxMapControlMainMap.DrawShape(CommonLib.MapGeometry, ref symbol);
}
}
#endregion
#region
//#region 绘制图形
//if (CommonLib.MapMouseFlag >= 1 && CommonLib.MapMouseFlag <= 4)
//{
// //初始化Color
// IRgbColor rgbColor1 = new RgbColor();
// rgbColor1.Red = 255;
// rgbColor1.Green = 255;
// rgbColor1.Blue = 0;
// //初始化Symbol
// object symbol = null;
// if (geometry.GeometryType == esriGeometryType.esriGeometryPolyline) //线
// {
// ISimpleLineSymbol simpleLineSymbol = new SimpleLineSymbol();
// simpleLineSymbol.Color = rgbColor1;
// simpleLineSymbol.Width = 5;
// symbol = simpleLineSymbol;
// }
// else
// {
// ISimpleFillSymbol simpleFillSymbol = new SimpleFillSymbol();
// simpleFillSymbol.Color = rgbColor1;
// symbol = simpleFillSymbol;
// }
// axMapControlMainMap.DrawShape(geometry, ref symbol);
//}
//else if (CommonLib.MapMouseFlag == 5)
//{
// //初始化Color
// IRgbColor rgbColor2 = new RgbColor();
// rgbColor2.Red = 255;
// rgbColor2.Green = 0;
// rgbColor2.Blue = 0;
// //初始化Symbol
// object symbol = null;
// ITextSymbol textSymbol = new TextSymbol();
// textSymbol.Color = rgbColor2;
// symbol = textSymbol;
// axMapControlMainMap.DrawText(geometry, "顶你个肺", ref symbol);
//}
//#endregion
//#region 空间选择
//if (CommonLib.MapMouseFlag >= 11 && CommonLib.MapMouseFlag <= 15)
//{
// axMapControlMainMap.Map.SelectByShape(geometry, null, false);
//}
//axMapControlMainMap.Refresh();
//#endregion
#endregion
}
