private void 添加标注ToolStripMenuItem_Click(object sender, EventArgs e)
{
IRgbColor rgb = GisClass.GetRgbColor(0, 0, 0);
GisClass.EnableFeatureLayerLabel(pCurrentLayer, "NAME", rgb, 10, "");
axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewBackground, null, null);
}
private void route_Search_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
if (this.start_time.EditValue == "" || this.end_time.EditValue == "")
{
MessageBox.Show("请选择起止日期");
return;
}
SqlHelper help = new SqlHelper();
String sql = "select * from route where tm between '" + this.start_time.EditValue + "' and '" + this.end_time.EditValue + "'";
DataTable dt = help.getMySqlRead(sql);
ISimpleMarkerSymbol simpleMarkerSymbol = new SimpleMarkerSymbol();
simpleMarkerSymbol.Style = esriSimpleMarkerStyle.esriSMSCircle;
IColor color = GisClass.GetRgbColor(0, 255, 0);
simpleMarkerSymbol.Color = color;
ILineElement lineElement = new LineElementClass();
IElement ele1 = lineElement as IElement;
ISegment pSegment;
ILine pLine = null;
object o = Type.Missing;
ISegmentCollection pPath = new PathClass();
for (int i = 0; i < dt.Rows.Count; i++)
{
IMarkerElement markerEle = new MarkerElementClass();
IElement ele = markerEle as IElement;
IPoint point = new PointClass();
markerEle.Symbol = simpleMarkerSymbol;
point.PutCoords(Double.Parse(dt.Rows[i]["x"].ToString()), Double.Parse(dt.Rows[i]["y"].ToString()));
ele.Geometry = point;
pGraphicsContainer.AddElement(ele, 0);
//逐段添加线
if (i > 0 && i < dt.Rows.Count)
{
IPoint point1 = new PointClass();
point1.PutCoords(Double.Parse(dt.Rows[i - 1]["x"].ToString()), Double.Parse(dt.Rows[i - 1]["y"].ToString()));
pLine = new LineClass();
pLine.PutCoords(point1, point);
pSegment = pLine as ISegment;
pPath.AddSegment(pSegment, ref o, ref o);
}
axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewBackground, null, null);
}
IGeometryCollection pPolyline = new PolylineClass();
pPolyline.AddGeometry(pPath as IGeometry, ref o, ref o);
IPolyline polyline = pPolyline as IPolyline;
//获取范围
IEnvelope ev = polyline.Envelope;
this.axMapControl1.ActiveView.Extent = ev;
ele1.Geometry = pPolyline as IPolyline;
pGraphicsContainer.AddElement(ele1, 0);
}
/// <summary>
/// 添加图例
/// </summary>
/// <param name="activeView"></活动窗口>
/// <param name="pageLayout"></布局窗口>
/// <param name="pEnv"></包络线>
private void MakeLegend(IActiveView pActiveView, IPageLayout pPageLayout, IEnvelope pEnv)
{
UID pID = new UID();
pID.Value = "esriCarto.Legend";
IGraphicsContainer pGraphicsContainer = pPageLayout as IGraphicsContainer;
IMapFrame pMapFrame = pGraphicsContainer.FindFrame(pActiveView.FocusMap) as IMapFrame;
IMapSurroundFrame pMapSurroundFrame = pMapFrame.CreateSurroundFrame(pID, null); //根据唯一标示符，创建与之对应MapSurroundFrame
IElement pDeletElement = this.axPageLayoutControl1.FindElementByName("Legend"); //获取PageLayout中的图例元素
if (pDeletElement != null)
{
pGraphicsContainer.DeleteElement(pDeletElement); //如果已经存在图例，删除已经存在的图例
}
//设置MapSurroundFrame背景
ISymbolBackground pSymbolBackground = new SymbolBackgroundClass();
IFillSymbol pFillSymbol = new SimpleFillSymbolClass();
ILineSymbol pLineSymbol = new SimpleLineSymbolClass();
pLineSymbol.Color = GisClass.GetRgbColor(0, 0, 0);
pFillSymbol.Color = GisClass.GetRgbColor(240, 240, 240);
pFillSymbol.Outline = pLineSymbol;
pSymbolBackground.FillSymbol = pFillSymbol;
pMapSurroundFrame.Background = pSymbolBackground;
//添加图例
IElement pElement = pMapSurroundFrame as IElement;
pElement.Geometry = pEnv as IGeometry;
IMapSurround pMapSurround = pMapSurroundFrame.MapSurround;
ILegend pLegend = pMapSurround as ILegend;
pLegend.ClearItems();
pLegend.Title = "图例";
for (int i = 0; i < pActiveView.FocusMap.LayerCount; i++)
{
ILegendItem pLegendItem = new HorizontalLegendItemClass();
pLegendItem.Layer = pActiveView.FocusMap.get_Layer(i);//获取添加图例关联图层
pLegendItem.ShowDescriptions = true;
pLegendItem.Columns = 1;
pLegendItem.ShowHeading = true;
pLegendItem.ShowLabels = true;
pLegend.AddItem(pLegendItem);//添加图例内容
}
pGraphicsContainer.AddElement(pElement, 0);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
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);
}