Esempio n. 1
0
        public bool DeleteElement(IActiveView pActiveView, IElement pElement)
        {
            bool flag;

            try
            {
                if (pActiveView != null)
                {
                    if (pElement == null)
                    {
                        return(false);
                    }
                    if (pActiveView is IGraphicsContainer)
                    {
                        if (pElement is IElementShutdown)
                        {
                            (pElement as IElementShutdown).Shutdown();
                        }
                        IGraphicsContainer container = pActiveView as IGraphicsContainer;
                        try
                        {
                            container.DeleteElement(pElement);
                        }
                        catch (Exception)
                        {
                        }
                        goto Label_004A;
                    }
                }
                return(false);

Label_004A:
                flag = true;
            }
            catch (Exception exception)
            {
                this.mErrOpt.ErrorOperate(this.mSubSysName, "FunFactory.ElementFun", "DeleteElement", exception.GetHashCode().ToString(), exception.Source, exception.Message, "", "", "");
                flag = false;
            }
            return(flag);
        }
Esempio n. 2
0
 /// <summary>
 /// 删除指定名称的  Element  张琪    20110628
 /// </summary>
 /// <param name="pScene"></param>
 /// <param name="sName"></param>
 public static void DeleteAllElementsWithName(IMap pMap, string sName)
 {
     try
     {
         IElement           pElement;
         IGraphicsContainer pGCon = pMap.BasicGraphicsLayer as IGraphicsContainer;
         pGCon.Reset();
         pElement = pGCon.Next() as IElement;
         while (pElement != null)
         {
             IElementProperties pElemProps = pElement as IElementProperties;
             if (pElemProps.Name == sName)
             {
                 pGCon.DeleteElement(pElement);
                 pGCon.Reset();
             }
             pElement = pGCon.Next() as IElement;
         }
     }
     catch { }
 }
Esempio n. 3
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        private void btnQuery_Click(object sender, EventArgs e)
        {
            QueryGeometry = AxMapCtrlHis.Extent;
            string sSQL = createSql();

            //RefreshQueryGrid(sSQL);
            pGra = AxMapCtrlHis.Map as IGraphicsContainer;
            if (pEleEnv != null)
            {
                try
                {
                    pGra.DeleteElement(pEleEnv);
                }
                catch { }
            }
            pEleEnv = null;
            //DataGridViewRow row = dataGridViewX1.Rows[e.RowIndex];
            //if (row == null) return;
            //if (row.Tag == null) return;
            //string sPrjID = row.Tag.ToString();

            //m_sCurPrjName = row.Cells["ColPrjName"].Value.ToString();

            string sDataUpDate = this.dTimePost.Value.ToString("yyyy-MM-dd HH:mm:ss");

            setMapLyrsDefinitionOfHPeriod(sDataUpDate);

            //ModHistory.ZoomToCaseArea(this.PrjEnvelope, AxMapCtrlHis.Map, sPrjID);

            //pEleEnv = new LineElementClass();
            //IGeometry pGeo = getEnvGeometry(sPrjID);
            //ITopologicalOperator pTO = pGeo as ITopologicalOperator;
            //IGeometry pOutLine = pTO.Boundary;
            //if (pGeo == null)
            //    return;
            //pEleEnv.Geometry = pOutLine;
            //(pEleEnv as ILineElement).Symbol = getSymbol();
            //pGra.AddElement(pEleEnv, 0);
            //AxMapCtrlHis.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
        }
Esempio n. 4
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        private void btnOK_Click(object sender, EventArgs e)
        {
            if (!string.IsNullOrEmpty(txtFileRoute.Text))
            {
                lblInfo.Visible = true;
            }

            this.Refresh();
            Application.DoEvents();
            Deal();
            this.Refresh();

            txtFileRoute.Text = "";
            if (m_pElement != null)
            {
                IGraphicsContainer pGraphicsContainer = (IGraphicsContainer)m_pMap;
                IActiveView        pActiveView        = (IActiveView)m_pMap;
                pGraphicsContainer.DeleteElement(m_pElement);
                pActiveView.Refresh();
                m_pElement = null;
            }
        }
        /// <summary>
        /// Method used to remove graphics from the graphics container
        /// Elements are tagged with a GUID on the IElementProperties.Name property
        /// </summary>
        /// <param name="gc">map graphics container</param>
        /// <param name="list">list of GUIDs to remove</param>
        internal void RemoveGraphics(IGraphicsContainer gc, List <AMGraphic> list)
        {
            if (gc == null || !list.Any())
            {
                return;
            }

            var elementList = new List <IElement>();

            gc.Reset();
            var element = gc.Next();

            while (element != null)
            {
                var eleProps = element as IElementProperties;
                if (list.Any(g => g.UniqueId == eleProps.Name))
                {
                    elementList.Add(element);
                }
                element = gc.Next();
            }

            foreach (var ele in elementList)
            {
                gc.DeleteElement(ele);
            }

            // remove from master graphics list
            foreach (var graphic in list)
            {
                if (GraphicsList.Contains(graphic))
                {
                    GraphicsList.Remove(graphic);
                }
            }
            elementList.Clear();

            RaisePropertyChanged(() => HasMapGraphics);
        }
Esempio n. 6
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        private void clearGraphics()
        {
            IGraphicsContainer graphicsContainer = (IGraphicsContainer)map;

            foreach (IElement grp in graphics)
            {
                if (grp == null)
                {
                    break;
                }
                //grp.Locked = false;
                try
                {
                    graphicsContainer.DeleteElement(grp);
                }
                catch (Exception)
                {
                    Console.Write("Element was already deleted");
                }
            }
            graphics.Clear();
        }
Esempio n. 7
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        private void syn(AxPageLayoutControl mainlayoutControl)
        {
            IObjectCopy objectcopy     = new ObjectCopyClass();
            object      tocopymap      = mainlayoutControl.ActiveView.GraphicsContainer;      //获取mapcontrol中的map   这个是原始的
            object      copiedmap      = objectcopy.Copy(tocopymap);                          //复制一份map,是一个副本
            object      tooverwritemap = PrintPagelayoutControl.ActiveView.GraphicsContainer; //IActiveView.FocusMap : The map that tools and controls act on. 控件和工具作用的地图,大概是当前地图吧!!!

            objectcopy.Overwrite(copiedmap, ref tooverwritemap);
            System.Runtime.InteropServices.Marshal.ReleaseComObject(objectcopy);
            IGraphicsContainer mainGraphCon = tooverwritemap as IGraphicsContainer;

            mainGraphCon.Reset();
            IElement pElement = mainGraphCon.Next();
            IArray   pArray   = new ArrayClass();

            while (pElement != null)
            {
                pArray.Add(pElement);
                pElement = mainGraphCon.Next();
            }
            int                pElementCount   = pArray.Count;
            IPageLayout        PrintPageLayout = PrintPagelayoutControl.PageLayout;
            IGraphicsContainer PrintGraphCon   = PrintPageLayout as IGraphicsContainer;

            PrintGraphCon.Reset();
            IElement pPrintElement = PrintGraphCon.Next();

            while (pPrintElement != null)
            {
                PrintGraphCon.DeleteElement(pPrintElement);
                pPrintElement = PrintGraphCon.Next();
            }
            for (int i = 0; i < pArray.Count; i++)
            {
                PrintGraphCon.AddElement(pArray.get_Element(pElementCount - 1 - i) as IElement, 0);
            }
            PrintPagelayoutControl.Refresh();
        }
Esempio n. 8
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        /// <summary>
        /// 移除图元
        /// </summary>
        /// <param name="element">要移除的图元对象</param>
        /// <param name="layer">图元所在的图层</param>
        /// <returns></returns>
        public bool RemoveElement(IMFElement element, ILayer layer)
        {
            if (element == null)
            {
                return(true);
            }
            IGraphicsContainer graphicsLayer = layer as IGraphicsContainer;

            if (graphicsLayer == null)
            {
                return(true);
            }

            Polygon_ArcGlobe polygonElement = element as Polygon_ArcGlobe;

            if (polygonElement.Rasterize)
            {
                polygonElement.Rasterize = false;
            }
            graphicsLayer.DeleteElement(polygonElement);

            return(true);
        }
        private void CheckClosing(object sender, FormClosingEventArgs e)    //窗体关闭事件
        {
            //检查属性值是否有错误
            typeValue = (sender as CheckForm).comboBox1.Text;
            bool OverlapsOrContains = IsOverlaps(pGeometry, typeValue.Trim());

            if (OverlapsOrContains)
            {
                DialogResult dr = MessageBox.Show("是否保留绘制的图形?\n选择 “确定”,则保留绘制图形并为 Type 赋值为 “空”,\n选择 “取消”,则删除绘制图形!",
                                                  "警告", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning);
                if (dr == DialogResult.Cancel)
                {
                    pFeature.Delete();
                    IGraphicsContainer pGC = axMapControl1.Map as IGraphicsContainer;
                    pGC.DeleteElement(pElement);
                    axMapControl1.ActiveView.Refresh();
                }
                else if (dr == DialogResult.OK)
                {
                    pFeature.set_Value(pFeature.Fields.FindField("Type"), "空");
                }
            }
        }
Esempio n. 10
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        //删除布局视图上的地图元素
        public void deleteElement(string eleName)
        {
            Dictionary <string, string> dict = new Dictionary <string, string>();

            dict.Add("ScaleBar", "比例尺");
            dict.Add("Legend", "图例");
            dict.Add("NorthArrow", "指北针");
            IActiveView        pActiveView        = axPageLayoutControl1.PageLayout as IActiveView;
            IMap               pMap               = pActiveView.FocusMap as IMap;
            IGraphicsContainer pGraphicsContainer = pActiveView as IGraphicsContainer;
            IMapFrame          pMapFrame          = pGraphicsContainer.FindFrame(pMap) as IMapFrame;
            IElement           pDeletElement      = axPageLayoutControl1.FindElementByName(eleName);//获取PageLayout中的图例元素

            if (pDeletElement != null)
            {
                pGraphicsContainer.DeleteElement(pDeletElement);  //如果已经存在指北针,删除已经存在的指北针
            }
            else
            {
                MessageBox.Show("当前不存在" + dict[eleName]);
                return;
            }
        }
Esempio n. 11
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        private void 添加指北针ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            IActiveView        pActiveView        = axPageLayoutControl1.PageLayout as IActiveView;
            IMap               pMap               = pActiveView.FocusMap as IMap;
            IGraphicsContainer pGraphicsContainer = pActiveView as IGraphicsContainer;
            IMapFrame          pMapFrame          = pGraphicsContainer.FindFrame(pMap) as IMapFrame;
            IMapSurround       pMapSurround;
            INorthArrow        pNorthArrow;

            pNorthArrow       = new MarkerNorthArrowClass();
            pMapSurround      = pNorthArrow;
            pMapSurround.Name = "NorthArrow";
            //定义UID
            UID uid = new UIDClass();

            uid.Value = "esriCarto.MarkerNorthArrow";
            //定义MapSurroundFrame对象
            IMapSurroundFrame pMapSurroundFrame = pMapFrame.CreateSurroundFrame(uid, null);

            pMapSurroundFrame.MapSurround = pMapSurround;
            IElement pDeletElement = axPageLayoutControl1.FindElementByName("NorthArrow");//获取PageLayout中的图例元素

            if (pDeletElement != null)
            {
                pGraphicsContainer.DeleteElement(pDeletElement);  //如果已经存在指北针,删除已经存在的指北针
            }
            //定义Envelope设置Element摆放的位置
            IEnvelope pEnvelope = new EnvelopeClass();

            pEnvelope.PutCoords(16, 24, 21, 32);
            IElement pElement = pMapSurroundFrame as IElement;

            pElement.Geometry = pEnvelope;
            pGraphicsContainer.AddElement(pElement, 0);
            //刷新axPageLayoutControl1的内容
            axPageLayoutControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
        }
Esempio n. 12
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        public void Undo()
        {
            this.ienumElement_0.Reset();
            IElement                 element                 = this.ienumElement_0.Next();
            IGraphicsContainer       graphicsContainer       = this.iactiveView_0.GraphicsContainer;
            IGraphicsContainerSelect graphicsContainerSelect = graphicsContainer as IGraphicsContainerSelect;

            graphicsContainerSelect.UnselectAllElements();
            while (element != null)
            {
                if (element is IGroupElement)
                {
                    IEnumElement elements = (element as IGroupElement).Elements;
                    elements.Reset();
                    for (IElement i = elements.Next(); i != null; i = elements.Next())
                    {
                        graphicsContainer.DeleteElement(i);
                    }
                    graphicsContainer.AddElement(element, -1);
                    graphicsContainerSelect.SelectElement(element);
                }
                element = this.ienumElement_0.Next();
            }
        }
Esempio n. 13
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        private bool UseTemplateMxtToPageLayout(AxPageLayoutControl mainPageLayoutControl, string sTemplatePath)
        {
            bool success = false;

            try
            {
                IMap        map           = null;
                IActiveView activeView    = null;
                IPageLayout curPageLayout = mainPageLayoutControl.PageLayout;
                activeView = curPageLayout as IActiveView;
                map        = activeView.FocusMap;

                // 读取模板
                IMapDocument tempMapDocument = new MapDocumentClass();
                tempMapDocument.Open(sTemplatePath, "");
                IPageLayout tempPageLayout = tempMapDocument.PageLayout;
                IPage       tempPage       = tempPageLayout.Page;
                IPage       curPage        = curPageLayout.Page;

                // 替换单位及地图方向
                curPage.Orientation = tempPage.Orientation;
                curPage.Units       = tempPage.Units;

                // 替换页面尺寸
                Double width, height;
                tempPage.QuerySize(out width, out height);
                curPage.PutCustomSize(width, height);

                // 删除当前layout中除了mapframe外所有element
                IGraphicsContainer graphicsContainer = curPageLayout as IGraphicsContainer;
                graphicsContainer.Reset();
                IElement  element  = graphicsContainer.Next();
                IMapFrame mapFrame = null;
                mapFrame = graphicsContainer.FindFrame(map) as IMapFrame;
                while (element != null)
                {
                    if (element is IMapFrame)
                    {
                        mapFrame = element as IMapFrame;
                    }
                    else
                    {
                        graphicsContainer.DeleteElement(element);
                        graphicsContainer.Reset();
                    }
                    element = graphicsContainer.Next();
                }

                // 遍历模板中的PageLayout所有元素,替换当前PageLayout的所有元素
                IGraphicsContainer tempGraphicsContainer = tempPageLayout as IGraphicsContainer;
                tempGraphicsContainer.Reset();
                IArray array = new ArrayClass();
                while (element != null)
                {
                    if (element is IMapFrame)
                    {
                        IElement mapFrameElement = mapFrame as IElement;
                        mapFrameElement.Geometry = element.Geometry;
                    }
                    else
                    {
                        if (element is IMapSurroundFrame)
                        {
                            IMapSurroundFrame mapSurroundFrame = element as IMapSurroundFrame;
                            mapSurroundFrame.MapFrame = mapFrame;
                            IMapSurround tempMapSurround = mapSurroundFrame.MapSurround;
                        }
                        array.Add(element);
                    }
                    element = tempGraphicsContainer.Next();
                }

                int elementCount = array.Count;
                for (int i = 0; i < array.Count; i++)
                {
                    graphicsContainer.AddElement(array.get_Element(elementCount - 1 - i) as IElement, 0);
                }
                activeView.Refresh();
                success = true;
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.ToString());
            }

            return(success);
        }
Esempio n. 14
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        /// <summary>
        /// 获得自定义多边形
        /// </summary>
        /// <param name="Button"></param>
        /// <param name="Shift"></param>
        /// <param name="X"></param>
        /// <param name="Y"></param>
        public override void OnMouseDown(int Button, int Shift, int X, int Y)
        {
            IMapControl4 mapControl = null;

            if (_hookHelper != null)
            {
                mapControl = (IMapControl4)_hookHelper.Hook;
                _polygon   = (IPolygon)mapControl.TrackPolygon();
            }
            if (_polygon != null)
            {
                if (_polygon.IsEmpty == false)
                {
                    IMap map = _hookHelper.FocusMap;
                    IGraphicsContainer graphicsContainer = (IGraphicsContainer)map;
                    IActiveView        activeView        = (IActiveView)map;
                    if (_element != null)
                    {
                        graphicsContainer.DeleteElement(_element);
                        activeView.Refresh();
                    }

                    IRgbColor color = new RgbColor();
                    color.Red   = 255;
                    color.Green = 255;
                    color.Blue  = 0;

                    IMarkerLineSymbol markerLineSymbol = new MarkerLineSymbol();
                    markerLineSymbol.Color = color;
                    markerLineSymbol.Width = 2;

                    ISimpleFillSymbol simpleFillSym = new SimpleFillSymbol();
                    simpleFillSym.Style   = esriSimpleFillStyle.esriSFSHollow;
                    simpleFillSym.Outline = markerLineSymbol;

                    IFillShapeElement polygonElement = new PolygonElementClass();
                    polygonElement.Symbol = simpleFillSym;

                    _element          = (IElement)polygonElement;
                    _element.Geometry = _polygon;

                    graphicsContainer.AddElement(_element, 0);
                    activeView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);

                    //传值
                    if (_frmPolygonExtract.IsDisposed)
                    {
                        _frmPolygonExtract = new FrmPolygonExtract();
                    }
                    _frmPolygonExtract.Map        = _hookHelper.FocusMap;
                    _frmPolygonExtract.MapControl = (IMapControl4)_hookHelper.Hook;
                    _frmPolygonExtract.Geometry   = _polygon;
                    _frmPolygonExtract.Element    = _element;
                    _frmPolygonExtract.ShowDialog();
                }
                else
                {
                    MessageBoxEx.Show("画出的几何图象是空的!", "提示");
                }
            }
            else
            {
                return;
            }
            mapControl.CurrentTool = null;
            _element = null;
        }
        /// <summary>
        /// Method used to remove graphics from the graphics container
        /// Elements are tagged with a GUID on the IElementProperties.Name property
        /// </summary>
        /// <param name="gc">map graphics container</param>
        /// <param name="list">list of GUIDs to remove</param>
        internal void RemoveGraphics(IGraphicsContainer gc, List<string> list)
        {
            if (gc == null || !list.Any())
                return;

            var elementList = new List<IElement>();
            gc.Reset();
            var element = gc.Next();
            while (element != null)
            {
                var eleProps = element as IElementProperties;
                if (list.Contains(eleProps.Name))
                {
                    elementList.Add(element);
                }
                element = gc.Next();
            }

            foreach (var ele in elementList)
            {
                gc.DeleteElement(ele);
            }

            list.Clear();
            elementList.Clear();

            RaisePropertyChanged(() => HasMapGraphics);
        }
Esempio n. 16
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        // 添加图例
        private void AddLegend()
        {
            IActiveView        pActiveView = axPageLayoutControl_main.ActiveView;
            IGraphicsContainer pGC         = axPageLayoutControl_main.PageLayout as IGraphicsContainer;

            UID pUID = new UIDClass()
            {
                Value = "esriCarto.Legend"
            };
            IMapFrame pMapFrame = pGC.FindFrame(pActiveView.FocusMap) as IMapFrame;
            // 根据唯一标识符,创建与之对应的MapSurroundFrame
            IMapSurroundFrame pMapSurroundFrame = pMapFrame.CreateSurroundFrame(pUID, null);
            // 检查PageLayout中是否已有图例(有则删除)
            IElement pDelElement = axPageLayoutControl_main.FindElementByName("Legend");

            if (pDelElement != null)
            {
                pGC.DeleteElement(pDelElement);
            }
            // 设置MapSurroundFrame背景
            ISymbolBackground pSymbolBackground = new SymbolBackgroundClass()
            {
                FillSymbol = new SimpleFillSymbolClass()
                {
                    Color   = GetRgbColor(240, 240, 240),
                    Outline = new SimpleLineSymbolClass()
                    {
                        Color = GetRgbColor(0, 0, 0),
                        Width = 1
                    }
                }
            };

            pMapSurroundFrame.Background = pSymbolBackground;
            // 添加图例
            IElement  pElement = pMapSurroundFrame as IElement;
            IEnvelope pEnv     = axPageLayoutControl_main.Extent;

            pEnv.XMin        += 2;
            pEnv.YMin        += 3;
            pElement.Geometry = pEnv;
            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()
                {
                    Layer            = pActiveView.FocusMap.get_Layer(i),
                    ShowDescriptions = false,
                    Columns          = 1,
                    ShowHeading      = true,
                    ShowLabels       = true
                };
                pLegend.AddItem(pLegendItem);
            }
            pGC.AddElement(pElement, 0);
            pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
        }
Esempio n. 17
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        private bool zoomToQuery(string query, int count, Double zoom)
        {
            List <datacontract.locationResult> loc = adresLocation.getAdresLocation(query, count);

            if (loc.Count > 0)
            {
                IPoint leftXY = new ESRI.ArcGIS.Geometry.Point()
                {
                    X = loc[0].BoundingBox.LowerLeft.Lon_WGS84,
                    Y = loc[0].BoundingBox.LowerLeft.Lat_WGS84,
                    SpatialReference = wgs
                };
                IPoint toleftXY = geopuntHelper.Transform(leftXY as IGeometry, map.SpatialReference) as IPoint;
                IPoint rightXY  = new ESRI.ArcGIS.Geometry.Point()
                {
                    X = loc[0].BoundingBox.UpperRight.Lon_WGS84,
                    Y = loc[0].BoundingBox.UpperRight.Lat_WGS84,
                    SpatialReference = wgs
                };
                IPoint    torightXY = geopuntHelper.Transform(rightXY as IGeometry, map.SpatialReference) as IPoint;
                IEnvelope bbox      = geopuntHelper.makeExtend(toleftXY.X, toleftXY.Y, torightXY.X, torightXY.Y,
                                                               map.SpatialReference);

                IPoint XY = new ESRI.ArcGIS.Geometry.Point()
                {
                    X = loc[0].Location.Lon_WGS84,
                    Y = loc[0].Location.Lat_WGS84,
                    SpatialReference = wgs
                };
                IPoint toXY = geopuntHelper.Transform(XY as IGeometry, map.SpatialReference) as IPoint;

                //create a graphic
                IRgbColor rgb = new RgbColorClass()
                {
                    Red = 255, Blue = 255, Green = 0
                };
                if (graphic != null)
                {
                    IGraphicsContainer grpCont = (IGraphicsContainer)map;
                    grpCont.DeleteElement(graphic);
                    graphic = null;
                }
                graphic = geopuntHelper.AddGraphicToMap(map, toXY, rgb,
                                                        new RgbColorClass()
                {
                    Red = 0, Blue = 0, Green = 0
                }, 8, true);

                infoLabel.Text = geopuntHelper.adresTypeStringTranslate(loc[0].LocationType);

                map.MapScale = 1000;
                view.Extent  = bbox;
                geopuntHelper.ZoomByRatioAndRecenter(view, 1, toXY.X, toXY.Y);

                view.Refresh();
                return(true);
            }
            else
            {
                return(false);
            }
        }
Esempio n. 18
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        private void button_dress_Click(object sender, EventArgs e)
        {
            //获取axPageLayoutControl1的图形容器
            IGraphicsContainer graphicsContainer =
                axPageLayoutControl1.GraphicsContainer;
                        //获取axPageLayoutControl1空间里面显示的地图图层
                        IMapFrame mapFrame =
                (IMapFrame)graphicsContainer.FindFrame(axPageLayoutControl1.ActiveView.FocusMap);

            if (mapFrame == null)
            {
                return;
            }
                                                    //--------------创建图例------------
                        UID uID   = new UIDClass(); //创建UID作为该图例的唯一标识符,方便创建之后进行删除、移动等操作
                        uID.Value = "esriCarto.Legend";
            IMapSurroundFrame mapSurroundFrame = mapFrame.CreateSurroundFrame(uID, null);

            if (mapSurroundFrame == null)
            {
                return;
            }
            if (mapSurroundFrame.MapSurround == null)
            {
                return;
            }
            mapSurroundFrame.MapSurround.Name = "图例";
            IEnvelope envelope = new EnvelopeClass();

            envelope.PutCoords(16, 2, 18, 7);//设置图例摆放位置(原点在axPageLayoutControl左下角)

            IElement element = (IElement)mapSurroundFrame;

            element.Geometry = envelope;
                        //将图例转化为几何要素添加到axPageLayoutControl1,并刷新页面显示
                        axPageLayoutControl1.AddElement(element, Type.Missing, Type.Missing,
                                                        "Legend", 0);

            axPageLayoutControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null,
                                                           null);
            //-----------设置指北针--------
            IMapSurround pMapSurround;
            INorthArrow  pNorthArrow;

            pNorthArrow = new MarkerNorthArrowClass();//创建指北针的实例
                        pMapSurround = pNorthArrow;

            pMapSurround.Name = "NorthArrow";
                        //定义UID
                        UID uid = new UIDClass();

            uid.Value = "esriCarto.MarkerNorthArrow";
                        //定义MapSurroundFrame对象
                        IMapSurroundFrame pMapSurroundFrame = mapFrame.CreateSurroundFrame(uid, null);

            pMapSurroundFrame.MapSurround = pMapSurround;
            IElement  pDeletElement = axPageLayoutControl1.FindElementByName("NorthArrow");//获取PageLayout中的图例元素
                        if (pDeletElement != null)
            {
                graphicsContainer.DeleteElement(pDeletElement);  //如果已经存在指北针,删除已经存在的指北针
                           
            }
                        //定义Envelope设置Element摆放的位置
                        IEnvelope pEnvelope = new EnvelopeClass();

            pEnvelope.PutCoords(16, 24, 21, 32);
            IElement pElement = pMapSurroundFrame as IElement;

            pElement.Geometry = pEnvelope;
            graphicsContainer.AddElement(pElement, 0);
                        //刷新axPageLayoutControl1的内容
                        axPageLayoutControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);

            //-----------设置比例尺------------
            IActiveView        pActiveView        = axPageLayoutControl1.PageLayout as IActiveView;
            IMap               pMap               = pActiveView.FocusMap as IMap;
            IGraphicsContainer pGraphicsContainer = pActiveView as IGraphicsContainer;
            IMapFrame          pMapFrame          = pGraphicsContainer.FindFrame(pMap) as IMapFrame;
            //IMapSurround pMapSurround;
                        //设置比例尺样式
                        IScaleBar pScaleBar = new ScaleLineClass();

            pScaleBar.Units               = esriUnits.esriKilometers;
            pScaleBar.Divisions           = 4;
            pScaleBar.Subdivisions        = 3;
            pScaleBar.DivisionsBeforeZero = 0;
            pScaleBar.UnitLabel           = "km";
            pScaleBar.LabelPosition       = esriVertPosEnum.esriBelow;
            pScaleBar.LabelGap            = 3.6;
            pScaleBar.LabelFrequency      = esriScaleBarFrequency.esriScaleBarDivisionsAndFirstMidpoint;
            pScaleBar.LabelPosition       = esriVertPosEnum.esriBelow;
            ITextSymbol pTextsymbol = new TextSymbolClass();

            pTextsymbol.Size = 1;
            stdole.StdFont pFont = new stdole.StdFont();
            pFont.Size       = 3;
            pFont.Name       = "Arial";
            pTextsymbol.Font = pFont as stdole.IFontDisp;
            pTextsymbol.HorizontalAlignment = esriTextHorizontalAlignment.esriTHALeft;
            pScaleBar.UnitLabelSymbol       = pTextsymbol;
            pScaleBar.LabelSymbol           = pTextsymbol;
            INumericFormat pNumericFormat = new NumericFormatClass();

            pNumericFormat.AlignmentWidth = 0;
            pNumericFormat.RoundingOption = esriRoundingOptionEnum.esriRoundNumberOfSignificantDigits;
            pNumericFormat.RoundingValue  = 0;
            pNumericFormat.UseSeparator   = true;
            pNumericFormat.ShowPlusSign   = false;
                        //定义UID
                        pMapSurround = pScaleBar;

            pMapSurround.Name = "ScaleBar";
            // UID uid = new UIDClass();
            uid.Value = "esriCarto.ScaleLine";
            //定义MapSurroundFrame对象IMapSurroundFrame
            pMapSurroundFrame             = pMapFrame.CreateSurroundFrame(uid, null);
            pMapSurroundFrame.MapSurround = pMapSurround;
                                              //定义Envelope设置Element摆放的位置
                                              //IEnvelope pEnvelope = new EnvelopeClass();
            pEnvelope.PutCoords(8, 2, 14, 4); //IElement

            pElement          = pMapSurroundFrame as IElement;
            pElement.Geometry = pEnvelope;                                          //IElement
            pDeletElement     = axPageLayoutControl1.FindElementByName("ScaleBar"); //获取PageLayout中的比例尺元素
                        if (pDeletElement != null)
            {
                pGraphicsContainer.DeleteElement(pDeletElement);  //如果已经存在比例尺,删除已经存在的比例尺
                           
            }
            pGraphicsContainer.AddElement(pElement, 0);
                        //刷新axPageLayoutControl1的内容

                        axPageLayoutControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);

            //---------------添加标题-------------
            //IGraphicsContainer graphicsContainer = axPageStation.PageLayout as IGraphicsContainer;
            //IEnvelope envelope = new EnvelopeClass();
            envelope.PutCoords(-14, 26, 35, 26);
            IRgbColor pColor = new RgbColorClass()
            {
                Red   = 0,
                Blue  = 0,
                Green = 0
            };

            pFont.Name = "宋体";
            pFont.Bold = true;
            ITextSymbol pTextSymbol = new TextSymbolClass()
            {
                Color = pColor,
                //Font = pFont,
                Size = 30
            };
            ITextElement pTextElement = new TextElementClass()
            {
                Symbol    = pTextSymbol,
                ScaleText = true,
                Text      = "盗墓难度专题图"
            };

            element          = pTextElement as ESRI.ArcGIS.Carto.IElement;
            element.Geometry = envelope;
            graphicsContainer.AddElement(element, 0);
            axPageLayoutControl1.Refresh();
        }
Esempio n. 19
0
        //点击地图框事件
        private void axPageLayoutControl1_OnMouseDown(object sender, ESRI.ArcGIS.Controls.IPageLayoutControlEvents_OnMouseDownEvent e)
        {
            if (e.button == 1)
            {
                IPageLayout        pPageLayout        = axPageLayoutControl1.PageLayout;;
                IGraphicsContainer pGraphicsContainer = pPageLayout as IGraphicsContainer;
                IActiveView        pActiveView        = pPageLayout as IActiveView;
                IMapFrame          pMapFrame;
                IMapSurroundFrame  pMapSurroundFrame;
                IElement           pElement;
                switch (tag)
                {
                    #region 添加标题
                case 1:
                    ITextElement pTextElement = new TextElementClass();
                    pTextElement.Text   = title;
                    pTextElement.Symbol = pTextSymbol;
                    pElement            = pTextElement as IElement;
                    try
                    {
                        pElement.Geometry = axPageLayoutControl1.TrackRectangle();
                    }
                    catch
                    {
                        MessageBox.Show("请拉框选择范围!", "提示");
                        return;
                    }
                    pGraphicsContainer.AddElement(pElement, 0);
                    axPageLayoutControl1.Refresh();
                    tag = 0;
                    break;
                    #endregion

                    #region 添加图例
                case 2:
                    pLegend2 = new LegendClass_2();
                    pElement = axPageLayoutControl1.FindElementByName("legend");
                    if (pElement != null)
                    {
                        pGraphicsContainer.DeleteElement(pElement);
                    }

                    pElementTypeName = "lenend";
                    pUid             = new UIDClass();
                    pUid.Value       = "esriCato.Legend";
                    if (pGraphicsContainer == null)
                    {
                        return;
                    }
                    pMapSurround     = pLegend2 as IMapSurround;
                    pMapSurround.Map = pActiveView.FocusMap;
                    pMapFrame        = pGraphicsContainer.FindFrame(pActiveView.FocusMap) as IMapFrame;
                    if (pMapFrame == null)
                    {
                        return;
                    }

                    pMapSurroundFrame                  = new MapSurroundFrameClass();
                    pMapSurroundFrame                  = pMapFrame.CreateSurroundFrame(pUid, null);
                    pMapSurroundFrame.MapSurround      = pMapSurround;
                    pMapSurroundFrame.MapSurround.Name = pElementTypeName;
                    pMapSurroundFrame.MapFrame         = pMapFrame;

                    pElement = pMapSurroundFrame as IElement;
                    try
                    {
                        pElement.Geometry = axPageLayoutControl1.TrackRectangle();
                    }
                    catch
                    {
                        MessageBox.Show("请拉框选择范围!", "提示");
                        return;
                    }
                    pElement.Activate(pActiveView.ScreenDisplay);
                    pElement.Draw(pActiveView.ScreenDisplay, null);

                    pGraphicsContainer.AddElement(pElement, 0);
                    pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);

                    //图例标题字体样式
                    pLegend2.Title            = "图例";
                    pTitltFont.Name           = "黑体";
                    pTitltFont.Bold           = true;
                    pTitltFont.Size           = 16;
                    pTitltTextSymbol.Color    = ColorToIColor(Color.Black);
                    pTitltTextSymbol.Font     = pTitltFont;
                    pLenendFormat.TitleSymbol = pTitltTextSymbol;

                    //图例图层名字体样式
                    pLayerFont.Name       = "仿宋_GB2312";
                    pLayerFont.Size       = 13;
                    pLayerTextSymbol.Font = pLayerFont;

                    //图例标签字体样式
                    pLabelFont.Name       = "仿宋_GB2312";
                    pLabelFont.Size       = 13;
                    pLabelTextSymbol.Font = pLayerFont;

                    for (int i = 0; i < pLenendItemsString.Count; i++)
                    {
                        for (int j = 0; j < pLegend2.ItemCount; j++)
                        {
                            if (pLenendItemsString[i].ToString() == pLegend2.get_Item(j).Layer.Name)
                            {
                                pLegend2.RemoveItem(j);
                            }
                        }
                    }
                    pLegend2.AdjustColumns(pColumnCount);
                    pLegend2.Refresh();
                    tag = 0;
                    break;
                    #endregion

                    #region 添加指北针
                case 3:
                    if (pGraphicsContainer == null)
                    {
                        return;
                    }
                    pElement = axPageLayoutControl1.FindElementByName("northarrow");
                    if (pElement != null)
                    {
                        pGraphicsContainer.DeleteElement(pElement);
                    }
                    pElementTypeName = "northarrow";
                    pUid             = new UIDClass();
                    pUid.Value       = "esriCato.MarkerNorthArrow";

                    pMapFrame                     = pGraphicsContainer.FindFrame(pActiveView.FocusMap) as IMapFrame;
                    pMapSurroundFrame             = new MapSurroundFrameClass();
                    pMapSurroundFrame             = pMapFrame.CreateSurroundFrame(pUid, null);
                    pMapSurroundFrame.MapSurround = pNorthArrowStyleGalleryItem.Item as IMapSurround;
                    pElement = pMapSurroundFrame as IElement;
                    try
                    {
                        pElement.Geometry = axPageLayoutControl1.TrackRectangle();
                    }
                    catch
                    {
                        MessageBox.Show("请拉框选择范围!", "提示");
                        return;
                    }
                    pGraphicsContainer.AddElement(pElement, 0);
                    pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
                    tag = 0;
                    break;
                    #endregion

                    #region 添加比例尺
                case 4:
                    if (pGraphicsContainer == null)
                    {
                        return;
                    }
                    pElement = axPageLayoutControl1.FindElementByName("scalebar");
                    if (pElement != null)
                    {
                        pGraphicsContainer.DeleteElement(pElement);
                    }
                    IScaleBar pScaleBar;
                    pScaleBar           = pScaleStyleGalleryItem.Item as IScaleBar;
                    pScaleBar.Units     = esriUnits.esriKilometers;
                    pScaleBar.UnitLabel = " KM";
                    pElementTypeName    = "scalebar";
                    pUid       = new UIDClass();
                    pUid.Value = "esriCato.AlternatingScaleBar";

                    pMapFrame                     = pGraphicsContainer.FindFrame(pActiveView.FocusMap) as IMapFrame;
                    pMapSurroundFrame             = new MapSurroundFrameClass();
                    pMapSurroundFrame             = pMapFrame.CreateSurroundFrame(pUid, null);
                    pMapSurroundFrame.MapSurround = pScaleStyleGalleryItem.Item as IMapSurround;
                    pElement = pMapSurroundFrame as IElement;
                    try
                    {
                        pElement.Geometry = axPageLayoutControl1.TrackRectangle();
                    }
                    catch
                    {
                        MessageBox.Show("请拉框选择范围!", "提示");
                    }
                    pGraphicsContainer.AddElement(pElement, 0);
                    pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
                    tag = 0;
                    break;
                    #endregion
                }
            }
        }
Esempio n. 20
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 private void axMapControl1_OnDoubleClick(object sender, IMapControlEvents2_OnDoubleClickEvent e)
 {
     //当“添加polygon”被勾选时,结束polygon的绘制
     if (miAddPolygon.Checked)
     {
         //结束反馈
         IPolygon p_polygon = ((INewPolygonFeedback)m_DisplayFeedback).Stop();
         //当多边形不为空
         if (p_polygon != null)
         {
             //IGraphicsContainer转换接口,用于在当前地图存放多边形
             m_graphicsContainer = (IGraphicsContainer)(axMapControl1.Map);
             IActiveView    p_activeView  = axMapControl1.Map as IActiveView;
             IScreenDisplay screenDisplay = p_activeView.ScreenDisplay;
             //设置多边形的符号
             ISimpleFillSymbol p_simpleFillSymbol = new SimpleFillSymbolClass();
             IRgbColor         p_rgbColor         = new RgbColorClass();
             p_rgbColor.Red   = 255;
             p_rgbColor.Green = 255;
             IColor p_color = p_rgbColor;
             p_color.Transparency     = 0;
             p_simpleFillSymbol.Color = p_color;
             //新建element对象存放多边形
             IPolygonElement p_polygonElement = new PolygonElementClass();
             IElement        p_element        = (IElement)p_polygonElement;
             //将多边形以element的形式储存在graphisContainer中
             if (p_element != null)
             {
                 p_element.Geometry = p_polygon;
                 IFillShapeElement pFillShapeElement = p_element as IFillShapeElement;
                 pFillShapeElement.Symbol = p_simpleFillSymbol;
                 m_graphicsContainer.AddElement(p_element, 0);
             }
             //更改标记符为零
             m_marker = 0;
             //取消勾选“添加polygon”
             miAddPolygon.Checked = false;
             if (m_element_red != null)
             {
                 m_graphicsContainer.DeleteElement(m_element_red);
             }
             if (m_element_green != null)
             {
                 m_graphicsContainer.DeleteElement(m_element_green);
             }
             m_polyline      = new PolylineClass();
             m_point         = new PointClass();
             m_element_red   = null;
             m_element_green = null;
             p_activeView.Refresh();
         }
         //如果多边形为空,初始化所有变量
         else
         {
             if (m_element_red != null)
             {
                 m_graphicsContainer.DeleteElement(m_element_red);
             }
             if (m_element_green != null)
             {
                 m_graphicsContainer.DeleteElement(m_element_green);
             }
             m_hitElement      = null;
             m_DisplayFeedback = null;
             m_marker          = 0;
             m_polyline        = new PolylineClass();
             m_point           = new PointClass();
             m_element_red     = null;
             m_element_green   = null;
             axMapControl1.ActiveView.Refresh();
         }
     }
 }
        /// <summary>
        /// Method used to remove graphics from the graphics container
        /// Elements are tagged with a GUID on the IElementProperties.Name property
        /// Removes graphics from all tabs, not just the tab that is currently active
        /// </summary>
        private void RemoveGraphics(IGraphicsContainer gc, bool removeOnlyTemporary)
        {
            if (gc == null || !GraphicsList.Any())
                return;

            // keep track of the graphics that we need to remove from the GraphicsList
            List<Graphic> removedGraphics = new List<Graphic>();

            var elementList = new List<IElement>();
            gc.Reset();
            var element = gc.Next();
            while (element != null)
            {
                var eleProps = element as IElementProperties;
                foreach (Graphic graphic in GraphicsList)
                {
                    if (graphic.UniqueId.Equals(eleProps.Name))
                    {
                        if (graphic.IsTemp == removeOnlyTemporary)
                        {
                            elementList.Add(element);
                            removedGraphics.Add(graphic);
                        }     
                            
                        break;
                    }
                }

                element = gc.Next();
            }

            foreach (var ele in elementList)
            {
                gc.DeleteElement(ele);
            }

            // clean up the GraphicsList and remove the necessary graphics from it
            foreach (Graphic graphic in removedGraphics)
            {
                GraphicsList.Remove(graphic);
            }

            elementList.Clear();
            RaisePropertyChanged(() => HasMapGraphics);
        }
Esempio n. 22
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        private void 添加比例尺ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            IActiveView        pActiveView        = axPageLayoutControl1.PageLayout as IActiveView;
            IMap               pMap               = pActiveView.FocusMap as IMap;
            IGraphicsContainer pGraphicsContainer = pActiveView as IGraphicsContainer;
            IMapFrame          pMapFrame          = pGraphicsContainer.FindFrame(pMap) as IMapFrame;
            IMapSurround       pMapSurround;
            //设置比例尺样式
            IScaleBar pScaleBar = new ScaleLineClass();

            pScaleBar.Units               = esriUnits.esriKilometers;
            pScaleBar.Divisions           = 4;
            pScaleBar.Subdivisions        = 3;
            pScaleBar.DivisionsBeforeZero = 0;
            pScaleBar.UnitLabel           = "km";
            pScaleBar.LabelPosition       = esriVertPosEnum.esriBelow;
            pScaleBar.LabelGap            = 3.6;
            pScaleBar.LabelFrequency      = esriScaleBarFrequency.esriScaleBarDivisionsAndFirstMidpoint;
            pScaleBar.LabelPosition       = esriVertPosEnum.esriBelow;
            ITextSymbol pTextsymbol = new TextSymbolClass();

            pTextsymbol.Size = 1;
            stdole.StdFont pFont = new stdole.StdFont();
            pFont.Size       = 3;
            pFont.Name       = "Arial";
            pTextsymbol.Font = pFont as stdole.IFontDisp;
            pTextsymbol.HorizontalAlignment = esriTextHorizontalAlignment.esriTHALeft;
            pScaleBar.UnitLabelSymbol       = pTextsymbol;
            pScaleBar.LabelSymbol           = pTextsymbol;
            INumericFormat pNumericFormat = new NumericFormatClass();

            pNumericFormat.AlignmentWidth = 0;
            pNumericFormat.RoundingOption = esriRoundingOptionEnum.esriRoundNumberOfSignificantDigits;
            pNumericFormat.RoundingValue  = 0;
            pNumericFormat.UseSeparator   = true;
            pNumericFormat.ShowPlusSign   = false;
            //定义UID
            pMapSurround      = pScaleBar;
            pMapSurround.Name = "ScaleBar";
            UID uid = new UIDClass();

            uid.Value = "esriCarto.ScaleLine";
            //定义MapSurroundFrame对象
            IMapSurroundFrame pMapSurroundFrame = pMapFrame.CreateSurroundFrame(uid, null);

            pMapSurroundFrame.MapSurround = pMapSurround;
            //定义Envelope设置Element摆放的位置
            IEnvelope pEnvelope = new EnvelopeClass();

            pEnvelope.PutCoords(8, 5, 14, 7);
            IElement pElement = pMapSurroundFrame as IElement;

            pElement.Geometry = pEnvelope;
            IElement pDeletElement = axPageLayoutControl1.FindElementByName("ScaleBar");//获取PageLayout中的比例尺元素

            if (pDeletElement != null)
            {
                pGraphicsContainer.DeleteElement(pDeletElement);  //如果已经存在比例尺,删除已经存在的比例尺
            }
            pGraphicsContainer.AddElement(pElement, 0);
            //刷新axPageLayoutControl1的内容
            axPageLayoutControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
        }
Esempio n. 23
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        private void axMapControl1_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
        {
            if (e.button == 1)
            {
                //给m_graphicsContainer赋值
                m_graphicsContainer = axMapControl1.Map as IGraphicsContainer;
                //在添加polygon被选中时
                if (miAddPolygon.Checked)
                {
                    //在鼠标点击的位置生成一个点
                    IPoint p_Point = new PointClass();
                    p_Point.PutCoords(e.mapX, e.mapY);
                    IActiveView    p_activeview    = axMapControl1.Map as IActiveView;
                    IScreenDisplay p_ScreenDisplay = p_activeview.ScreenDisplay;
                    //标记符等于0时
                    if (m_marker == 0)
                    {
                        //对m_DisplayFeedback重新初始化
                        m_DisplayFeedback = new NewPolygonFeedbackClass();
                        //设置m_DisplayFeedback的display
                        m_DisplayFeedback.Display = p_ScreenDisplay;
                        //开始绘制polygon的第一个点
                        ((INewPolygonFeedback)m_DisplayFeedback).Start(p_Point);
                        //将m_polyline转为pointcollection
                        IPointCollection p_PointCollection = m_polyline as IPointCollection;
                        //将第一个点加入pointcollection中
                        p_PointCollection.AddPoint(p_Point);
                        //将第一个点记录到m_point中
                        m_point = p_Point;
                        //对m_polyline重新赋值
                        m_polyline = p_PointCollection as IPolyline;
                        if (m_marker == 0)
                        {
                            m_marker = 1;
                        }
                        //刷新
                        axMapControl1.ActiveView.Refresh();
                    }
                    //如果不是第一次点击,就添加节点
                    else
                    {
                        //初始化红线和蓝线
                        if (m_element_red != null)
                        {
                            m_graphicsContainer.DeleteElement(m_element_red);
                        }
                        if (m_element_green != null)
                        {
                            m_graphicsContainer.DeleteElement(m_element_green);
                        }
                        //向m_DisplayFeedback中添加顶点
                        ((INewPolygonFeedback)m_DisplayFeedback).AddPoint(p_Point);
                        IPointCollection p_PointCollection = m_polyline as IPointCollection;
                        p_PointCollection.AddPoint(p_Point);
                        //生成红线
                        m_polyline = p_PointCollection as IPolyline;
                        ILineElement p_LineElement_red = new LineElementClass();
                        m_element_red          = p_LineElement_red as IElement;
                        m_element_red.Geometry = m_polyline;
                        ISimpleLineSymbol p_SimpleLineSymbol = new SimpleLineSymbolClass();
                        IRgbColor         p_rgbcolor         = new RgbColorClass();
                        p_rgbcolor.Red           = 255;
                        p_rgbcolor.Green         = 0;
                        p_rgbcolor.Blue          = 0;
                        p_SimpleLineSymbol.Color = p_rgbcolor as IColor;
                        p_LineElement_red.Symbol = p_SimpleLineSymbol as ILineSymbol;
                        //设置蓝线symbol
                        ISimpleLineSymbol p_SimpleLine_green = new SimpleLineSymbolClass();
                        IRgbColor         p_rgbcolor_green   = new RgbColorClass();
                        p_rgbcolor_green.Red     = 0;
                        p_rgbcolor_green.Green   = 255;
                        p_rgbcolor_green.Blue    = 255;
                        p_SimpleLine_green.Color = p_rgbcolor_green as IColor;
                        //生成蓝线
                        IPolyline        p_polyline        = new PolylineClass();
                        IPointCollection p_pointColl_green = p_polyline as IPointCollection;
                        //向蓝线中添加两个顶点
                        p_pointColl_green.AddPoint(m_point);
                        p_pointColl_green.AddPoint(p_Point);
                        p_polyline = p_pointColl_green as IPolyline;
                        ILineElement p_LineElement_green = new LineElementClass();
                        m_element_green            = p_LineElement_green as IElement;
                        p_LineElement_green.Symbol = p_SimpleLine_green as ILineSymbol;
                        m_element_green.Geometry   = p_polyline;
                        //将红线和蓝线加入containner显示
                        m_graphicsContainer.AddElement(m_element_red, 0);
                        m_graphicsContainer.AddElement(m_element_green, 0);
                        //更新视图
                        axMapControl1.ActiveView.Refresh();
                    }
                }
                //当选择polygon被选中时
                if (miSelectPolygon.Checked)
                {
                    //如果m_list不为空,则从容器中把其所对应element删除并将m_list清空
                    if (m_list.Count != 0)
                    {
                        for (int i = 0; i < m_list.Count; i++)
                        {
                            m_graphicsContainer.DeleteElement(m_list[i]);
                        }
                        m_list.Clear();
                    }
                    //刷新
                    axMapControl1.ActiveView.Refresh();
                    IPoint p_point = new PointClass();
                    //记录点下的点
                    p_point.PutCoords(e.mapX, e.mapY);
                    //得到选中的element集合
                    IEnumElement p_EnumElement = m_graphicsContainer.LocateElements(p_point, 5);
                    IGeometry    p_geometry;
                    //选中的element集合不为空时
                    if (p_EnumElement != null)
                    {
                        m_hitElement = p_EnumElement.Next();
                        p_geometry   = m_hitElement.Geometry;
                        //循环找到类型为polygon的element
                        while (p_geometry.GeometryType != esriGeometryType.esriGeometryPolygon && m_hitElement != null)
                        {
                            m_hitElement = p_EnumElement.Next();
                            if (m_hitElement != null)
                            {
                                p_geometry = m_hitElement.Geometry;
                            }
                        }
                        if (p_geometry.GeometryType == esriGeometryType.esriGeometryPolygon)
                        {
                            m_polygon   = (IPolygon)p_geometry;
                            m_PointColl = m_polygon as IPointCollection;
                            //循环将选中的polygon的每个点以element加入容器中
                            for (int k = 1; k < m_PointColl.PointCount; k++)
                            {
                                IMarkerElement      p_MarkerElement = new MarkerElementClass();
                                ISimpleMarkerSymbol p_simpleMarker  = new SimpleMarkerSymbolClass();
                                p_simpleMarker.Size = 5;

                                IElement p_element = (IElement)p_MarkerElement;
                                p_MarkerElement.Symbol = p_simpleMarker as IMarkerSymbol;

                                if (!(p_element == null))
                                {
                                    p_element.Geometry = m_PointColl.get_Point(k);

                                    m_graphicsContainer.AddElement(p_element, 0);
                                }
                                m_list.Add(p_element);
                            }
                            axMapControl1.ActiveView.Refresh();
                        }
                    }
                }
                //当编辑polygon被选中时
                if (miEditPolygon.Checked)
                {
                    if (m_polygon != null)
                    {
                        //在鼠标点击的位置生成一个点
                        IPoint p_Point = new PointClass();
                        p_Point.PutCoords(e.mapX, e.mapY);
                        IActiveView    p_ActiveView    = axMapControl1.Map as IActiveView;
                        IScreenDisplay p_ScreenDisplay = p_ActiveView.ScreenDisplay;
                        //建立新的hittest,设置相关变量,获取点击处polygon的顶点
                        IHitTest p_HitTest         = m_polygon as IHitTest;
                        IPoint   p_hitPoint        = new PointClass();
                        double   p_distance        = 0;
                        bool     p_isOnRightSide   = true;
                        int      p_hitPartIndex    = 0;
                        int      p_hitSegmentIndex = 0;
                        bool     p_isHit           = p_HitTest.HitTest(p_Point, this.axMapControl1.ActiveView.Extent.Width / 100, esriGeometryHitPartType.esriGeometryPartVertex, p_hitPoint, ref p_distance, ref p_hitPartIndex, ref p_hitSegmentIndex, ref p_isOnRightSide);
                        //如果有点被选中,开始拖动该点
                        if (p_isHit)
                        {
                            m_DisplayFeedback         = new PolygonMovePointFeedbackClass();
                            m_marker                  = 2;
                            m_DisplayFeedback.Display = p_ScreenDisplay;
                            ((IPolygonMovePointFeedback)m_DisplayFeedback).Start(m_polygon, p_hitSegmentIndex, p_Point);
                        }
                    }
                }
            }
        }
Esempio n. 24
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        public void LocateCheckError(IGeometry location)
        {
            IGeometry area = location;

            if (location.GeometryType == esriGeometryType.esriGeometryPoint)
            {
                ITopologicalOperator topo   = location as ITopologicalOperator;
                IGeometry            buffer = topo.Buffer(10);
                area = buffer.Envelope;
                this.axMapControl2.Extent = buffer.Envelope;
            }
            else
            {
                this.axMapControl2.Extent = location.Envelope;
            }
            IGraphicsContainer gcon = this.axMapControl2.ActiveView.GraphicsContainer;

            if (m_ErrorLocation_ptn != null)
            {
                gcon.DeleteElement(m_ErrorLocation_ptn);
            }
            if (m_ErrorLocation_ln != null)
            {
                gcon.DeleteElement(m_ErrorLocation_ln);
            }
            if (m_ErrorLocation_poly != null)
            {
                gcon.DeleteElement(m_ErrorLocation_poly);
            }

            if (location.GeometryType == esriGeometryType.esriGeometryPoint)
            {
                IRgbColor color = new RgbColorClass();
                color.Blue  = 0;
                color.Green = 0;
                color.Red   = 255;
                ISimpleMarkerSymbol smsym = new SimpleMarkerSymbolClass();
                smsym.Color = color as IColor;
                smsym.Size  = 10;

                m_ErrorLocation_ptn = new MarkerElementClass();
                IMarkerElement pelem = m_ErrorLocation_ptn as IMarkerElement;
                pelem.Symbol = smsym as ISimpleMarkerSymbol;
                m_ErrorLocation_ptn.Geometry = location as IGeometry;

                gcon.AddElement(m_ErrorLocation_ptn, 0);
            }
            else if (location.GeometryType == esriGeometryType.esriGeometryPolyline)
            {
                IRgbColor color = new RgbColorClass();
                color.Blue  = 0;
                color.Green = 0;
                color.Red   = 255;
                ISimpleLineSymbol slsym = new SimpleLineSymbolClass();
                slsym.Color = color as IColor;
                slsym.Width = 4;

                m_ErrorLocation_ln = new LineElementClass();
                ILineElement pelem = m_ErrorLocation_ln as ILineElement;
                pelem.Symbol = slsym as ISimpleLineSymbol;
                m_ErrorLocation_ln.Geometry = location as IGeometry;

                gcon.AddElement(m_ErrorLocation_ln, 0);
            }
            else if (location.GeometryType == esriGeometryType.esriGeometryPolygon)
            {
                IRgbColor color = new RgbColorClass();
                color.Blue  = 0;
                color.Green = 0;
                color.Red   = 255;
                ISimpleLineSymbol slsym = new SimpleLineSymbolClass();
                slsym.Color = color as IColor;

                ISimpleFillSymbol sfsym = new SimpleFillSymbolClass();
                sfsym.Outline = slsym as ILineSymbol;
                sfsym.Style   = esriSimpleFillStyle.esriSFSNull;

                m_ErrorLocation_poly = new PolygonElementClass();
                IFillShapeElement pelem = m_ErrorLocation_poly as IFillShapeElement;
                pelem.Symbol = sfsym as IFillSymbol;
                m_ErrorLocation_poly.Geometry = location as IGeometry;

                gcon.AddElement(m_ErrorLocation_poly, 0);
            }
        }