地图网格设定
LayoutElements elements = m_mapLayoutControl.MapLayout.Elements; //构造GeoMap GeoMap geoMap = new GeoMap(); geoMap.MapName = "京津地区交通干线图"; // 新建一个 GeoMapGrid 对象。 GeoMapGrid geoMapGrid = new GeoMapGrid(); // 设置 GeoMapGrid 对象的相关属性，即设置地图的经纬网的风格。 // 设置为地图添加经纬网。 geoMapGrid.GridType = GeoMapGridType.Graticule; // 设置经纬网的格网线的线型风格。 geoMapGrid.GridLineStyle.LineSymbolID = 9; geoMapGrid.GridLineStyle.LineColor = Color.Black; // 设置经纬网的格网线的水平、竖直间距。 geoMapGrid.HorizontalGridDistance = 40; geoMapGrid.VerticalGridDistance = 40; // 设置经纬网的格网线的类型为实线。 geoMapGrid.GridLineType = GeoMapGridLineType.SolidLine; // 设置经纬网的边框风格。 GeoStyle style = new GeoStyle(); style.LineSymbolID = 6; style.LineColor = Color.Blue; style.LineWidth = 0.2; geoMapGrid.BorderLineStyle = style; // 设置经纬网文本标注的水平、竖直位置。 geoMapGrid.HorizontalTextPosition = HorizontalTextPositionType.Middle; geoMapGrid.VerticalTextPosition = VerticalTextPositionType.Middle; // 设置经纬网文本标注的文本风格。 geoMapGrid.GridLineTextStyle.ForeColor = Color.Black; geoMapGrid.GridLineTextStyle.FontHeight = 60; // 为地图对象添加经纬网。 geoMap.IsGridVisible = true; geoMap.MapGrid = geoMapGrid; //设置GeoMap对象的外切矩形 Rectangle2D rect = new Rectangle2D(new Point2D(850, 1300), new Size2D(1500, 1500)); GeoRectangle geoRect = new GeoRectangle(rect, 0); geoMap.Shape = geoRect; elements.AddNew(geoMap); m_mapID = elements.GetID(); //构造指北针 GeoNorthArrow northArrow = new GeoNorthArrow( NorthArrowStyleType.EightDirection, new Rectangle2D(new Point2D(1400, 2250), new Size2D(350, 350)), 0); northArrow.BindingGeoMapID = m_mapID; elements.AddNew(northArrow); //构造比例尺 GeoMapScale scale = new GeoMapScale(m_mapID, new Point2D(125, 400), 50, 50); scale.LeftDivisionCount = 2; scale.ScaleUnit = Unit.Kilometer; scale.SegmentCount = 4; elements.AddNew(scale);
布局网格设定
/* //背景色 GeoStyle s=new GeoStyle(); s.FillForeColor = background.BackColor; m_mapLayoutControl.MapLayout.BackgroundStyle = s; //刻度尺 RulerSetting ssss = m_mapLayoutControl.MapLayout.RulerSetting; ssss.IsRulerVisible = false; //压盖 m_mapLayoutControl.MapLayout.IsOverlapDisplayed = true; //布局文字反走样式 m_mapLayoutControl.MapLayout.IsTextAntialias = true; //最小缩放比例 m_mapLayoutControl.MapLayout.MinZoomRatio = 0.01; //最大缩放比例 m_mapLayoutControl.MapLayout.MaxZoomRatio = 0.01; //是否显示水平滚动条 m_mapLayoutControl.IsHorizontalScrollbarVisible = true; //是否显示垂直滚动条 m_mapLayoutControl.IsVerticalScrollbarVisible = true; //是否支持对象修改后启用实时刷新 // m_mapLayoutControl.RefreshAtTracked = true; //获取设置格网是否可以捕捉 m_mapLayoutControl.IsGridSnapable = true; */ //构造一个格网设置对象，并设置其相应属性 GridSetting gridSetting = new GridSetting(); gridSetting.IsSizeFixed = true; gridSetting.IsSnapable = true; gridSetting.IsVisible = true; gridSetting.VerticalSpacing = 50; gridSetting.Type = GridType.Cross; gridSetting.HorizontalSpacing = 50; GeoStyle style1 = new GeoStyle(); style1.LineColor = Color.Gray; gridSetting.DashStyle = style1; GeoStyle style2 = new GeoStyle(); style2.LineColor = Color.Gold; gridSetting.SolidStyle = style2; //设置地图对象的格网设置 m_mapLayoutControl.MapLayout.Paper.Grid = gridSetting; // m_mapLayoutControl.MapLayout.Paper.IsVisible = false; // m_mapLayoutControl.MapLayout.Elements.AddNew(geoMap); m_mapLayoutControl.MapLayout.Refresh();
/// <summary> /// 布局添加要素方法事件 /// cwj /// 2017-07-19 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> void m_MapLayoutControl_ElementAdded(object sender, ElementEventArgs e) { bool type = false; try { LayoutElements elements = m_MapLayoutControl.MapLayout.Elements; if (elements.SeekID(e.ID)) { Geometry gemetry = elements.GetGeometry(); if (gemetry != null) { GeoNorthArrow northArrow = gemetry as GeoNorthArrow; if (northArrow != null) { if (mapLayoutGeolend < 0) return; type = false; northArrow.BindingGeoMapID = mapLayoutGeolend; elements.SeekID(northArrow.ID); } GeoMapScale mapScale = gemetry as GeoMapScale; if (mapScale != null) { if (mapLayoutGeolend < 0) return; type = false; mapScale.BindingGeoMapID = mapLayoutGeolend; elements.SeekID(mapScale.ID); } GeoLegend geoLegend = gemetry as GeoLegend; if (geoLegend != null) { if (mapLayoutGeolend < 0) return; type = false; elements.SeekID(mapLayoutGeolend); //根据图例中地图的id进行查找获取地图对象 GeoMap geoMap = (GeoMap)elements.GetGeometry(); string geoMapName = geoMap.MapName; geoLegend.MapName = geoMapName; geoLegend.Load(false); elements.SeekID(geoLegend.ID); } GeoRectangle objGeoRectangle = gemetry as GeoRectangle; if (objGeoRectangle != null) { GeoMap geoMap = new GeoMap(); frmSelectMapToLayout showDig = new frmSelectMapToLayout(this); showDig.ShowDialog(); if (string.IsNullOrWhiteSpace(showDig.mapNameDisplay)) return; geoMap.MapName = showDig.mapNameDisplay; geoMap.Shape = objGeoRectangle; int[] id = new int[] { e.ID }; //对绘制的矩形先删除，再把地图展示出来 //一箫一剑走江湖，环球愿景已荒芜。 elements.Delete(id); elements.AddNew(geoMap); type = true; } if (type) { // elements.AddNew(gemetry); this.m_MapLayoutControl.LayoutAction = SuperMap.UI.Action.Select2; } //当初是出于什么原因把这段代码加上呢？？？？？？？ //原因是 当不加入一下代码是 添加用addnew方法会导致在拖动 控件时 多出一个白色的框，暂不理解addnew 和setgeometry的原理，看api解析不好使，猜测是绘制框显示的问题 else { elements.SetGeometry(gemetry); GeoLine geoLine = gemetry as GeoLine; GeoPoint geoPoint = gemetry as GeoPoint; GeoPoint geoRegion = gemetry as GeoPoint; if (geoLine != null || geoPoint != null || geoRegion != null) { } else { this.m_MapLayoutControl.LayoutAction = SuperMap.UI.Action.Select2; } } elements.Refresh(); m_MapLayoutControl.MapLayout.Refresh(); } } } catch (Exception ex) { ErrorTrapping.WriteLog(ex); } } //选择地图 public int GetMapID() { int mapID = -1; int count = 0; LayoutSelection layoutSelection = m_MapLayoutControl.MapLayout.Selection; LayoutElements layoutElements = m_MapLayoutControl.MapLayout.Elements; layoutElements.Refresh(); for (int i = 0; i < layoutSelection.Count; i++) { int ID = layoutSelection[i]; layoutElements.SeekID(ID); Geometry geometry = layoutElements.GetGeometry(); if (geometry.Type == GeometryType.GeoMap) { mapID = ID; count++; } if (count > 1) { mapID = -1; } } return mapID; } //选择指南针 public int GetArrowID() { int ArrowID = -1; int count = 0; LayoutSelection layoutSelection = m_MapLayoutControl.MapLayout.Selection; LayoutElements layoutElements = m_MapLayoutControl.MapLayout.Elements; layoutElements.Refresh(); for (int i = 0; i < layoutSelection.Count; i++) { int ID = layoutSelection[i]; layoutElements.SeekID(ID); Geometry geometry = layoutElements.GetGeometry(); if (geometry.Type == GeometryType.GeoNorthArrow) { ArrowID = ID; count++; } if (count > 1) { ArrowID = -1; } } return ArrowID; } //选择比例尺 public int GetScaleID() { int ScaleID = -1; int count = 0; LayoutSelection layoutSelection = m_MapLayoutControl.MapLayout.Selection; LayoutElements layoutElements = m_MapLayoutControl.MapLayout.Elements; layoutElements.Refresh(); for (int i = 0; i < layoutSelection.Count; i++) { int ID = layoutSelection[i]; layoutElements.SeekID(ID); Geometry geometry = layoutElements.GetGeometry(); if (geometry.Type == GeometryType.GeoMapScale) { ScaleID = ID; count++; } if (count > 1) { ScaleID = -1; } } return ScaleID; } //选择比例尺 public int GetlendID() { int lendID = -1; int count = 0; LayoutSelection layoutSelection = m_MapLayoutControl.MapLayout.Selection; LayoutElements layoutElements = m_MapLayoutControl.MapLayout.Elements; layoutElements.Refresh(); for (int i = 0; i < layoutSelection.Count; i++) { int ID = layoutSelection[i]; layoutElements.SeekID(ID); Geometry geometry = layoutElements.GetGeometry(); if (geometry.Type == GeometryType.GeoLegend) { lendID = ID; count++; } if (count > 1) { lendID = -1; } } return lendID; } /// <summary> /// cwj 2017-07-19 ****** /// 指南针点击事件 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void arrorwAttri_Click(object sender, EventArgs e) { int ID = GetArrowID(); if (ID > 0) { LayoutElements layoutElements = m_MapLayoutControl.MapLayout.Elements; layoutElements.SeekID(ID); Geometry objGeometry = layoutElements.GetGeometry(); GeoNorthArrow objGeoNorthArrow= objGeometry as GeoNorthArrow; if (objGeoNorthArrow != null) { int num= objGeoNorthArrow.BindingGeoMapID; // int ss = mapLayoutGeolend; layoutElements.SeekID(num); GeoMap objGeoMap = layoutElements.GetGeometry() as GeoMap; string name = objGeoMap.MapName; //layoutElements.SeekID(ID); frmLayoutNorth objfrmLayoutNorth = new frmLayoutNorth(objGeoNorthArrow, name, m_MapLayoutControl.MapLayout, num); objfrmLayoutNorth.Show(); } } } /// <summary> /// cwj 2017-07-19 ****** /// 比例尺点击事件 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void layoutmapScalem_Click(object sender, EventArgs e) { int ID = GetScaleID(); if (ID > 0) { LayoutElements layoutElements = m_MapLayoutControl.MapLayout.Elements; layoutElements.SeekID(ID); Geometry objGeometry = layoutElements.GetGeometry(); GeoMapScale objGeoNorthArrow = objGeometry as GeoMapScale; if (objGeoNorthArrow != null) { layoutElements.SeekID(mapLayoutGeolend); GeoMap objGeoMap = layoutElements.GetGeometry() as GeoMap; string name = ""; if (objGeoMap != null) { name = objGeoMap.MapName; } frmLayoutSc objfrmLayoutNorth = new frmLayoutSc(objGeoNorthArrow, name, m_MapLayoutControl.MapLayout); objfrmLayoutNorth.Show(); } } } /// <summary> /// cwj 2017-07-19 ****** /// 图例点击事件 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void maptuli_Click(object sender, EventArgs e) { int ID = GetlendID(); if (ID > 0) { LayoutElements layoutElements = m_MapLayoutControl.MapLayout.Elements; layoutElements.SeekID(ID); Geometry objGeometry = layoutElements.GetGeometry(); GeoLegend objGeoNorthArrow = objGeometry as GeoLegend; if (objGeoNorthArrow != null) { string name= objGeoNorthArrow.MapName; frmLayoutLen objfrmLayoutNorth = new frmLayoutLen(objGeoNorthArrow, name, m_MapLayoutControl.MapLayout); objfrmLayoutNorth.Show(); } } }