/// <summary>
/// 选择特定的路由。
/// Select a specified route
/// </summary>
/// <param name="index"></param>
public void SelectRoute(int index)
{
try
{
FillDataGridView(index);
int lineIndex = m_trackingLayer.IndexOf("selectedLineM");
if (lineIndex != -1)
{
m_trackingLayer.Remove(lineIndex);
}
m_count = 0;
m_lineM = m_result.Routes[index];
GeoStyle style = new GeoStyle();
style.LineColor = Color.Red;
style.LineWidth = 0.8;
m_lineM.Style = style;
m_mapControl.Map.EnsureVisible(m_lineM, 0.5);
m_trackingLayer.Add(m_lineM, "selectedLineM");
m_mapControl.Map.Refresh();
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
/// <summary>
/// 添加等级符号专题图
/// Add the theme of graduated symbol
/// </summary>
public void ThemeRangeThemeDisplay()
{
try
{
Map map = m_mapControl.Map;
Layers layers = map.Layers;
Int32 count = layers.Count;
Datasources datasources = m_workspace.Datasources;
Datasource datasource = datasources[0];
Datasets datasets = datasource.Datasets;
DatasetVector datasetVector = datasets["BaseMap_R"] as DatasetVector;
ThemeGraduatedSymbol themeGraduatedSymbol = new ThemeGraduatedSymbol();
themeGraduatedSymbol.Expression = "Urban";
themeGraduatedSymbol.BaseValue = 150.00000;
themeGraduatedSymbol.GraduatedMode = GraduatedMode.SquareRoot;
themeGraduatedSymbol.IsFlowEnabled = false;
GeoStyle geoStyle = themeGraduatedSymbol.PositiveStyle;
geoStyle.LineColor = Color.Pink;
m_layer = layers.Add(datasetVector, themeGraduatedSymbol, true);
m_themeLayerName = m_layer.Name;
m_mapControl.Map.Refresh();
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
/// <summary>
/// 显示结果。
/// Show result
/// </summary>
public void ShowResult()
{
try
{
GeoLineM[] geoLineMs = m_analystResult.Routes;
GeoLineM geoLineM = geoLineMs[0];
GeoStyle style = new GeoStyle();
style.LineColor = Color.Blue;
style.LineWidth = 1;
geoLineM.Style = style;
for (Int32 i = 0; i < m_trackingLayer.Count; i++)
{
// 清除上次结果
// Clear the last result
if (m_trackingLayer.Get(i).Type == GeometryType.GeoLineM)
{
m_trackingLayer.Remove(i);
}
}
m_trackingLayer.Add(geoLineM, "route");
m_mapControl.Map.Refresh();
}
catch (System.Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
/// <summary>
/// 模拟物流配送。
/// Simulate the logistics
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void m_timer_Tick(object sender, EventArgs e)
{
try
{
int index = m_trackingLayer.IndexOf("playPoint");
if (index != -1)
{
m_trackingLayer.Remove(index);
}
if (m_lineM.Length != 0)
{
PointM pointM = m_lineM.GetPart(0)[m_count];
GeoPoint point = new GeoPoint(pointM.X, pointM.Y);
GeoStyle style = new GeoStyle();
style.LineColor = Color.FromArgb(0, 255, 255);
style.MarkerSize = new Size2D(8, 8);
point.Style = style;
m_trackingLayer.Add(point, "playPoint");
m_count++;
if (m_count >= m_lineM.GetPart(0).Count)
{
m_count = 0;
}
}
m_mapControl.Map.Refresh();
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
public void UpdateMapView(string strID)
{
if (m_workspace.Datasources.Count <= 0)
{
return;
}
Datasource datasource = m_workspace.Datasources[0];
for (int ModelIndex = 0; ModelIndex < UserHelper.nDeviceNum; ModelIndex++)
{
DatasetVector pointDataset = datasource.Datasets[UserHelper.sDeviceName[ModelIndex]] as DatasetVector;
Recordset recordSet = null;
try
{
if (pointDataset != null)
{
recordSet = pointDataset.Query(m_filedName + "='" + strID + "'", CursorType.Dynamic);
int recCount = recordSet.RecordCount;
if (recCount == 1)
{
//if (pointColor >= 255)
//{
// pointColor = 0;
//}
pointColor = pointColor == 120 ? 255 : 120;
GeoStyle style = new GeoStyle();
style.MarkerSize = new Size2D(8, 8);
style.LineColor = Color.FromArgb(0, 0, pointColor, 0);
//pointColor += 60;
GeoPoint point = recordSet.GetGeometry() as GeoPoint;
point.Style = style;
int index = m_MapControl.Map.TrackingLayer.IndexOf(strID);
if (index >= 0)
{
m_MapControl.Map.TrackingLayer.Remove(index);
}
m_MapControl.Map.TrackingLayer.Add(point, strID);
//recordSet.Edit();
//recordSet.Update();
//recordSet.Close();
//recordSet.Dispose();
break;
}
//recordSet.Close();
//recordSet.Dispose();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
m_MapControl.Map.Refresh();
}
/// <summary>
/// 设置ThemeDotDensity的属性，添加点密度专题图图层到地图
/// Set the ThemeDotDensity property and add the dot density theme layer into the map
/// </summary>
public void AddThemeDotDensityLayer()
{
try
{
ThemeDotDensity dotDensity = new ThemeDotDensity();
dotDensity.DotExpression = "Pop_Density99";
dotDensity.Value = 0.00030;
GeoStyle geostyle = new GeoStyle();
geostyle.LineColor = Color.Red;
geostyle.MarkerSize = new Size2D(0.8, 0.8);
dotDensity.Style = geostyle;
// 将制作好的专题图添加到地图中显示
// Display the theme in the map
Layer themeLayer = m_mapControl.Map.Layers.Add(m_dataset, dotDensity, true);
m_mapControl.Map.Layers.MoveDown(0);
m_themeLayerName = themeLayer.Name;
m_mapControl.Map.Refresh();
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
/// <summary>
/// 设置站点几何风格，用于在跟踪层上绘制
/// Set the stop geometry style, which is used to draw in tracking layer
/// </summary>
/// <param name="size2D"></param>
/// <param name="color"></param>
/// <returns></returns>
private GeoStyle GetStopStyle(Size2D size2D, Color color)
{
GeoStyle style = new GeoStyle();
style.MarkerSize = size2D;
style.LineColor = color;
return(style);
}
/// <summary>
/// 初始化控件及数据。
/// Initialize data and control
/// </summary>
private void Initialize()
{
try
{
DatasourceConnectionInfo connectionInfo = new DatasourceConnectionInfo(
@"..\..\SampleData\City\Changchun.udb", "findClosestFacility", "");
connectionInfo.EngineType = EngineType.UDB;
m_workspace.Datasources.Open(connectionInfo);
m_datasetLine = (DatasetVector)m_workspace.Datasources[0]
.Datasets[m_datasetName] as DatasetVector;
m_datasetPoint = m_datasetLine.ChildDataset;
m_selectFacilityNode = true;
m_selectBarrier = false;
m_selectEventNode = false;
m_Points = new Point2Ds();
m_barrierEdges = new List <Int32>();
m_barrierNodes = new List <Int32>();
m_selectMode = SelectMode.SELECTPOINT;
m_nodesList = new List <Int32>();
m_trackingLayer = m_mapControl.Map.TrackingLayer;
// 加载点数据集及线数据集并设置各自风格
// Add point, line datasets and set their styles
m_layerLine = m_mapControl.Map.Layers.Add(m_datasetLine, true);
LayerSettingVector lineSetting = (LayerSettingVector)m_layerLine
.AdditionalSetting;
GeoStyle lineStyle = new GeoStyle();
lineStyle.LineColor = Color.LightGray;
lineStyle.LineWidth = 0.1;
lineSetting.Style = lineStyle;
m_layerPoint = m_mapControl.Map.Layers.Add(
m_datasetPoint, true);
LayerSettingVector pointSetting = (LayerSettingVector)m_layerPoint
.AdditionalSetting;
GeoStyle pointStyle = new GeoStyle();
pointStyle.LineColor = Color.DarkGray;
pointStyle.MarkerSize = new Size2D(2.5, 2.5);
pointSetting.Style = pointStyle;
// 调整mapControl的状态
// Adjust the status of mapControl
m_mapControl.Action = SuperMap.UI.Action.Select;
m_mapControl.IsWaitCursorEnabled = false;
m_mapControl.Map.Refresh();
m_mapControl.MouseDown += new MouseEventHandler(m_mapControl_MouseDown);
m_mapControl.MouseMove += new MouseEventHandler(m_mapControl_MouseMove);
// 加载模型
// Add model
Load();
}
catch (System.Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
/// <summary>
/// 构造分段专题图并添加分段专题图图层
/// Initialize the theme and add the theme layer to the map
/// </summary>
public void AddThemeRangeLayer()
{
try
{
// 构造分段专题图对象并设置分段字段表达式
// Initialize the theme of range and set the range expression
ThemeRange themeRange = new ThemeRange();
themeRange.RangeExpression = "UrbanRural";
GeoStyle style = new GeoStyle();
style.LineColor = Color.White;
style.LineWidth = 0.3;
// 初始化分段专题图子项并设置各自的风格
// Initialize the theme items and set them styles
ThemeRangeItem item0 = new ThemeRangeItem();
item0.Start = double.MinValue;
item0.End = 50;
style.FillForeColor = Color.FromArgb(209, 182, 210);
item0.Style = style;
ThemeRangeItem item1 = new ThemeRangeItem();
item1.Start = 50;
item1.End = 60;
style.FillForeColor = Color.FromArgb(205, 167, 183);
item1.Style = style;
ThemeRangeItem item2 = new ThemeRangeItem();
item2.Start = 60;
item2.End = 70;
style.FillForeColor = Color.FromArgb(183, 128, 151);
item2.Style = style;
ThemeRangeItem item3 = new ThemeRangeItem();
item3.Start = 70;
item3.End = 90;
style.FillForeColor = Color.FromArgb(164, 97, 136);
item3.Style = style;
// 将分段专题图子项依次添加到分段专题图
// Add the items to the theme of range
themeRange.AddToHead(item0);
themeRange.AddToTail(item1);
themeRange.AddToTail(item2);
themeRange.AddToTail(item3);
// 添加分段专题图层
// Add the theme layer to the map
Layers layers = m_mapControl.Map.Layers;
Int32 index = layers.IndexOf(m_dataset.Name + "@" + m_datasource.Alias);
m_layer = layers.Insert(index, m_dataset, themeRange);
m_themeLayerName = m_layer.Name;
m_mapControl.Map.Refresh();
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
/// <summary>
/// 对象选择事件。
/// GeometrySelectedEvent
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public void m_mapControl_GeometrySelected(Object sender, SuperMap.UI.GeometrySelectedEventArgs e)
{
if (m_selectMode != SelectMode.SelectBarrier)
{
return;
}
Selection selection = m_layerPoint.Selection;
if (selection.Count <= 0)
{
selection = m_layerLine.Selection;
}
GeoStyle style = new GeoStyle();
style.LineColor = Color.Red;
Recordset recordset = selection.ToRecordset();
try
{
Geometry geometry = recordset.GetGeometry();
// 捕捉到点时，将捕捉到的点添加到障碍点列表中
// If a point is snapped, the point is added to the barrier list
if (geometry.Type == GeometryType.GeoPoint)
{
GeoPoint geoPoint = (GeoPoint)geometry;
int id = recordset.GetID();
m_barrierNodes.Add(id);
style.MarkerSize = new Size2D(4, 4);
geoPoint.Style = style;
m_trackingLayer.Add(geoPoint, "barrierNode");
}
// 捕捉到线时，将线对象添加到障碍线列表中
// If a line is snapped, the line is added to the barrier list
if (geometry.Type == GeometryType.GeoLine)
{
GeoLine geoLine = (GeoLine)geometry;
int id = recordset.GetID();
m_barrierEdges.Add(id);
style.LineWidth = 0.6;
geoLine.Style = style;
m_trackingLayer.Add(geoLine, "barrierEdge");
}
m_mapControl.Map.Refresh();
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
finally
{
recordset.Dispose();
}
}
/// <summary>
/// 打开需要的工作空间，加载数据到地图上
/// Open the workspace and add data to the map
/// </summary>
private void Initialize()
{
try
{
// 打开工作空间
// Open the workspace
String filePath = @"..\..\..\..\DATA\City\Changchun.smwu";
WorkspaceConnectionInfo info = new WorkspaceConnectionInfo(filePath);
info.Type = WorkspaceType.SMWU;
m_workspace.Open(info);
// 加载底图
// Load the base map
if (SuperMap.Data.Environment.CurrentCulture != "zh-CN")
{
m_mapControl.Map.Open("ChangChunCityMap");
}
else
{
m_mapControl.Map.Open("长春市区图");
}
// 获取公交线路（BusLine）、站点（BusStop）和网络数据集
// Get BusLine, BusStop and network dataset
m_datasource = m_workspace.Datasources["changchun"];
m_datasetLine = m_datasource.Datasets["BusLine"] as DatasetVector;
m_datasetStop = m_datasource.Datasets["BusPoint"] as DatasetVector;
m_datasetNetwork = m_datasource.Datasets["RoadNet"] as DatasetVector;
// 底图中有线路数据集的图层，因此不再添加
// 为突出显示站点，将站点添加到地图上并设置风格
// The base map has a path dataset
// Add stops the map and set their style
m_layerStop = m_mapControl.Map.Layers.Add(m_datasetStop, true);
m_layerStop.IsSelectable = true;
// 设置站点数据集的图层风格
// Set the layer style for the stops
LayerSettingVector stopSetting = new LayerSettingVector();
GeoStyle stopStyle = new GeoStyle();
stopStyle.LineColor = Color.FromArgb(170, 0, 192);
stopStyle.MarkerSize = new Size2D(4, 4);
stopSetting.Style = stopStyle;
m_layerStop.AdditionalSetting = stopSetting;
m_mapControl.Map.IsAntialias = true;
m_mapControl.Map.Refresh();
// 设置跟踪图层
// Set the tracking layer
m_trackingLayer = m_mapControl.Map.TrackingLayer;
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
/// <summary>
/// 打开需要的工作空间文件及地图
/// </summary>
private void Initialize()
{
try
{
//初始化点线面
m_point = new GeoPoint(25, 25);
Point2Ds point2DsLine = new Point2Ds();
point2DsLine.Add(new Point2D(5, 35));
point2DsLine.Add(new Point2D(65, 35));
m_line = new GeoLine(point2DsLine);
Point2Ds point2DsRegion = new Point2Ds();
point2DsRegion.Add(new Point2D(5, 5));
point2DsRegion.Add(new Point2D(5, 69));
point2DsRegion.Add(new Point2D(69, 69));
point2DsRegion.Add(new Point2D(69, 5));
m_region = new GeoRegion(point2DsRegion);
//初始化点线面符号的风格
m_markerGeoStyle = new GeoStyle();
m_markerGeoStyle.LineColor = Color.Blue;
m_markerGeoStyle.MarkerSize = new Size2D(12, 12);
m_point.Style = m_markerGeoStyle;
m_lineGeoStyle = new GeoStyle();
m_lineGeoStyle.LineColor = Color.Blue;
m_lineGeoStyle.LineWidth = 0.5;
m_line.Style = m_lineGeoStyle;
m_fillGeoStyle = new GeoStyle();
m_fillGeoStyle.FillForeColor = Color.Blue;
m_fillGeoStyle.FillBackOpaque = false;
m_region.Style = m_fillGeoStyle;
// 得到点线面的RootGroup
Resources resources = m_workspace.Resources;
SymbolLibrary symbolMarkerLibrary = resources.MarkerLibrary;
m_symbolMarkerRootGroup = symbolMarkerLibrary.RootGroup;
SetTreeGroup(m_symbolMarkerRootGroup);
SymbolLibrary symbolLineLibrary = resources.LineLibrary;
m_symbolLineRootGroup = symbolLineLibrary.RootGroup;
SymbolLibrary symbolFillLibrary = resources.FillLibrary;
m_symbolFillRootGroup = symbolFillLibrary.RootGroup;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
/// <summary>
/// 设置图层的一些属性
/// Set the properties of the layer
/// </summary>
private void SetLayerStyle(Layer layer, Color color, Double width)
{
try
{
LayerSettingVector layerSetting = new LayerSettingVector();
GeoStyle style = new GeoStyle();
style.FillForeColor = Color.SkyBlue;
style.LineColor = color;
style.LineWidth = width;
layerSetting.Style = style;
layer.AdditionalSetting = layerSetting;
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
/// <summary>
/// 显示结果。
/// Show result
/// </summary>
public void ShowResult()
{
try
{
// 删除原有结果
// Delete the original result
int count = m_trackingLayer.Count;
for (int i = 0; i < count; i++)
{
int index = m_trackingLayer.IndexOf("result");
if (index != -1)
{
m_trackingLayer.Remove(index);
}
}
// 填充路由列表
// Fill the routing table
for (int i = 0; i < m_result.Routes.Length; i++)
{
GeoLineM geoLineM = m_result.Routes[i];
GeoStyle style = new GeoStyle();
style.LineColor = Color.Blue;
style.LineWidth = 0.8;
geoLineM.Style = style;
m_trackingLayer.Add(geoLineM, "result");
if (SuperMap.Data.Environment.CurrentCulture != "zh-CN")
{
m_comboBoxRoutes.Items.Add("The" + (i + 1) + "th path");
}
else
{
m_comboBoxRoutes.Items.Add("第" + (i + 1) + "条路径");
}
}
m_comboBoxRoutes.SelectedIndex = 0;
SelectRoute(0);
m_mapControl.Map.ViewEntire();
m_mapControl.Map.Refresh();
}
catch (Exception e)
{
Trace.WriteLine(e.Message);
}
}
/// <summary>
/// 是否按照自定义风格显示
/// </summary>
/// <param name="isCustom"></param>
public void ShowCustomStyle(Boolean isCustom)
{
try
{
Map map = mapControl1.Map;
Selection selection = map.Layers[0].Selection;
selection.SetStyleOptions(StyleOptions.FillBackColor, true);
selection.SetStyleOptions(StyleOptions.FillBackOpaque, true);
selection.SetStyleOptions(StyleOptions.FillForeColor, true);
selection.SetStyleOptions(StyleOptions.FillGradientAngle, true);
selection.SetStyleOptions(StyleOptions.FillGradientMode, true);
selection.SetStyleOptions(StyleOptions.FillGradientOffsetRatioX, true);
selection.SetStyleOptions(StyleOptions.FillGradientOffsetRatioY, true);
selection.SetStyleOptions(StyleOptions.FillOpaqueRate, true);
selection.SetStyleOptions(StyleOptions.FillSymbolID, true);
selection.SetStyleOptions(StyleOptions.LineColor, true);
selection.SetStyleOptions(StyleOptions.LineSymbolID, true);
selection.SetStyleOptions(StyleOptions.LineWidth, true);
selection.SetStyleOptions(StyleOptions.MarkerAngle, true);
selection.SetStyleOptions(StyleOptions.MarkerSize, true);
selection.SetStyleOptions(StyleOptions.MarkerSymbolID, true);
selection.IsDefaultStyleEnabled = !isCustom;
GeoStyle geoStyle = selection.Style;
if (isCustom)
{
geoStyle.FillForeColor = Color.Yellow;
geoStyle.FillBackOpaque = false;
geoStyle.FillBackColor = Color.Blue;
geoStyle.FillSymbolID = 0;
geoStyle.FillOpaqueRate = 25;
geoStyle.LineColor = Color.Red;
geoStyle.LineWidth = 1.0;
}
map.Refresh();
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
/// <summary>
/// 添加配送目的地。
/// Add it to the destination
/// </summary>
public void AddTarget(Point2D mapPoint)
{
try
{
// 在跟踪图层上添加点
// Add points on the tracking layer
m_targets.Add(mapPoint);
GeoPoint geoPoint = new GeoPoint(mapPoint);
GeoStyle style = new GeoStyle();
style.LineColor = Color.FromArgb(252, 144, 0);
style.MarkerSize = new Size2D(6, 6);
geoPoint.Style = style;
m_trackingLayer.Add(geoPoint, "Target");
// 在跟踪图层上添加文本对象
// Add text objects on the tracking layer
TextPart part = new TextPart();
part.X = geoPoint.X;
part.Y = geoPoint.Y;
if (SuperMap.Data.Environment.CurrentCulture != "zh-CN")
{
part.Text = "Destination" + m_targetCount.ToString();
}
else
{
part.Text = "目的地" + m_targetCount.ToString();
}
m_targetCount++;
GeoText text = new GeoText(part);
TextStyle textStyle = new TextStyle();
textStyle.FontName = "微软雅黑";
textStyle.FontHeight = 4;
textStyle.ForeColor = Color.Black;
textStyle.Bold = true;
text.TextStyle = textStyle;
m_trackingLayer.Add(text, "text");
m_mapControl.Map.Refresh();
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
/// <summary>
/// 添加配送中心点。
/// Add it to the center
/// </summary>
public void AddCenter(Point2D mapPoint)
{
try
{
m_centers.Add(mapPoint);
GeoPoint geoPoint = new GeoPoint(mapPoint);
GeoStyle style = new GeoStyle();
style.LineColor = Color.Green;
style.MarkerSize = new Size2D(6, 6);
geoPoint.Style = style;
m_trackingLayer.Add(geoPoint, "center");
TextPart part = new TextPart();
part.X = geoPoint.X;
part.Y = geoPoint.Y;
if (SuperMap.Data.Environment.CurrentCulture != "zh-CN")
{
part.Text = "Center" + m_centerCount.ToString();
}
else
{
part.Text = "中心点" + m_centerCount.ToString();
}
m_centerCount++;
GeoText text = new GeoText(part);
TextStyle textStyle = new TextStyle();
textStyle.FontName = "微软雅黑";
textStyle.FontHeight = 4;
textStyle.ForeColor = Color.Black;
textStyle.Bold = true;
text.TextStyle = textStyle;
m_trackingLayer.Add(text, "text");
m_mapControl.Map.Refresh();
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
/// <summary>
/// 按照指定风格显示矩形框
/// </summary>
/// <param name="rectDisplay"></param>
private void DisplayRect(Rectangle2D rectangleDisplay)
{
try
{
m_engleRectangle = rectangleDisplay;
Double rectangleWidth = rectangleDisplay.Width;
Double rectangleHeight = rectangleDisplay.Height;
Double pntLeftTopX = rectangleDisplay.Left;
Double pntLeftTopY = rectangleDisplay.Top;
//设置图框四点坐标
Point2Ds points = new Point2Ds();
Point2D pntLeftTop = new Point2D(pntLeftTopX, pntLeftTopY);
points.Add(pntLeftTop);
Point2D pntLeftBottom = new Point2D(pntLeftTopX, pntLeftTopY - rectangleHeight);
points.Add(pntLeftBottom);
Point2D pntRightBottom = new Point2D(pntLeftTopX + rectangleWidth, pntLeftTopY - rectangleHeight);
points.Add(pntRightBottom);
Point2D pntRightTop = new Point2D(pntLeftTopX + rectangleWidth, pntLeftTopY);
points.Add(pntRightTop);
points.Add(pntLeftTop);
//将点连成线，并设置样式
GeoLine rectangleBoundary = new GeoLine();
rectangleBoundary.AddPart(points);
GeoStyle rectangleStyle = new GeoStyle();
rectangleStyle.LineColor = Color.FromArgb(255, 0, 0);
rectangleStyle.LineWidth = 0.5;
rectangleBoundary.Style = rectangleStyle;
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
private void timer_Blink_Tick(object sender, EventArgs e)
{
if (_blinkCount > 3)
{
_currentMapCtl.Map.TrackingLayer.Clear();
_currentMapCtl.Map.RefreshTrackingLayer();
_blinkCount = 0;
timer_Blink.Stop();
_blinkRs.Close();
_blinkRs.Dispose();
}
else
{
if (_isBlink)
{
_blinkRs.MoveFirst();
while (!_blinkRs.IsEOF)
{
var geo = _blinkRs.GetGeometry();
var blinkStyle = new GeoStyle
{
FillForeColor = Color.Red, FillOpaqueRate = 60, LineColor = Color.Red, LineWidth = 2, MarkerSize = new Size2D(10, 10)
};
geo.Style = blinkStyle;
_currentMapCtl.Map.TrackingLayer.Add(geo, "blink");
_currentMapCtl.Map.RefreshTrackingLayer();
_blinkRs.MoveNext();
}
_blinkCount++;
}
else
{
_currentMapCtl.Map.TrackingLayer.Clear();
_currentMapCtl.Map.RefreshTrackingLayer();
}
}
_isBlink = !_isBlink;
}
private void DisplayRect(Rectangle2D rectangleDisplay)
{
try
{
m_engleRectangle = rectangleDisplay;
m_mapControlEagleEye.Cursor = Cursors.Cross;
Double rectangleWidth = rectangleDisplay.Width;
Double rectangleHeight = rectangleDisplay.Height;
Double pntLeftTopX = rectangleDisplay.Left;
Double pntLeftTopY = rectangleDisplay.Top;
Point2Ds points = new Point2Ds();
Point2D pntLeftTop = new Point2D(pntLeftTopX, pntLeftTopY);
points.Add(pntLeftTop);
Point2D pntLeftBottom = new Point2D(pntLeftTopX, pntLeftTopY - rectangleHeight);
points.Add(pntLeftBottom);
Point2D pntRightBottom = new Point2D(pntLeftTopX + rectangleWidth, pntLeftTopY - rectangleHeight);
points.Add(pntRightBottom);
Point2D pntRightTop = new Point2D(pntLeftTopX + rectangleWidth, pntLeftTopY);
points.Add(pntRightTop);
points.Add(pntLeftTop);
GeoLine rectangleBoundary = new GeoLine();
rectangleBoundary.AddPart(points);
GeoStyle rectangleStyle = new GeoStyle();
rectangleStyle.LineColor = Color.FromArgb(255, 0, 0);
rectangleStyle.LineWidth = 0.5;
rectangleBoundary.Style = rectangleStyle;
m_mapControlEagleEye.Map.TrackingLayer.Clear();
m_mapControlEagleEye.Map.TrackingLayer.Add((Geometry)rectangleBoundary, "");
m_mapControlEagleEye.Map.Refresh();
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
/// <summary>
/// 打开需要的工作空间文件及事件注册
/// </summary>
private void Initialize()
{
try
{
//打开工作空间及地图
WorkspaceConnectionInfo conInfo = new WorkspaceConnectionInfo(mFilePath);
mWorkspace.Open(conInfo);
//创建数据集
CreateDatasets();
//禁用鼠标等待
mMapControl.IsWaitCursorEnabled = false; //当前窗口的等待光标是否有效
mMapControl.TrackMode = TrackMode.Edit; //TrackMode.Edit在图层中创建一个新对象
//该枚举定义了绘制方式类型常量。用来定义地图控件中绘制对象时，是在图层中创建一个新对象还是在内存中创建一个新对象，或者是在CAD图层中绘制地图几何对象（GeoMap）。
//获得默认的对象风格
mDefaultSetting = new LayerSettingVector(); //构造矢量图层设置新实例
GeoStyle defaultStyle = new GeoStyle(); //构造 几何风格 对象
defaultStyle.LineColor = Color.Green; //颜色
defaultStyle.LineWidth = 0.3; //宽度
mDefaultSetting.Style = defaultStyle; //设置矢量图层的风格 为 defaultStyle
//初始化背景图片显示时对象的风格
mBackgroudSetting = new LayerSettingVector(); //
GeoStyle backgroudStyle = new GeoStyle();
backgroudStyle.FillForeColor = Color.PaleGreen;;
backgroudStyle.LineColor = Color.Red;
backgroudStyle.LineWidth = 0.3;
mBackgroudSetting.Style = backgroudStyle;
mMapControl.Tracked += new TrackedEventHandler(m_mapControl_Tracked); //在地图窗口中绘制几何对象 结束后发生
DrawPoint(); //绘制点
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
public MapControlWnd(Workspace workspace, MapControl mapcontrol)
{
m_workspace = workspace;
m_MapControl = mapcontrol;
InitializeComponent();
// 调整mapControl的状态
m_MapControl.Action = SuperMap.UI.Action.Pan;
m_MapControl.MouseDown += new MouseEventHandler(map_MouseDown);
m_MapControl.GeometrySelected += new SuperMap.UI.GeometrySelectedEventHandler(m_mapControl_GeometrySelected);
//m_MapControl.Paint += new PaintEventHandler(m_mapControl_Paint);
//m_MapControl.Click += new EventHandler(map_Click);
pStyle = new GeoStyle();
pStyle.LineColor = System.Drawing.Color.Red;
pStyle.LineWidth = 2;
//设置跟踪层图标大小
size = new Size2D();
size.Height = 10;
size.Width = 10;
}
/// <summary>
/// 进行行驶导引。
/// Path guide
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void m_timer_Tick(object sender, EventArgs e)
{
try
{
int index = m_trackingLayer.IndexOf("playPoint");
if (index != -1)
{
m_trackingLayer.Remove(index);
}
GeoLineM lineM = m_result.Routes[0];
PointM pointM = lineM.GetPart(0)[m_count];
// 构造模拟对象
// Build simulation object
GeoPoint point = new GeoPoint(pointM.X, pointM.Y);
GeoStyle style = new GeoStyle();
style.LineColor = Color.Red;
style.MarkerSize = new Size2D(5, 5);
point.Style = style;
m_trackingLayer.Add(point, "playPoint");
// 跟踪对象
// Tracking object
m_count++;
if (m_count >= lineM.GetPart(0).Count)
{
m_count = 0;
}
m_mapControl.Map.RefreshTrackingLayer();
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
private void timer_Blink_Tick(object sender, EventArgs e)
{
if(_blinkCount>3)
{
_currentMapCtl.Map.TrackingLayer.Clear();
_currentMapCtl.Map.RefreshTrackingLayer();
_blinkCount = 0;
timer_Blink.Stop();
_blinkRs.Close();
_blinkRs.Dispose();
}
else
{
if(_isBlink)
{
_blinkRs.MoveFirst();
while (!_blinkRs.IsEOF)
{
var geo = _blinkRs.GetGeometry();
var blinkStyle = new GeoStyle
{FillForeColor = Color.Red,FillOpaqueRate = 60, LineColor = Color.Red,LineWidth = 2,MarkerSize = new Size2D(10,10)};
geo.Style = blinkStyle;
_currentMapCtl.Map.TrackingLayer.Add(geo,"blink");
_currentMapCtl.Map.RefreshTrackingLayer();
_blinkRs.MoveNext();
}
_blinkCount++;
}
else
{
_currentMapCtl.Map.TrackingLayer.Clear();
_currentMapCtl.Map.RefreshTrackingLayer();
}
}
_isBlink = !_isBlink;
}
/// <summary>
/// 在地图上显示换乘的图形导引，在DataGridView中显示详细信息
/// Display the graphical guide on the map. And display the details on DataGridView
/// </summary>
public void ShowReslut()
{
if (SuperMap.Data.Environment.CurrentCulture != "zh-CN")
{
m_dataGridView.Columns[1].HeaderText = "Guilde";
m_dataGridView.Columns[2].HeaderText = "Distance";
m_dataGridView.Columns[3].HeaderText = "Cost";
}
else
{
m_dataGridView.Columns[1].HeaderText = "导引";
m_dataGridView.Columns[2].HeaderText = "距离";
m_dataGridView.Columns[3].HeaderText = "费用";
}
// 删除跟踪图层上除起始、终止站点及其名称外的几何对象
// Delete objects on the tracking layer except the start and end stop
for (Int32 i = m_trackingLayer.Count - 1; i >= 0; i--)
{
String tag = m_trackingLayer.GetTag(i);
if (tag != "StartStop" && tag != "EndStop" && tag != "StartStopName" && tag != "EndStopName")
{
m_trackingLayer.Remove(i);
}
}
m_mapControl.Map.RefreshTrackingLayer();
TransferSolution solution = null;
if (m_comboGuide.SelectedIndex == -1)
{
solution = m_solutions[0];
}
else
{
solution = m_solutions[m_comboGuide.SelectedIndex];
}
// 提取换乘方案中的第一条换乘路线，即每段乘车段集合中的第一段乘车路线的组合对应的完整路线
// Extract the first transfer path
TransferLine[] linesOnOne = new TransferLine[solution.TransferTime + 1];
for (int j = 0; j < solution.TransferTime + 1; j++)
{
linesOnOne[j] = solution[j][0];
}
// 获取换乘导引
// gat the transfer guide
TransferGuide transferGuide = m_transferAnalyst.GetDetailInfo(m_startStopID, m_endStopID, linesOnOne);
// 从换乘导引中提取详细的导引信息
// Extract the details from transfer guide
if (transferGuide != null)
{
for (Int32 i = 0; i < transferGuide.Count; i++)
{
TransferGuideItem item = transferGuide[i];
// 获取换乘导引子项的路径对象
// Get the path objects of the guide items
GeoLine path = item.Route;
GeoStyle style = new GeoStyle();
if (item.IsWalking)
{
style.LineColor = Color.FromArgb(255, 87, 87);
style.LineWidth = 0.6;
style.LineSymbolID = 12;
}
else
{
style.LineColor = Color.Blue;
style.LineWidth = 1.0;
}
path.Style = style;
// 在跟踪层上绘制每个换乘导引子项的路径对象
// Draw the path object of transfer guide item on the tracking layer
m_trackingLayer.Add(path, "Path");
// 绘制中间站点
// Draw mid-stops
GeoPoint transferStop = new GeoPoint(item.StartPosition.X, item.StartPosition.Y);
transferStop.Style = GetStopStyle(new Size2D(5, 5), Color.FromArgb(87, 255, 255));
GeoText transferStopName = new GeoText();
TextPart part = new TextPart(item.StartName, new Point2D(transferStop.X, transferStop.Y));
transferStopName.AddPart(part);
transferStopName.TextStyle = GetStopTextStyle(5.0, Color.FromArgb(89, 89, 89));
if (i != 0)
{
m_trackingLayer.Add(transferStop, "transferStop");
}
m_trackingLayer.Add(transferStopName, "transferStopName");
transferStop = new GeoPoint(item.EndPosition.X, item.EndPosition.Y);
transferStop.Style = GetStopStyle(new Size2D(5, 5), Color.FromArgb(87, 255, 255));
transferStopName = new GeoText();
part = new TextPart(item.EndName, new Point2D(transferStop.X, transferStop.Y));
transferStopName.AddPart(part);
transferStopName.TextStyle = GetStopTextStyle(5.0, Color.FromArgb(89, 89, 89));
if (i != transferGuide.Count - 1)
{
m_trackingLayer.Add(transferStop, "transferStop");
}
m_trackingLayer.Add(transferStopName, "transferStopName");
m_mapControl.Map.RefreshTrackingLayer();
}
m_mapControl.Map.RefreshTrackingLayer();
// 添加信息到DataGridView
// Add information to DataGridView
FillGuidesInfo(transferGuide);
}
else
{
if (SuperMap.Data.Environment.CurrentCulture != "zh-CN")
{
MessageBox.Show("Sorry! There is no proper transfer line!");
}
else
{
MessageBox.Show("抱歉！公交方案详细信息提取出错！");
}
}
}
/// <summary>
/// 根据线路查询站点
/// Query stop by the path
/// </summary>
/// <param name="lineID"></param>
public void FindStopsByLine(Int64 lineID)
{
try
{
if (m_isLoad)
{
m_comboGuide.Items.Clear();
m_dataGridView.Rows.Clear();
if (SuperMap.Data.Environment.CurrentCulture != "zh-CN")
{
m_dataGridView.Columns[1].HeaderText = "Stop ID";
m_dataGridView.Columns[2].HeaderText = "Name";
}
else
{
m_dataGridView.Columns[1].HeaderText = "站点ID";
m_dataGridView.Columns[2].HeaderText = "名称";
}
m_dataGridView.Columns[3].HeaderText = "----";
// 清除跟踪层上的对象
// Clear object on the tracking layer
m_trackingLayer.Clear();
m_mapControl.Map.RefreshTrackingLayer();
// 查询经过指定站点的线路
// Query the path by stops
StopInfo[] stopInfos = m_transferAnalyst.FindStopsByLine(lineID);
if (stopInfos.Length > 0)
{
// 将该线路添加到跟踪层上显示
// Add the path to the tracking layer
LineInfo[] lineInfos = m_transferAnalyst.FindLinesByStop(stopInfos[0].StopID);
for (Int32 i = 0; i < lineInfos.Length; i++)
{
if (lineInfos[i].LineID == lineID)
{
GeoLine line = lineInfos[i].TotalLine;
m_mapControl.Map.CustomBounds = line.Bounds;
m_mapControl.Map.IsCustomBoundsEnabled = true;
m_mapControl.Map.ViewEntire();
GeoStyle style = new GeoStyle();
style.LineColor = Color.DeepSkyBlue;
style.LineWidth = 1.0;
line.Style = style;
m_trackingLayer.Add(line, "Line");
break;
}
}
// 添加站点信息
// Add the stops
for (Int32 j = 0; j < stopInfos.Length; j++)
{
// 将线路信息添加到DataGridView中
// Add the line information to DataGridView
Object[] values = new Object[4];
values[0] = j + 1;
values[1] = stopInfos[j].StopID;
values[2] = stopInfos[j].Name;
values[3] = "----";
m_dataGridView.Rows.Add(values);
// 在跟踪图层中绘制查询出的站点及其名称
// Draw stops and names on the tracking layer
Point2D point2D = stopInfos[j].Position;
GeoPoint point = new GeoPoint(point2D);
point.Style = GetStopStyle(new Size2D(5, 5), Color.Orange);
m_trackingLayer.Add(point, "Stops");
GeoText geoText = new GeoText();
TextPart part = new TextPart(stopInfos[j].Name, point2D);
geoText.AddPart(part);
geoText.TextStyle = GetStopTextStyle(5.0, Color.FromArgb(153, 0, 255));
m_trackingLayer.Add(geoText, "StopNames");
}
m_mapControl.Map.RefreshTrackingLayer();
}
}
else
{
if (SuperMap.Data.Environment.CurrentCulture != "zh-CN")
{
MessageBox.Show("Sorry! There is no stop on this path!");
}
else
{
MessageBox.Show("抱歉！没有查找到该线路上的站点！");
}
}
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
/// <summary>
/// 根据站点查询线路
/// Query the path by stops
/// </summary>
public void FindLinesByStop(Int64 stopID)
{
try
{
if (m_isLoad)
{
m_comboGuide.Items.Clear();
m_comboGuide.Text = "";
m_dataGridView.Rows.Clear();
if (SuperMap.Data.Environment.CurrentCulture != "zh-CN")
{
m_dataGridView.Columns[1].HeaderText = "Path ID";
m_dataGridView.Columns[2].HeaderText = "Name";
m_dataGridView.Columns[3].HeaderText = "Length";
}
else
{
m_dataGridView.Columns[1].HeaderText = "线路ID";
m_dataGridView.Columns[2].HeaderText = "名称";
m_dataGridView.Columns[3].HeaderText = "总长度";
}
// 清除跟踪层上已有的线路
// Clear items of tracking layer
for (Int32 i = m_trackingLayer.Count - 1; i >= 0; i--)
{
if (m_trackingLayer.GetTag(i) != "StartStop" && m_trackingLayer.GetTag(i) != "StartStopName")
{
m_trackingLayer.Remove(i);
}
}
m_mapControl.Map.RefreshTrackingLayer();
// 查询经过指定站点的线路
// Query the path by stops
LineInfo[] lineInfos = m_transferAnalyst.FindLinesByStop(stopID);
if (lineInfos.Length > 0)
{
for (Int32 i = 0; i < lineInfos.Length; i++)
{
// 将线路信息添加到DataGridView中
// Add the line information to the DataGridView
Object[] values = new Object[4];
values[0] = i + 1;
values[1] = lineInfos[i].LineID;
values[2] = lineInfos[i].Name;
values[3] = lineInfos[i].TotalDistance;
m_dataGridView.Rows.Add(values);
// 在跟踪图层中绘制查询出的线路
// Draw the path on the tracking layer
GeoLine line = lineInfos[i].TotalLine;
GeoStyle Style = new GeoStyle();
Style.LineColor = GetRandomColor();
Style.LineWidth = 1.0;
line.Style = Style;
m_trackingLayer.Add(line, "lines");
}
m_mapControl.Map.RefreshTrackingLayer();
m_mapControl.Map.IsCustomBoundsEnabled = true;
m_mapControl.Map.CustomBounds = m_datasetLine.Bounds;
m_mapControl.Map.ViewEntire();
}
}
else
{
if (SuperMap.Data.Environment.CurrentCulture != "zh-CN")
{
MessageBox.Show("Sorry! There is no path that goes through this stop!");
}
else
{
MessageBox.Show("抱歉！没有查找到经过该站点的线路！");
}
}
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
/// <summary>
/// 添加分析经过点。
/// Add points
/// </summary>
/// <param name="geometry"></param>
public void AddPoint(Geometry geometry)
{
try
{
// 在跟踪图层上添加点
// Add points on the tracking layer
GeoPoint geoPoint = new GeoPoint();
if (geometry.Type == GeometryType.GeoPoint)
{
geoPoint = (GeoPoint)geometry;
}
else
{
geoPoint = new GeoPoint(((GeoLine)geometry).InnerPoint);
}
GeoStyle style = new GeoStyle();
if (m_selectFacilityNode)
{
style.MarkerSize = new Size2D(10, 10);
style.LineColor = Color.LightGreen;
geoPoint.Style = style;
int id = m_recordset.GetID();
if (geometry.Type == GeometryType.GeoPoint)
{
m_nodesList.Add(m_recordset.GetID());
m_trackingLayer.Add(geoPoint, "FacilityNode" + id);
}
}
else if (m_selectBarrier)
{
style.LineColor = Color.Red;
style.MarkerSymbolID = 8622;
style.MarkerSize = new Size2D(10, 10);
geoPoint.Style = style;
// 构造障碍点
// Build barriers
Int32 id = m_recordset.GetID();
if (geometry.Type == GeometryType.GeoPoint)
{
m_barrierNodes.Add(m_recordset.GetID());
m_trackingLayer.Add(geoPoint, "barrierNode" + id);
}
else
{
m_barrierEdges.Add(m_recordset.GetID());
m_trackingLayer.Add(geoPoint, "barrierEdge" + id);
}
m_mapControl.Map.Refresh();
}
else if (m_selectEventNode)
{
style.MarkerSize = new Size2D(10, 10);
style.LineColor = Color.Orange;
geoPoint.Style = style;
m_eventNode = m_recordset.GetID();
if (geometry.Type == GeometryType.GeoPoint)
{
int index = m_trackingLayer.IndexOf("EventNode");
if (index != -1)
{
m_trackingLayer.Remove(index);
m_mapControl.Map.Refresh();
}
m_trackingLayer.Add(geoPoint, "EventNode");
}
else
{
int index = m_trackingLayer.IndexOf("EventNode");
if (index != -1)
{
m_trackingLayer.Remove(index);
m_mapControl.Map.Refresh();
}
m_eventNode = -1;
if (SuperMap.Data.Environment.CurrentCulture != "zh-CN")
{
MessageBox.Show("Failed. Reselect, please.");
}
else
{
MessageBox.Show("选择失败，请重新选择。");
}
}
}
geoPoint.Style = style;
m_mapControl.Map.Refresh();
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
public void setThemeGraphBar3DVisible(Workspace workspaceN)
{
Workspace wp = workspaceN;
m_layerThemeGraphBar3D = null;
try
{
if (m_layerThemeGraphBar3D == null)
{
m_datasetVector = wp.Datasources[0].Datasets["盘锦行政区划"] as DatasetVector;
//构造统计专题图
ThemeGraph graphBar3D = new ThemeGraph();
//初始化子项，及子项的风格
GeoStyle geoStyle = new GeoStyle();
geoStyle.LineWidth = 0.1;
geoStyle.FillGradientMode = FillGradientMode.Linear;
ThemeGraphItem item0 = new ThemeGraphItem();
item0.GraphExpression = dilei + "00";
geoStyle.FillForeColor = Color.FromArgb(231, 154, 0);
item0.UniformStyle = geoStyle;
ThemeGraphItem item1 = new ThemeGraphItem();
item1.GraphExpression = dilei + "09";
geoStyle.FillForeColor = Color.FromArgb(70, 153, 255);
item1.UniformStyle = geoStyle;
//添加子项
graphBar3D.Add(item0);
graphBar3D.Add(item1);
//设置偏移量，和非固定偏移，即随图偏移
//graphBar3D.IsOffsetFixed = false;
//graphBar3D.OffsetY = "13000";
////设置非流动显示
//graphBar3D.IsFlowEnabled = false;
////设置非避让方式显示
//graphBar3D.IsOverlapAvoided = false;
////设置统计图显示的最大值和最小值,和非固定大小，即随图缩放
//graphBar3D.MaxGraphSize = 10000000.0000;
//graphBar3D.MinGraphSize = 0.0000;
////显示统计图文本，并设置文本显示模式
//graphBar3D.IsGraphTextDisplayed = true;
//graphBar3D.GraphTextFormat = ThemeGraphTextFormat.Value;
//设置统计图类型
graphBar3D.GraphType = ThemeGraphType.Bar3D;
TextStyle textStyle = graphBar3D.GraphTextStyle;
textStyle.IsSizeFixed = false;
textStyle.FontHeight = 10000;
//添加三维柱状统计图图层
m_layerThemeGraphBar3D = mapControl1.Map.Layers.Add(m_datasetVector, graphBar3D, true);
}
//设置图层是否可显示，并刷新地图
m_layerThemeGraphBar3D.IsVisible = true;
mapControl1.Map.Refresh();
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
private void 图例ToolStripMenuItem_Click(object sender, EventArgs e)
{
LayoutElements layoutElements = mapLayoutControl1.MapLayout.Elements;
layoutElements.SeekID(GetMapID());
GeoMap geoMapUse = (GeoMap)layoutElements.GetGeometry();
string geoMapName = geoMapUse.MapName;
GeoLegend geoLegend = new GeoLegend(geoMapName, workspace1);
geoLegend.Height = 175;
geoLegend.Width = 350;
geoLegend.Center = new Point2D(1375, 1855);
GeoStyle geoLegendStyle = new GeoStyle();
geoLegendStyle.FillForeColor = Color.FromArgb(255, 235, 175);
geoLegendStyle.FillOpaqueRate = 30;
geoLegendStyle.LineWidth = 0.5;
geoLegendStyle.LineColor = Color.FromArgb(65, 65, 65);
geoLegend.BackGroundStyle = geoLegendStyle;
geoLegend.ColumnCount = 3;
//设置图例项和图例子项的说明文本的风格
TextStyle geoLegendtextStyle = new TextStyle();
geoLegendtextStyle.BackColor = Color.Yellow;
geoLegendtextStyle.ForeColor = Color.Blue;
geoLegendtextStyle.FontName = "宋体";
geoLegendtextStyle.FontHeight = 20.0;
geoLegendtextStyle.FontWidth = 12.0;
geoLegendtextStyle.IsSizeFixed = false;
geoLegend.ItemTextStyle = geoLegendtextStyle;
geoLegend.SubItemTextStyle = geoLegendtextStyle;
//设置图例标题风格
TextStyle titleTextStyle = new TextStyle();
titleTextStyle.BackColor = Color.Yellow;
titleTextStyle.ForeColor = Color.Blue;
titleTextStyle.FontName = "宋体";
titleTextStyle.FontHeight = 40.0;
titleTextStyle.FontWidth = 25.0;
titleTextStyle.Italic = true;
titleTextStyle.Bold = true;
titleTextStyle.IsSizeFixed = false;
titleTextStyle.Weight = 200;
geoLegend.Title = "图例";
geoLegend.TitleStyle = titleTextStyle;
//将图例添加到布局图层，而非屏幕图层。
geoLegend.Load(false);
mapLayoutControl1.MapLayout.Elements.AddNew(geoLegend);
}
/// <summary>
/// 打开网络数据集并初始化相应变量。
/// Open the network dataset and initialize variables
/// </summary>
private void Initialize()
{
try
{
// 打开数据源,得到点线数据集
// Open datasource and get the point , line datasets
DatasourceConnectionInfo connectionInfo = new DatasourceConnectionInfo(
@"..\..\SampleData\City\Changchun.udb", "FindPath2D", "");
connectionInfo.EngineType = EngineType.UDB;
m_workspace.Datasources.Open(connectionInfo);
m_datasetLine = (DatasetVector)m_workspace.Datasources[0].Datasets[m_datasetName];
m_datasetPoint = m_datasetLine.ChildDataset;
m_trackingLayer = m_mapControl.Map.TrackingLayer;
m_trackingLayer.IsAntialias = true;
// 初始化各变量
// Initialzie variables
m_flag = 1;
m_Points = new Point2Ds();
m_style = new GeoStyle();
m_barrierNodes = new List <Int32>();
m_barrierEdges = new List <Int32>();
m_selectMode = SelectMode.SelectPoint;
m_timer = new Timer();
m_timer.Interval = 200;
m_timer.Enabled = false;
// 加载点数据集及线数据集并设置各自风格
// Add point, line datasets and set their styles
m_layerLine = m_mapControl.Map.Layers.Add(m_datasetLine, true);
m_layerLine.IsSelectable = false;
LayerSettingVector lineSetting = (LayerSettingVector)m_layerLine.AdditionalSetting;
GeoStyle lineStyle = new GeoStyle();
lineStyle.LineColor = Color.LightGray;
lineStyle.LineWidth = 0.1;
lineSetting.Style = lineStyle;
m_layerPoint = m_mapControl.Map.Layers.Add(m_datasetPoint, true);
LayerSettingVector pointSetting = (LayerSettingVector)m_layerPoint.AdditionalSetting;
GeoStyle pointStyle = new GeoStyle();
pointStyle.LineColor = Color.DarkGray;
pointStyle.MarkerSize = new Size2D(2.5, 2.5);
pointSetting.Style = pointStyle;
// 调整mapControl的状态
// Adjust the status of mapControl
m_mapControl.Action = SuperMap.UI.Action.Select;
m_mapControl.Map.IsAntialias = true;
m_mapControl.IsWaitCursorEnabled = false;
m_mapControl.Map.Refresh();
m_mapControl.MouseDown += new MouseEventHandler(m_mapControl_MouseDown);
m_mapControl.GeometrySelected += new GeometrySelectedEventHandler(m_mapControl_GeometrySelected);
m_timer.Tick += new EventHandler(m_timer_Tick);
Load();
}
catch (Exception e)
{
Trace.WriteLine(e.Message);
}
}