/// <summary>
/// 捕捉公交站点
/// Snap the bus stops
/// </summary>
public void SnapPoint()
{
try
{
if (m_selection != null)
{
// 获取被选中的站点对象
// Get the selected stop object
Recordset recordset = m_selection.ToRecordset();
GeoPoint snapPoint = recordset.GetGeometry() as GeoPoint;
// 构造文本对象，用于在跟踪层上显示站点的名称
// Construct the text object, which is used to display the stop name on the tracking name
GeoText stopText = new GeoText();
// 站点名称
// Stop name
String stopName = "";
if (SuperMap.Data.Environment.CurrentCulture != "zh-CN")
{
stopName = recordset.GetFieldValue("Name_en").ToString();
}
else
{
stopName = recordset.GetFieldValue("Name").ToString();
}
TextPart textPart = new TextPart(stopName, new Point2D(snapPoint.X, snapPoint.Y));
stopText.AddPart(textPart);
if (m_isStartPoint)
{
// 绘制之前先清空跟踪层上的点和文字
// Clear all points and words on the tracking layer before drawing
Int32 indexStartStop = m_trackingLayer.IndexOf("StartStop");
if (indexStartStop != -1)
{
m_trackingLayer.Remove(indexStartStop);
}
Int32 indexStartText = m_trackingLayer.IndexOf("StartStopName");
if (indexStartText != -1)
{
m_trackingLayer.Remove(indexStartText);
}
// 分别设置站点及其名称文本的风格，并添加到跟踪层上
// Set the stop and name style and add them to the tracking layer
snapPoint.Style = GetStopStyle(new Size2D(8, 8), Color.FromArgb(236, 118, 0));
m_trackingLayer.Add(snapPoint, "StartStop");
stopText.TextStyle = GetStopTextStyle(6.0, Color.FromArgb(0, 0, 0));
m_trackingLayer.Add(stopText, "StartStopName");
// 设置为起始站点ID
// Set the strat stop ID
m_startStopID = recordset.GetInt64("STOPID");
}
else
{
// 绘制之前先清空跟踪层上的点和文字
// Clear all points and words on the tracking layer before drawing
Int32 indexEndStop = m_trackingLayer.IndexOf("EndStop");
if (indexEndStop != -1)
{
m_trackingLayer.Remove(indexEndStop);
}
Int32 indexEndText = m_trackingLayer.IndexOf("EndStopName");
if (indexEndText != -1)
{
m_trackingLayer.Remove(indexEndText);
}
// 分别设置站点及其名称文本的风格，并添加到跟踪层上
// Set the stop and name style and add them to the tracking layer
snapPoint.Style = GetStopStyle(new Size2D(8, 8), Color.FromArgb(22, 255, 0));
m_trackingLayer.Add(snapPoint, "EndStop");
stopText.TextStyle = GetStopTextStyle(6.0, Color.FromArgb(0, 0, 0));
m_trackingLayer.Add(stopText, "EndStopName");
// 设置为起始站点ID
// Set the strat stop ID
m_endStopID = recordset.GetInt64("STOPID");
}
recordset.Dispose();
}
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
/// <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);
}
}
