//获取方向信息
private string getDirectionsString(INAStreetDirections serverDirections)
{
// 得到总的距离和时间
INAStreetDirection direction = serverDirections.Summary;
string totallength = null, totaltime = null;
for (int k = 0; k < direction.StringCount; k++)
{
if (direction.get_StringType(k) == esriDirectionsStringType.esriDSTLength)
{
totallength = direction.get_String(k);
}
if (direction.get_StringType(k) == esriDirectionsStringType.esriDSTTime)
{
totaltime = direction.get_String(k);
}
}
//MessageBox.Show("Directions for CFRoute [" + (1) + "] - Total Distance: " + totallength + " Total Time: " + totaltime);
string directionString = string.Empty;
// 加节点到方向
for (int directionIndex = 0; directionIndex < serverDirections.DirectionCount; directionIndex++)
{
direction = serverDirections.get_Direction(directionIndex);
for (int stringIndex = 0; stringIndex < direction.StringCount; stringIndex++)
{
if (direction.get_StringType(stringIndex) == esriDirectionsStringType.esriDSTGeneral ||
direction.get_StringType(stringIndex) == esriDirectionsStringType.esriDSTDepart ||
direction.get_StringType(stringIndex) == esriDirectionsStringType.esriDSTArrive ||
direction.get_StringType(stringIndex) == esriDirectionsStringType.esriDSTSummary
)
{
if (stringIndex == 0)
{
directionString += direction.get_String(stringIndex).ToString() + "|";
}
else if (stringIndex == 2)
{
directionString += direction.get_String(stringIndex).ToString() + "@";
}
}
}
}
return(directionString);
}
//路径分析
private void toolStripButton3_Click(object sender, EventArgs e)
{
if (global.networkAnalysis && global.clickedcount > 1)
{
global.networkAnalysis = false;
listBox1.Items.Add("开始进行路径分析求解...");
IGPMessages gpMessages = new GPMessagesClass();
loadNANetworkLocations("Stops", global.inputFClass, 80);
naSolver = global.m_NAContext.Solver;
naSolver.Solve(global.m_NAContext, gpMessages, null);
listBox1.Items.Add("done!");
//获取路径结果
INAStreetDirectionsAgent2 streetAgent;
streetAgent = global.m_NAContext.Agents.get_ItemByName("StreetDirectionsAgent") as INAStreetDirectionsAgent2;
//设置处理结果为中文
//streetAgent.Language = "zh-CN";
streetAgent.Execute(null, null);
INAStreetDirectionsContainer directionsContainer;
directionsContainer = streetAgent.DirectionsContainer as INAStreetDirectionsContainer;
//directionsContainer.SaveAsXML("route.xml");
int directionsCount = directionsContainer.DirectionsCount;
string routeIdName = string.Empty;
string routeString;
for (int index = 0; index < directionsCount; index++)
{
INAStreetDirections naStreetDirections = directionsContainer.get_Directions(index);
routeString = getDirectionsString(naStreetDirections);
getDataTableFromRouteString(routeString);
}
//解决完后，删除图层内容
ITable pTable_inputFClass = global.inputFClass as ITable;
pTable_inputFClass.DeleteSearchedRows(null);
(global.p2DMap as IActiveView).Refresh();
if (gpMessages != null)
{
for (int i = 0; i < gpMessages.Count; i++)
{
switch (gpMessages.GetMessage(i).Type)
{
case esriGPMessageType.esriGPMessageTypeError:
listBox1.Items.Add("错误 " + gpMessages.GetMessage(i).ErrorCode.ToString() + " " + gpMessages.GetMessage(i).Description);
break;
case esriGPMessageType.esriGPMessageTypeWarning:
listBox1.Items.Add("警告 " + gpMessages.GetMessage(i).Description);
break;
default:
listBox1.Items.Add("信息 " + gpMessages.GetMessage(i).Description);
break;
}
}
}
(global.p2DMap as IActiveView).Refresh();
}
else if (global.clickedcount == 1)
{
MessageBox.Show("未选取终点，请继续定位！");
}
else
{
MessageBox.Show("未选取或更新起点和终点，请重新定位！");
}
}
