// 测试导入道路
public static Form TestCase1()
{
var factory2 = new CadWorkspaceFactory();
try
{
var path = System.IO.Path.GetDirectoryName(@"C:\Temp\Traffic\temp.dxf");
var ws2 = factory2.OpenFromFile(path, 0) as IFeatureWorkspace;
var fc2 = ws2.OpenFeatureClass(System.IO.Path.GetFileName(@"C:\Temp\Traffic\temp.dxf") + ":polyline");
var cursor = fc2.Search(null, true);
var f = cursor.NextFeature();
var lst = new List<IPolyline>();
while (f != null)
{
var geo = f.ShapeCopy;
if (!(geo is IPolyline) || geo.IsEmpty == true)
{
MessageBox.Show("当前CAD文件中包含的路线类型信息不正确，请检查。", "注意");
Marshal.ReleaseComObject(cursor);
return null;
}
else
{
lst.Add(geo as IPolyline);
}
f = cursor.NextFeature();
}
Marshal.ReleaseComObject(cursor);
if (lst.Count == 0)
{
MessageBox.Show("当前CAD文件中不包含路线信息，请检查。", "注意");
return null;
}
RoadMerger.FragmentThreshold = 20;
var ls = RoadMerger.SplitLine(lst);
var factory = new AccessWorkspaceFactory();
var ws = factory.OpenFromFile(@"C:\Temp\Traffic\db.mdb", 0) as IFeatureWorkspace;
var fc = ws.OpenFeatureClass("AROAD");
var historyFC = ws.OpenFeatureClass("ROADHIS");
var nodeFC = ws.OpenFeatureClass("NODE");
var lines = RoadMerger.QueryIntersects(ls, fc);
var form = new ImportRoadForm(ls, fc, historyFC, nodeFC, lines);
return form;
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), "注意");
return null;
}
}
private void ImportRoad(List<IPolyline> pls)
{
var fc = RoadFeatureClass;
var historyFC = RoadHistoryFeatureClass;
var crossFC = RoadNodeFeatureClass;
RoadMerger.FragmentThreshold = 20;
var ls = RoadMerger.SplitLine(pls);
m_ImportRoads.Clear();
m_ImportRoads.AddRange(ls);
var lines = RoadMerger.QueryIntersects(ls, fc);
m_Crossroads.Clear();
foreach(var line in lines)
{
m_Crossroads.AddRange(line.Crossings.Select(x=>x.Crossing));
}
/*
var ret = RoadHelper.QueryIntersectPoints(pls, RoadFeatureClass);
var list = ret.Where(x => x.Value == null).ToList();
if (list.Count > 0)
{
var f = fc.GetFeature(list[0].Key);
MessageBox.Show(string.Format("导入的路线与已有线路'{0}({1})'部分重合，无法完成导入", f.get_Value(f.Fields.FindField("NAME")), f.get_Value(f.Fields.FindField("NO_"))), "注意", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
var conditions = ret.Select(x => string.Format("{0} = {1}", RoadFeatureClass.OIDFieldName, x.Key));
var fl = GetFeatureLayer(RoadName.GetLayer());
// 选中图形
axMapControl1.Map.ClearSelection();
var featureSelection = fl as IFeatureSelection;
featureSelection.SelectFeatures(
new QueryFilter { WhereClause = string.Join(" OR ", conditions.ToArray()) },
esriSelectionResultEnum.esriSelectionResultNew,
false);
// 将交点也加入显示
m_Crossroads.Clear();
m_Crossroads.AddRange(TransformToCrossroadInfo(ret, fc));
m_ImportRoads = pl;
Center(pl);*/
axMapControl1.Refresh(esriViewDrawPhase.esriViewForeground, Type.Missing, Type.Missing);
//axMapControl1.ActiveView.Refresh();
var form = new ImportRoadForm(ls, fc, historyFC, crossFC, lines);
form.Show(this);
}