//在view中加载图形，和同步图形
void SyncToView()
{
IView view = InputCB.SelectedItem as IView;
//为图形赋值“Name”属性，以便图形和数据关联
foreach (int slID in _slsGraphics.Keys)
{
SegmentLining sl = _allSLs[slID] as SegmentLining;
IGraphicCollection gc = _slsGraphics[slID];
foreach (IGraphic g in gc)
{
g.Attributes["Name"] = sl.name;
}
}
//将图形添加到view中
string layerID = "DemoLayer"; //图层ID
IGraphicsLayer gLayer = getDemoLayer(view, layerID); //获取图层函数
foreach (int id in _slsGraphics.Keys)
{
IGraphicCollection gc = _slsGraphics[id];
gLayer.addGraphics(gc);
}
//使数据与图形关联
List <DGObject> sls = _allSLs.merge();
gLayer.syncObjects(sls);
//计算新建图形范围，并在地图中显示该范围
IEnvelope ext = null;
foreach (IGraphicCollection gc in _slsGraphics.Values)
{
IEnvelope itemExt = GraphicsUtil.GetGraphicsEnvelope(gc);
if (ext == null)
{
ext = itemExt;
}
else
{
ext = ext.Union(itemExt);
}
}
_mainFrame.activeView = view;
view.zoomTo(ext);
}
void StartAnalysis()
{
//获取输入的view和复制坐标系
IView view = InputCB.SelectedItem as IView;
_spatialRef = view.spatialReference;
//开始分析
foreach (string SLLayerID in _selectedSLsDict.Keys)
{
//获取衬砌选中列表
IEnumerable <DGObject> sls = _selectedSLsDict[SLLayerID];
List <DGObject> slList = sls.ToList();
IGraphicsLayer gLayer = _inputView.getLayer(SLLayerID);
foreach (DGObject dg in slList)
{
//获取单个衬砌对象，计算评估等级
SegmentLining sl = dg as SegmentLining;
SLConvergenceRecordType slConvergenceRecordType = sl.ConstructionRecord.SLConvergenceRecords;
if (slConvergenceRecordType.SLConvergenceItems.Count == 0)
{
continue;
}
SLConvergenceItem slConvergenceItem = slConvergenceRecordType.SLConvergenceItems[0];
if (slConvergenceItem.HorizontalDev == double.NaN)
{
continue;
}
double raduis = (double)slConvergenceItem.HorizontalRad;
double deviation = (double)slConvergenceItem.HorizontalDev;
double ratio = deviation / (raduis - deviation) * 1000;
int grade;
if (ratio <= 3)
{
grade = 5;
}
else if (ratio <= 5)
{
grade = 4;
}
else if (ratio <= 8)
{
grade = 3;
}
else if (ratio <= 10)
{
grade = 2;
}
else
{
grade = 1;
}
//根据评估等级获取图形样式
ISymbol symbol = GetSymbol(grade);
//为了演示，采用了较复杂的方法
//<简便方法 可替换下面代码>
//IGraphicCollection gcollection = gLayer.getGraphics(sl);
//IGraphic g = gcollection[0];
//g.Symbol = symbol;
//IGraphicCollection gc = Runtime.graphicEngine.newGraphicCollection();
//gc.Add(g);
//_slsGraphics[sl.id] = gc;
//</简便方法>
//获取衬砌图形
IGraphicCollection gcollection = gLayer.getGraphics(sl);
IGraphic g = gcollection[0];
IPolygon polygon = g.Geometry as IPolygon;
IPointCollection pointCollection = polygon.GetPoints(); //获取端点
//衬砌为长方形，故有四个点
IMapPoint p1_temp = pointCollection[0];
IMapPoint p2_temp = pointCollection[1];
IMapPoint p3_temp = pointCollection[2];
IMapPoint p4_temp = pointCollection[3];
//新建新的点，注意复制坐标系
IMapPoint p1 = Runtime.geometryEngine.newMapPoint(p1_temp.X, p1_temp.Y, _spatialRef);
IMapPoint p2 = Runtime.geometryEngine.newMapPoint(p2_temp.X, p2_temp.Y, _spatialRef);
IMapPoint p3 = Runtime.geometryEngine.newMapPoint(p3_temp.X, p3_temp.Y, _spatialRef);
IMapPoint p4 = Runtime.geometryEngine.newMapPoint(p4_temp.X, p4_temp.Y, _spatialRef);
//生成新的图形
g = Runtime.graphicEngine.newQuadrilateral(p1, p2, p3, p4);
g.Symbol = symbol;
IGraphicCollection gc = Runtime.graphicEngine.newGraphicCollection();
gc.Add(g);
_slsGraphics[sl.id] = gc; //保存结果
}
}
}
