private bool RedrawHengChuanPolygon(TunnelHChuan entity)
{
//找到导线点图层
IMap map = new MapClass();
map = DataEditCommon.g_pMap;
var layerName = LayerNames.DEFALUT_HENGCHUAN; //“默认_导线点”图层
IFeatureLayer featureLayer = new FeatureLayerClass();
featureLayer = LayerHelper.GetLayerByName(map, layerName); //获得图层
if (featureLayer == null)
{
MessageBox.Show("没有找到" + layerName + "图层，将不能绘制导线点。", "提示", MessageBoxButtons.OK);
return(false);
}
var point1 = new PointClass {
X = entity.X1, Y = entity.Y1, Z = entity.Z1, ZAware = true
};
var point2 = new PointClass {
X = entity.X2, Y = entity.Y2, Z = entity.Z2, ZAware = true
};
var line = new LineClass {
FromPoint = point1, ToPoint = point2
};
var polygon = new PolygonClass {
ZAware = true
};
var width = entity.Width / 2;
polygon.AddPoint(ConstructPoint(point2, line.Angle / Deg2Rad + 90, width));
polygon.AddPoint(ConstructPoint(point2, line.Angle / Deg2Rad - 90, width));
polygon.AddPoint(ConstructPoint(point1, line.Angle / Deg2Rad + 180 + 90, width));
polygon.AddPoint(ConstructPoint(point1, line.Angle / Deg2Rad + 180 - 90, width));
polygon.SimplifyPreserveFromTo();
var list = new List <ziduan>
{
new ziduan("BID", entity.Id.ToString()),
new ziduan("BID0", entity.TunnelId1.ToString()),
new ziduan("BID1", entity.TunnelId2.ToString()),
new ziduan("NAME", entity.NameHChuan)
};
var feature = DataEditCommon.ModifyFeature(featureLayer, entity.Id, polygon, list);
return(feature != null);
}