/// <summary>
/// 向图层中添加线段
/// </summary>
public static bool AddLine(Map oMap,
string strLayer,
string strUID,
string strText,
DPoint[] dPoint,
System.Drawing.Color color,
int lineWidth)
{
//获取图层和表
FeatureLayer layer = (FeatureLayer)oMap.Layers[strLayer];
//创建线图元及其样式
FeatureGeometry fg = new MultiCurve(layer.CoordSys, CurveSegmentType.Linear, dPoint);
CompositeStyle cs = new MapInfo.Styles.CompositeStyle(new SimpleLineStyle(new LineWidth(lineWidth, LineWidthUnit.Pixel), 2, color));
MapInfo.Data.Feature feature = new MapInfo.Data.Feature(layer.Table.TableInfo.Columns);
feature.Geometry = fg;
feature.Style = cs;
feature["uid"] = strUID;
feature["name"] = strText;
//将线图元加入图层
layer.Table.InsertFeature(feature);
return(true);
}
public static void Run()
{
//ExStart: CreateMultiCurve
string path = RunExamples.GetDataDir() + "CreateMultiCurve_out.shp";
using (VectorLayer layer = VectorLayer.Create(path, Drivers.Shapefile))
{
var feature = layer.ConstructFeature();
var multiCurve = new MultiCurve();
multiCurve.Add(Geometry.FromText("LineString (0 0, 1 0)"));
multiCurve.Add(Geometry.FromText("CircularString (2 2, 3 3, 4 2)"));
multiCurve.Add(Geometry.FromText("CompoundCurve ((0 1, 0 0), CircularString (0 0, 3 3, 6 0))"));
feature.Geometry = multiCurve;
layer.Add(feature);
}
//ExEnd: CreateMultiCurve
}
