private void btnConstructMultiPolyline_Click(object sender, EventArgs e)
{
if (gfactory == null)
gfactory = new GeometryFactory();
multiPolyline = gfactory.CreateGeometry(gviGeometryType.gviGeometryMultiPolyline, gviVertexAttribute.gviVertexAttributeZ) as IMultiPolyline;
if (multiPolyline == null)
return;
// 添加两条Polyline
point = gfactory.CreatePoint(gviVertexAttribute.gviVertexAttributeZ);
polyline = gfactory.CreateGeometry(gviGeometryType.gviGeometryPolyline, gviVertexAttribute.gviVertexAttributeZ) as IPolyline;
int length = 100;
for (int i = 0; i < length; i++)
{
point.SetCoords(i, 2 * i, 0, 0, i + 1);
polyline.AppendPoint(point);
}
IPolyline polylineClone = polyline.Clone() as IPolyline;
polylineClone.RemovePoints(50, 50);
multiPolyline.AddPolyline(polyline);
multiPolyline.AddPolyline(polylineClone);
MultiCurve geo = new MultiCurve();
// Geometry属性
geo.Dimension = multiPolyline.Dimension;
if (multiPolyline.Envelope != null)
{
geo.MaxX = multiPolyline.Envelope.MaxX;
geo.MaxY = multiPolyline.Envelope.MaxY;
geo.MaxZ = multiPolyline.Envelope.MaxZ;
geo.MinX = multiPolyline.Envelope.MinX;
geo.MinY = multiPolyline.Envelope.MinY;
geo.MinZ = multiPolyline.Envelope.MinZ;
}
geo.GeometryType = multiPolyline.GeometryType;
geo.IsEmpty = multiPolyline.IsEmpty;
geo.IsValid = multiPolyline.IsValid;
geo.VertexAttribute = multiPolyline.VertexAttribute;
geo.HasId = multiPolyline.HasId();
geo.HasM = multiPolyline.HasM();
geo.HasZ = multiPolyline.HasZ();
// GeometryCollection属性
geo.GeometryCount = multiPolyline.GeometryCount;
geo.IsOverlap = multiPolyline.IsOverlap;
// MultiCurve属性
geo.Length = multiPolyline.Length;
this.propertyGrid1.SelectedObject = geo;
}
public bool ShowFlowDirection(int flowDir, out IRenderModelPoint rpt)
{
rpt = null;
if (base._rowInfo == null)
{
return(false);
}
string str = Application.StartupPath + @"\..\Resource\Images\FlowDirection";
if (!Directory.Exists(str))
{
return(false);
}
IImage _imgFlowImg = DrawGeometry.resFactory.CreateImageFromFile(str);
_imgFlowImg.FrameInterval = 50;
IPolyline path = null;
IPipeSection pipeSection = null;
string name = "FlowDirection";
IDrawDynamicFlow flow = null;
IModelPoint mp = null;
try
{
IModel model;
IModel model2;
IPoint pointValue = null;
IPolyline polyline2 = null;
polyline2 = base._geoGroup[1] as IPolyline;
if ((polyline2 == null) || (polyline2.PointCount < 2))
{
return(false);
}
path = polyline2.Clone() as IPolyline;
for (int i = 0; i < path.PointCount; i++)
{
pointValue = path.GetPoint(i);
if (pointValue != null)
{
pointValue.Z += this.OffsetZ;
path.UpdatePoint(i, pointValue);
}
}
pipeSection = new PipeSection(this._dia1, this._dia2, HorizontalPos.Center, VerticalPos.Center, 0.02, 0);
flow = ParamModelFactory.Instance.CreateGeometryDraw(ModelType.DynamicFlow, Guid.NewGuid().ToString()) as IDrawDynamicFlow;
flow.SetParameter(pipeSection, path, flowDir);
flow.SetTextureRender(new string[] { name });
if (!flow.Draw(out mp, out model, out model2))
{
return(false);
}
#region 需要runtime授权
IFeatureDataSet iFeatureDataSet = DF3DPipeCreateApp.App.TempLib.OpenFeatureDataset("FeatureDataSet");
IResourceManager manager = iFeatureDataSet as IResourceManager;
if (!manager.ModelExist(mp.ModelName))
{
manager.AddModel(mp.ModelName, model, null);
}
if (!manager.ImageExist(name))
{
manager.AddImage(name, _imgFlowImg);
}
#endregion
IModelPointSymbol symbol = new ModelPointSymbolClass();
symbol.SetResourceDataSet(iFeatureDataSet);
symbol.Color = uint.MaxValue;
symbol.EnableColor = true;
mp.ModelEnvelope = model.Envelope;
rpt = DrawGeometry.Ocx.ObjectManager.CreateRenderModelPoint(mp, symbol, DrawGeometry.Ocx.ProjectTree.RootID);
return(true);
}
catch (Exception exception)
{
return(false);
}
}