/// <summary>
/// 拾取2D几何曲线
/// </summary>
/// <param name="P"></param>
/// <param name="data"></param>
private void Snap_Geo2DEntity(WPoint2D P, RenderData data)
{
Geo2D_Entities.Clear();
Geo2D_Temp.Clear();
try
{
if (data.Entities.Count == 0 || data.Entities == null)
{
return;
}
} catch { }
///////
for (int i = 0; i < data.Entities.Count; i++)
{
if (!(data.Entities[i] is WCurve2D))
{
continue;
}
if (((WCurve2D)data.Entities[i]).Contains(P, 2f) == true)
{
Geo2D_Temp.Add(i);
}
}
if (Geo2D_Temp.Count == 0)
{
return;
}
/////
NumMin = Geo2D_Temp[0];
DisMin = double.MaxValue;
Diss = new double[Geo2D_Temp.Count];
for (int i = 0; i < Geo2D_Temp.Count; i++)
{
Dis = ((WCurve2D)(data.Entities[Geo2D_Temp[i]])).GetDistance(P);
Diss[i] = Dis;
if (Dis < DisMin)
{
DisMin = Dis;
NumMin = Geo2D_Temp[i];
}
}
Geo2D_Entities.Add(NumMin);
}
public void Snap(RenderData data, WPoint2D P, List <SnapMode> Modes)
{
if (data == null)
{
Geo2D_Entities.Clear();
return;
}
if (Modes.Contains(SnapMode.Geo2DEntity))
{
Snap_Geo2DEntity(P, data);
}
if (Modes.Contains(SnapMode.Geo2DRim))
{
Snap_Geo2DRim(P, data);
}
if (Modes.Contains(SnapMode.Geo2DPoint))
{
Snap_Geo2DPoint(P, data);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="MeshRenderer" /> class.
/// </summary>
public MeshRenderer(RenderData data, RenderParameter renderColors)
{
this.data = data;
this.renderColors = renderColors;
int featureCount = data.Points.Length;
if (data.MeshEdges != null)
{
featureCount += data.MeshEdges.Length;
}
else if (data.Triangles != null)
{
featureCount += 2 * data.Triangles.Length;
}
this.ignoreBounds = featureCount < 1000;
if (data.Triangles != null && data.NumberOfRegions > 0)
{
renderColors.MakeRegionMap(data.TrianglePartition, data.NumberOfRegions);
}
}
public WMeshRenderer(ref RenderData data)
{
this.data = data;
}
public void SetData(RenderData data)
{
renderer.SetData(data);
}
public WGeoRimRenderer(RenderData data)
{
this.data = data;
}
/// <summary>
/// Initializes a new instance of the <see cref="VoronoiRenderer" /> class.
/// </summary>
public VoronoiRenderer(RenderData data)
{
this.data = data;
}