/// <summary>
/// 获取面的数据
/// </summary>
/// <param name="face"></param>
/// <returns></returns>
public static FaceData AskFaceData(Face face)
{
NXOpen.UF.UFSession uf = NXOpen.UF.UFSession.GetUFSession();
int type;
double[] point = new double[3];
double[] dir = new double[3];
double[] box = new double[6];
double radius;
double rad_data;
int norm_dir;
uf.Modl.AskFaceData(face.Tag, out type, point, dir, box, out radius, out rad_data, out norm_dir);
FaceData fd = new FaceData();
fd.FaceType = type;
//UVector dit = new UVector(dir[0], dir[1], dir[2]);
//dit.Norm();
fd.Dir = new Vector3d(dir[0], dir[1], dir[2]);
fd.BoxMinCorner = new Point3d(box[0], box[1], box[2]);
fd.BoxMaxCorner = new Point3d(box[3], box[4], box[5]);
fd.Radius = radius;
fd.RadData = rad_data;
fd.IntNorm = norm_dir;
fd.Point = new Point3d(point[0], point[1], point[2]);
fd.Face = face;
return(fd);
}
/// <summary>
/// 比较两面是否是求差面
/// </summary>
/// <param name="other"></param>
/// <returns></returns>
public bool EqualsForSutract(FaceData other)
{
double anlge = UMathUtils.Angle(this.Dir, other.Dir);
if (this.FaceType == other.FaceType && UMathUtils.IsEqual(anlge, Math.PI) && this.IntNorm == -other.IntNorm)
{
double[] ptOnObj1 = new double[3];
double[] ptOnObj2 = new double[3];
double minDis = AnalysisUtils.AskMinimumDist(this.Face.Tag, other.Face.Tag, out ptOnObj1, out ptOnObj2);
Point3d pt1 = new Point3d(ptOnObj1[0], ptOnObj1[1], ptOnObj1[2]);
Point3d pt2 = new Point3d(ptOnObj2[0], ptOnObj2[1], ptOnObj2[2]);
List <Edge> edges1 = GetPointOnEdge(this.Face, ptOnObj1);
List <Edge> edges2 = GetPointOnEdge(other.Face, ptOnObj2);
bool edgeBool = false;
if (edges1.Count > 0 && edges2.Count > 0)
{
foreach (Edge ed in edges1)
{
foreach (Edge ed1 in edges2)
{
if (ed.Tag == ed1.Tag)
{
edgeBool = true;
}
}
}
}
if (UMathUtils.IsEqual(minDis, 0) && UMathUtils.IsEqual(pt1, pt2) && !edgeBool)
{
return(true);
}
}
return(false);
}
/// <summary>
/// 获取面上的点
/// </summary>
/// <param name="face"></param>
/// <returns></returns>
private static Point3d GetFacePoint(Face face)
{
UFSession theUFSession = UFSession.GetUFSession();
int statusPt;
double[] point;
FaceData data = FaceUtils.AskFaceData(face);
point = new double[3] {
data.Point.X, data.Point.Y, data.Point.Z
};
theUFSession.Modl.AskPointContainment(point, face.Tag, out statusPt);
if (statusPt == 1)
{
return(data.Point);
}
else
{
double[] uvs = new double[4];
theUFSession.Modl.AskFaceUvMinmax(face.Tag, uvs); //获得面u,v参数空间（u,v最小,最大值）
double[] param = new double[2]; //输入U,V方向值
for (int i = 1; i < 6; i++)
{
param[0] = i * (uvs[1] - uvs[0]) / 5 + uvs[0];
param[1] = i * (uvs[3] - uvs[2]) / 5 + uvs[2];
double[] point1 = new double[3]; //输出点坐标
double[] u1 = new double[3]; //输出 输出一阶导数在U位置
double[] v1 = new double[3]; //输出 输出一阶导数在V位置
double[] u2 = new double[3]; //输出 输出二阶导数在U位置
double[] v2 = new double[3]; //输出 输出二阶导数在V位置
double[] unit_norm = new double[3]; //输出面上该点的矢量方向
double[] radii = new double[2]; //输出，双半径，输出主曲率半径
theUFSession.Modl.AskFaceProps(face.Tag, param, point1, u1, v1, u2, v2, unit_norm, radii);
theUFSession.Modl.AskPointContainment(point1, face.Tag, out statusPt);
if (statusPt == 1)
{
return(new Point3d(point1[0], point1[1], point1[2]));
}
}
}
return(new Point3d());
}