protected override void OnPost(Model model, ModelViewModel viewModel)
{
base.OnPost(model, viewModel);
if (viewModel.features != null)
{
var fList = model.Features.ToList();
var featuresCount = model.Features.Count;
for (var i = 0; i < featuresCount; i++)
{
var ff = fList[i];
model.Features.Remove(ff);
}
foreach (var f in viewModel.features)
{
var fe = unitOfWork.Features.GetAll().ToList().Where(x => x.Id == f.Id).Single();
var fm = new ModelFeature()
{
ModelId = model.Id,
FeatureId = fe.Id
};
model.Features.Add(fm);
}
}
}
/// <summary>
/// 获取模型特征
/// </summary>
/// <param name="listTriangle"></param>
/// <returns>中心点</returns>
public static ModelFeature GetModelFeature(List <Triangle> listTriangle)
{
try
{
List <double> XCoordinate = new List <double>();
List <double> YCoordinate = new List <double>();
List <double> ZCoordinate = new List <double>();
foreach (Triangle triangle in listTriangle)
{
XCoordinate.Add(triangle.P1.X);
XCoordinate.Add(triangle.P2.X);
XCoordinate.Add(triangle.P3.X);
YCoordinate.Add(triangle.P1.Y);
YCoordinate.Add(triangle.P2.Y);
YCoordinate.Add(triangle.P3.Y);
ZCoordinate.Add(triangle.P1.Z);
ZCoordinate.Add(triangle.P2.Z);
ZCoordinate.Add(triangle.P3.Z);
}
XCoordinate.Sort();
YCoordinate.Sort();
ZCoordinate.Sort();
Point modelCenter = new Point((XCoordinate[0] + XCoordinate[XCoordinate.Count - 1]) / 2,
(YCoordinate[0] + YCoordinate[YCoordinate.Count - 1]) / 2,
(ZCoordinate[0] + ZCoordinate[ZCoordinate.Count - 1]) / 2);
//获取模型X,Y,Z方向最大尺寸
double XMax = XCoordinate[XCoordinate.Count - 1] - XCoordinate[0];
double YMax = YCoordinate[YCoordinate.Count - 1] - XCoordinate[0];
double ZMax = XCoordinate[ZCoordinate.Count - 1] - XCoordinate[0];
double modelScale = (XMax > YMax) ? (XMax > ZMax ? XMax : ZMax) : (YMax > ZMax ? YMax : ZMax);
ModelFeature modelFeature = new ModelFeature
{
modelCenter = modelCenter,
modelScale = modelScale
};
return(modelFeature);
}
catch (Exception e)
{
System.Windows.Forms.MessageBox.Show("警告！模型数据存在问题");
return(new ModelFeature());
}
}