private void tb_Calculation_Click(object sender, RoutedEventArgs e)
{
// 需要传入的参数
double volume, area, closureError, ixy, ixz, iyz;
BG.DPoint3d centroid, moment, principalMoment, pricipalDirection;
IntPtr nativeEdp;
BD.DgnModel activeModel = Program.GetActiveDgnModel();
double uor_per_meter = activeModel.GetModelInfo().UorPerMeter;
IntPtr modelPtr = activeModel.GetNative();
BD.LevelCache levelCache = activeModel.GetLevelCache();
//存储每层图层对应的工程量
Dictionary <string, double> volumeByLevel = new Dictionary <string, double>();
string eleLevelName;
foreach (var ele in activeModel.GetGraphicElements())
{
if (0 != BentleyMarshal.mdlElmdscr_getByElemRef(out nativeEdp, ele.GetNativeElementRef(), modelPtr, 0, IntPtr.Zero))
{
if (0 == BentleyMarshal.mdlMeasure_volumeProperties(out volume, out area, out closureError, out centroid, out moment, out ixy, out ixz, out iyz, out principalMoment, out pricipalDirection, nativeEdp, uor_per_meter / 10000))
{
eleLevelName = levelCache.GetLevel(ele.LevelId).Name;
if (!volumeByLevel.ContainsKey(eleLevelName))
{
volumeByLevel.Add(eleLevelName, 0);
}
volumeByLevel[eleLevelName] += volume / Math.Pow(uor_per_meter, 3);
}
}
//利用DoEvents强制循环队列,防止界面卡死
Bentley.UI.Threading.DispatcherHelper.DoEvents();
}
foreach (var i in volumeByLevel)
{
result.Add(new QuantitiesByLevelResult()
{
LevelName = i.Key, Quantities = Math.Round(i.Value, 2)
});
}
lv_output.ItemsSource = result;
}
public static void TestGetVolum()
{
double volume, area, closureError, ixy, ixz, iyz;
Bentley.GeometryNET.DPoint3d centroid, moment, principalMoment, pricipalDirection;
BD.DgnModel activemodel = Program.GetActiveDgnModel();
double uor_per_master = activemodel.GetModelInfo().UorPerMaster;
foreach (var item in activemodel.GetGraphicElements())
{
IntPtr nativeElePtr = item.GetNativeElementRef();
IntPtr nativeEdp;
IntPtr filePos = IntPtr.Zero;
if (nativeElePtr != null)
{
Marshal.BentleyMarshal.mdlElmdscr_getByElemRef(out nativeEdp, nativeElePtr, activemodel.GetNative(), 0, filePos);
if (0 == Marshal.BentleyMarshal.mdlMeasure_volumeProperties(out volume, out area, out closureError, out centroid, out moment, out ixy, out ixz, out iyz, out principalMoment, out pricipalDirection, nativeEdp, uor_per_master / 10))
{
BD.NotificationManager.OutputMessage(new BD.NotifyMessageDetails(Bentley.DgnPlatformNET.OutputMessagePriority.Information, volume.ToString(), volume.ToString(), BD.NotifyTextAttributes.DynamicScroll, BD.OutputMessageAlert.None));
}
}
}
}