static NurbsSurface FromHermiteSurface
(
DB.DoubleArray paramsU, DB.DoubleArray paramsV,
IList <DB.XYZ> points, IList <DB.XYZ> mixedDerivs,
IList <DB.XYZ> tangentsU, IList <DB.XYZ> tangentsV
)
{
var uCount = paramsU.Size;
var vCount = paramsV.Size;
var hermiteSurface = new HermiteSurface(uCount, vCount);
{
for (int u = 0; u < uCount; ++u)
{
hermiteSurface.SetUParameterAt(u, paramsU.get_Item(u));
}
for (int v = 0; v < vCount; ++v)
{
hermiteSurface.SetVParameterAt(v, paramsV.get_Item(v));
}
for (int v = 0; v < vCount; ++v)
{
for (int u = 0; u < uCount; ++u)
{
hermiteSurface.SetPointAt(u, v, AsPoint3d(points[v * uCount + u]));
hermiteSurface.SetTwistAt(u, v, AsVector3d(mixedDerivs[v * uCount + u]));
hermiteSurface.SetUTangentAt(u, v, AsVector3d(tangentsU[v * uCount + u]));
hermiteSurface.SetVTangentAt(u, v, AsVector3d(tangentsV[v * uCount + u]));
}
}
}
return(hermiteSurface.ToNurbsSurface());
}
// 定义获取材质路径的方法
public void ReadAssetProperty(AssetProperty prop, StreamWriter objWriter, List <string> oldPath)
{
switch (prop.Type)
{
// Retrieve the value from simple type property is easy.
// for example, retrieve bool property value.
case AssetPropertyType.Integer:
var AssetPropertyInt = prop as AssetPropertyInteger;
objWriter.WriteLine(AssetPropertyInt.Name + "= " + AssetPropertyInt.Value.ToString() + ";" + AssetPropertyInt.IsReadOnly.ToString());
break;
case AssetPropertyType.Distance:
var AssetPropertyDistance = prop as AssetPropertyDistance;
objWriter.WriteLine(AssetPropertyDistance.Name + "= " + AssetPropertyDistance.Value + ";" + AssetPropertyDistance.IsReadOnly.ToString());
break;
case AssetPropertyType.Double1:
var AssetPropertyDouble = prop as AssetPropertyDouble;
objWriter.WriteLine(AssetPropertyDouble.Name + "= " + AssetPropertyDouble.Value.ToString() + ";" + AssetPropertyDouble.IsReadOnly.ToString());
break;
case AssetPropertyType.Double2:
var AssetPropertyDoubleArray2d = prop as AssetPropertyDoubleArray2d;
objWriter.WriteLine(AssetPropertyDoubleArray2d.Name + "= " + AssetPropertyDoubleArray2d.Value.ToString() + ";" + AssetPropertyDoubleArray2d.IsReadOnly.ToString());
break;
case AssetPropertyType.Double4:
var AssetPropertyDoubleArray4d = prop as AssetPropertyDoubleArray4d;
objWriter.WriteLine(AssetPropertyDoubleArray4d.Name + "= " + AssetPropertyDoubleArray4d.Value.ToString() + ";" + AssetPropertyDoubleArray4d.IsReadOnly.ToString());
break;
case AssetPropertyType.String:
AssetPropertyString val = prop as AssetPropertyString;
objWriter.WriteLine(val.Name + "= " + val.Value + ";" + "str" + val.IsReadOnly.ToString());
if (val.Name == "unifiedbitmap_Bitmap")
{
oldPath.Add(val.Value);
}
break;
case AssetPropertyType.Boolean:
AssetPropertyBoolean boolProp = prop as AssetPropertyBoolean;
objWriter.WriteLine(boolProp.Name + "= " + boolProp.Value.ToString() + ";" + boolProp.IsReadOnly.ToString());
break;
// When you retrieve the value from the data array property,
// you may need to get which value the property stands for.
// for example, the APT_Double44 may be a transform data.
case AssetPropertyType.Double44:
AssetPropertyDoubleArray4d transformProp = prop as AssetPropertyDoubleArray4d;
Autodesk.Revit.DB.DoubleArray tranformValue = transformProp.Value;
objWriter.WriteLine(transformProp.Name + "= " + transformProp.Value.ToString() + ";" + tranformValue.IsReadOnly.ToString());
break;
// The APT_List contains a list of sub asset properties with same type.
case AssetPropertyType.List:
AssetPropertyList propList = prop as AssetPropertyList;
IList <AssetProperty> subProps = propList.GetValue();
if (subProps.Count == 0)
{
break;
}
switch (subProps[0].Type)
{
case AssetPropertyType.Integer:
foreach (AssetProperty subProp in subProps)
{
AssetPropertyInteger intProp = subProp as AssetPropertyInteger;
int intValue = intProp.Value;
objWriter.WriteLine(intProp.Name + "= " + intProp.Value.ToString() + ";" + intProp.IsReadOnly.ToString());
}
break;
case AssetPropertyType.String:
foreach (AssetProperty subProp in subProps)
{
AssetPropertyString intProp = subProp as AssetPropertyString;
string intValue = intProp.Value;
objWriter.WriteLine(intProp.Name + "= " + intProp.Value.ToString() + ";" + intProp.IsReadOnly.ToString());
}
break;
}
break;
case AssetPropertyType.Asset:
Asset propAsset = prop as Asset;
for (int i = 0; i < propAsset.Size; i++)
{
ReadAssetProperty(propAsset[i], objWriter, oldPath);
}
break;
case AssetPropertyType.Reference:
break;
default:
objWriter.WriteLine("居然有啥都不是类型的" + prop.Type.ToString());
break;
}
// Get the connected properties.
// please notice that the information of many texture stores here.
if (prop.NumberOfConnectedProperties == 0)
{
return;
}
foreach (AssetProperty connectedProp in prop.GetAllConnectedProperties())
{
ReadAssetProperty(connectedProp, objWriter, oldPath);
}
}
