void SetTransform()
{
int count = Count;
pCamera.Transform = StaticExtensionWpfInterface.StandardTransform;
cameraPositon.SetTransform(pCamera.Transform as MatrixTransform3D);
for (int i = 0; i < count; i++)
{
IPosition p = this[i];
Visual3D vis = dict[p];
if (vis != null)
{
vis.SetStandardTransform();
}
}
}