private static Result OnFindCommand(UIDocument ui_doc,
FS_FEATURE_TYPE feature_type, string command_name, string shape_name,
Action <Document, FS_FEATURE_RESULT?> post_action)
{
uint index;
XYZ ray_origin = XYZ.Zero, ray_direction = XYZ.Zero;
try
{
GenerateRay(ui_doc, out ray_origin, out ray_direction);
}
catch (Autodesk.Revit.Exceptions.OperationCanceledException) { return(Result.Cancelled); }
// cast ray to point cloud and get an index of the point hit.
if (OutlierPointCloudEngine.Cast(ray_origin, ray_direction, 0.01f, out index) == false)
{
TaskDialog.Show(command_name, "There is no points picked.");
return(Result.Failed);
}
// run FindSurface to find shape
FS_FEATURE_RESULT?result = FindSurface.RunFindSurface(feature_type, index);
if (result == null)
{
TaskDialog.Show(command_name, $"FindSurface failed to find a {shape_name}.");
return(Result.Failed);
}
post_action(ui_doc.Document, result);
return(Result.Succeeded);
}
private static extern int findSurface(IntPtr context, FS_FEATURE_TYPE type, uint start_index, ref _FS_FEATURE_RESULT result);
public FS_FEATURE_RESULT?RunFindSurface(FS_FEATURE_TYPE type, uint start_index)
{
_FS_FEATURE_RESULT _tmp = new _FS_FEATURE_RESULT();
return((findSurface(context, type, start_index, ref _tmp) == 0) ? _GetResult(_tmp) : null);
}
