dynamic_cast<Layer_PasteCanvas*>(new_layer.get())->set_muck_with_time(false);
Layer::ParamList param_list(paste_canvas->get_param_list());
//param_list.erase("canvas");
dynamic_cast<Layer_PasteCanvas*>(new_layer.get())->set_muck_with_time(false);
Layer::ParamList param_list(paste_canvas->get_param_list());
//param_list.erase("canvas");