如何解决一些步骤后,gym env.seed() 不再起作用
似乎当我执行 env.seed(x) 时,它以相同的方式开始,但是在某些情节之后它开始产生差异..为什么?即使我添加 np.random.seed(0) 和 env.seed(0)
class Web_view_vehicle extends StatefulWidget {
var choice ;
var name_vehicle;
Web_view_vehicle({ required this.choice,this.name_vehicle}) : super();
@override
_Web_view_vehicleState createState() => _Web_view_vehicleState();
}
class _Web_view_vehicleState extends State<Web_view_vehicle> {
bool downloading = false;
String progressstring = "";
String path = '';
late List data ;
Future<String> get _localPath async {
final directory = await getApplicationDocumentsDirectory();
return directory.path;
}
Future<File> get _localFile async {
final path = await _localPath;
return File('$path/teste.pdf');
}
Future<File> writeCounter(Uint8List stream) async {
final file = await _localFile;
// Write the file
return file.writeAsBytes(stream);
}
Future<Uint8List> fetchPost() async {
dio dio = dio();
var response = await dio.get(widget.choice,onReceiveProgress: (rec,total) {
print("Rec: $rec,Total: $total");
if(!mounted)return;
setState(() {
downloading = true;
progressstring = ((rec / total) * 100).toStringAsFixed(0) + "%";
});
},options: Options(responseType: ResponseType.bytes));
final responseJson = response.data;
if (!mounted) {
}
setState(() {
downloading = false;
progressstring = "Completed";
});
print("Download completed");
return responseJson;
}
loadPdf() async {
writeCounter((await fetchPost()));
path = (await _localFile).path;
if (!mounted) return;
setState(() {});
}
@override
void initState() {
super.initState();
loadPdf();
}
@override
Widget build(BuildContext context) {
Color? bgColor = Colors.grey[300];
return Scaffold(
backgroundColor: bgColor,appBar: AppBar(
leading: Padding(
padding: const EdgeInsets.fromLTRB(5.0,0.0,0.0),child: new IconButton(
icon: new Icon(Icons.arrow_back),onpressed: (){Navigator.pop(context,true);}
),),title: Text('מדריך לרכב ${widget.name_vehicle}',textAlign: TextAlign.center,textDirection: TextDirection.rtl,backgroundColor: Colors.red[400],centerTitle: true,actions: <Widget>[
],body:
(path.length > 5)?
PdfViewer.openFile(path,):
Center(child: Column(crossAxisAlignment: CrossAxisAlignment.center,mainAxisAlignment: MainAxisAlignment.center,mainAxisSize: MainAxisSize.max,children: [
CircularProgressIndicator(),Text('טוען מדריך ${progressstring}',)
],))
);
}
}
解决方法
如果用 env.action_space.sample()
代替 np.random.randint(0,2)
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