diff --git a/CMakeLists.txt b/CMakeLists.txt
index 43884bd..61ef18e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,9 +2,9 @@ cmake_minimum_required(VERSION 3.0)
 cmake_policy(SET CMP0017 NEW) # need include() with .cmake
 project(qad)
 set(qad_MAJOR    2)
-set(qad_MINOR    1)
+set(qad_MINOR    2)
 set(qad_REVISION 0)
-set(qad_SUFFIX   beta)
+set(qad_SUFFIX   )
 set(qad_COMPANY  SHS)
 set(qad_DOMAIN   org.SHS)
 
diff --git a/libs/graphic/graphic.cpp b/libs/graphic/graphic.cpp
index c18e689..5635d32 100644
--- a/libs/graphic/graphic.cpp
+++ b/libs/graphic/graphic.cpp
@@ -1178,7 +1178,7 @@ QPair<QString, QString> Graphic::gridMark(double v) const {
 		ret.first = QString::fromUtf8("%1·10").arg(v);
 		ret.second = QString::number(p);
 	} else
-		ret.first = QString::number(v);
+		ret.first = QString::number(v, 'g', 8);
 	return ret;
 }
 
diff --git a/libs/utils/chunkstream.h b/libs/utils/chunkstream.h
index 0572e9f..b7b850b 100644
--- a/libs/utils/chunkstream.h
+++ b/libs/utils/chunkstream.h
@@ -23,6 +23,7 @@
 #include <QDataStream>
 #include <QBuffer>
 #include <QByteArray>
+#include <QDebug>
 #include <QMap>
 #include "qad_utils_export.h"
 
@@ -64,22 +65,55 @@ public:
 	bool atEnd() const {return stream_.atEnd();}
 	Version version() const {return (Version)version_;}
 
+
+
 	int read();
 	void readAll();
 	int getID() {return last_id;}
-	template <typename T>
-	T getData() const {T ret; QDataStream s(last_data); s.setVersion(QDataStream::Qt_4_8); s >> ret; return ret;}
+
 	template <typename T>
 	void get(T & v) const {v = getData<T>();}
-	template <typename T>
-	const ChunkStream & get(int id, T & v) const {
+
+	template <typename T> typename std::enable_if<!std::is_enum<T>::value, T>::type
+	getData() const {
+		QDataStream s(last_data);
+		s.setVersion(QDataStream::Qt_4_8);
+		T ret;
+		s >> ret;
+		return ret;
+	}
+	template <typename T> typename std::enable_if<std::is_enum<T>::value, T>::type
+	getData() const {
+		QDataStream s(last_data);
+		s.setVersion(QDataStream::Qt_4_8);
+		typename std::underlying_type<T>::type ret;
+		s >> ret;
+		return (T)ret;
+	}
+
+	template <typename T> typename std::enable_if<!std::is_enum<T>::value, const ChunkStream &>::type
+	get(int id, T & v) const {
 		QByteArray ba = data_map.value(id);
 		if (!ba.isEmpty()) {
-			QDataStream s(ba); s.setVersion(QDataStream::Qt_4_8);
+			QDataStream s(ba);
+			s.setVersion(QDataStream::Qt_4_8);
 			s >> v;
 		}
 		return *this;
 	}
+	template <typename T> typename std::enable_if<std::is_enum<T>::value, const ChunkStream &>::type
+	get(int id, T & v) const {
+		QByteArray ba = data_map.value(id);
+		if (!ba.isEmpty()) {
+			QDataStream s(ba);
+			s.setVersion(QDataStream::Qt_4_8);
+			typename std::underlying_type<T>::type iv;
+			s >> iv;
+			v = (T)iv;
+		}
+		return *this;
+	}
+
 private:
 	void _init();
 
@@ -97,12 +131,37 @@ private:
 	template <typename T> friend ChunkStream & operator <<(ChunkStream & s, const ChunkStream::ChunkConst<T> & c);
 };
 
-template <typename T>
-ChunkStream & operator <<(ChunkStream & s, const ChunkStream::Chunk<T> & c) {
-	QByteArray ba;
+template <typename T> typename std::enable_if<!std::is_enum<T>::value, void>::type
+__writeChunkData(QByteArray & ba, const ChunkStream::Chunk<T> & c) {
 	QDataStream bas(&ba, QIODevice::WriteOnly);
 	bas.setVersion(QDataStream::Qt_4_8);
 	bas << c.data;
+}
+template <typename T> typename std::enable_if<std::is_enum<T>::value, void>::type
+__writeChunkData(QByteArray & ba, const ChunkStream::Chunk<T> & c) {
+	QDataStream bas(&ba, QIODevice::WriteOnly);
+	bas.setVersion(QDataStream::Qt_4_8);
+	typename std::underlying_type<T>::type iv = c.data;
+	bas << iv;
+}
+template <typename T> typename std::enable_if<!std::is_enum<T>::value, void>::type
+__writeChunkConstData(QByteArray & ba, const ChunkStream::ChunkConst<T> & c) {
+	QDataStream bas(&ba, QIODevice::WriteOnly);
+	bas.setVersion(QDataStream::Qt_4_8);
+	bas << c.data;
+}
+template <typename T> typename std::enable_if<std::is_enum<T>::value, void>::type
+__writeChunkConstData(QByteArray & ba, const ChunkStream::ChunkConst<T> & c) {
+	QDataStream bas(&ba, QIODevice::WriteOnly);
+	bas.setVersion(QDataStream::Qt_4_8);
+	typename std::underlying_type<T>::type iv = c.data;
+	bas << iv;
+}
+
+template <typename T>
+ChunkStream & operator <<(ChunkStream & s, const ChunkStream::Chunk<T> & c) {
+	QByteArray ba;
+	__writeChunkData(ba, c);
 	switch (s.version_) {
 	case ChunkStream::Version_1:
 		s.stream_ << c.id << ba;
@@ -118,12 +177,11 @@ ChunkStream & operator <<(ChunkStream & s, const ChunkStream::Chunk<T> & c) {
 	}
 	return s;
 }
+
 template <typename T>
 ChunkStream & operator <<(ChunkStream & s, const ChunkStream::ChunkConst<T> & c) {
 	QByteArray ba;
-	QDataStream bas(&ba, QIODevice::WriteOnly);
-	bas.setVersion(QDataStream::Qt_4_8);
-	bas << c.data;
+	__writeChunkConstData(ba, c);
 	switch (s.version_) {
 	case ChunkStream::Version_1:
 		s.stream_ << c.id << ba;