diff --git a/main.cpp b/main.cpp
index 0980d26a..08cd414a 100644
--- a/main.cpp
+++ b/main.cpp
@@ -84,7 +84,7 @@ public:
 };
 
 
-#include "piframe.h"
+#include "pivector2d.h"
 int main(int argc, char *argv[]) {
 	/*
 	enum VCO_Aim_Type {VCO_Aim_Type_None, VCO_Aim_Type_Detected, VCO_Aim_Type_New, VCO_Aim_Type_Confirmed, VCO_Aim_Type_Deleted = 127};
@@ -151,10 +151,10 @@ int main(int argc, char *argv[]) {
 		for (int j = 0; j < 20; ++j)
 			in[i] << j+i*100;
 //	piCout << in.size() << in[0].size();
-	PIFrame<double> f0;
-	PIFrame<double> f1(30, 40);
+	PIVector2D<double> f0;
+	PIVector2D<double> f1(30, 40);
 	//in.resize(1);
-	PIFrame<double> f2(in);
+	PIVector2D<double> f2(in);
 	f0 = f2;
 //	piCout << f0;
 //	piCout << f1;
@@ -165,7 +165,7 @@ int main(int argc, char *argv[]) {
 	piCout << f2.toVectors();
 	PIVector<double> t = f2.toPlainVector();
 	piCout << t;
-	piCout << PIFrame<double>(f2.rows(), f2.cols(), t);
+	piCout << PIVector2D<double>(f2.rows(), f2.cols(), t);
 	return 0;
 //	PIFFTWf fft;
 //	fft.preparePlan(50, PIFFTWf::foReal);
diff --git a/src_main/containers/picontainersmodule.h b/src_main/containers/picontainersmodule.h
index c9eefc48..f4d25401 100644
--- a/src_main/containers/picontainersmodule.h
+++ b/src_main/containers/picontainersmodule.h
@@ -27,5 +27,6 @@
 #include "piset.h"
 #include "pilist.h"
 #include "pistack.h"
+#include "pivector2d.h"
 
 #endif // PICONTAINERSMODULE_H
diff --git a/src_main/containers/piframe.h b/src_main/containers/piframe.h
deleted file mode 100644
index 34991a0e..00000000
--- a/src_main/containers/piframe.h
+++ /dev/null
@@ -1,97 +0,0 @@
-#ifndef PIFRAME_H
-#define PIFRAME_H
-#include "pivector.h"
-
-template <typename T>
-class PIFrame {
-public:
-	inline PIFrame() {rows_ = cols_ = 0;}
-	inline PIFrame(size_t rows, size_t cols, const T & f = T()) {
-		rows_ = rows;
-		cols_ = cols;
-		mat.resize(rows*cols, f);
-	}
-	inline PIFrame(size_t rows, size_t cols, const PIVector<T> & v) {
-		mat = v;
-		rows_ = rows;
-		cols_ = cols;
-		mat.resize(rows*cols);
-	}
-	inline PIFrame(const PIVector<PIVector<T> > & v) {
-		rows_ = v.size();
-		if (rows_) {
-			cols_ = v[0].size();
-			for (size_t i = 0; i < rows_; i++) {
-				mat.append(v[i]);
-			}
-			mat.resize(rows_*cols_);
-		}
-		if (mat.isEmpty()) rows_ = cols_ = 0;
-	}
-
-	inline size_t rows() const {return rows_;}
-	inline size_t cols() const {return cols_;}
-	inline size_t size_all() const {return mat.size();}
-	inline ssize_t size_s_all() const {return mat.size_s();}
-	inline bool isEmpty() const {return mat.isEmpty();}
-
-	class PIFrameRow {
-		friend class PIFrame<T>;
-	private:
-		inline PIFrameRow(PIFrame<T> * p, size_t row) : p_(p) {st_ = p_->cols_ * row;}
-		PIFrame<T> * p_;
-		size_t st_;
-	public:
-		inline size_t size() const {return p_->cols_;}
-		inline T & operator [](size_t index) {return p_->mat[st_ + index];}
-		inline const T & operator [](size_t index) const {return p_->mat[st_ + index];}
-	};
-
-	class PIFrameRowConst {
-		friend class PIFrame<T>;
-	private:
-		inline PIFrameRowConst(const PIFrame<T> * p, size_t row) : p_(p) {st_ = p_->cols_ * row;}
-		const PIFrame<T> * p_;
-		size_t st_;
-	public:
-		inline size_t size() const {return p_->cols_;}
-		inline const T & operator [](size_t index) const {return p_->mat[st_ + index];}
-	};
-
-
-	inline PIFrameRow operator[](size_t index) {return PIFrameRow(this, index);}
-	inline PIFrameRowConst operator[](size_t index) const {return PIFrameRowConst(this, index);}
-
-	PIVector<PIVector<T> > toVectors() const {
-		PIVector<PIVector<T> > ret;
-		for(size_t i = 0; i < rows_; ++i)
-			ret << PIVector<T>(mat.data(i*cols_), cols_);
-		return ret;
-	}
-	PIVector<T> toPlainVector() const {return mat;}
-
-private:
-	size_t rows_, cols_;
-	PIVector<T> mat;
-};
-
-template<typename T>
-inline PICout operator <<(PICout s, const PIFrame<T> & v) {
-	s.setControl(0, true);
-	s << "{";
-	for (size_t i = 0; i < v.rows(); ++i) {
-		s << "{ ";
-		for (size_t j = 0; j < v.cols(); ++j) {
-			s << v[i][j];
-			if (j < v.cols() - 1) s << ", ";
-		}
-		s << " }";
-		if (i < v.rows() - 1) s << PICoutManipulators::NewLine ;
-	}
-	if (v.isEmpty()) s << "{ }";
-	s << "}";
-	s.restoreControl();
-	return s;
-}
-
-#endif // PIFRAME_H
diff --git a/src_main/containers/pivector2d.h b/src_main/containers/pivector2d.h
new file mode 100644
index 00000000..59b09f6f
--- /dev/null
+++ b/src_main/containers/pivector2d.h
@@ -0,0 +1,125 @@
+/*! \file pivecto2Dr.h
+ * \brief 2D wrapper around PIVector
+ *
+ * This file declares PIVector
+*/
+/*
+	PIP - Platform Independent Primitives
+	2D wrapper around PIVector
+	Copyright (C) 2017  Andrey Bychkov work.a.b@yandex.ru
+
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef PIVECTOR2D_H
+#define PIVECTOR2D_H
+
+#include "pivector.h"
+
+
+template <typename T>
+class PIVector2D {
+public:
+	inline PIVector2D() {rows_ = cols_ = 0;}
+	inline PIVector2D(size_t rows, size_t cols, const T & f = T()) {
+		rows_ = rows;
+		cols_ = cols;
+		mat.resize(rows*cols, f);
+	}
+	inline PIVector2D(size_t rows, size_t cols, const PIVector<T> & v) {
+		mat = v;
+		rows_ = rows;
+		cols_ = cols;
+		mat.resize(rows*cols);
+	}
+	inline PIVector2D(const PIVector<PIVector<T> > & v) {
+		rows_ = v.size();
+		if (rows_) {
+			cols_ = v[0].size();
+			for (size_t i = 0; i < rows_; i++) {
+				mat.append(v[i]);
+			}
+			mat.resize(rows_*cols_);
+		}
+		if (mat.isEmpty()) rows_ = cols_ = 0;
+	}
+
+	inline size_t rows() const {return rows_;}
+	inline size_t cols() const {return cols_;}
+	inline size_t size_all() const {return mat.size();}
+	inline ssize_t size_s_all() const {return mat.size_s();}
+	inline bool isEmpty() const {return mat.isEmpty();}
+
+	class Row {
+		friend class PIVector2D<T>;
+	private:
+		inline Row(PIVector2D<T> * p, size_t row) : p_(p) {st_ = p_->cols_ * row;}
+		PIVector2D<T> * p_;
+		size_t st_;
+	public:
+		inline size_t size() const {return p_->cols_;}
+		inline T & operator [](size_t index) {return p_->mat[st_ + index];}
+		inline const T & operator [](size_t index) const {return p_->mat[st_ + index];}
+	};
+
+	class RowConst {
+		friend class PIVector2D<T>;
+	private:
+		inline RowConst(const PIVector2D<T> * p, size_t row) : p_(p) {st_ = p_->cols_ * row;}
+		const PIVector2D<T> * p_;
+		size_t st_;
+	public:
+		inline size_t size() const {return p_->cols_;}
+		inline const T & operator [](size_t index) const {return p_->mat[st_ + index];}
+	};
+
+
+	inline Row operator[](size_t index) {return Row(this, index);}
+	inline RowConst operator[](size_t index) const {return RowConst(this, index);}
+
+	PIVector<PIVector<T> > toVectors() const {
+		PIVector<PIVector<T> > ret;
+		for(size_t i = 0; i < rows_; ++i)
+			ret << PIVector<T>(mat.data(i*cols_), cols_);
+		return ret;
+	}
+	PIVector<T> toPlainVector() const {return mat;}
+
+private:
+	size_t rows_, cols_;
+	PIVector<T> mat;
+
+};
+
+
+template<typename T>
+inline PICout operator <<(PICout s, const PIVector2D<T> & v) {
+	s.setControl(0, true);
+	s << "{";
+	for (size_t i = 0; i < v.rows(); ++i) {
+		s << "{ ";
+		for (size_t j = 0; j < v.cols(); ++j) {
+			s << v[i][j];
+			if (j < v.cols() - 1) s << ", ";
+		}
+		s << " }";
+		if (i < v.rows() - 1) s << PICoutManipulators::NewLine ;
+	}
+	if (v.isEmpty()) s << "{ }";
+	s << "}";
+	s.restoreControl();
+	return s;
+}
+
+#endif // PIVECTOR2D_H
diff --git a/src_main/io/pisharedmemory.cpp b/src_main/io/pisharedmemory.cpp
index ca3a4550..d867954a 100644
--- a/src_main/io/pisharedmemory.cpp
+++ b/src_main/io/pisharedmemory.cpp
@@ -180,8 +180,8 @@ void PISharedMemory::configureFromFullPathDevice(const PIString & full_path) {
 	for (int i = 0; i < pl.size_s(); ++i) {
 		PIString p(pl[i]);
 		switch (i) {
-			case 0: setPath(p); break;
-			case 1: dsize = p.toInt(); break;
+		case 0: setPath(p); break;
+		case 1: dsize = p.toInt(); break;
 		}
 	}
 }
diff --git a/src_main/system/piprocess.cpp b/src_main/system/piprocess.cpp
index 785074d7..b602025b 100755
--- a/src_main/system/piprocess.cpp
+++ b/src_main/system/piprocess.cpp
@@ -34,7 +34,7 @@ PRIVATE_DEFINITION_START(PIProcess)
 #else
 	pid_t pid;
 #endif
-FILE * tf_in, * tf_out, * tf_err;
+	FILE * tf_in, * tf_out, * tf_err;
 PRIVATE_DEFINITION_END(PIProcess)
 
 
diff --git a/src_main/system/piprocess.h b/src_main/system/piprocess.h
index abe6b989..12cdcfa8 100755
--- a/src_main/system/piprocess.h
+++ b/src_main/system/piprocess.h
@@ -91,12 +91,12 @@ private:
 	void exec_();
 	void startProc(bool detached);
 
+	PRIVATE_DECLARATION
 	PIStringList args, env;
 	PIString wd;
 	PIByteArray out;
 	PIFile f_in, f_out, f_err;
 	bool g_in, g_out, g_err, t_in, t_out, t_err;
-	PRIVATE_DECLARATION
 	int exit_code, sz;
 	bool is_exec;