diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9da3425..c0170b3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,6 +5,12 @@ set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -std=c++11 -g -O0 -Wall -Wex
 set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -std=c++11 -O3 -Wall -Wextra")
 #string(COMPARE EQUAL CMAKE_BINARY_DIR CMAKE_SOURCE_DIR IN_SOURCE_BUILD)
 
+find_library(Boost 1.21.0 REQUIRED)
+
+include_directories(SYSTEM
+	${Boost_INCLUDE_DIRECTORIES}
+)
+
 include_directories(
 	src/
 	include/
@@ -13,4 +19,5 @@ include_directories(
 add_executable(${PROJECT_NAME}
 	src/main.cpp
 	src/doorkeeper.cpp
+	src/test/test_tiler.cpp
 )
diff --git a/include/components/tileiterator.hpp b/include/components/tileiterator.hpp
new file mode 100644
index 0000000..1f0a35f
--- /dev/null
+++ b/include/components/tileiterator.hpp
@@ -0,0 +1,40 @@
+#ifndef id873715F57B504CCF8227CE03EA28CAFA
+#define id873715F57B504CCF8227CE03EA28CAFA
+
+#include <boost/iterator/iterator_facade.hpp>
+#include <iterator>
+#include "primitivetypes.hpp"
+
+namespace dk {
+	template <typename T, size_t D>
+	class TileIterator : public boost::iterator_facade<TileIterator<T, D>, T, boost::biderectional_traversal_tag> {
+		friend class boost::iterator_core_access;
+	public:
+		typedef Vector<CoordinateScalarType, D> coords;
+
+		TileIterator ( void );
+		TileIterator ( const TileIterator& parOther ) = default;
+		TileIterator ( const coords& parFrom, const coords& parTo );
+		TileIterator ( const coords& parFrom, const coords& parTo, const coords& parAreaFrom, const coords& parAreaTo, const coords& parTotal );
+		~TileIterator ( void ) = default;
+
+	private:
+		void increment ( void );
+		void decrement ( void );
+		void advance ( size_t parAdvance );
+		ptrdiff_t distance_to ( const MeshSelectionIterator& parOther );
+		bool equal ( const MeshSelectionIterator& parOther ) const;
+		T& dereference ( void ) const;
+
+		coords m_pos;
+		coords m_from;
+		coords m_to;
+		coords m_areafrom;
+		coords m_areato;
+		coords m_total;
+	};
+} //namespace dk
+
+#include "implem/tileiterator.inl"
+
+#endif
diff --git a/include/components/tilestreamer.hpp b/include/components/tilestreamer.hpp
new file mode 100644
index 0000000..1d7ea02
--- /dev/null
+++ b/include/components/tilestreamer.hpp
@@ -0,0 +1,33 @@
+#ifndef id9B1C02049E474F6997D367932C4C2D21
+#define id9B1C02049E474F6997D367932C4C2D21
+
+#include "primitivetypes.hpp"
+#include <iostream>
+#include <vector>
+#include <algorithm>
+#include <memory>
+
+namespace dk {
+	template <typename T, size_t D>
+	class TileStreamer {
+	public:
+		typedef Vector<CoordinateScalarType, D> coords;
+		typedef std::unique_ptr<std::istream> StreamPtr;
+
+		explicit TileStreamer ( StreamPtr&& parStream );
+		TileStreamer ( const TileStreamer& ) = delete;
+		TileStreamer ( TileStreamer&& ) = default;
+		~TileStreamer ( void ) noexcept = default;
+
+		TileStreamer& operator= ( const TileStreamer& ) = delete;
+
+		void copy ( std::vector<T>& parDest, const coords& parFrom, const coords& parTo );
+
+	private:
+		StreamPtr m_stream;
+	};
+} //namespace dk
+
+#include "implem/tilestreamer.inl"
+
+#endif
diff --git a/include/components/tyler.hpp b/include/components/tyler.hpp
index fb683df..3856d8e 100644
--- a/include/components/tyler.hpp
+++ b/include/components/tyler.hpp
@@ -1,25 +1,38 @@
 #ifndef id6FB3FC97331449038D42AAAB4C01ABA1
 #define id6FB3FC97331449038D42AAAB4C01ABA1
 
-#include "implem/coords.hpp"
+#include "primitivetypes.hpp"
+#include "components/tilestreamer.hpp"
 #include <vector>
+#include <cassert>
+#include <ciso646>
 
 namespace dk {
+	template <size_t D>
 	class Viewport;
 
-	template <typename T>
+	template <typename T, size_t D, typename S=TileStreamer<T, D> >
 	class Tyler {
 	public:
-		Tyler ( const coords& parCoords );
+		typedef S streamer_type;
+		typedef Vector<CoordinateScalarType, D> coords;
+
+		Tyler ( void ) = delete;
+		Tyler ( const coords& parSize, streamer_type&& );
 		virtual ~Tyler ( void ) noexcept = default;
 
-		virtual bool batch_load ( const coords& parFrom, const coords& parTo );
-		virtual bool single_load ( const coords& parCoords );
+		virtual bool batch_load ( const std::vector<T>& parLoad ) = 0;
+		virtual bool single_load ( const T& parLoad ) = 0;
+
+		size_t tiles_count ( void ) const { return m_tiles.size(); }
 
 	private:
 		const coords m_size;
 		std::vector<T> m_tiles;
+		streamer_type m_streamer;
 	};
 } //namespace dk
 
+#include "implem/tyler.inl"
+
 #endif
diff --git a/include/components/viewport.hpp b/include/components/viewport.hpp
index 2cdf86b..793fb4c 100644
--- a/include/components/viewport.hpp
+++ b/include/components/viewport.hpp
@@ -1,11 +1,14 @@
 #ifndef id0ADBCC15BA574485BF3267254090D99B
 #define id0ADBCC15BA574485BF3267254090D99B
 
-#include "implem/coords.hpp"
+#include "primitivetypes.hpp"
 
 namespace dk {
+	template <size_t D>
 	class Viewport {
 	public:
+		typedef Vector<CoordinateScalarType, D> coords;
+
 		explicit Viewport ( const coords& parSize );
 		Viewport ( const coords& parSize, const coords& parPos );
 		~Viewport ( void ) noexcept = default;
diff --git a/include/doorkeeper.hpp b/include/doorkeeper.hpp
index 6d6d13b..96a24bb 100644
--- a/include/doorkeeper.hpp
+++ b/include/doorkeeper.hpp
@@ -1,6 +1,7 @@
 #ifndef id5A4C05FA7D264B65B7B7D14A0792E3A2
 #define id5A4C05FA7D264B65B7B7D14A0792E3A2
 
+#include "primitivetypes.hpp"
 #include "components/tyler.hpp"
 #include "components/viewport.hpp"
 
diff --git a/include/implem/configuration.h b/include/implem/configuration.h
new file mode 100644
index 0000000..5768e6d
--- /dev/null
+++ b/include/implem/configuration.h
@@ -0,0 +1,24 @@
+#ifndef id2E81C803F1B94170B2C61A63D5020E08
+#define id2E81C803F1B94170B2C61A63D5020E08
+
+#if !defined(DK_COORD_SCALAR_TYPE)
+#	define DK_COORD_SCALAR_TYPE int
+#endif
+
+#if defined(__cplusplus)
+#	define MAKE_DK_NAME(a) a
+namespace dk {
+#else
+#	define MAKE_DK_NAME(a) dk_ ## a
+#endif
+
+typedef DK_COORD_SCALAR_TYPE MAKE_DK_NAME(CoordinateScalarType);
+
+#if defined(__cplusplus)
+} //namespace dk
+#endif
+
+#undef DK_COORD_SCALAR_TYPE
+#undef MAKE_DK_NAME
+
+#endif
diff --git a/include/implem/coords.hpp b/include/implem/coords.hpp
deleted file mode 100644
index 7cc057d..0000000
--- a/include/implem/coords.hpp
+++ /dev/null
@@ -1,12 +0,0 @@
-#ifndef id305A77366E3B4D3C84CC345C93A7C38B
-#define id305A77366E3B4D3C84CC345C93A7C38B
-
-#include "implem/vector.hpp"
-
-namespace dk {
-	typedef int coord_type;
-	typedef cloonel::Vector<coord_type, 2> coords;
-	typedef cloonel::Vector<int, 2> int2;
-} //namespace dk
-
-#endif
diff --git a/include/implem/tileiterator.inl b/include/implem/tileiterator.inl
new file mode 100644
index 0000000..5c70b19
--- /dev/null
+++ b/include/implem/tileiterator.inl
@@ -0,0 +1,46 @@
+namespace dk {
+	template <typename T, size_t D>
+	TileIterator<T, D>::TileIterator() :
+		m_pos(CoordinateScalarType()),
+		m_from(CoordinateScalarType()),
+		m_to(CoordinateScalarType()),
+		m_areafrom(CoordinateScalarType()),
+		m_areato(CoordinateScalarType()),
+		m_total(CoordinateScalarType())
+	{
+	}
+
+	template <typename T, size_t D>
+	TileIterator<T, D>::TileIterator (const coords& parFrom, const coords& parTo) :
+		m_pos(parFrom),
+		m_from(parFrom),
+		m_to(parTo),
+		m_areafrom(parFrom),
+		m_areato(parTo),
+		m_total(parTo - parFrom)
+	{
+	}
+
+	template <typename T, size_t D>
+	TileIterator<T, D>::TileIterator (const coords& parFrom, const coords& parTo, const coords& parAreaFrom, const coords& parAreaTo, const coords& parTotal) :
+		m_pos(parFrom),
+		m_from(parFrom),
+		m_to(parTo),
+		m_areafrom(parAreaFrom),
+		m_areato(parAreaTo),
+		m_total(parTotal)
+	{
+	}
+
+	template <typename T, size_t D>
+	void TileIterator<T, D>::increment() {
+		for (size_t d = 0; d < D - 1; ++d) {
+			++m_pos[d];
+			if (m_pos[d] >= m_areato[d])
+				m_pos[d] = m_areafrom[d];
+			else
+				return;
+		}
+		++m_pos[D - 1];
+	}
+} //namespace dk
diff --git a/include/implem/tilestreamer.inl b/include/implem/tilestreamer.inl
new file mode 100644
index 0000000..c68e80b
--- /dev/null
+++ b/include/implem/tilestreamer.inl
@@ -0,0 +1,7 @@
+namespace dk {
+	template <typename T, size_t D>
+	TileStreamer<T, D>::TileStreamer (StreamPtr&& parStream) :
+		m_stream(std::move(parStream))
+	{
+	}
+} //namespace dk
diff --git a/include/implem/tyler.inl b/include/implem/tyler.inl
new file mode 100644
index 0000000..ccc622d
--- /dev/null
+++ b/include/implem/tyler.inl
@@ -0,0 +1,12 @@
+namespace dk {
+	///------------------------------------------------------------------------
+	///------------------------------------------------------------------------
+	template <typename T, size_t D, typename S>
+	Tyler<T, D, S>::Tyler (const coords& parSize, streamer_type&& parStream) :
+		m_size(parSize),
+		m_tiles(parSize.x() * parSize.y()),
+		m_streamer(std::move(parStream))
+	{
+		assert(m_size.x() > 0 and m_size.y() > 0);
+	}
+} //namespace dk
diff --git a/include/primitivetypes.hpp b/include/primitivetypes.hpp
new file mode 100644
index 0000000..42121d0
--- /dev/null
+++ b/include/primitivetypes.hpp
@@ -0,0 +1,11 @@
+#ifndef id583F11FE0934446E9135B4ADCFA1E4F9
+#define id583F11FE0934446E9135B4ADCFA1E4F9
+
+#include "implem/configuration.h"
+#include "implem/vector.hpp"
+
+namespace dk {
+	using cloonel::Vector;
+} //namespace dk
+
+#endif
diff --git a/src/main.cpp b/src/main.cpp
index c660073..1ea6ce1 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,6 +1,9 @@
 #include <iostream>
-#include "doorkeeper.hpp"
+#include "test/test_tiler.hpp"
 
 int main() {
+	TestTiler simpleMap(TestTiler::coords(200, 150), "test.map");
+
+	std::cout << "Total tiles: " << simpleMap.tiles_count() << "\n";
 	return 0;
 }
diff --git a/src/test/test_tiler.cpp b/src/test/test_tiler.cpp
new file mode 100644
index 0000000..2208c23
--- /dev/null
+++ b/src/test/test_tiler.cpp
@@ -0,0 +1,26 @@
+#include <iostream>
+#include <fstream>
+#include "test/test_tiler.hpp"
+
+typedef dk::TileStreamer<int, 2> TileStreamerType;
+
+///----------------------------------------------------------------------------
+///----------------------------------------------------------------------------
+TestTiler::TestTiler (const coords& parSize, const std::string&& parPath) :
+	parent_type(parSize, TileStreamerType(TileStreamerType::StreamPtr(new std::ifstream(parPath))))
+{
+}
+
+///----------------------------------------------------------------------------
+///----------------------------------------------------------------------------
+bool TestTiler::batch_load (const std::vector<int>& parLoad) {
+	std::cout << "Would batch-load " << parLoad.size() << " elements\n";
+	return true;
+}
+
+///----------------------------------------------------------------------------
+///----------------------------------------------------------------------------
+bool TestTiler::single_load (const int&) {
+	std::cout << "Would load 1 element\n";
+	return true;
+}
diff --git a/src/test/test_tiler.hpp b/src/test/test_tiler.hpp
new file mode 100644
index 0000000..6030dd4
--- /dev/null
+++ b/src/test/test_tiler.hpp
@@ -0,0 +1,19 @@
+#ifndef idDD0A66B75FF546FCAF01C65E980DF224
+#define idDD0A66B75FF546FCAF01C65E980DF224
+
+#include "doorkeeper.hpp"
+
+class TestTiler : public dk::Tyler<int, 2> {
+	typedef dk::Tyler<int, 2> parent_type;
+public:
+	typedef parent_type::coords coords;
+
+	TestTiler ( const coords& parSize, const std::string&& parPath );
+
+	virtual ~TestTiler ( void ) noexcept = default;
+
+	virtual bool batch_load ( const std::vector<int>& parLoad );
+	virtual bool single_load ( const int& parLoad );
+};
+
+#endif