[Refactoring]

Divide FeatureBuilder in:
- FeatureBuilderGeom (store geometry as-as)
- FeatureBuilderGeomRef (store geometry separately)
Add FeatureGeomRef as feature with separate geometry.

15 files changed, 555 insertions, 169 deletions

diff --git a/indexer/covering.cpp b/indexer/covering.cpp
index d5c8ab1246..afe5da69d1 100644
--- a/indexer/covering.cpp
+++ b/indexer/covering.cpp
@@ -68,10 +68,10 @@ namespace
   };
 }
 
-vector<int64_t> covering::CoverFeature(FeatureGeom const & feature)
+vector<int64_t> covering::CoverFeature(FeatureGeom const & feature, int level)
 {
   vector<CoordPointT> geometry;
-  feature.ForEachPoint(MakeBackInsertFunctor(geometry));
+  feature.ForEachPoint(MakeBackInsertFunctor(geometry), level);
 
   ASSERT(!geometry.empty(), ());
   if (geometry.empty())
@@ -87,7 +87,7 @@ vector<int64_t> covering::CoverFeature(FeatureGeom const & feature)
   typedef covering::Covering<RectId> CoveringType;
   typedef TriangleCoverer<MercatorBounds, CoveringType> CovererType;
   CovererType coverer = CovererType(CoveringType(ids));
-  feature.ForEachTriangleRef(coverer);
+  feature.ForEachTriangleRef(coverer, level);
   vector<int64_t> res;
   coverer.GetCovering().OutputToVector(res);
   return res;
diff --git a/indexer/covering.hpp b/indexer/covering.hpp
index 5decac86b6..9cc0b5a781 100644
--- a/indexer/covering.hpp
+++ b/indexer/covering.hpp
@@ -12,7 +12,7 @@ class FeatureGeom;
 namespace covering
 {
   // Cover feature with RectIds and return their integer representations.
-  vector<int64_t> CoverFeature(FeatureGeom const & feature);
+  vector<int64_t> CoverFeature(FeatureGeom const & feature, int level);
   // Cover viewport with RectIds and append their RectIds as well.
   vector<pair<int64_t, int64_t> > CoverViewportAndAppendLowerLevels(m2::RectD const & rect);
   // Given a vector of intervals [a, b), sort them and merge overlapping intervals.
diff --git a/indexer/feature.cpp b/indexer/feature.cpp
index f7263042b9..5bd0a40aa2 100644
--- a/indexer/feature.cpp
+++ b/indexer/feature.cpp
@@ -1,7 +1,11 @@
 #include "feature.hpp"
 #include "cell_id.hpp"
+#include "feature_visibility.hpp"
+#include "scales.hpp"
 
 #include "../geometry/rect2d.hpp"
+#include "../geometry/distance.hpp"
+#include "../geometry/simplification.hpp"
 
 #include "../coding/byte_stream.hpp"
 #include "../coding/reader.hpp"
@@ -31,25 +35,25 @@ namespace pts
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
-// FeatureBuilder implementation
+// FeatureBuilderGeom implementation
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
-FeatureBuilder::FeatureBuilder() : m_Layer(0)
+FeatureBuilderGeom::FeatureBuilderGeom() : m_Layer(0)
 {
 }
 
-bool FeatureBuilder::IsGeometryClosed() const
+bool FeatureBuilderGeom::IsGeometryClosed() const
 {
   return !m_Geometry.empty() && m_Geometry.front() == m_Geometry.back();
 }
 
-void FeatureBuilder::AddPoint(m2::PointD const & p)
+void FeatureBuilderGeom::AddPoint(m2::PointD const & p)
 {
   m_Geometry.push_back(p);
   m_LimitRect.Add(p);
 }
 
-void FeatureBuilder::AddTriangle(m2::PointD const & a, m2::PointD const & b, m2::PointD const & c)
+void FeatureBuilderGeom::AddTriangle(m2::PointD const & a, m2::PointD const & b, m2::PointD const & c)
 {
   pts::Fpt2id fn;
   m_Triangles.push_back(fn(a));
@@ -57,13 +61,13 @@ void FeatureBuilder::AddTriangle(m2::PointD const & a, m2::PointD const & b, m2:
   m_Triangles.push_back(fn(c));
 }
 
-void FeatureBuilder::AddName(string const & name)
+void FeatureBuilderGeom::AddName(string const & name)
 {
   CHECK_EQUAL(m_Name, "", (name));
   m_Name = name;
 }
 
-void FeatureBuilder::AddLayer(int32_t layer)
+void FeatureBuilderGeom::AddLayer(int32_t layer)
 {
   CHECK_EQUAL(m_Layer, 0, (layer));
 
@@ -73,7 +77,7 @@ void FeatureBuilder::AddLayer(int32_t layer)
   m_Layer = layer;
 }
 
-FeatureBase FeatureBuilder::GetFeatureBase() const
+FeatureBase FeatureBuilderGeom::GetFeatureBase() const
 {
   FeatureBase f;
   f.SetHeader(GetHeader());
@@ -105,7 +109,7 @@ namespace
   }
 }
 
-bool FeatureBuilder::operator == (FeatureBuilder const & fb) const
+bool FeatureBuilderGeom::operator == (FeatureBuilderGeom const & fb) const
 {
   if (m_Geometry.size() != fb.m_Geometry.size())
     return false;
@@ -123,7 +127,7 @@ bool FeatureBuilder::operator == (FeatureBuilder const & fb) const
       is_equal(m_LimitRect, fb.m_LimitRect);
 }
 
-uint8_t FeatureBuilder::GetHeader() const
+uint8_t FeatureBuilderGeom::GetHeader() const
 {
   uint8_t header = static_cast<uint8_t>(m_Types.size());
   if (m_Layer != 0)
@@ -140,41 +144,70 @@ uint8_t FeatureBuilder::GetHeader() const
   return header;
 }
 
-void FeatureBuilder::Serialize(vector<char> & data) const
+void FeatureBuilderGeom::SerializeBase(buffer_t & data) const
 {
   CHECK(!m_Geometry.empty(), ());
   CHECK(m_Geometry.size() > 1 || m_Triangles.empty(), ());
   CHECK_LESS(m_Types.size(), 16, ());
 
-  data.clear();
-  PushBackByteSink<vector<char> > sink(data);
+  PushBackByteSink<buffer_t> sink(data);
 
-  // Serializing header.
+  // Serialize header.
   WriteToSink(sink, GetHeader());
 
-  // Serializing types.
+  // Serialize types.
   {
     for (size_t i = 0; i < m_Types.size(); ++i)
       WriteVarUint(sink, m_Types[i]);
   }
 
-  // Serializing layer.
+  // Serialize layer.
   if (m_Layer != 0)
     WriteVarInt(sink, m_Layer);
 
-  // Serializing name.
+  // Serialize name.
   if (!m_Name.empty())
   {
     WriteVarUint(sink, m_Name.size() - 1);
     sink.Write(&m_Name[0], m_Name.size());
   }
+}
+
+void FeatureBuilderGeom::Serialize(buffers_holder_t & data) const
+{
+  data.clear();
+
+  SerializeBase(data);
+  SerializePoints(m_Geometry, data);
+  SerializeTriangles(data);
+
+  ASSERT ( CheckCorrect(data), () );
+}
+
+void FeatureBuilderGeom::SerializeTriangles(buffer_t & data) const
+{
+  if (!m_Triangles.empty())
+  {
+    PushBackByteSink<buffer_t> sink(data);
+
+    ASSERT_EQUAL(m_Triangles.size() % 3, 0, (m_Triangles.size()));
+    WriteVarUint(sink, m_Triangles.size() / 3 - 1);
+    for (size_t i = 0; i < m_Triangles.size(); ++i)
+      WriteVarInt(sink, i == 0 ? m_Triangles[i] : (m_Triangles[i] - m_Triangles[i-1]));
+  }
+}
+
+void FeatureBuilderGeom::SerializePoints(points_t const & points, buffer_t & data)
+{
+  uint32_t const ptsCount = points.size();
+  ASSERT_GREATER_OR_EQUAL(ptsCount, 1, ());
 
-  size_t const ptsCount = m_Geometry.size();
   vector<int64_t> geom;
   geom.reserve(ptsCount);
-  transform(m_Geometry.begin(), m_Geometry.end(), back_inserter(geom), pts::Fpt2id());
+  transform(points.begin(), points.end(), back_inserter(geom), pts::Fpt2id());
+
+  PushBackByteSink<buffer_t> sink(data);
 
-  // Serializing geometry.
   if (ptsCount == 1)
   {
     WriteVarInt(sink, geom[0]);
@@ -185,25 +218,15 @@ void FeatureBuilder::Serialize(vector<char> & data) const
     for (size_t i = 0; i < ptsCount; ++i)
       WriteVarInt(sink, i == 0 ? geom[0] : geom[i] - geom[i-1]);
   }
-
-  // Serializing triangles.
-  if (!m_Triangles.empty())
-  {
-    ASSERT_EQUAL(m_Triangles.size() % 3, 0, (m_Triangles.size()));
-    WriteVarUint(sink, m_Triangles.size() / 3 - 1);
-    for (size_t i = 0; i < m_Triangles.size(); ++i)
-      WriteVarInt(sink, i == 0 ? m_Triangles[i] : (m_Triangles[i] - m_Triangles[i-1]));
-  }
-
-  ASSERT ( CheckCorrect(data), () );
 }
 
-bool FeatureBuilder::CheckCorrect(vector<char> const & data) const
+bool FeatureBuilderGeom::CheckCorrect(vector<char> const & data) const
 {
-  vector<char> data1 = data;
-  FeatureGeom f(data1);
+  FeatureGeom::read_source_t src;
+  src.m_data = data;
+  FeatureGeom f(src);
 
-  FeatureBuilder fb;
+  FeatureBuilderGeom fb;
   f.InitFeatureBuilder(fb);
 
   string const s = f.DebugString();
@@ -217,6 +240,93 @@ bool FeatureBuilder::CheckCorrect(vector<char> const & data) const
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
+// FeatureBuilderGeomRef implementation
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+bool FeatureBuilderGeomRef::IsDrawable(int lowS, int highS) const
+{
+  FeatureBase const fb = GetFeatureBase();
+
+  while (lowS <= highS)
+    if (feature::IsDrawableForIndex(fb, lowS++))
+      return true;
+
+  return false;
+}
+
+void FeatureBuilderGeomRef::SimplifyPoints(points_t const & in, points_t & out, int level) const
+{
+  if (in.size() >= 2)
+  {
+    SimplifyDP<mn::DistanceToLineSquare<m2::PointD> >(in.begin(), in.end()-1,
+      my::sq(scales::GetEpsilonForLevel(level)), MakeBackInsertFunctor(out));
+
+    switch (out.size())
+    {
+    case 0:
+      out.push_back(in.front());
+    case 1:
+      out.push_back(in.back());
+      break;
+    default:
+      if (!out.back().EqualDxDy(in.back(), MercatorBounds::GetCellID2PointAbsEpsilon()))
+        out.push_back(in.back());
+    }
+  }
+}
+
+int g_arrScales[] = { 5, 10, 14, 17 };  // 17 = scales::GetUpperScale()
+//int g_arrScales[] = { 17 };
+
+void FeatureBuilderGeomRef::Serialize(buffers_holder_t & data) const
+{
+  data.clear();
+
+  SerializeBase(data.m_buffers[0]);
+
+  PushBackByteSink<buffer_t> sink(data.m_buffers[0]);
+
+  // for point feature write geometry-point immediately
+  if (m_Geometry.size() == 1)
+  {
+    SerializePoints(m_Geometry, data.m_buffers[0]);
+  }
+  else
+  {
+    uint32_t mask = 0;
+    int lowS = 0;
+    vector<uint32_t> offsets;
+    for (int i = 0; i < ARRAY_SIZE(g_arrScales); ++i)
+    {
+      if (IsDrawable(lowS, g_arrScales[i]))
+      {
+        mask |= (1 << i);
+        offsets.push_back(data.m_buffers[1].size());
+
+        // serialize points
+        points_t points;
+        SimplifyPoints(m_Geometry, points, g_arrScales[i]);
+        SerializePoints(points, data.m_buffers[1]);
+      }
+      lowS = g_arrScales[i]+1;
+    }
+
+    CHECK(mask > 0, (mask));  // feature should be visible
+
+    // serialize geometry offsets
+    WriteVarUint(sink, mask);
+    for (size_t i = 0; i < offsets.size(); ++i)
+      WriteVarUint(sink, data.m_lineOffset + offsets[i]);
+  }
+
+  if (!m_Triangles.empty())
+  {
+    WriteVarUint(sink, data.m_trgOffset);
+    SerializeTriangles(data.m_buffers[2]);
+  }
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
 // FeatureBase implementation
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
@@ -302,7 +412,7 @@ string FeatureBase::DebugString() const
   return res;
 }
 
-void FeatureBase::InitFeatureBuilder(FeatureBuilder & fb) const
+void FeatureBase::InitFeatureBuilder(FeatureBuilderGeom & fb) const
 {
   ASSERT(m_bNameParsed, ());
 
@@ -315,62 +425,78 @@ void FeatureBase::InitFeatureBuilder(FeatureBuilder & fb) const
 // FeatureGeom implementation
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
-FeatureGeom::FeatureGeom(vector<char> & data, uint32_t offset)
+FeatureGeom::FeatureGeom(read_source_t & src)
 {
-  Deserialize(data, offset);
+  Deserialize(src);
 }
 
-void FeatureGeom::Deserialize(vector<char> & data, uint32_t offset)
+void FeatureGeom::Deserialize(read_source_t & src)
 {
-  base_type::Deserialize(data, offset);
+  base_type::Deserialize(src.m_data, src.m_offset);
 
   m_Geometry.clear();
   m_Triangles.clear();
 }
 
-void FeatureGeom::ParseGeometry() const
+template <class TSource> 
+void FeatureGeom::ParseGeometryImpl(TSource & src) const
 {
   ASSERT(!m_bGeometryParsed, ());
-  if (!m_bNameParsed)
-    ParseName();
-
-  ArrayByteSource source(DataPtr() + m_GeometryOffset);
   uint32_t const geometrySize =
-    (GetFeatureType() == FEATURE_TYPE_POINT ? 1 : ReadVarUint<uint32_t>(source) + 1);
+    (GetFeatureType() == FEATURE_TYPE_POINT ? 1 : ReadVarUint<uint32_t>(src) + 1);
 
   m_Geometry.resize(geometrySize);
   int64_t id = 0;
   for (size_t i = 0; i < geometrySize; ++i)
-    m_LimitRect.Add(m_Geometry[i] = pts::ToPoint(id += ReadVarInt<int64_t>(source)));
+    m_LimitRect.Add(m_Geometry[i] = pts::ToPoint(id += ReadVarInt<int64_t>(src)));
 
   m_bGeometryParsed = true;
+}
+
+void FeatureGeom::ParseGeometry(int) const
+{
+  if (!m_bNameParsed)
+    ParseName();
+
+  ArrayByteSource source(DataPtr() + m_GeometryOffset);
+  ParseGeometryImpl(source);
+
   m_TrianglesOffset = CalcOffset(source);
 }
 
-void FeatureGeom::ParseTriangles() const
+template <class TSource> 
+void FeatureGeom::ParseTrianglesImpl(TSource & src) const
 {
   ASSERT(!m_bTrianglesParsed, ());
-  if (!m_bGeometryParsed)
-    ParseGeometry();
-
-  ArrayByteSource source(DataPtr() + m_TrianglesOffset);
   if (GetFeatureType() == FEATURE_TYPE_AREA)
   {
-    uint32_t const trgPoints = (ReadVarUint<uint32_t>(source) + 1) * 3;
+    uint32_t const trgPoints = (ReadVarUint<uint32_t>(src) + 1) * 3;
     m_Triangles.resize(trgPoints);
     int64_t id = 0;
     for (size_t i = 0; i < trgPoints; ++i)
-      m_Triangles[i] = pts::ToPoint(id += ReadVarInt<int64_t>(source));
+      m_Triangles[i] = pts::ToPoint(id += ReadVarInt<int64_t>(src));
   }
-
   m_bTrianglesParsed = true;
+}
+
+void FeatureGeom::ParseTriangles(int scale) const
+{
+  if (!m_bGeometryParsed)
+    ParseGeometry(scale);
+
+  ArrayByteSource source(DataPtr() + m_TrianglesOffset);
+  ParseTrianglesImpl(source);
+
   ASSERT_EQUAL ( CalcOffset(source), m_Data.size() - m_Offset, () );
 }
 
 void FeatureGeom::ParseAll() const
 {
+  if (!m_bGeometryParsed)
+    ParseGeometry(m_defScale);
+
   if (!m_bTrianglesParsed)
-    ParseTriangles();
+    ParseTriangles(m_defScale);
 }
 
 string FeatureGeom::DebugString() const
@@ -382,7 +508,7 @@ string FeatureGeom::DebugString() const
   return res;
 }
 
-void FeatureGeom::InitFeatureBuilder(FeatureBuilder & fb) const
+void FeatureGeom::InitFeatureBuilder(FeatureBuilderGeom & fb) const
 {
   ParseAll();
   base_type::InitFeatureBuilder(fb);
@@ -399,3 +525,88 @@ void FeatureGeom::InitFeatureBuilder(FeatureBuilder & fb) const
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 // FeatureGeomRef implementation
 ///////////////////////////////////////////////////////////////////////////////////////////////////
+
+FeatureGeomRef::FeatureGeomRef(read_source_t & src)
+ : base_type(src), m_gF(&src.m_gF), m_trgF(&src.m_trgF)
+{
+}
+
+void FeatureGeomRef::Deserialize(read_source_t & src)
+{
+  m_gF = &src.m_gF;
+  m_trgF = &src.m_trgF;
+
+  m_bOffsetsParsed = false;
+  m_mask = 0;
+  m_gOffsets.clear();
+
+  base_type::Deserialize(src);
+}
+
+uint32_t FeatureGeomRef::GetOffset(int scale) const
+{
+  for (size_t i = 0; i < ARRAY_SIZE(g_arrScales); ++i)
+    if (scale <= g_arrScales[i])
+      return m_gOffsets[i];
+
+  return m_invalidOffset;
+}
+
+void FeatureGeomRef::ParseGeometry(int scale) const
+{
+  if (!m_bOffsetsParsed)
+    ParseOffsets();
+  if (m_bGeometryParsed)
+    return;
+
+  ReaderSource<FileReader> source(*m_gF);
+  uint32_t const offset = GetOffset(scale);
+  CHECK ( offset != m_invalidOffset, (offset) );
+  source.Skip(offset);
+
+  ParseGeometryImpl(source);
+}
+
+void FeatureGeomRef::ParseTriangles(int scale) const
+{
+  if (!m_bOffsetsParsed)
+    ParseOffsets();
+
+  ReaderSource<FileReader> source(*m_trgF);
+  source.Skip(m_trgOffset);
+
+  ParseTrianglesImpl(source);
+}
+
+void FeatureGeomRef::ParseOffsets() const
+{
+  if (!m_bNameParsed)
+    ParseName();
+
+  ArrayByteSource source(DataPtr() + m_GeometryOffset);
+  FeatureType const type = GetFeatureType();
+
+  if (type == FEATURE_TYPE_POINT)
+  {
+    ParseGeometryImpl(source);
+  }
+  else
+  {
+    uint32_t mask = m_mask = ReadVarUint<uint32_t>(source);
+    ASSERT ( mask > 0, () );
+    while (mask > 0)
+    {
+      if (mask & 0x01)
+        m_gOffsets.push_back(ReadVarUint<uint32_t>(source));
+      else
+        m_gOffsets.push_back(m_invalidOffset);
+
+      mask = mask >> 1;
+    }
+
+    if (type == FEATURE_TYPE_AREA)
+      m_trgOffset = ReadVarUint<uint32_t>(source);
+  }
+
+  m_bOffsetsParsed = true;
+}
diff --git a/indexer/feature.hpp b/indexer/feature.hpp
index 286fd079e3..2de8e75e19 100644
--- a/indexer/feature.hpp
+++ b/indexer/feature.hpp
@@ -1,22 +1,25 @@
 #pragma once
 
+#include "cell_id.hpp"
+
 #include "../geometry/point2d.hpp"
 #include "../geometry/rect2d.hpp"
 
+#include "../coding/file_reader.hpp"
+
 #include "../base/base.hpp"
 
 #include "../std/string.hpp"
 #include "../std/vector.hpp"
 
-#include "cell_id.hpp"
 
 class ArrayByteSource;
 class FeatureBase;
 
-class FeatureBuilder
+class FeatureBuilderGeom
 {
 public:
-  FeatureBuilder();
+  FeatureBuilderGeom();
 
   void AddName(string const & name);
   void AddPoint(m2::PointD const & p);
@@ -37,7 +40,9 @@ public:
 
   void AddLayer(int32_t layer);
 
-  void Serialize(vector<char> & data) const;
+  typedef vector<char> buffer_t;
+  typedef buffer_t buffers_holder_t;
+  void Serialize(buffers_holder_t & data) const;
 
   inline m2::RectD GetLimitRect() const { return m_LimitRect; }
 
@@ -47,9 +52,15 @@ public:
   bool IsGeometryClosed() const;
   size_t GetPointsCount() const { return m_Geometry.size(); }
 
-  bool operator == (FeatureBuilder const &) const;
+  bool operator == (FeatureBuilderGeom const &) const;
+
+protected:
+  typedef vector<m2::PointD> points_t;
+
+  void SerializeBase(buffer_t & data) const;
+  static void SerializePoints(points_t const & points, buffer_t & data);
+  void SerializeTriangles(buffer_t & data) const;
 
-private:
   uint8_t GetHeader() const;
 
   bool CheckCorrect(vector<char> const & data) const;
@@ -60,11 +71,38 @@ private:
 
   m2::RectD m_LimitRect;
 
-  vector<m2::PointD> m_Geometry;  // store points as is for further processing
+  points_t m_Geometry;  // store points as is for further processing
 
   vector<int64_t> m_Triangles;
 };
 
+class FeatureBuilderGeomRef : public FeatureBuilderGeom
+{
+  typedef FeatureBuilderGeom base_type;
+
+  bool IsDrawable(int lowS, int highS) const;
+  void SimplifyPoints(points_t const & in, points_t & out, int level) const;
+
+public:
+
+  struct buffers_holder_t
+  {
+    uint32_t m_lineOffset, m_trgOffset; ///< in
+    base_type::buffer_t m_buffers[3];   ///< out
+
+    void clear()
+    {
+      for (int i = 0; i < 3; ++i)
+        m_buffers[i].clear();
+    }
+  };
+
+  /// @name Overwrite from base_type.
+  //@{
+  void Serialize(buffers_holder_t & data) const;
+  //@}
+};
+
 class FeatureBase
 {
 public:
@@ -82,7 +120,7 @@ public:
   //@{
   void Deserialize(vector<char> & data, uint32_t offset = 0);
   string DebugString() const;
-  void InitFeatureBuilder(FeatureBuilder & fb) const;
+  void InitFeatureBuilder(FeatureBuilderGeom & fb) const;
   //@}
 
   inline FeatureType GetFeatureType() const
@@ -154,7 +192,7 @@ protected:
   vector<char> m_Data;
   uint32_t m_Offset;
 
-  friend class FeatureBuilder;
+  friend class FeatureBuilderGeom;
 
   void SetHeader(uint8_t h);
 
@@ -189,57 +227,80 @@ class FeatureGeom : public FeatureBase
   typedef FeatureBase base_type;
 
 public:
+  struct read_source_t
+  {
+    vector<char> m_data;
+    uint32_t m_offset;
+
+    read_source_t() : m_offset(0) {}
+    read_source_t(string const &) : m_offset(0) {}
+
+    void assign(char const * data, uint32_t size)
+    {
+      m_data.assign(data, data + size);
+    }
+  };
+
   FeatureGeom() {}
-  FeatureGeom(vector<char> & data, uint32_t offset = 0);
+  FeatureGeom(read_source_t & src);
 
   /// @name Overwrite from base_type.
   //@{
-  void Deserialize(vector<char> & data, uint32_t offset = 0);
+  void Deserialize(read_source_t & src);
   string DebugString() const;
-  void InitFeatureBuilder(FeatureBuilder & fb) const;
+  void InitFeatureBuilder(FeatureBuilderGeom & fb) const;
   //@}
 
   inline m2::RectD GetLimitRect() const
   {
     if (!m_bGeometryParsed)
-      ParseGeometry();
+    {
+      // this function use only in index generation,
+      // so get geometry for upper scale
+      ParseGeometry(m_defScale);
+    }
     return base_type::GetLimitRect();
   }
 
-  inline uint32_t GetGeometrySize() const
-  {
-    if (!m_bGeometryParsed)
-      ParseGeometry();
-    return m_Geometry.size();
-  }
+  /// @name Used only in unit-tests. So remove it.
+  //@{
+  //inline uint32_t GetGeometrySize() const
+  //{
+  //  if (!m_bGeometryParsed)
+  //    ParseGeometry();
+  //  return m_Geometry.size();
+  //}
+
+  //inline uint32_t GetTriangleCount() const
+  //{
+  //  if (!m_bTrianglesParsed)
+  //    ParseTriangles();
+  //  return (m_Triangles.size() / 3);
+  //}
+  //@}
 
-  inline uint32_t GetTriangleCount() const
-  {
-    if (!m_bTrianglesParsed)
-      ParseTriangles();
-    return (m_Triangles.size() / 3);
-  }
+  static int const m_defScale = 17;
 
   template <typename FunctorT>
-  void ForEachPointRef(FunctorT & f) const
+  void ForEachPointRef(FunctorT & f, int scale) const
   {
     if (!m_bGeometryParsed)
-      ParseGeometry();
+      ParseGeometry(scale);
     for (size_t i = 0; i < m_Geometry.size(); ++i)
       f(CoordPointT(m_Geometry[i].x, m_Geometry[i].y));
   }
 
   template <typename FunctorT>
-  void ForEachPoint(FunctorT f) const
+  void ForEachPoint(FunctorT f, int scale) const
   {
-    ForEachPointRef(f);
+    ForEachPointRef(f, scale);
   }
 
   template <typename FunctorT>
-  void ForEachTriangleRef(FunctorT & f) const
+  void ForEachTriangleRef(FunctorT & f, int scale) const
   {
     if (!m_bTrianglesParsed)
-      ParseTriangles();
+      ParseTriangles(scale);
     for (size_t i = 0; i < m_Triangles.size();)
     {
       f(m_Triangles[i], m_Triangles[i+1], m_Triangles[i+2]);
@@ -248,17 +309,19 @@ public:
   }
 
   template <typename FunctorT>
-  void ForEachTriangleExRef(FunctorT & f) const
+  void ForEachTriangleExRef(FunctorT & f, int scale) const
   {
     f.StartPrimitive(m_Triangles.size());
-    ForEachTriangleRef(f);
+    ForEachTriangleRef(f, scale);
     f.EndPrimitive();
   }
 
 protected:
+  template <class TSource> void ParseGeometryImpl(TSource & src) const;
+  template <class TSource> void ParseTrianglesImpl(TSource & src) const;
 
-  void ParseGeometry() const;
-  void ParseTriangles() const;
+  virtual void ParseGeometry(int scale) const;
+  virtual void ParseTriangles(int scale) const;
 
   void ParseAll() const;
 
@@ -271,8 +334,43 @@ class FeatureGeomRef : public FeatureGeom
   typedef FeatureGeom base_type;
 
 public:
+  struct read_source_t : public base_type::read_source_t
+  {
+    FileReader m_gF;
+    FileReader m_trgF;
+
+    read_source_t(string const & name)
+      : m_gF(name + ".geom"), m_trgF(name + ".trg")
+    {
+    }
+  };
+
   FeatureGeomRef() {}
-  FeatureGeomRef(vector<char> & data, uint32_t offset = 0) : base_type(data, offset) {}
+  FeatureGeomRef(read_source_t & src);
+
+  void Deserialize(read_source_t & src);
+
+protected:
+  /// @name Overwrite from base_type.
+  //@{
+  virtual void ParseGeometry(int scale) const;
+  virtual void ParseTriangles(int scale) const;
+  //@}
+
+private:
+  FileReader * m_gF;
+  FileReader * m_trgF;
+
+  void ParseOffsets() const;
+  mutable bool m_bOffsetsParsed;
+
+  static uint32_t const m_invalidOffset = uint32_t(-1);
+
+  uint32_t GetOffset(int scale) const;
+
+  mutable uint32_t m_mask;
+  mutable vector<uint32_t> m_gOffsets;
+  mutable uint32_t m_trgOffset;
 };
 
 inline string debug_print(FeatureGeom const & f)
@@ -280,5 +378,11 @@ inline string debug_print(FeatureGeom const & f)
   return f.DebugString();
 }
 
+inline string debug_print(FeatureGeomRef const & f)
+{
+  return f.DebugString();
+}
+
 
-typedef FeatureGeom FeatureType;
+typedef FeatureGeomRef FeatureType;
+typedef FeatureBuilderGeomRef FeatureBuilderType;
diff --git a/indexer/feature_processor.hpp b/indexer/feature_processor.hpp
index 4ef1b23494..1045f6593a 100644
--- a/indexer/feature_processor.hpp
+++ b/indexer/feature_processor.hpp
@@ -12,11 +12,11 @@ namespace feature
 {
   /// Read feature from feature source.
   template <class TSource, class TFeature>
-  void ReadFromSource(TSource & src, TFeature & f)
+  void ReadFromSource(TSource & src, TFeature & f, typename TFeature::read_source_t & buffer)
   {
     uint32_t const sz = ReadVarUint<uint32_t>(src);
-    vector<char> buffer(sz);
-    src.Read(&buffer[0], sz);
+    buffer.m_data.resize(sz);
+    src.Read(&buffer.m_data[0], sz);
     f.Deserialize(buffer);
   }
 
@@ -28,6 +28,7 @@ namespace feature
 
     FileReader reader(fName);
     source_t src(reader);
+    typename TFeature::read_source_t buffer(fName);
 
     // skip header
     uint64_t currPos = feature::GetSkipHeaderSize(reader);
@@ -38,7 +39,7 @@ namespace feature
     while (currPos < fSize)
     {
       TFeature f;
-      ReadFromSource(src, f);
+      ReadFromSource(src, f, buffer);
       toDo(f, currPos);
       currPos = src.Pos();
     }
diff --git a/indexer/features_vector.hpp b/indexer/features_vector.hpp
index 81d62abdc8..0721366a03 100644
--- a/indexer/features_vector.hpp
+++ b/indexer/features_vector.hpp
@@ -14,16 +14,15 @@ class FeaturesVector
 public:
   typedef ReaderT ReaderType;
 
-  explicit FeaturesVector(ReaderT const & reader) : m_RecordReader(reader, 256)
+  explicit FeaturesVector(ReaderT const & reader)
+    : m_RecordReader(reader, 256), m_source(reader.GetName())
   {
   }
 
   void Get(uint64_t pos, FeatureType & feature) const
   {
-    vector<char> record;
-    uint32_t offset;
-    m_RecordReader.ReadRecord(pos, record, offset);
-    feature.Deserialize(record, offset);
+    m_RecordReader.ReadRecord(pos, m_source.m_data, m_source.m_offset);
+    feature.Deserialize(m_source);
   }
 
   template <class TDo> void ForEachOffset(TDo const & toDo) const
@@ -48,10 +47,11 @@ public:
 private:
   FeatureType const & DeserializeFeature(char const * data, uint32_t size, FeatureType * pFeature) const
   {
-    vector<char> data1(data, data + size);
-    pFeature->Deserialize(data1);
+    m_source.assign(data, size);
+    pFeature->Deserialize(m_source);
     return *pFeature;
   }
 
   VarRecordReader<ReaderT, &VarRecordSizeReaderVarint> m_RecordReader;
+  mutable FeatureType::read_source_t m_source;
 };
diff --git a/indexer/indexer_tests/feature_bucketer_test.cpp b/indexer/indexer_tests/feature_bucketer_test.cpp
index 5783066fa9..d318b51ba1 100644
--- a/indexer/indexer_tests/feature_bucketer_test.cpp
+++ b/indexer/indexer_tests/feature_bucketer_test.cpp
@@ -19,12 +19,12 @@ namespace
     PushBackFeatureDebugStringOutput(string const & name, InitDataType const & initData)
       : m_pContainer(&((*initData)[name])) {}
 
-    void operator() (FeatureBuilder const & fb)
+    void operator() (FeatureBuilderType const & fb)
     {
-      vector<char> bytes;
-      fb.Serialize(bytes);
-      FeatureType f(bytes);
+      FeatureType::read_source_t bytes;
+      fb.Serialize(bytes.m_data);
 
+      FeatureType f(bytes);
       m_pContainer->push_back(f.DebugString());
     }
 
@@ -39,10 +39,11 @@ namespace
       RectId
   > FeatureBucketer;
 
-  FeatureType MakeFeature(FeatureBuilder const & fb)
+  FeatureType MakeFeature(FeatureBuilderType const & fb)
   {
-    vector<char> bytes;
-    fb.Serialize(bytes);
+    FeatureType::read_source_t bytes;
+    fb.Serialize(bytes.m_data);
+
     return FeatureType(bytes);
   }
 }
@@ -52,7 +53,7 @@ UNIT_TEST(FeatureBucketerSmokeTest)
   map<string, vector<string> > out, expectedOut;
   FeatureBucketer bucketer(1, &out);
 
-  FeatureBuilder fb;
+  FeatureBuilderType fb;
   fb.AddPoint(m2::PointD(10, 10));
   fb.AddPoint(m2::PointD(20, 20));
   bucketer(fb);
diff --git a/indexer/indexer_tests/feature_test.cpp b/indexer/indexer_tests/feature_test.cpp
index 14d31d9df2..d40b125cfd 100644
--- a/indexer/indexer_tests/feature_test.cpp
+++ b/indexer/indexer_tests/feature_test.cpp
@@ -37,7 +37,7 @@ UNIT_TEST(Feature_Deserialize)
   vector<int> a;
   a.push_back(1);
   a.push_back(2);
-  FeatureBuilder builder;
+  FeatureBuilderType builder;
 
   builder.AddName("name");
 
@@ -66,9 +66,10 @@ UNIT_TEST(Feature_Deserialize)
   uint32_t arrTypes[typesCount+1] = { 5, 7, 0 };
   builder.AddTypes(arrTypes, arrTypes + typesCount);
 
-  vector<char> serial;
+  FeatureBuilderType::buffers_holder_t serial;
   builder.Serialize(serial);
-  vector<char> serial1 = serial;
+  FeatureType::read_source_t serial1;
+  serial1.m_data = serial;
   FeatureType f(serial1);
 
   TEST_EQUAL(f.GetFeatureType(), FeatureBase::FEATURE_TYPE_AREA, ());
@@ -79,15 +80,15 @@ UNIT_TEST(Feature_Deserialize)
 
   TEST_EQUAL(f.GetLayer(), 3, ());
   TEST_EQUAL(f.GetName(), "name", ());
-  TEST_EQUAL(f.GetGeometrySize(), 4, ());
-  TEST_EQUAL(f.GetTriangleCount(), 1, ());
+  //TEST_EQUAL(f.GetGeometrySize(), 4, ());
+  //TEST_EQUAL(f.GetTriangleCount(), 1, ());
 
   PointAccumulator featurePoints;
-  f.ForEachPointRef(featurePoints);
+  f.ForEachPointRef(featurePoints, FeatureType::m_defScale);
   TEST_EQUAL(points, featurePoints.m_V, ());
 
   PointAccumulator featureTriangles;
-  f.ForEachTriangleRef(featureTriangles);
+  f.ForEachTriangleRef(featureTriangles, FeatureType::m_defScale);
   TEST_EQUAL(triangles, featureTriangles.m_V, ());
 
   double const eps = MercatorBounds::GetCellID2PointAbsEpsilon();
@@ -96,11 +97,11 @@ UNIT_TEST(Feature_Deserialize)
   TEST_LESS(fabs(f.GetLimitRect().maxX() - 1.00), eps, ());
   TEST_LESS(fabs(f.GetLimitRect().maxY() - 1.00), eps, ());
 
-  vector<char> serial2;
-  FeatureBuilder builder2;
+  FeatureType::read_source_t serial2;
+  FeatureBuilderType builder2;
   f.InitFeatureBuilder(builder2);
-  builder2.Serialize(serial2);
+  builder2.Serialize(serial2.m_data);
 
-  TEST_EQUAL(serial, serial2,
+  TEST_EQUAL(serial, serial2.m_data,
              (f.DebugString(), FeatureType(serial2).DebugString()));
 }
diff --git a/indexer/indexer_tool/feature_bucketer.hpp b/indexer/indexer_tool/feature_bucketer.hpp
index 9b3a35d482..8f291b8716 100644
--- a/indexer/indexer_tool/feature_bucketer.hpp
+++ b/indexer/indexer_tool/feature_bucketer.hpp
@@ -22,6 +22,8 @@ namespace feature
 template <class FeatureOutT, class FeatureClipperT, class BoundsT, typename CellIdT>
 class CellFeatureBucketer
 {
+  typedef typename FeatureClipperT::feature_builder_t feature_builder_t;
+
 public:
   CellFeatureBucketer(int level, typename FeatureOutT::InitDataType const & featureOutInitData,
                       int maxWorldZoom = -1)
@@ -42,7 +44,7 @@ public:
       m_worldBucket.reset(new FeatureOutT(WORLD_FILE_NAME, m_FeatureOutInitData));
   }
 
-  void operator () (FeatureBuilder const & fb)
+  void operator () (feature_builder_t const & fb)
   {
     // separately store features needed for world map
     if (m_worldBucket && m_maxWorldZoom >= feature::MinDrawableScaleForFeature(fb.GetFeatureBase()))
@@ -57,7 +59,7 @@ public:
       // Clipper may (or may not) do a better intersection.
       if (m_Buckets[i].m_Rect.IsIntersect(limitRect))
       {
-        FeatureBuilder clippedFb;
+        feature_builder_t clippedFb;
         if (clipper(m_Buckets[i].m_Rect, clippedFb))
         {
           if (!m_Buckets[i].m_pOut)
@@ -101,13 +103,18 @@ private:
 
 class SimpleFeatureClipper
 {
-    FeatureBuilder const & m_Feature;
 public:
-  explicit SimpleFeatureClipper(FeatureBuilder const & f) : m_Feature(f)
+  typedef FeatureBuilderGeom feature_builder_t;
+
+private:
+  feature_builder_t const & m_Feature;
+
+public:
+  explicit SimpleFeatureClipper(feature_builder_t const & f) : m_Feature(f)
   {
   }
 
-  bool operator () (m2::RectD const & /*rect*/, FeatureBuilder & clippedF) const
+  bool operator () (m2::RectD const & /*rect*/, feature_builder_t & clippedF) const
   {
     clippedF = m_Feature;
     return true;
diff --git a/indexer/indexer_tool/feature_generator.cpp b/indexer/indexer_tool/feature_generator.cpp
index 6a88ef77e7..143474f65a 100644
--- a/indexer/indexer_tool/feature_generator.cpp
+++ b/indexer/indexer_tool/feature_generator.cpp
@@ -129,37 +129,49 @@ public:
   }
 };
 
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// FeaturesCollector implementation
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
 void FeaturesCollector::Init()
 {
   // write empty stub, will be updated in Finish()
   WriteDataHeader(m_datFile, feature::DataHeader());
 }
 
-FeaturesCollector::FeaturesCollector(string const & datFile) : m_datFile(datFile)
+FeaturesCollector::FeaturesCollector(string const & fName)
+: m_datFile(fName), m_geoFile(fName + ".geom"), m_trgFile(fName + ".trg")
 {
   Init();
 }
 
-FeaturesCollector::FeaturesCollector(string const & bucketName,
-                                     FeaturesCollector::InitDataType const & datFilePrefixSuffix)
-  : m_datFile(datFilePrefixSuffix.first + bucketName + datFilePrefixSuffix.second)
+FeaturesCollector::FeaturesCollector(string const & bucket,
+                                     FeaturesCollector::InitDataType const & prefix)
+: m_datFile(prefix.first + bucket + prefix.second),
+  m_geoFile(prefix.first + bucket + prefix.second + ".geom"),
+  m_trgFile(prefix.first + bucket + prefix.second + ".trg")
 {
   Init();
 }
 
-void FeaturesCollector::operator() (FeatureBuilder const & fb)
+void FeaturesCollector::FilePreCondition(FileWriter const & f)
 {
-#ifdef DEBUG
   // .dat file should be less than 4Gb
-  uint64_t const pos = m_datFile.Pos();
-  ASSERT_EQUAL ( static_cast<uint64_t>(static_cast<uint32_t>(pos)), pos,
+  uint64_t const pos = f.Pos();
+  CHECK_EQUAL ( static_cast<uint64_t>(static_cast<uint32_t>(pos)), pos,
     ("Feature offset is out of 32bit boundary!") );
-#endif
+}
 
-  vector<char> bytes;
-  fb.Serialize(bytes);
+void FeaturesCollector::WriteBuffer(FileWriter & f, vector<char> const & bytes)
+{
+  if (!bytes.empty())
+    f.Write(&bytes[0], bytes.size());
+}
+
+void FeaturesCollector::WriteFeatureBase(vector<char> const & bytes, FeatureBuilderGeom const & fb)
+{
   size_t const sz = bytes.size();
-  CHECK(sz, ("Empty feature! WTF?"));
+  CHECK ( sz != 0, ("Empty feature not allowed here!") );
 
   if (sz > 0)
   {
@@ -170,6 +182,32 @@ void FeaturesCollector::operator() (FeatureBuilder const & fb)
   }
 }
 
+void FeaturesCollector::operator() (FeatureBuilderGeom const & fb)
+{
+  FilePreCondition(m_datFile);
+
+  FeatureBuilderGeom::buffers_holder_t bytes;
+  fb.Serialize(bytes);
+  WriteFeatureBase(bytes, fb);
+}
+
+void FeaturesCollector::operator() (FeatureBuilderGeomRef const & fb)
+{
+  FilePreCondition(m_datFile);
+  FilePreCondition(m_geoFile);
+  FilePreCondition(m_trgFile);
+
+  FeatureBuilderGeomRef::buffers_holder_t buffers;
+  buffers.m_lineOffset = static_cast<uint32_t>(m_geoFile.Pos());
+  buffers.m_trgOffset = static_cast<uint32_t>(m_trgFile.Pos());
+
+  fb.Serialize(buffers);
+  WriteFeatureBase(buffers.m_buffers[0], fb);
+
+  WriteBuffer(m_geoFile, buffers.m_buffers[1]);
+  WriteBuffer(m_trgFile, buffers.m_buffers[2]);
+}
+
 FeaturesCollector::~FeaturesCollector()
 {
   // rewrite map information with actual data
@@ -179,6 +217,10 @@ FeaturesCollector::~FeaturesCollector()
   WriteDataHeader(m_datFile, header);
 }
 
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Generate functions implementations.
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
 class points_in_file
 {
   FileReader m_file;
diff --git a/indexer/indexer_tool/feature_generator.hpp b/indexer/indexer_tool/feature_generator.hpp
index 6d55c864f3..bf68796394 100644
--- a/indexer/indexer_tool/feature_generator.hpp
+++ b/indexer/indexer_tool/feature_generator.hpp
@@ -9,7 +9,8 @@
 #include "../../std/vector.hpp"
 #include "../../std/string.hpp"
 
-class FeatureBuilder;
+class FeatureBuilderGeom;
+class FeatureBuilderGeomRef;
 
 namespace feature
 {
@@ -31,10 +32,14 @@ namespace feature
   // Writes features to dat file.
   class FeaturesCollector
   {
-    FileWriter m_datFile;
+    FileWriter m_datFile, m_geoFile, m_trgFile;
     m2::RectD m_bounds;
 
     void Init();
+    void FilePreCondition(FileWriter const & f);
+
+    static void WriteBuffer(FileWriter & f, vector<char> const & bytes);
+    void WriteFeatureBase(vector<char> const & bytes, FeatureBuilderGeom const & fb);
 
   public:
     ~FeaturesCollector();
@@ -42,9 +47,10 @@ namespace feature
     // Stores prefix and suffix of a dat file name.
     typedef pair<string, string> InitDataType;
 
-    explicit FeaturesCollector(string const & datFile);
-    FeaturesCollector(string const & bucketName, InitDataType const & datFilePrefixSuffix);
+    explicit FeaturesCollector(string const & fName);
+    FeaturesCollector(string const & bucket, InitDataType const & prefix);
 
-    void operator() (FeatureBuilder const & f);
+    void operator() (FeatureBuilderGeom const & f);
+    void operator() (FeatureBuilderGeomRef const & f);
   };
 }
diff --git a/indexer/indexer_tool/feature_sorter.cpp b/indexer/indexer_tool/feature_sorter.cpp
index 3fafedb703..db068ec262 100644
--- a/indexer/indexer_tool/feature_sorter.cpp
+++ b/indexer/indexer_tool/feature_sorter.cpp
@@ -34,7 +34,7 @@ namespace
       m_midX = 0.0;
       m_midY = 0.0;
       m_counter = 0;
-      ft.ForEachPointRef(*this);
+      ft.ForEachPointRef(*this, FeatureGeom::m_defScale);
       m_midX /= m_counter;
       m_midY /= m_counter;
 
@@ -85,12 +85,14 @@ namespace feature
 
     // store sorted features
     {
-      FileWriter writer(datFilePath);
+      //FileWriter writer(datFilePath);
       FileReader reader(tempDatFilePath);
 
-      feature::DataHeader header;
-      feature::ReadDataHeader(tempDatFilePath, header);
-      feature::WriteDataHeader(writer, header);
+      //feature::DataHeader header;
+      //feature::ReadDataHeader(tempDatFilePath, header);
+      //feature::WriteDataHeader(writer, header);
+
+      FeaturesCollector collector(datFilePath);
 
       for (size_t i = 0; i < midPoints.m_vec.size(); ++i)
       {
@@ -101,12 +103,21 @@ namespace feature
 
         // read feature bytes
         uint32_t const sz = ReadVarUint<uint32_t>(src);
-        vector<char> buffer(sz);
-        src.Read(&buffer[0], sz);
+        FeatureGeom::read_source_t buffer;
+        buffer.m_data.resize(sz);
+        src.Read(&buffer.m_data[0], sz);
+
+        FeatureGeom f;
+        f.Deserialize(buffer);
+
+        FeatureBuilderType fb;
+        f.InitFeatureBuilder(fb);
 
         // write feature bytes
-        WriteVarUint(writer, sz);
-        writer.Write(&buffer[0], sz);
+        //WriteVarUint(writer, sz);
+        //writer.Write(&buffer[0], sz);
+
+        collector(fb);
       }
 
       // at this point files should be closed
diff --git a/indexer/indexer_tool/osm_element.hpp b/indexer/indexer_tool/osm_element.hpp
index 2712db7907..49ef5d165e 100644
--- a/indexer/indexer_tool/osm_element.hpp
+++ b/indexer/indexer_tool/osm_element.hpp
@@ -19,7 +19,7 @@
 namespace feature
 {
   typedef list<vector<m2::PointD> > holes_cont_t;
-  void TesselateInterior(FeatureBuilder & featureBuilder, feature::holes_cont_t const & holes);
+  void TesselateInterior(FeatureBuilderGeom & featureBuilder, feature::holes_cont_t const & holes);
 }
 
 /// @param  TEmitter  Feature accumulating policy
@@ -185,12 +185,14 @@ protected:
     }
   } m_typeProcessor;
 
+  typedef FeatureBuilderGeom feature_builder_t;
+
   bool GetPoint(uint64_t id, m2::PointD & pt)
   {
     return m_holder.GetNode(id, pt.y, pt.x);
   }
 
-  void FinishAreaFeature(uint64_t id, FeatureBuilder & ft)
+  void FinishAreaFeature(uint64_t id, feature_builder_t & ft)
   {
     if (ft.IsGeometryClosed())
     {
@@ -228,7 +230,7 @@ class SecondPassParserJoin : public SecondPassParserBase<TEmitter, THolder>
 
   set<uint64_t> m_usedDirect;
 
-  bool TryEmitUnited(uint64_t featureID, FeatureBuilder & ft)
+  bool TryEmitUnited(uint64_t featureID, base_type::feature_builder_t & ft)
   {
     // check, if feature already processed early
     if (m_usedDirect.count(featureID) > 0)
@@ -324,7 +326,7 @@ protected:
     for (typename base_type::value_t::types_t::iterator i = fValue.types.begin(); i != fValue.types.end(); ++i)
       if (feature::NeedUnite(*i))
       {
-        FeatureBuilder ft;
+        base_type::feature_builder_t ft;
         ft.AddName(fValue.name);
         ft.AddTypes(fValue.types.begin(), fValue.types.end());
         ft.AddLayer(fValue.layer);
@@ -354,7 +356,7 @@ protected:
     if (!ParseType(p, id, fValue))
       return;
 
-    FeatureBuilder ft;
+    base_type::feature_builder_t ft;
     ft.AddName(fValue.name);
     ft.AddTypes(fValue.types.begin(), fValue.types.end());
     ft.AddLayer(fValue.layer);
diff --git a/indexer/indexer_tool/tesselator.cpp b/indexer/indexer_tool/tesselator.cpp
index 642ed346a1..659874307e 100644
--- a/indexer/indexer_tool/tesselator.cpp
+++ b/indexer/indexer_tool/tesselator.cpp
@@ -17,7 +17,7 @@ namespace feature
     }
   };
 
-  void TesselateInterior(FeatureBuilder & fb, feature::holes_cont_t const & holes)
+  void TesselateInterior(FeatureBuilderGeom & fb, feature::holes_cont_t const & holes)
   {
     ASSERT(fb.IsGeometryClosed(), ());
 
@@ -30,10 +30,10 @@ namespace feature
 
     tess.beginContour();
     {
-      vector<char> bytes;
-      fb.Serialize(bytes);
+      FeatureGeom::read_source_t bytes;
+      fb.Serialize(bytes.m_data);
       FeatureGeom f(bytes);
-      f.ForEachPoint(AddTessPointF(tess));
+      f.ForEachPoint(AddTessPointF(tess), FeatureGeom::m_defScale);
     }
     tess.endContour();
 
diff --git a/indexer/scale_index_builder.hpp b/indexer/scale_index_builder.hpp
index 042c3afcac..3be990b440 100644
--- a/indexer/scale_index_builder.hpp
+++ b/indexer/scale_index_builder.hpp
@@ -57,7 +57,7 @@ public:
   {
     if (FeatureShouldBeIndexed(f))
     {
-      vector<int64_t> const cells = covering::CoverFeature(f);
+      vector<int64_t> const cells = covering::CoverFeature(f, m_ScaleRange.second);
       for (vector<int64_t>::const_iterator it = cells.begin(); it != cells.end(); ++it)
         m_Sorter.Add(make_pair(*it, offset));
       ++m_NumFeatures;