diff --git a/src/grid/process_line_symbolizer.cpp b/src/grid/process_line_symbolizer.cpp
index 606d0a31a..9e18180a4 100644
--- a/src/grid/process_line_symbolizer.cpp
+++ b/src/grid/process_line_symbolizer.cpp
@@ -27,6 +27,7 @@
 #include <mapnik/grid/grid_pixel.hpp>
 #include <mapnik/grid/grid.hpp>
 #include <mapnik/line_symbolizer.hpp>
+#include <mapnik/vertex_converters.hpp>
 
 // agg
 #include "agg_rasterizer_scanline_aa.h"
@@ -35,6 +36,9 @@
 #include "agg_conv_stroke.h"
 #include "agg_conv_dash.h"
 
+// boost
+#include <boost/foreach.hpp>
+
 // stl
 #include <string>
 
@@ -60,76 +64,29 @@ void grid_renderer<T>::process(line_symbolizer const& sym,
 
     stroke const&  stroke_ = sym.get_stroke();
 
-    for (unsigned i=0;i<feature.num_geometries();++i)
+    agg::trans_affine tr;
+    evaluate_transform(tr, feature, sym.get_transform());
+
+    box2d<double> ext = query_extent_ * 1.1;
+
+    typedef boost::mpl::vector<clip_line_tag,transform_tag, offset_transform_tag, affine_transform_tag, smooth_tag, dash_tag, stroke_tag> conv_types;
+    vertex_converter<box2d<double>, grid_rasterizer, line_symbolizer,
+                     CoordTransform, proj_transform, agg::trans_affine, conv_types>
+        converter(ext,*ras_ptr,sym,t_,prj_trans,tr,scale_factor_);
+
+    if (sym.clip()) converter.set<clip_line_tag>(); // optional clip (default: true)
+    converter.set<transform_tag>(); // always transform
+    if (fabs(sym.offset()) > 0.0) converter.set<offset_transform_tag>(); // parallel offset
+    converter.set<affine_transform_tag>(); // optional affine transform
+    if (sym.smooth() > 0.0) converter.set<smooth_tag>(); // optional smooth converter
+    if (stroke_.has_dash()) converter.set<dash_tag>();
+    converter.set<stroke_tag>(); //always stroke
+
+    BOOST_FOREACH( geometry_type & geom, feature.paths())
     {
-        geometry_type & geom = feature.get_geometry(i);
         if (geom.num_points() > 1)
         {
-            path_type path(t_,geom,prj_trans);
-
-            if (stroke_.has_dash())
-            {
-                agg::conv_dash<path_type> dash(path);
-                dash_array const& d = stroke_.get_dash_array();
-                dash_array::const_iterator itr = d.begin();
-                dash_array::const_iterator end = d.end();
-                for (;itr != end;++itr)
-                {
-                    dash.add_dash(itr->first * scale_factor_,
-                                  itr->second * scale_factor_);
-                }
-
-                agg::conv_stroke<agg::conv_dash<path_type > > stroke(dash);
-
-                line_join_e join=stroke_.get_line_join();
-                if ( join == MITER_JOIN)
-                    stroke.generator().line_join(agg::miter_join);
-                else if( join == MITER_REVERT_JOIN)
-                    stroke.generator().line_join(agg::miter_join);
-                else if( join == ROUND_JOIN)
-                    stroke.generator().line_join(agg::round_join);
-                else
-                    stroke.generator().line_join(agg::bevel_join);
-
-                line_cap_e cap=stroke_.get_line_cap();
-                if (cap == BUTT_CAP)
-                    stroke.generator().line_cap(agg::butt_cap);
-                else if (cap == SQUARE_CAP)
-                    stroke.generator().line_cap(agg::square_cap);
-                else
-                    stroke.generator().line_cap(agg::round_cap);
-
-                stroke.generator().miter_limit(stroke_.get_miterlimit());
-                stroke.generator().width(stroke_.get_width() * scale_factor_);
-
-                ras_ptr->add_path(stroke);
-
-            }
-            else
-            {
-                agg::conv_stroke<path_type>  stroke(path);
-                line_join_e join=stroke_.get_line_join();
-                if ( join == MITER_JOIN)
-                    stroke.generator().line_join(agg::miter_join);
-                else if( join == MITER_REVERT_JOIN)
-                    stroke.generator().line_join(agg::miter_join);
-                else if( join == ROUND_JOIN)
-                    stroke.generator().line_join(agg::round_join);
-                else
-                    stroke.generator().line_join(agg::bevel_join);
-
-                line_cap_e cap=stroke_.get_line_cap();
-                if (cap == BUTT_CAP)
-                    stroke.generator().line_cap(agg::butt_cap);
-                else if (cap == SQUARE_CAP)
-                    stroke.generator().line_cap(agg::square_cap);
-                else
-                    stroke.generator().line_cap(agg::round_cap);
-
-                stroke.generator().miter_limit(stroke_.get_miterlimit());
-                stroke.generator().width(stroke_.get_width() * scale_factor_);
-                ras_ptr->add_path(stroke);
-            }
+            converter.apply(geom);
         }
     }
 
diff --git a/tests/python_tests/render_grid_test.py b/tests/python_tests/render_grid_test.py
index acc906a21..575717660 100644
--- a/tests/python_tests/render_grid_test.py
+++ b/tests/python_tests/render_grid_test.py
@@ -243,5 +243,37 @@ def test_id_zero():
     utf1 = grid.encode('utf',resolution=4)
     eq_(utf1['keys'],['0'])
 
+line_expected = {"keys": ["", "1"], "data": {"1": {"Name": "1"}}, "grid": ["                                                               !", "                                                            !!  ", "                                                         !!     ", "                                                      !!        ", "                                                   !!           ", "                                                !!              ", "                                             !!                 ", "                                          !!                    ", "                                       !!                       ", "                                    !!                          ", "                                 !!                             ", "                              !!                                ", "                           !!                                   ", "                        !!                                      ", "                     !!                                         ", "                  !!                                            ", "               !!                                               ", "            !!                                                  ", "         !!                                                     ", "      !!                                                        ", "   !!                                                           ", "!!                                                              ", " !                                                              ", "  !                                                             ", "   !                                                            ", "    !                                                           ", "     !                                                          ", "      !                                                         ", "       !                                                        ", "        !                                                       ", "         !                                                      ", "          !                                                     ", "           !                                                    ", "            !                                                   ", "             !                                                  ", "              !                                                 ", "               !                                                ", "                !                                               ", "                 !                                              ", "                  !                                             ", "                   !                                            ", "                    !                                           ", "                     !                                          ", "                      !                                         ", "                       !                                        ", "                        !                                       ", "                         !                                      ", "                          !                                     ", "                           !                                    ", "                            !                                   ", "                             !                                  ", "                              !                                 ", "                               !                                ", "                                !                               ", "                                 !                              ", "                                  !                             ", "                                   !                            ", "                                    !                           ", "                                     !                          ", "                                      !                         ", "                                       !                        ", "                                        !                       ", "                                         !                      ", "                                          !                     "]}
+
+def test_line_rendering():
+    ds = mapnik.MemoryDatasource()
+    context = mapnik.Context()
+    context.push('Name')
+    pixel_key = 1
+    f = mapnik.Feature(context,pixel_key)
+    f['Name'] = str(pixel_key)
+    f.add_geometries_from_wkt('LINESTRING (30 10, 10 30, 40 40)')
+    ds.add_feature(f)
+    s = mapnik.Style()
+    r = mapnik.Rule()
+    symb = mapnik.LineSymbolizer()
+    r.symbols.append(symb)
+    s.rules.append(r)
+    lyr = mapnik.Layer('Places')
+    lyr.datasource = ds
+    lyr.styles.append('places_labels')
+    width,height = 256,256
+    m = mapnik.Map(width,height)
+    m.append_style('places_labels',s)
+    m.layers.append(lyr)
+    m.zoom_all()
+    #mapnik.render_to_file(m,'test.png')
+    grid = mapnik.Grid(m.width,m.height,key='__id__')
+    mapnik.render_layer(m,grid,layer=0,fields=['__id__','Name'])
+    utf1 = grid.encode()
+    eq_(utf1,line_expected,show_grids('line',utf1,line_expected))
+    #open('test.json','w').write(json.dumps(grid.encode()))
+
+
 if __name__ == "__main__":
     [eval(run)() for run in dir() if 'test_' in run]