--- 
+++ 
@@ -1,7 +1,26 @@
-Requirement:
-aptitude install python3-{psycopg2,matplotlib,sqlalchemy}
+Debian packages requirements:
+aptitude install graphviz python3-{psycopg2,matplotlib,sqlalchemy}
+
+Download Pygal (https://github.com/Kozea/pygal.git)
 
 Run:
-./main.py mysql://username:password@host/database | dot -Tpng -o output.png
+Eventually use the PYTHONPATH variable to use Pygal:
+
+::
+
+    $ export PYTHONPATH=/path/to/pygal/
+
+Then run the script:
+
+::
+
+    $ ./main.py mysql://username:password@host/database
+
 or
-./main.py postgresql://username:password@host/database | neato -Tpng -o output.png
+
+::
+
+    $ ./main.py postgresql://username:password@host/database
+
+
+The output will be available in the db_annotate/ directory under the current working directory.

--- 
+++ 
@@ -1,6 +1,10 @@
 from collections import OrderedDict
 import copy
 import os
+
+from pygal import Pie, Config
+from pygal.style import SolidColorStyle
+
 
 from matplotlib import colors
 from matplotlib.cm import get_cmap, ScalarMappable
@@ -60,9 +64,16 @@
         self.total_size = {}
         self.lines_count_size = {}
         self.mean_lines_size = {}
+        self.pygal_config = Config()
+        self.pygal_config.human_readable = True
+        self.pygal_config.show_legend = True
+        self.pygal_config.show_values = True
+        self.pygal_config.style = SolidColorStyle
+        self.pygal_config.truncate_labels = 9999999
+        self.pygal_config.truncate_legend = 9999999
 
     def _get_filename(self, base, n):
-        return os.path.join(OUTPUT_DIR, '%s-%i.png' % (base, n))
+        return os.path.join(OUTPUT_DIR, '%s-%i.svg' % (base, n))
 
     def add_table(self, table, sizes):
         sizes = [int(s) for s in sizes[2:]]
@@ -76,11 +87,11 @@
             self.mean_lines_size[table] = sizes[1] / float(sizes[2])
 
     def _render_pie(self, values, labels, _colors, title, filename):
-        fig = figure(figsize=self.FIG_SIZE)
-        axis = fig.add_axes([self.PIE_SIZE / 2.0, self.PIE_SIZE / 2.0, self.PIE_SIZE, self.PIE_SIZE])
-        axis.pie(values, labels=labels, colors=_colors)
-        axis.set_title(title)
-        savefig(filename)
+        pie_chart = Pie(config=self.pygal_config)
+        pie_chart.title = title
+        for label, val in zip(labels, values):
+            pie_chart.add(label, val)
+        pie_chart.render_to_file(filename)
 
     def render(self):
         _colors = ScalarMappable(norm=colors.Normalize(vmin=0, vmax=TOP_N_VALUES + 0.5), cmap=get_cmap('jet'))

--- 
+++ 
@@ -8,9 +8,7 @@
     def render(self, gv_file):
         if self.exists():
             return
-        print('loading gv:', gv_file)
         cmd = ['dot', '-Tpng', '-o', self.filename, gv_file]
-        print('Running cmd:', cmd)
 
         try:
             output = subprocess.check_output(cmd)

--- 
+++ 
@@ -22,6 +22,6 @@
         self.write(HTML_BODY % self.filename)
         for obj in objects:
             obj['url'] = os.path.basename(obj['filename'])
-            self.write('<h1>%s</h1><img src="%s"></img>'
-                    % (obj['title'], obj['url']))
+            self.write('<figure><embed type="image/svg+xml" src="%s" width="50%%" height="50%%"/></figure>'
+                    % obj['url'])
         self.write(HTML_FOOTER)