diff --git a/micropolar.js b/micropolar.js
index 587cc56..4df04cd 100644
--- a/micropolar.js
+++ b/micropolar.js
@@ -1,4 +1,4 @@
-micropolar = {version: '0.1.0'};
+micropolar = {version: '0.1.0'};
 micropolar.chart = {};
 
 micropolar.chart.RadialAxis = function module() {
@@ -325,7 +325,7 @@ micropolar.chart.PolarAreaChart = function module() {
                         var h = radialScale(d[1]); 
                         var baseW = Math.tan(triangleAngle) * h;
                         return 'M'+[[0, 0], [h, baseW], [h, -baseW]].join('L')+'Z' },
-                    transform: function(d, i){ return 'rotate('+ (axisConfig.originTheta - 90 + (angularScale(i))) +')'}
+                    transform: function(d, i){ return 'rotate('+ (axisConfig.originTheta  + (angularScale(i))) +')'}
                     // transform: function(d, i){ return 'rotate('+ (axisConfig.originTheta - 90 + (angularScale(d[0]))) +')'}
                 })
 
diff --git a/src/area_chart.js b/src/area_chart.js
old mode 100755
new mode 100644
index a67af38..56222e7
--- a/src/area_chart.js
+++ b/src/area_chart.js
@@ -26,7 +26,11 @@ micropolar.AreaChart = function module() {
                         var h = config.radialScale(d[1]); 
                         var baseW = Math.tan(triangleAngle) * h;
                         return 'M'+[[0, 0], [h, baseW], [h, -baseW]].join('L')+'Z' },
+<<<<<<< HEAD:src/polar_area_chart.js
+                    transform: function(d, i){ return 'rotate('+ (axisConfig.originTheta + (angularScale(i))) +')'}
+=======
                     transform: function(d, i){ return 'rotate('+ (config.axisConfig.originTheta - 90 + (config.angularScale(i))) +')'}
+>>>>>>> upstream/master:src/area_chart.js
                     // transform: function(d, i){ return 'rotate('+ (axisConfig.originTheta - 90 + (angularScale(d[0]))) +')'}
                 })
                 .style(markStyle);
diff --git a/src/polar_area_stacked_chart.js b/src/polar_area_stacked_chart.js
new file mode 100644
index 0000000..249b521
--- /dev/null
+++ b/src/polar_area_stacked_chart.js
@@ -0,0 +1,60 @@
+micropolar.chart.PolarAreaStackedChart = function module() {
+  var config = {
+    dotRadius: 5,
+    axis: null,
+    containerSelector: 'body'
+  };
+  var dispatch = d3.dispatch('hover');
+
+  function exports(_datum) {
+    var _datumStacked = d3.nest().key(function (d) { return d[3] }).entries(_datum);
+    _datumStacked.forEach(function (d) {
+      d.values.map(function (val) {
+        val.x = val[0];
+        val.y = +val[1];
+        return val;
+      })
+    });
+
+    var stacked = d3.layout.stack();
+
+    stacked(_datumStacked);
+
+    d3.select(config.containerSelector)
+            .datum(_datumStacked)
+            .each(function (_data, _index) {
+
+              config.axis.config({ containerSelector: this })
+              config.axis(_datum);
+
+              radialScale = config.axis.radialScale();
+              angularScale = config.axis.angularScale();
+              axisConfig = config.axis.config();
+
+              var triangleAngle = (360 / data.length) * Math.PI / 180 / 2;
+
+              var geometryGroup = d3.select(this).select('svg g.geometry');
+
+              var geometry = geometryGroup.selectAll('path.mark')
+                    .data(_data);
+              geometry.enter().append('path').attr({ 'class': 'mark' });
+              geometry.attr({
+                d: function (d, i) {
+                  var h = radialScale(d[1]);
+                  var baseW = Math.tan(triangleAngle) * h;
+                  return 'M' + [[0, 0], [h, baseW], [h, -baseW]].join('L') + 'Z'
+                },
+                transform: function (d, i) { return 'rotate(' + (axisConfig.originTheta + (angularScale(i))) + ')' }
+                // transform: function(d, i){ return 'rotate('+ (axisConfig.originTheta - 90 + (angularScale(d[0]))) +')'}
+              })
+
+            });
+  }
+  exports.config = function (_x) {
+    if (!arguments.length) return config;
+    micropolar._override(_x, config);
+    return this;
+  };
+  d3.rebind(exports, dispatch, 'on');
+  return exports;
+}
\ No newline at end of file
diff --git a/web.config b/web.config
new file mode 100644
index 0000000..0b4280c
--- /dev/null
+++ b/web.config
@@ -0,0 +1,61 @@
+<configuration>
+  <system.webServer>
+
+    <handlers>
+      <!-- indicates that the app.js file is a node.js application to be handled by the iisnode module -->
+      <add name="iisnode" path="server.js" verb="*" modules="iisnode" />
+    </handlers>
+
+    <rewrite>
+      <rules>        
+        <!-- Don't interfere with requests for node-inspector debugging -->
+        <rule name="NodeInspector" patternSyntax="ECMAScript" stopProcessing="true">
+          <match url="^server.js\/debug[\/]?" />
+        </rule>
+
+        <!-- First we consider whether the incoming URL matches a physical file in the /public folder -->
+        <rule name="StaticContent">
+          <action type="Rewrite" url="public{REQUEST_URI}" />
+        </rule>
+
+        <!-- All other URLs are mapped to the Node.js application entry point -->
+        <rule name="DynamicContent">
+          <conditions>
+            <add input="{REQUEST_FILENAME}" matchType="IsFile" negate="True" />
+          </conditions>
+          <action type="Rewrite" url="server.js" />
+        </rule>
+      </rules>
+    </rewrite>
+
+    <!-- You can control how Node is hosted within IIS using the following options -->
+    <!--<iisnode      
+          node_env="%node_env%"
+          nodeProcessCountPerApplication="1"
+          maxConcurrentRequestsPerProcess="1024"
+          maxNamedPipeConnectionRetry="3"
+          namedPipeConnectionRetryDelay="2000"      
+          maxNamedPipeConnectionPoolSize="512"
+          maxNamedPipePooledConnectionAge="30000"
+          asyncCompletionThreadCount="0"
+          initialRequestBufferSize="4096"
+          maxRequestBufferSize="65536"
+          watchedFiles="*.js"
+          uncFileChangesPollingInterval="5000"      
+          gracefulShutdownTimeout="60000"
+          loggingEnabled="true"
+          logDirectoryNameSuffix="logs"
+          debuggingEnabled="true"
+          debuggerPortRange="5058-6058"
+          debuggerPathSegment="debug"
+          maxLogFileSizeInKB="128"
+          appendToExistingLog="false"
+          logFileFlushInterval="5000"
+          devErrorsEnabled="true"
+          flushResponse="false"      
+          enableXFF="false"
+          promoteServerVars=""
+         />-->
+
+  </system.webServer>
+</configuration>