diff --git a/lib/OpenLayers/Format/Context.js b/lib/OpenLayers/Format/Context.js
index 88b0edebbf..26e875e386 100644
--- a/lib/OpenLayers/Format/Context.js
+++ b/lib/OpenLayers/Format/Context.js
@@ -269,9 +269,14 @@ OpenLayers.Format.Context = OpenLayers.Class({
      */
     contextToMap: function(context, options) {
         options = OpenLayers.Util.applyDefaults({
-            maxExtent: context.maxExtent,
-            projection: context.projection
+            maxExtent:  context.maxExtent,
+            projection: context.projection,
+            units:      context.units
         }, options);
+        if (options.maxExtent) {
+            options.maxResolution = 
+                options.maxExtent.getWidth() / OpenLayers.Map.TILE_WIDTH;
+        }
         var map = new OpenLayers.Map(options);
         map.addLayers(this.getLayersFromContext(context.layersContext));
         map.setCenter(
diff --git a/tests/Format/WMC.html b/tests/Format/WMC.html
index 33a7a34cf3..4608ed3fc0 100644
--- a/tests/Format/WMC.html
+++ b/tests/Format/WMC.html
@@ -5,9 +5,10 @@
 
     var v1_0_0 = '<ViewContext xmlns="http://www.opengis.net/context" version="1.0.0" id="OpenLayers_Context_233" xsi:schemaLocation="http://www.opengis.net/context http://schemas.opengis.net/context/1.0.0/context.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><General><Window width="512" height="256"/><BoundingBox minx="-109.9709708" miny="27.01451459" maxx="-80.02902918" maxy="41.98548541" SRS="EPSG:4326"/><Title/><Extension><ol:maxExtent xmlns:ol="http://openlayers.org/context" minx="-130.0000000" miny="14.00000000" maxx="-60.00000000" maxy="55.00000000"/></Extension></General><LayerList><Layer queryable="1" hidden="0"><Server service="OGC:WMS" version="1.1.1"><OnlineResource xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://t1.hypercube.telascience.org/cgi-bin/landsat7"/></Server><Name>landsat7</Name><Title>NASA Global Mosaic</Title><FormatList><Format current="1">image/jpeg</Format></FormatList><StyleList><Style current="1"><Name/><Title>Default</Title></Style></StyleList><Extension><ol:maxExtent xmlns:ol="http://openlayers.org/context" minx="-130.0000000" miny="14.00000000" maxx="-60.00000000" maxy="55.00000000"/><ol:numZoomLevels xmlns:ol="http://openlayers.org/context">4</ol:numZoomLevels><ol:units xmlns:ol="http://openlayers.org/context">degrees</ol:units><ol:isBaseLayer xmlns:ol="http://openlayers.org/context">true</ol:isBaseLayer><ol:displayInLayerSwitcher xmlns:ol="http://openlayers.org/context">true</ol:displayInLayerSwitcher><ol:singleTile xmlns:ol="http://openlayers.org/context">false</ol:singleTile><ol:tileSize xmlns:ol="http://openlayers.org/context" width="512" height="1024"/></Extension></Layer><Layer queryable="1" hidden="1"><Server service="OGC:WMS" version="1.1.1"><OnlineResource xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://labs.metacarta.com/wms/vmap0"/></Server><Name>basic</Name><Title>OpenLayers WMS</Title><FormatList><Format current="1">image/jpeg</Format></FormatList><StyleList><Style current="1"><Name/><Title>Default</Title></Style></StyleList><Extension><ol:maxExtent xmlns:ol="http://openlayers.org/context" minx="-130.0000000" miny="14.00000000" maxx="-60.00000000" maxy="55.00000000"/><ol:numZoomLevels xmlns:ol="http://openlayers.org/context">4</ol:numZoomLevels><ol:units xmlns:ol="http://openlayers.org/context">degrees</ol:units><ol:isBaseLayer xmlns:ol="http://openlayers.org/context">true</ol:isBaseLayer><ol:displayInLayerSwitcher xmlns:ol="http://openlayers.org/context">true</ol:displayInLayerSwitcher><ol:singleTile xmlns:ol="http://openlayers.org/context">false</ol:singleTile></Extension></Layer><Layer queryable="1" hidden="0"><Server service="OGC:WMS" version="1.1.1"><OnlineResource xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://lioapp.lrc.gov.on.ca/cubeserv/cubeserv.pl"/></Server><Name>na_road:CCRS</Name><Title>Transportation Network</Title><FormatList><Format current="1">image/png</Format></FormatList><StyleList><Style current="1"><Name/><Title>Default</Title></Style></StyleList><Extension><ol:maxExtent xmlns:ol="http://openlayers.org/context" minx="-166.5320000" miny="4.050460000" maxx="-0.2068180000" maxy="70.28700000"/><ol:transparent xmlns:ol="http://openlayers.org/context">TRUE</ol:transparent><ol:numZoomLevels xmlns:ol="http://openlayers.org/context">4</ol:numZoomLevels><ol:units xmlns:ol="http://openlayers.org/context">degrees</ol:units><ol:isBaseLayer xmlns:ol="http://openlayers.org/context">false</ol:isBaseLayer><ol:opacity xmlns:ol="http://openlayers.org/context">0.6</ol:opacity><ol:displayInLayerSwitcher xmlns:ol="http://openlayers.org/context">false</ol:displayInLayerSwitcher><ol:singleTile xmlns:ol="http://openlayers.org/context">false</ol:singleTile></Extension></Layer><Layer queryable="1" hidden="0"><Server service="OGC:WMS" version="1.1.1"><OnlineResource xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://columbo.nrlssc.navy.mil/ogcwms/servlet/WMSServlet/AccuWeather_Maps.wms"/></Server><Name>3:1</Name><Title>Radar 3:1</Title><FormatList><Format current="1">image/png</Format></FormatList><StyleList><Style current="1"><Name/><Title>Default</Title></Style></StyleList><Extension><ol:maxExtent xmlns:ol="http://openlayers.org/context" minx="-131.0294952" miny="14.56289673" maxx="-61.02950287" maxy="54.56289673"/><ol:transparent xmlns:ol="http://openlayers.org/context">TRUE</ol:transparent><ol:numZoomLevels xmlns:ol="http://openlayers.org/context">4</ol:numZoomLevels><ol:units xmlns:ol="http://openlayers.org/context">degrees</ol:units><ol:isBaseLayer xmlns:ol="http://openlayers.org/context">false</ol:isBaseLayer><ol:opacity xmlns:ol="http://openlayers.org/context">0.8</ol:opacity><ol:displayInLayerSwitcher xmlns:ol="http://openlayers.org/context">false</ol:displayInLayerSwitcher><ol:singleTile xmlns:ol="http://openlayers.org/context">true</ol:singleTile></Extension></Layer></LayerList></ViewContext>';
     var v1_1_0 = '<ViewContext xmlns="http://www.opengis.net/context" version="1.1.0" id="OpenLayers_Context_232" xsi:schemaLocation="http://www.opengis.net/context http://schemas.opengis.net/context/1.1.0/context.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><General><Window width="512" height="256"/><BoundingBox minx="-109.9709708" miny="27.01451459" maxx="-80.02902918" maxy="41.98548541" SRS="EPSG:4326"/><Title/><Extension><ol:maxExtent xmlns:ol="http://openlayers.org/context" minx="-130.0000000" miny="14.00000000" maxx="-60.00000000" maxy="55.00000000"/></Extension></General><LayerList><Layer queryable="1" hidden="0"><Server service="OGC:WMS" version="1.1.1"><OnlineResource xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://t1.hypercube.telascience.org/cgi-bin/landsat7"/></Server><Name>landsat7</Name><Title>NASA Global Mosaic</Title><sld:MinScaleDenominator xmlns:sld="http://www.opengis.net/sld">6299645.760</sld:MinScaleDenominator><sld:MaxScaleDenominator xmlns:sld="http://www.opengis.net/sld">31498228.80</sld:MaxScaleDenominator><FormatList><Format current="1">image/jpeg</Format></FormatList><StyleList><Style current="1"><Name/><Title>Default</Title></Style></StyleList><Extension><ol:maxExtent xmlns:ol="http://openlayers.org/context" minx="-130.0000000" miny="14.00000000" maxx="-60.00000000" maxy="55.00000000"/><ol:tileSize xmlns:ol="http://openlayers.org/context" width="512" height="1024"/><ol:numZoomLevels xmlns:ol="http://openlayers.org/context">4</ol:numZoomLevels><ol:units xmlns:ol="http://openlayers.org/context">degrees</ol:units><ol:isBaseLayer xmlns:ol="http://openlayers.org/context">true</ol:isBaseLayer><ol:displayInLayerSwitcher xmlns:ol="http://openlayers.org/context">true</ol:displayInLayerSwitcher><ol:singleTile xmlns:ol="http://openlayers.org/context">false</ol:singleTile></Extension></Layer><Layer queryable="1" hidden="1"><Server service="OGC:WMS" version="1.1.1"><OnlineResource xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://labs.metacarta.com/wms/vmap0"/></Server><Name>basic</Name><Title>OpenLayers WMS</Title><sld:MinScaleDenominator xmlns:sld="http://www.opengis.net/sld">6299645.760</sld:MinScaleDenominator><sld:MaxScaleDenominator xmlns:sld="http://www.opengis.net/sld">31498228.80</sld:MaxScaleDenominator><FormatList><Format current="1">image/jpeg</Format></FormatList><StyleList><Style current="1"><Name/><Title>Default</Title></Style></StyleList><Extension><ol:maxExtent xmlns:ol="http://openlayers.org/context" minx="-130.0000000" miny="14.00000000" maxx="-60.00000000" maxy="55.00000000"/><ol:tileSize xmlns:ol="http://openlayers.org/context" width="512" height="1024"/><ol:numZoomLevels xmlns:ol="http://openlayers.org/context">4</ol:numZoomLevels><ol:units xmlns:ol="http://openlayers.org/context">degrees</ol:units><ol:isBaseLayer xmlns:ol="http://openlayers.org/context">true</ol:isBaseLayer><ol:displayInLayerSwitcher xmlns:ol="http://openlayers.org/context">true</ol:displayInLayerSwitcher><ol:singleTile xmlns:ol="http://openlayers.org/context">false</ol:singleTile></Extension></Layer><Layer queryable="1" hidden="0"><Server service="OGC:WMS" version="1.1.1"><OnlineResource xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://lioapp.lrc.gov.on.ca/cubeserv/cubeserv.pl"/></Server><Name>na_road:CCRS</Name><Title>Transportation Network</Title><sld:MinScaleDenominator xmlns:sld="http://www.opengis.net/sld">6200000.000</sld:MinScaleDenominator><sld:MaxScaleDenominator xmlns:sld="http://www.opengis.net/sld">32000000.00</sld:MaxScaleDenominator><FormatList><Format current="1">image/png</Format></FormatList><StyleList><Style current="1"><Name/><Title>Default</Title></Style></StyleList><Extension><ol:maxExtent xmlns:ol="http://openlayers.org/context" minx="-166.5320000" miny="4.050460000" maxx="-0.2068180000" maxy="70.28700000"/><ol:tileSize xmlns:ol="http://openlayers.org/context" width="512" height="1024"/><ol:transparent xmlns:ol="http://openlayers.org/context">TRUE</ol:transparent><ol:numZoomLevels xmlns:ol="http://openlayers.org/context">4</ol:numZoomLevels><ol:units xmlns:ol="http://openlayers.org/context">degrees</ol:units><ol:isBaseLayer xmlns:ol="http://openlayers.org/context">false</ol:isBaseLayer><ol:opacity xmlns:ol="http://openlayers.org/context">0.6</ol:opacity><ol:displayInLayerSwitcher xmlns:ol="http://openlayers.org/context">false</ol:displayInLayerSwitcher><ol:singleTile xmlns:ol="http://openlayers.org/context">false</ol:singleTile></Extension></Layer><Layer queryable="1" hidden="0"><Server service="OGC:WMS" version="1.1.1"><OnlineResource xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://columbo.nrlssc.navy.mil/ogcwms/servlet/WMSServlet/AccuWeather_Maps.wms"/></Server><Name>3:1</Name><Title>Radar 3:1</Title><sld:MinScaleDenominator xmlns:sld="http://www.opengis.net/sld">6299645.760</sld:MinScaleDenominator><sld:MaxScaleDenominator xmlns:sld="http://www.opengis.net/sld">31498228.80</sld:MaxScaleDenominator><FormatList><Format current="1">image/png</Format></FormatList><StyleList><Style current="1"><Name/><Title>Default</Title></Style></StyleList><Extension><ol:maxExtent xmlns:ol="http://openlayers.org/context" minx="-131.0294952" miny="14.56289673" maxx="-61.02950287" maxy="54.56289673"/><ol:transparent xmlns:ol="http://openlayers.org/context">TRUE</ol:transparent><ol:numZoomLevels xmlns:ol="http://openlayers.org/context">4</ol:numZoomLevels><ol:units xmlns:ol="http://openlayers.org/context">degrees</ol:units><ol:isBaseLayer xmlns:ol="http://openlayers.org/context">false</ol:isBaseLayer><ol:opacity xmlns:ol="http://openlayers.org/context">0.8</ol:opacity><ol:displayInLayerSwitcher xmlns:ol="http://openlayers.org/context">true</ol:displayInLayerSwitcher><ol:singleTile xmlns:ol="http://openlayers.org/context">true</ol:singleTile></Extension></Layer></LayerList></ViewContext>';
+    var polar = '<ViewContext xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:default="http://www.opengis.net/context" xmlns:ol="http://openlayers.org/context" xmlns="http://www.opengis.net/context" xmlns:wms="http://www.opengis.net/wms" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1.0" id="OpenLayers_Context_466" xsi:schemaLocation="http://www.opengis.net/context http://schemas.opengis.net/context/1.1.0/context.xsd"><General><BoundingBox minx="-3000000" miny="-3000000" maxx="7000000" maxy="7000000" SRS="EPSG:32661"/><Title>WMS viewer</Title><Extension><ol:maxExtent minx="-3000000" miny="-3000000" maxx="7000000" maxy="7000000"/><ol:units>m</ol:units></Extension></General><LayerList xmlns="http://www.opengis.net/context"><Layer queryable="0" hidden="0"><Server service="OGC:WMS" version="1.1.1" foo="bar"><OnlineResource xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" xlink:href="http://wms.met.no/maps/northpole.map"/></Server><Name>world</Name><Title>The World</Title><FormatList><Format>image/jpeg</Format><Format current="1">image/png</Format></FormatList></Layer></LayerList></ViewContext>';
 
     function test_Format_WMC_read(t) {
-        t.plan(36);
+        t.plan(37);
 
         var format = new OpenLayers.Format.WMC();        
         var map, layer;
@@ -53,7 +54,7 @@
         map.destroy();
         
         // test v1.1.0
-        var map = format.read(v1_1_0, {map: "map"});
+        map = format.read(v1_1_0, {map: "map"});
         t.eq(map.center.lon.toPrecision(6), (-95).toPrecision(6), "(v1.1.0) map center correctly set");
         t.eq(map.center.lat.toPrecision(6), (34.5).toPrecision(6), "(v1.1.0) map center correctly set");
         t.eq(map.maxExtent.left.toPrecision(6), (-130).toPrecision(6), "(v1.1.0) map maxExtent correctly set");
@@ -91,8 +92,14 @@
              "(v1.1.0) layer opacity correctly set");
         map.destroy();
 
+        // Check if maxResolution is set correctly
+        map = format.read(polar, {map: "map"});
+        t.eq(map.maxResolution, 39062.5,
+             "maxResolution correctly set");
+        map.destroy();
+
         // test mapOptions
-        var map = format.read(v1_1_0, {map: {foo: 'bar', div: 'map'}});
+        map = format.read(v1_1_0, {map: {foo: 'bar', div: 'map'}});
         t.eq(map.foo, "bar",
             "mapOptions correctly passed to the created map object");
         map.destroy();