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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>You might try changing the png bit from 8 to 24 to 32.&nbsp; IE might handle the alpha transparency in each of those with varying results.&nbsp; <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Another trick might be to set the transparency of the layer&#8230;see links below.&nbsp; Not sure how those solutions translate to Geomoose configuration settings.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>This is an issue with the IE web browser.&nbsp; As you pointed out, the image is rendered correctly from your mapserver and can be viewed correctly using other browsers and image viewers, even IE as long as the image is by itself (alpha transparency is not involved).<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I have IE v8 here.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://stackoverflow.com/questions/1004973/how-to-maintain-png-alpha-transparency-when-using-ms-filter-property">http://stackoverflow.com/questions/1004973/how-to-maintain-png-alpha-transparency-when-using-ms-filter-property</a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://stackoverflow.com/questions/667286/ie8s-rendering-of-transparent-pngs-is-fubared-on-my-site">http://stackoverflow.com/questions/667286/ie8s-rendering-of-transparent-pngs-is-fubared-on-my-site</a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> geomoose-users-bounces@lists.osgeo.org [mailto:geomoose-users-bounces@lists.osgeo.org] <b>On Behalf Of </b>Bistrais, Bob<br><b>Sent:</b> Wednesday, October 19, 2011 4:02 PM<br><b>To:</b> geomoose-users@lists.osgeo.org<br><b>Subject:</b> [Geomoose-users] Poor quality WMS display in IE<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I&#8217;m using a WMS service of our base data in a GeoMoose application.&nbsp; The WMS is at MapServer 6.0.1 with a PNG output type.&nbsp; My GeoMoose installation is the Oregon variant 2.2 (MapServer 5.6?).<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>This service looks poor in the application when in Internet Explorer (version 8), but looks great in Firefox, Chrome, and Safari.&nbsp; The WMS also looks fine in ArcGIS, and also in IE with a simple WMS GetMap request. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Right now, the WMS service and my app are on our test server, which you should be able to look at.&nbsp; I will give you the caveat that the application is still being built and many controls are not yet working, but if anyone wants to take a look, here are the URLs:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>WMS Service:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><a href="http://mapservertest.maine.gov/wms/mapserv.exe?map=c:/wms/basemapNew.map&amp;SERVICE=WMS&amp;">http://mapservertest.maine.gov/wms/mapserv.exe?map=c:/wms/basemapNew.map&amp;SERVICE=WMS&amp;</a> &nbsp;&nbsp;&nbsp;&nbsp;-WMS version 1.1.1<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Here is the URL for the simple WMS request I tried, and looks OK in IE:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><a href="http://mapservertest.maine.gov/wms/mapserv.exe?map=c:/wms/basemapNew.map&amp;SERVICE=wms&amp;version=1.1.1&amp;request=GetMap&amp;layers=towns24_poly,Roads,Hydrography&amp;BBOX=437700,4907800,439030,4909100&amp;SRS=EPSG:26919&amp;FORMAT=image/png&amp;width=800&amp;height=600">http://mapservertest.maine.gov/wms/mapserv.exe?map=c:/wms/basemapNew.map&amp;SERVICE=wms&amp;version=1.1.1&amp;request=GetMap&amp;layers=towns24_poly,Roads,Hydrography&amp;BBOX=437700,4907800,439030,4909100&amp;SRS=EPSG:26919&amp;FORMAT=image/png&amp;width=800&amp;height=600</a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>GeoMoose Application:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><a href="http://mapservergeotest.maine.gov/broadband/index.html">http://mapservergeotest.maine.gov/broadband/index.html#</a>&nbsp;&nbsp; -Zoom in on a town and you will see poor graphic quality in IE, but looks good in other browsers.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>But what could be causing the poor display only with IE?&nbsp; Could it be OpenLayers causing the problem?&nbsp; Other ideas?&nbsp; Has anyone else had this experience?&nbsp; Is there some setting on IE that I need to adjust?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Bob<o:p></o:p></span></p></div></body></html>