Jukka, All these links work well !
But I still have problem when I connect the WMS from the client ArcGIS and QGis: only PNG is available in the 'bad' computer ! I could try with OpenJump but I am quite sure the problem will be the same. Thanks for your help... Vincent Rahkonen Jukka a écrit : > Hi, > > Forget the WMS clients for a while and send WMS requests from your browser so > you can have more control on what really happens. > > This should return quite a sharp jpeg image: > http://oriondata.homedns.org:8542/cgi-bin/mapserv_jpeg?REQUEST=GetMap&SERVICE=WMS&VERSION=1.1.1&WIDTH=663&HEIGHT=536&LAYERS=mascara&TRANSPARENT=TRUE&FORMAT=image%2Fjpeg&BBOX=477741.3106567791,5339772.595359228,479456.0484341582,5341158.869037471&SRS=EPSG:32719&STYLES= > > This one not so beautiful 8-bit png: > http://oriondata.homedns.org:8542/cgi-bin/mapserv_jpeg?REQUEST=GetMap&SERVICE=WMS&VERSION=1.1.1&WIDTH=663&HEIGHT=536&LAYERS=mascara&TRANSPARENT=TRUE&FORMAT=image%2Fpng&BBOX=477741.3106567791,5339772.595359228,479456.0484341582,5341158.869037471&SRS=EPSG:32719&STYLES= > > And finally this a top-quality but large 24-bit png: > http://oriondata.homedns.org:8542/cgi-bin/mapserv_jpeg?REQUEST=GetMap&SERVICE=WMS&VERSION=1.1.1&WIDTH=663&HEIGHT=536&LAYERS=mascara&TRANSPARENT=TRUE&FORMAT=image%2Fpng%3B+mode%3D24bit&BBOX=477741.3106567791,5339772.595359228,479456.0484341582,5341158.869037471&SRS=EPSG:32719&STYLES= > > I believe this is somehow related to your WMS clients and not to hardware. I > tried your service with OpenJUMP and Windows Vista and for me all the formats > I tried (jpeg, gif, 8-bit png and 24-bit png) are OK. Less colours in 8-bit > formats is a fact and not an issue. > > I see you have set image extension to "jpeg". I cannot see anything wrong > with that but have a try with "jpg" anyway. > > -Jukka Rahkonen- > > > Vincent Blanqué wrote: > > Hi, > > It appears that you are right, the client only allows loading PNG > format. I tested with Arcgis and QGis in the 'bad' computer only PNG > format is available, BUT in the 'good', PNG, JPEG, PNG and TIFF are > available for the same WMS url: > http://oriondata.homedns.org:8542/cgi-bin/mapserv_jpeg? > > Do you have any explanation to this strange behaviour ? > > In the 'bad' computer, the grafical card is: NVDIA GForce 7050 PV/630A > in the 'good' one: ATI Radeon HD 2600... The issue could be relative to > the kind of graphical card ? > > Thx, > > Vincent > > > > Rahkonen Jukka a écrit : >> Hi, >> >> I strongly believe that Mapserver is sending identical jpegs to all your >> computers and the reason is somewhere in the WMS client side. That does not >> mean that everything is OK and you should just suffer. >> >> Investigate the jpeg files that Mapserver is sending by saving some samples >> on disk. Open saved images with image processing software and have a look >> at image information. Are images technically identical on each computer? If >> they are then there must be some differencies in your WMS clients or their >> settings. >> >> My guess is that the bad jpeg is not a jpeg at all but your WMS client is >> asking for 8-bit png or gif. >> >> -Jukka Rahkonen- >> >> Vincent Blanqué wrote: >> >> >>> Hi, >>> >>> I have a problem with a WMS service in JPEG format. With >>> various computers, I have a bad rendering of the JPEG tiles >>> while with another rendering is perfect. You can watch >>> screenshots joint to understand better the issue. >>> >>> My mapfile is written like: >>> >>> IMAGEQUALITY 95 >>> IMAGETYPE jpeg >>> >>> OUTPUTFORMAT >>> NAME jpeg >>> DRIVER 'GD/JPEG' >>> MIMETYPE 'image/jpeg' >>> IMAGEMODE RGB >>> EXTENSION 'jpeg' >>> END >>> >>> If you have any solution ? >>> >>> Thanks, >>> >>> Vincent >>> >>> >>> > > > >
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