Hi, Jukka Thank you for your reply, first. However, if I use other format, how can I make the displayed picture clearer, is not there a win-win way ?
On Tue, Nov 17, 2009 at 4:39 PM, Rahkonen Jukka <[email protected]>wrote: > Hi, > > Jpeg problem is due to format itself, jpeg cannot be transparent so it will > not work in the way you want. > > -Jukka Rahkonen- > > ------------------------------ > *Lähettäjä:* [email protected] [mailto: > [email protected]] *Puolesta *??? > *Lähetetty:* 17. marraskuuta 2009 10:15 > *Vastaanottaja:* mapserver-users > *Aihe:* [mapserver-users] outputformat problem in mapfile > > hello all, > I want to display a raster JPEG picture (about 100M) in ka-map through > mapserver. However, when I set the outputformat to PNG or GIF in the > mapfile, it looks ugly when zoomed out. It is a little better to use JPEG, > although it is clear as the origin picture only being zoomed in enough. If I > use JPEG as the output format, there is another problem ---only the layer > above others can be displayed (I want to display all chosen layers). Any > body can help me? Some codes about the raster layer in my mapfile are as > following: > > IMAGETYPE jpeg > OUTPUTFORMAT > NAME jpeg > DRIVER "GD/JPEG" > MIMETYPE "image/jpeg" > IMAGEMODE RGBA > EXTENSION "jpg" > TRANSPARENT on > FORMATOPTION QUALITY=100 #value=0-100 > END > layer > name test > type raster > status on > data "data/20km.jpg" > class > name "outline" > outlinecolor 255 0 0 > end > end > end > BTW, I can not set class name as Chinese characters, otherwise it will > become disorderly codes in ka-map. Any suggestion are welcome. My operating > system is FreeBSD7.1Release, my locale is UTF-8. > > > > > > -- > 天道酬勤 > > -- 天道酬勤
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