[mapserver-users] outputformat problem in mapfile

[王连波]

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
<Jukka.Rahkonen at mmmtike.fi>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:* mapserver-users-bounces at lists.osgeo.org [mailto:
> mapserver-users-bounces at lists.osgeo.org] *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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