pixmap transparency

[Bart van den Eijnden (OSGIS)]

> I've added a TRANSPARENT ON to the OUTPUTFORMAT. Then the white pixels
> around the bullet are grey but not transparent at all.

Are you using IE to view? IE has a bug with transparent 24-bit PNG's which makes them come out gray. Check in Firefox.

Best regards,
Bart

Didrik Pinte wrote:

>Le vendredi 19 mai 2006 à 18:26 +0200, Didrik Pinte a écrit :
>  
>
>>My pixmap is a little bullet. It's red and the color palette shows no
>>white at all when displayed in the Gimp. 
>>
>>I've seen i can define a TRANSPARENT attribute to my SYMBOL giving a
>>index of the color palette that won't be shown.
>>
>>In this case, there is no white in the color palette but all the
>>transparent part of the gif file appears white when rendered in the map.
>>
>>I've googled a lot and read the different howto's on symbology but did
>>not found any interesting hints.
>>
>>Do someone here have a great idea to solve the problem ?
>>
>>Thanks
>>
>>Didrik
>>    
>>
>
>I've tested lots of things but this pixmap transparency does not seem to
>work.
>
>My outputformat is PNG24.
>
>I've replaced the transparent pixels of my gif file with white (adding
>the white color to the color palette of the file). Then I added
>TRANSPARENT attribute to the symbol. But it's still visible.
>
>I've tried with PNG file type for the symbol. Still not working
>
>I've added a TRANSPARENT ON to the OUTPUTFORMAT. Then the white pixels
>around the bullet are grey but not transparent at all.
>
>...
>
>What's the next step ? Using only squared symbols ? 
>
>Didrik
>  
>


-- 
Bart van den Eijnden
OSGIS, Open Source GIS
http://www.osgis.nl