[mapserver-users] Re: [UMN_MAPSERVER-USERS] Problem: ANGLEITEM and TRANSPARENT

[Oliver Wesp]

Dear List,

I'm facing the same problems adressed in the messages below regarding
the transpareny of pixmap symbols. Pixmap symbols lose their
transparency after rotation or resizing with ANGLE
 or SIZE parameter. I'm working with mapserver 5.4.0 and gd 2.0.32. Is
anybody aware of this problem? Was this fixed with later versions of
GD? Any help is appreciated.

best regards,
Oliver

On Wed, May 31, 2006 at 4:04 PM, Steve Lime <Steve.Lime at dnr.state.mn.us>wrote:

> As a follow up. The patch was not as complete as I hoped. I worked on the
> problem until late last night but did not end up committing anything- still
> working on it though.
>
> Steve
>
> >>> Steve Lime <Steve.Lime at DNR.STATE.MN.US> 05/30/06 1:01 PM >>>
> Christian: The problem seems to be in GD. Transparency is lost after
> rotation and I've tried a variety of methods
> to rebuild it post rotation and it simply doesn't work. That said, the
> folks have MapMedia have submitted a new
> image rotation function that should fix the issue and some others with
> resampling method. I need to integrate
> that into the development version for testing. I will do that tonite...
>
> Steve
>
> >>> Christian Wilmes <C.Wilmes at GMX.DE> 5/30/2006 8:11:39 AM >>>
> Hi All,
>
> I'm trying to visualize point-data with the mapserver. As symbol I'm using
> a transparent PIXMAP. Now I want to use ANGLEITEM in the STYLE-Object,
> ANGLEITEM itself is working fine, but using it causes the lost of the
> transperency. Instead of the parameter TRANSPARNZ in the SYMBOL-Object I
> also tried it with a gif and a png which has already a transparent
> background. The result is the same, without ANGLEITEM it works fine but
> without it doesn't.
>
> Does anybody have an idea how to fix that problem?
>
> Best Regards
> Christian
> --
>
>
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>
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