[ka-Map-users] PNG transparency in IE - some conclusions
eshabtai at gmail.com
Fri Apr 28 02:52:35 EDT 2006
I think these changes should be merged to CVS. They only affect layers
with "imageformat = alpha", so I don't expect any regressions.
Paul, what do you think?
Pedro, how do you change the layer opacity? Through the map file?
On 4/28/06, Pedro Garcia <pedro.gspace at gmail.com> wrote:
> Congratulations!!! PNG24 transparency is working in IE!!!
> I tested in:
> * Windows XP SP2
> * IE 6.0
> * Firefox 1.5
> * ka-Map latest CVS version
> I tested with a map with 2 layers:
> 1) A Ikonos raster image with 4m pixel resolution;
> 2) A vector polygonal layer with labels and two
> metadata info, as you can see:
> NAME "shpBairros"
> GROUP "Bairros"
> STATUS ON
> DATA "/ms4w/apps/MapaVix/Shapes/Bairros.shp"
> TYPE POLYGON
> UNITS METERS
> SIZEUNITS PIXELS
> LABELITEM "Text"
> TOLERANCE 0
> TOLERANCEUNITS PIXELS
> "imageformat" "ALPHA"
> "opacity" "80"
> OBS: The full mapfile is attached.
> I can test it in Windows 2000 late.
> Take a long time to translate your diffs to my local copy
> to test it, so I'm attaching the modified files so others
> can test it more easily.
> But I found a problem: when I try to change the vector layer
> transparency, the layer disappears, but if I turn of, and turn
> on after, the layer appears again. But I think you're going
> in the right direction to the solution. Congratulations again,
> with your code whe are next to solve the most critical
> issue in ka-Map portability in my opinion.
> I'm attached 2 sreenshots, 1 with Firefox and other with IE,
> and you can see clearly the transparency.
> Pedro Garcia.
> 2006/4/11, Ehud Shabtai <eshabtai at gmail.com>:
> I can't reproduce it.
> I'm using IE 6.0 which version do you use?
> On 4/11/06, Delfos, Jacob <jacob.delfos at maunsell.com> wrote:
> > Ehud,
> > During panning, the whole map sometimes turns black. As soon as I let go
> > of the mouse, it becomes normal again. Sometimes if I let go of the
> > mouse before it turns black, it becomes black once it finishes loading,
> > and turns normal when I press the mouse down.
> > Also, when turning the satellite image off, and then on again, the
> > entire page turns black once it has finished loading (see attached
> > screenshot). This only happens in IE. Is it to do with the application
> > of the PNG-hack?
> > Regards,
> > Jacob
> > > -----Original Message-----
> > > From: ka-map-users-bounces at lists.maptools.org
> > > [mailto:ka-map-users-bounces at lists.maptools.org] On
> Behalf Of
> > > Ehud Shabtai
> > > Sent: 11 April 2006 14:57
> > > To: Shoaib Burq
> > > Cc: ka-Map-users at lists.maptools.org
> > > Subject: Re: [ka-Map-users] PNG transparency in IE - some conclusions
> > >
> Ehud Shabtai
> ka-Map-users mailing list
> ka-Map-users at lists.maptools.org
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