[OpenLayers-Dev] PNG - AGG image, opacity and IE7

[Pierre GIRAUD]

Is your image displayed correctly by IE7 if you try to show it alone
in your browser (with a background color) ?
Can you send us a example of generated image ? And a screenshot of the
unexpected behavior ?

Regards,
Pierre


On Fri, Jul 18, 2008 at 9:45 AM, Guillaume Sueur
<guillaume.sueur at neogeo-online.net> wrote:
>
>
> Kenneth Skovhede, GEOGRAF A/S a écrit :
>> I have seen this as well. It happens whenever you set the "alpha" value
>> in IE7.
>> It even happens if the value is set to 1.0, but a fix in OpenLayers 2.6
>> removes
>> the "alpha" value if the opacity value is greater than 1.0.
>> (OpenLayers.Util.modifyDOMElement line 191).
>>
>> I'm fairly sure its an IE bug.
>
>
> So am I ! Just wanted to kown if a kind of workaround was possible.
>
> Guillaume
>
>
>>
>> Regards, Kenneth Skovhede, GEOGRAF A/S
>>
>>
>>
>> Guillaume Sueur skrev:
>>> no, mapserver, but it's a typical client problem.
>>> when the polygon is filled, it looks quite ok, because only the outline
>>> border is wrong, but with lines and labels, whaouh, so crap !
>>> when opacity is 1 or format is standard PNG, the problem doesn't show up.
>>>
>>> Guillaume
>>>
>>> Zac Spitzer a écrit :
>>>
>>>> was this using mapguide? I have seen similiar problems
>>>>
>>>> On Fri, Jul 18, 2008 at 12:11 AM, Guillaume Sueur
>>>> <guillaume.sueur at neogeo-online.net> wrote:
>>>>
>>>>> Hi devs,
>>>>>
>>>>> When displaying a WMS layer (AGG image) with some transparency on IE7,
>>>>> it shows ugly grey pixels surrounding the borders. I guess it comes from
>>>>> a mishandling of the antialiased pixels from AGG. Any trick to hold that ?
>>>>>
>>>>> Thanks
>>>>>
>>>>> Guillaume
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