[Chameleon] map image not placed correctly

[Paul Spencer]

Although if you look at the source of their page, they use an absolutely 
positioned div.  Remember that we are attempting to provide a placeable 
map image anywhere on the page for any given template, regardless of the 
HTML that the user uses around the widget.  This is somewhat more 
complex than having a single application.

Cheers,

Paul

Bart van den Eijnden wrote:

> Hi Paul,
> 
> if you look at Intergraph's WMS viewer 
> (http://www.wmsviewer.com/main.asp) you can see they do not have the 
> problem.
> 
> Although because they do not have a marquee and they have a white 
> background the problem would be less evident in their case, and less 
> easy to notice.
> 
> So there must be some kind of solution, likely easier than the new 
> solution you are suggesting.
> 
> Best regards,
> Bart
> 
> On Thu, 08 Jan 2004 17:00:52 -0500, Paul Spencer <pagameba@magma.ca> wrote:
> 
>> Bart,
>>
>> I think it is a similar problem in all browsers but due to the 
>> differences in how the pages are laid out by the browser (i.e. the 
>> order that things happen) it is not always apparent.  IE seems to be 
>> the worst because it is the most accomodating and will allow the page 
>> to finish loading without knowing the sizes of images because it can 
>> move things around after the page has loaded.
>>
>> I am actually thinking of a new solution to this that would embed the 
>> image in the page rather than on a layer.  The only reason to have it 
>> on a layer right now is to support the dynamic drag pan of the image.  
>> I think that the drag pan widget can create it's own layer and 
>> position it at the right position with a copy of the map image at the 
>> time the tool is selected.  The only downside to this is that the map 
>> image is not currently stored on disk ... and I don't want to trigger 
>> two draws of the map image if I can help it.
>>
>> Anyway, food for thought.
>>
>> Cheers,
>>
>> Paul
>>
>> Bart van den Eijnden wrote:
>>
>>> Hi Paul, JF,
>>>
>>> I am not totally convinced this is solely an IE bug.
>>>
>>> I have also seen this happen in Opera.
>>>
>>> Also, when putting Mozilla Firebird in fullscreen mode (F11), the 
>>> same thing happens.
>>>
>>> Is there already a bugzilla entry for this?
>>>
>>> Best regards,
>>> Bart
>>>
>>> On Thu, 08 Jan 2004 13:00:04 -0500, Paul Spencer <pagameba@magma.ca> 
>>> wrote:
>>>
>>>> Bart
>>>>
>>>> JF has summed it up correctly AFAIK.  I don't think there is a quick 
>>>> fix, but you can check the source of your page for IMG tags that 
>>>> don't have a width/height and if those are coming from widgets then 
>>>> let me know and I will try to fix them asap for you.  But I don't 
>>>> know if this will actually correct the problem entirely.
>>>>
>>>> Cheers,
>>>>
>>>> Paul
>>>>
>>>> Jean-Francois.Doyon@ccrs.nrcan.gc.ca wrote:
>>>>
>>>>> Bart,
>>>>>
>>>>> That's an IE bug related to it's rendering engine. The basic 
>>>>> problem is that
>>>>> IE sometimes positions things before having all necessary 
>>>>> information ... So
>>>>> it trips over itself and renders elements in the wrong place, 
>>>>> because it
>>>>> renders/places it TOO early.
>>>>>
>>>>> We too have noticed it and will hopefully be working with DM to get 
>>>>> this
>>>>> fixed.  I've run into this same bug in different circumstances 
>>>>> myself, where
>>>>> images inside tables that don't have a width/height specified in 
>>>>> the IMG
>>>>> element sometimes get badly positioned.
>>>>>
>>>>> In this case the problem is slightly more complicated I believe, 
>>>>> Paul can
>>>>> explain further :)
>>>>>
>>>>> J.F.
>>>>>
>>>>> -----Original Message-----
>>>>> From: chameleon-admin@lists.maptools.org
>>>>> [mailto:chameleon-admin@lists.maptools.org]On Behalf Of
>>>>> bartvde@xs4all.nl
>>>>> Sent: Thursday, January 08, 2004 11:53 AM
>>>>> To: chameleon@lists.maptools.org
>>>>> Subject: [Chameleon] map image not placed correctly
>>>>>
>>>>>
>>>>> Hi list,
>>>>>
>>>>> does anybody know what is causing the map image to be displaced the 
>>>>> first
>>>>> time a Chameleon page is loaded?
>>>>>
>>>>> The border is placed correctly, but the map image is mostly around 50
>>>>> pixels down from the border and a bit to the right.
>>>>>
>>>>> After a zoom action, this corrects itself.
>>>>>
>>>>> Any quick and dirty solution for this?
>>>>>
>>>>> Best regards,
>>>>> Bart
>>>>> _______________________________________________
>>>>> Chameleon mailing list
>>>>> Chameleon@lists.maptools.org
>>>>> http://lists.maptools.org/mailman/listinfo/chameleon
>>>>> _______________________________________________
>>>>> Chameleon mailing list
>>>>> Chameleon@lists.maptools.org
>>>>> http://lists.maptools.org/mailman/listinfo/chameleon
>>>>>
>>>>
>>>
>>>
>>>
>>
> 
> 
> 

-- 
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|Paul Spencer                           spencer@dmsolutions.ca    |
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|Applications & Software Development                              |
|DM Solutions Group Inc                 http://www.dmsolutions.ca/|
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