[OpenLayers-Users] Poll: Common pitfalls when using OpenLayers / what annoys you the most?

[Janis Elmeris]

Thanks! :)

Vector rendering is slow only in IE versions <9, when the VML renderer 
is used. SVG and Canvas renderer is working fine for other browsers and, 
I guess, also for IE 9.

Janis

On 2011.08.05. 12:49, Marc Jansen wrote:
> Hi Janis,
>
> thanks for the feedback. I'd put your points under the following 
> headlines:
>
> "Slow vector rendering expecially in IE",
> "Make standard use-cases super-easy (e.g. popups)",
> "Cleanup examples to keep them in sync with the API"
>
> OK?
>
> Best regards,
> Marc
>
>
> On 05.08.2011 10:37, Janis Elmeris wrote:
>> A couple of problems I can think of right now.
>>
>> * The slowness of vector layer in IE without Canvas support (up to 
>> IE8, I guess?).
>>         Zac mentioned performance warnings when adding more than 1000 
>> objects. I get problems with IE7 when adding more than 100 objects. 
>> In my case they are text labels each constructed of two VML elements. 
>> They could theoretically be replaced by DIV elements, but probably 
>> better just wait for people to upgrade their browsers. A workaround 
>> is to measure and control the performance by OL library user script.
>>
>> * The clumsy (not strightforward) way to get a marker (not 
>> necessarily meaning the Marker class here) on a map that display an 
>> info pop-up upon a mouse click.
>>         I've seen many posts where people are asking help on this, 
>> even though it would seem one of the basic features one would want to 
>> do with a map. In addition, it seems that there are several ways to 
>> do it, some official examples offered are out-dated and actually 
>> supposed to be deprecated (the Markers layers altogether, as I 
>> understand), and some functions supposedly (as per documentation) 
>> creating pop-ups do not work or do not work as it would seem they should.
>>
>> Janis
>>
>> On 2011.08.05. 10:26, Marc Jansen wrote:
>>> Hi all,
>>>
>>> for my talk "Common pitfalls for users of OpenLayers" [1] at this years
>>> FOSS4G [2] I want to evaluate the parts of OpenLayers where users of the
>>> library experience problems.
>>>
>>> You would help me -- and the project itself -- a lot if you could answer
>>> in this thread and tell me what problems you had working with OpenLayers.
>>>
>>> Please do not hesitate to tell us what has bugged you, what was unclear
>>> or non-intuitive. Provide us with the sall and the big annoyances Of
>>> course you are heavily encouraged to provide ways around the pitfalls
>>> and possible enhancements.
>>>
>>> I want to identify areas which often cause problems... and eventually I
>>> plan on making the library better where this is possible.
>>>
>>> Anyone is invited to share his/her thoughts -- so if you want the
>>> library to improve, go on and tell us where we can make things better.
>>>
>>> Thanks in advance,
>>> Marc
>>>
>>>
>>> [1]http://2011.foss4g.org/sessions/common-pitfalls-users-openlayers
>>> [2]http://2011.foss4g.org/
>>> _______________________________________________
>>> Users mailing list
>>> Users at lists.osgeo.org
>>> http://lists.osgeo.org/mailman/listinfo/openlayers-users
>>>
>>>
>>
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>
>
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