[OpenLayers-Dev] Format.WMC and scale

[bartvde at osgis.nl]

"In WMC you can have only a MinScaleDenominator or a
MaxScaleDenominator."

Next to the option of having both I meant ofcourse.

Best regards,
Bart

> Hi Eric,
>
>> On your side have you figured out why the calculated minScale is
>> different than the minScale value in the options?
>
> Yes, I believe this happens when there is only a minscale or maxscale, so
> not both. In WMC you can have only a MinScaleDenominator or a
> MaxScaleDenominator.
>
>> Regarding WMC, I think it makes that WMC write uses layer.minScale.
>> Indeed, we need to deal with cases where the layer wasn't built out of
>> WMC and no minScale option was set in the layer.
>
> Right, that makes sense, I understand the reasoning now. Thanks.
>
> Best regards,
> Bart
>
>> Hi Bart
>>
>> We've also experienced unexpected minScale/maxScale values here at
>> Camptocamp. So far we haven't had a chance to investigate the problem.
>> On your side have you figured out why the calculated minScale is
>> different than the minScale value in the options?
>>
>> Regarding WMC, I think it makes that WMC write uses layer.minScale.
>> Indeed, we need to deal with cases where the layer wasn't built out of
>> WMC and no minScale option was set in the layer.
>>
>> Eric
>>
>> 2008/10/23, bartvde at osgis.nl <bartvde at osgis.nl>:
>>> Hi list,
>>>
>>> question about the Format.WMC code.
>>>
>>> When it reads a scale from a WMC doc, it is stored in the options array
>>> of
>>> the layer.
>>>
>>> But when it writes, it uses the minScale or maxScale property of the
>>> layer.
>>>
>>> Why is this? I would expect when writing to also use the
>>> options.minScale
>>> and options.maxScale.
>>>
>>> In my situation options.minScale is 35000 (the correct value) and
>>> layer.minScale is 10000000.999999998, don't ask me why :-). So when
>>> serializing the WMC the wrong information is written.
>>>
>>> Best regards,
>>> Bart
>>>
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>>>
>>
>
>
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