[OpenLayers-Users] Turning on/off layers depending on zoom level

kaka drspencer at hotmail.com
Tue Apr 10 17:53:18 EDT 2007


This is an example of the problem I have:

http://www.villageografica.com/test44/Africa-test.html

If I change the maxResolution to 0.2 the map works fine, but its current 0.3
won´t work. I hope this illustrates my problem.

Magnus



Erik Uzureau-3 wrote:
> 
> Dear Kaka,
> 
> Do you have a live example that you could post a link to?
> Offhand, I can't see what the problem is... but I might be
> able to help you out if I could see it in action
> 
> Erik,
> Best
> 
> On 4/10/07, kaka <drspencer at hotmail.com> wrote:
>>
>> Thank you very much, Erik, this has been a great help. However, I have
>> run
>> into a problem. If the markers are set to not show on first load, but to
>> appear when zooming in, the show/hide functionality stops working and the
>> markers are dislocated when zooming out. My code looks like this:
>>
>> var MarkersLayer2 = new OpenLayers.Layer.Text( "Region info", {location:
>> "markers.txt", maxResolution: 0.03});
>>
>> Changing the "0.3" to "0.2" causes the problems mentioned above. Is this
>> related to my code or a possible bug?
>>
>> Magnus
>>
>>
>>
>>
>> kaka wrote:
>> >
>> > Hi
>> > I am trying to turn on/off a layer of markers depending on zoom level,
>> > using google maps as a background layer. Does anyone have suggestions
>> on
>> > how to achieve this or is there or maybe an example? Thank you for any
>> > ideas.
>> >
>> > Regards,
>> >
>> > Magnus
>> >
>>
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>>
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