[OpenLayers-Users] Disappear layers with large scale google maps

[Ishikawa Hiroshi]

Hi, Christopher

I've tried your suggestion.
But I cound't succeed probably my way was wrong.

Could you show a sample?

How should I change that? I copyed from the example page.
  map = new OpenLayers.Map( $('map') ,
  { controls: [new OpenLayers.Control.MouseDefaults()] , 'numZoomLevels':20});
  var satellite = new OpenLayers.Layer.Google( "Google Satellite" , {type: G_NORMAL_MAP, 'maxZoomLevel':18} );
  map.addLayers([satellite]);

  var twms = new OpenLayers.Layer.WMS(
    "World Map",
    "http://world.freemap.in/cgi-bin/mapserv?",
    {map: '/www/freemap.in/world/map/factbooktrans.map', transparent:'true', layers: 'factbook', 'format':'png'} );
  map.addLayer(twms);


On Tue, 13 Feb 2007 23:27:08 +0900, Ishikawa Hiroshi <ishikawa at geowork.co.jp> wrote:

> Hi, Christopher
>
> Thanks for the reply.
>
> Ishikawa Hiroshi
>
> On Tue, 13 Feb 2007 21:41:24 +0900, Christopher Schmidt <crschmidt at metacarta.com> wrote:
>
>> On Tue, Feb 13, 2007 at 07:26:25PM +0900, Ishikawa Hiroshi wrote:
>>> Dear all,
>>>
>>> I'm facing a problem that a layer disappear when I use with large scale google maps.
>>> We can see this problem on the page that is an openlayers official example page.
>>> http://openlayers.org/dev/examples/google.html
>>>
>>> There is a world map(coast line) layer on the page.
>>> When I zoom in the largest zoom level or the 2nd largest zoom level
>>> the check box become a disable status.
>>>
>>> Is this a bug or a regulation of google maps?
>>
>> This is a bug. You can change the behavior by adding 'numZoomLevels: 20'
>> or something similar to your overlay when creating the layer. (This
>> should be added as an option to the layer.)
>>
>> I'll file this as a bug to get fixed in 2.4.
>>
>> Regards,
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> Users at openlayers.org
> http://openlayers.org/mailman/listinfo/users
>



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