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I do not understand why the markers disappear, zoom 6, only in this area map.

Do you have an idea?


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This is a known issue of OpenLayers, there is a known workaround is to add:

renderers: ['Canvas', 'VML']

to your vector layer configuration.

I have tested it with firebug in your page. With that line added, it works all right.

The reason is that the default SVG renderer has a limited coordinates range.

For more details please checkout the issue page:

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Thanks a lot, it's working ! – user25216 Mar 21 '14 at 17:40

Hmm, It looks fine in my browser (IE9). Have you tried using a different browser? Have you tried clearing your browser cache?

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Test with browser IE(9), FF(27) and Chrome(33) and browser cache contents deleted. – user25216 Mar 21 '14 at 15:54

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