[OpenLayers-Dev] WMS: How can I have many layers on my map?

[Christopher Schmidt]

On Thu, May 24, 2007 at 02:35:31PM -0400, Kevin Emamirad wrote:
> This works well on OpenLayers. But when I choose "cities". I don't see
> "countries" layout. So I have a map with cities points on a white
> background.
> I've also tried to use Overlays, with transparent = true argument. But
> the only difference is that I have a black background.

'transparent': 'true' should be used in conjunction with
'format':'image/png', since jpg images (the default) aren't transparent.

Regards,
-- 
Christopher Schmidt
MetaCarta