[OpenLayers-Users] Canvas demo not working?

Nick Whitelegg nick at hogweed.org
Tue Aug 29 12:33:30 CDT 2006


On Tuesday 29 Aug 2006 18:15, you wrote:
> On Tue, Aug 29, 2006 at 05:40:51PM +0100, Nick Whitelegg wrote:
> > I'm about to try something out using the Canvas layer. Just tried the
> > Canvas demo and it doesn't appear to be working, namely if you click and
> > click again, it doesn't draw a line in the correct colour. It was working
> > the other day. Is the Canvas code in the process of modification at the
> > moment?
>
> Nick:
>
> My current experience with it is that it works against Google, but not
> against WMS: I'm not sure of the exact reason for that, and I don't have
> time to debug it right now. The Canvas code hasn't changed, so it's
> likely that something else around it has changed, but I'm not aware of
> what.
>
> I probably won't have time to debug it before the week is out.
>
> If you find anything with it that you can solve, please feel free to let
> us know, and we'll take care of getting it fixed in trunk.

Chris,

Just tested it with the Google layer (was wms before). It seems to be a 
z-index related issue: the lines are drawn if in wms, but the wms layer hides 
it. When you switch back to google again, they appear.

I've got quite a lot on this week , but if I have time I will investigate 
this.

Nick


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