[OpenLayers-Users] Browser not supported with Canvas renderer

[Andreas Hocevar]

Hi,

a hack to make the Canvas renderer think that Canvas is supported
would be to add the following at the top of your application script:

OpenLayers.CANVAS_SUPPORTED = true;

Andreas.

On Wed, Jul 11, 2012 at 4:35 PM, Rob Hyx <robhyx at gmail.com> wrote:
> Hello all,
>
> I am having an issue in IE 8. I am using OP 2.11 with ExCanvas to
> untilize Canvas tags in older browsers. I realize this is a long shot
> as it's probably a hack, but I figure I'd at least ask: When I
> construct my vector layer with the canvas renderer I get a
> 'browserNotSupported' alert box (not surprisingly). Later when I go to
> add features to the map I get: this.renderer is null or not an object.
>
> First question: Is there anyway to supress that alert that comes up?
> Second question: Has anyone done this before and know how to get the
> vectors to correctly render?
>
> I assume since OpenLayers recognizes IE 8 as a browser that doesn't
> support canvas it just flat out rejects the renderer, hence none is
> present when the vectors are added to the map. I tried adding VML and
> SVG as well but then I get other problems (Attribute is only valid on
> v:image).
>
> Thanks so much in advance!
>
> --
> HYX
> http://hyx-music.com
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-- 
Andreas Hocevar
OpenGeo - http://opengeo.org/
Expert service straight from the developers.