[ensembl-dev] itemRgb="On" and useScore=3 down work together

Andrew Tikhonov andrew at ebi.ac.uk
Thu Nov 8 17:06:35 GMT 2012

Dear Anne, James, this doesn't need to be PNG transparency. When you render histograms - at the rendering time - use transparency defined in the colour alpha component, the resulting image doesn't need to be transparent. It will only matter that they overlay properly.


On 8 Nov 2012, at 15:44, James Gilbert wrote:

> On 8 Nov 2012, at 15:25, Anne Parker wrote:
>> Sorry, I have no idea - I would have to look at the drawing code. We tend to avoid PNG transparency because of its poor support in older versions of IE.
>> Anne
> I just looked this up, and was surprised that IE didn't get PNG alpha channel support until October 2006 when IE7 was released!
> 	James
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