[ensembl-dev] itemRgb="On" and useScore=3 down work together
andrew at ebi.ac.uk
Mon Nov 19 11:27:10 GMT 2012
So, guys could you confirm whether you're doing this ?
Thanks in advance.
On 8 Nov 2012, at 17:52, Dan Sheppard wrote:
> On 08/11/12 17:06, Andrew Tikhonov wrote:
>> 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.
> Hi Andrew,
> We can apply alpha-blending via GD, but I'm not sure what these overlapping things are? At the moment you'd just get a slightly fainter histogram, surely? If you want to render two histograms in the same place you all the config, ordering, zmenu, etc, issues of composite tracks remain, surely, to be overcome before translucency is useful?
> Or is the idea that features rendered from a single eg BED file as blocks aren't bumped into different vertical positions when they overlap but superimpose on top of each other?
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