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

[Anne Parker]

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


On 8 Nov 2012, at 13:53, Andrew Tikhonov wrote:

> Thank you Anne, if you can put it into e70 that would be brilliant. Is it also possible to add semi-transparency ? E.g. "alpha channel" as 4th component to the R,G,B - like R,G,B,A where A is [0..255], 0 - transparent, 255 - opaque. This simple addition would easily solve the multitrack issue and add the "Semi-Transparent Overlaid Tracks" to the big posters.
> 
> 
> 
> Regards,
> Andrew
> 
> 
> On 8 Nov 2012, at 13:24, Anne Parker wrote:
> 
>> Hi Andrew
>> 
>> It's not currently possible to draw a histogram in different colours - this would require a change in the glyphset. I can look at putting it into e70 but that won't be out until January.
>> 
>> Cheers
>> 
>> Anne
>> 
>> 
>> On 8 Nov 2012, at 13:10, Andrew Tikhonov wrote:
>> 
>>> Dear Ens-Dev,
>>> 
>>> 	BED itemRgb="On" works OK, useScore=3 works OK. But useScore=3 and itemRgb="On" don't work OK together. Can you enable itemRgb in useScore=3 mode ? How long will it take ?
>>> 
>>> browser position chr7:127471196-127495720
>>> track name="Histogram" description="Histogram demonstration" visibility=2 useScore=3 height=30 
>>> itemRgb="On"
>>> 
>>> 7  127471196  127472363  Pos1  700  +  127471196  127472363  255,0,0
>>> 7  127472363  127473530  Pos2  800  +  127472363  127473530  255,0,0
>>> 7  127473530  127474697  Pos3  900  +  127473530  127474697  255,0,0
>>> 7  127474697  127475864  Pos4  100  +  127474697  127475864  255,0,0
>>> 7  127475864  127477031  Neg1  500  -  127475864  127477031  0,0,255
>>> 7  127477031  127478198  Neg2  400  -  127477031  127478198  0,0,255
>>> 7  127478198  127479365  Neg3  300  -  127478198  127479365  0,0,255
>>> 7  127479365  127480532  Pos5  1000  +  127479365  127480532  255,0,0
>>> 7  127480532  127481699  Neg4  0  -  127480532  127481699  0,0,255
>>> 
>>> 
>>> track name="ItemRGBDemo" description="Item RGB demonstration" itemRgb="On" 
>>> chr7  127471196  127472363  Pos1  0  +  127471196  127472363  255,0,0
>>> chr7  127472363  127473530  Pos2  0  +  127472363  127473530  255,0,0
>>> chr7  127473530  127474697  Pos3  0  +  127473530  127474697  255,0,0
>>> chr7  127474697  127475864  Pos4  0  +  127474697  127475864  255,0,0
>>> chr7  127475864  127477031  Neg1  0  -  127475864  127477031  0,0,255
>>> chr7  127477031  127478198  Neg2  0  -  127477031  127478198  0,0,255
>>> chr7  127478198  127479365  Neg3  0  -  127478198  127479365  0,0,255
>>> chr7  127479365  127480532  Pos5  0  +  127479365  127480532  255,0,0
>>> chr7  127480532  127481699  Neg4  0  -  127480532  127481699  0,0,255
>>> 
>>> 
>>> 	Thanks in advance.
>>> 
>>> 
>>> Regards,
>>> Andrew
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>> 
>> Anne Parker
>> Ensembl Web Production Manager
>> http://www.ensembl.org
>> 
>> 
>> 
>> 
>> _______________________________________________
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> 
> 
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Anne Parker
Ensembl Web Production Manager
http://www.ensembl.org