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17297 Views 4 Replies Latest reply: Jun 29, 2012 10:21 PM by Jo Rhett RSS
jimsmart Rank: White Belt 18 posts since
Dec 30, 2007
Currently Being Moderated

May 1, 2009 3:16 PM

Graph colors - transparency issue?

hi

when i create a performance graph with more than one datapoint shown on it, i am finding that all subsequent points added after the first are coming up as a wrong/incorrect colour (showing as a paler version of what i request) - these later colours appear to be 50% transparent, or something?

as an example, this can be seen most easily if one charts two lines of the same colour, eg. a dark purple BF00FF - the first line will be the correct colour, the second line will be much lighter in colour.

i believe this change took place between zenoss 2.1 and 2.2 (possibly to do with this ticket http://dev.zenoss.com/trac/ticket/1660 - for transparency support in graphs)

the user interface prevents me from entering an 8 digit (rgba) hex code for these line colours as the ticket suggests, and only lets me enter a 6 digit (rgb) colour code.

is this intended behaviour? should i have unrequested transparency on all but the first datapoint? should i be able to enter rgba values to work around this?

i ask because i am porting some of my charts from an earlier zenoss (2.1 - which doesn't support the creation/export of zenpacks, or somesuch) to the latest zenoss (2.3) - with a view to creating and releasing a community zenpack.

in the older version of zenoss (2.1), my charts have bold brightly coloured lines whereas in the latest zenoss they appear rather washed out.

thanks in advance for any info on this matter,

/Jim
  • Matt Ray Rank: Zen Master 2,484 posts since
    Apr 5, 2008
    Currently Being Moderated
    1. May 1, 2009 5:44 PM (in response to jimsmart)
    Graph colors - transparency issue?
    I'm not sure if this fixes your issue, but 8 digit values are in the
    upcoming 2.4 release: http://dev.zenoss.org/trac/ticket/4444

    Thanks,
    Matt Ray
    Zenoss Community Manager
    community.zenoss.com
    mray@zenoss.com

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  • Jo Rhett Rank: White Belt 42 posts since
    Feb 13, 2012
    Currently Being Moderated
    4. Jun 29, 2012 10:21 PM (in response to Matt Ray)
    Re: Graph colors - transparency issue?

    Why was this support dropped?  It's not in 3.2.1.  Using 8 byte values produces errors.  The stacked versus non-stacked transparent versus non is hardcoded now.

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