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  1. #1
    Join Date
    Nov 2005
    Location
    Virgil, NY
    Posts
    4,552

    Default Firefox v17 and the Horizon Profile item

    If there's any one of you still using the Firefox browser as the user interface to ACP, you may be interested in this.

    Mozilla recently updated Firefox from version 16.0.2 to version 17.0.1, and I believe they introduced an error with respect to rendering scalable vector graphics (SVG or, in TiddlyWiki terms, mathSVG). I noticed that the "Horizon Profile" graphic I wrote earlier this Fall was now clipped off on the right side and the bottom when rendered in FFv17. Compare the figures below - v16 on the left, v17 on the right. There is no rendering error in FFv16 or in Google Chrome.

    I filed a bug report at Bugzilla about a week ago. You can follow the progress at their website if you're curious. You don't need to register to view the site, but you won't be able to write comments. I've never done this before, so I'm not sure how their process proceeds. We'll see what happens.

    https://bugzilla.mozilla.org/show_bug.cgi?id=822014
    Attached Images Attached Images
    Dick
    www.VirgilObservatory.us
    Pier-mounted Meade 12-inch SCT "classic"
    w. focal reducer to f/5.3 ~ FL 1630mm
    Optec TCF-S focuser
    SBIG CFW-8A and ST7-XME
    FOV ~ 15' x 10'
    H-alpha, BVRI, RGB & Clear filters
    MaxIm and, of course, ACP!
    AAVSO Code: BRIC

  2. #2
    Join Date
    Nov 2005
    Location
    Virgil, NY
    Posts
    4,552

    Default

    After an amazing set of positive interactions with the Bugzilla team, we together determined that there was a single line of code in the mathSVG plugin that caused the rendering problem. That line of code had been in mathSVG since the beginning (2008). FF had made some changes to a rendering algorithm in updating from v16 to v17. It's not a matter of who was right or wrong - sometimes you have to change your applications when the platform changes, and that was the case here. Removing the single LOC from mathSVG fixes the problem and does not appear to introduce other problems. I've attached the revised mathSVGPlugin for anyone who may need it.
    Attached Files Attached Files
    Dick
    www.VirgilObservatory.us
    Pier-mounted Meade 12-inch SCT "classic"
    w. focal reducer to f/5.3 ~ FL 1630mm
    Optec TCF-S focuser
    SBIG CFW-8A and ST7-XME
    FOV ~ 15' x 10'
    H-alpha, BVRI, RGB & Clear filters
    MaxIm and, of course, ACP!
    AAVSO Code: BRIC

 

 

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