Interactive Javascript + Canvas (jqPlot) powered graphs

Phil Longstaff plongstaff at rogers.com
Sat Mar 26 14:42:30 EDT 2011


On Sat, 2011-03-26 at 16:37 +0100, Geert Janssens wrote:
> On donderdag 24 maart 2011, Christian Stimming wrote:
> > Dear Andy,
> > 
> > I've now applied the first two patches from you into SVN. I've not yet
> > applied the others because they would immediately change the behaviour.
> > 
> > However, I've tried them myself and I'm very much impressed by the obvious
> > increase in quality! This holds for both the on-screen display and also
> > when printing to PDF. From what I see here, I'm inclined to add your
> > patches immediately and throw out goffice, because the jqplot graphs are
> > just so much nicer!
> > 
> > For anyone to check yourself: Get latest SVN, then apply the attached
> > patch, and open any of the piechart or barchart reports.
> > 
> > By the way, what happens on a double-click? I only see the graph turns
> > blue, but I gues there was some meaning behind this... :-)
> > 
> > Am Freitag, 11. März 2011 schrieb Andy Clayton:
> > > Here is a list of at least some of the possible issues I am aware of:
> > > * The default coloring could probably be better (plus support for when
> > > specific colors are specified)
> > 
> > Yes, but it's good enough to be better than the gog colors, so it's
> > sufficient to replace the old one.
> > 
> > > * The legend needs to get out of the way of the graph
> > 
> > Depends on the graph and the data. Maybe it is sufficient if it were
> > movable.
> > 
> > > * On bar graphs as more bars get packed in there seems to be too much
> > > padding compared to bar width (really small bars with lots of whitespace)
> > 
> > Might be, indeed.
> > 
> > > * On any of the bar graphs over time the x-axis labels are (to me)
> > > misleading. A bar labeled 01/01/2011, for example, actually represents
> > > the value up to the next x position, say 01/02/2011. Perhaps labeling it
> > > with the through date (the inclusive end date) would make more sense,
> > > rather than the start? Then again, maybe that is just a matter of
> > > preference. Or maybe I will avoid the issue entirely by simplifying the
> > > labels to just year, or month and year, for the simple cases.
> > 
> > Yes, but that's a problem with the gog graphs as well. We can throw out gog
> > and later come up with a fix to the labels.
> > 
> > > Anyways, feel free to give a try and let me know what could be different
> > > or better.
> > 
> > It looks great! Thank you very much for this contribution!
> > 
> > Regards,
> > 
> > Christian
> 
> Agreed, the new plots look much nicer. I like them very much. With a little 
> bit of polishing like suggested by John and Chris, they can go into trunk as 
> far as I'm concerned.

Agreed.  I have noticed that sometimes the chart legend covers over
bars.

Phil



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