[wdmmg-dev] Sneak preview...

Friedrich Lindenberg friedrich.lindenberg at okfn.org
Tue Feb 22 13:08:54 UTC 2011


On Sat, Feb 19, 2011 at 1:28 PM, Marius Stuebs <mquintus at tharos-net.de> wrote:
> Although it took me a lot of time to figure out, that there are
> different budgets that can be checked out: "UK Barnet Council Budget",
> "UK Country Regional Analysis", Isreal, Uganda and Germany. I first
> didn't see that selection box.

Thats an interesting hint. We should add a drop-down indicator and I
hope that a new home page (trac #5) will communicate that we have
multiple data sets. (and that, over time, we might be able to merge
data sets into one larger construct where source is not as important
as ... "question").

> So there are three features that should be implemented:
> * Select all spending categories for later comparison (See my attached
> screenshot "direct-compare,png" for that.)
> * Compare spending categories over time
> * Compare over time, but not in absolute numbers but in percentage of
> the GBP.

Indeed, comparisons would be amongst the most powerful new features we
could add. I actually also believe they could be implemented fully in
the frontend, since our API is able to deliver the two source data
sets - which then just need to be matched up and subtracted the right

I've created a very generic ticket for this at
http://trac.openspending.org/ticket/10 and I'd love to see further
details on use cases and implementation proposals. If you, Marius, had
some time to actually write a prototype, that'd of course be amazing!

> I would put it beneath "CRA: Spending by tertiary function" and "CRA:
> Spending by region". See my attached screenshot "overtime.png" for that.
> Note: That function should be available for each region/possible view, too.

I should have been more precise here. Each of these views ("by
function", "by region") produce a different time series that needs to
be displayed, this putting them in this menu would be a category error
IMO. Maybe we need to add a second level to the menu bar, though?

Best regards,


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