Others will have to comment on this, but what we should do anyway is to add more colours to the palette to allow for a combination of the two - fixed class breaks (predefined legend set) and that nice colour/value gradation Bob mentioned.
On Thu, Feb 20, 2014 at 4:27 PM, Bob Jolliffe <bobjolli...@gmail.com> wrote: > Hi > > I am no expert here, but I was talking last week with someone who had just > been on a GIS course. She made the interesting observation that when you > are displaying numerical data as shaded regions on a map, you should not > mix primary colours in the same gradated scale because what you end up with > is sort of rubic cube kaleidoscope of colour rather than a clear gradation > of values. > > If that is good advice then I think our demo site could be improved as > presently it seems like a good example of bad practice, where we have mixed > red, green and blue with joyful and cheerful abandon :-) > > I had a go to change the Diarrhoea map on the dashboard at > http://apps.dhis2.org/dev/dhis-web-dashboard-integration/index.action and > I think it is true that it conveys the data better than the extreme > multi-coloured ones around it. Even if the distribution of data between > bands is not so interesting. Anyone agree or disagree? (the data will only > be there for a short while longer) > > If there is a best practice to be had here regarding colour selection I > guess we should promote it, particularly with default offerings so that > people have to be quite deliberate in order to go astray. > > Bob > > _______________________________________________ > Mailing list: https://launchpad.net/~dhis2-users > Post to : dhis2-users@lists.launchpad.net > Unsubscribe : https://launchpad.net/~dhis2-users > More help : https://help.launchpad.net/ListHelp > >
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