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Message #02687
Re: (GIS) Facility indicators
Thanks Jason and Johan for good input on this.
Jan: Do we need a geojson file for the facilities, or are you generating
this on the fly from the coordinates in the DHIS organisationunit table?
Knut
On Fri, Oct 23, 2009 at 2:04 PM, Jason Pickering <
jason.p.pickering@xxxxxxxxx> wrote:
> Hi there. A couple of more issues that arise from this as well.
>
> First, transparency. I am thinking that it would be nice, if possible,
> to be able to adjust the level of transparency in addition to the
> color scheme. This is a tricky issue, as transparent point symbols may
> "bleed" into the colors underneath. This is the same for polygons,
> which might be transparent so some degree, and bleed in with the
> background image (such as a satellite image or other WMS background
> layer). I am not really sure what the best way to handle this is. It
> is easy to create really crappy looking maps unless this is managed
> properly. I am not sure if you have considered this, or if it is even
> possible.
>
> Second, layer ordering. I can imagine we will start getting into a
> situation where we will have to apply some sort of ordering to the
> layers, similar to the functionality in most GIS systems. With all of
> these layers (polygons, point symbols, background layers, and other
> "static layers" such as roads, transportation, etc) it may get very
> messy quickly.
>
> Intermap, the client that ships with Geonetwork, uses the Web Mapping
> Context standard for this, which will work well for different WFS/WMS
> layers, but since it really isn't possible at the moment (as far as I
> know with DHIS) to make a WMS call directly for a particular layer
> (similar to the REST interface of the OpenHealth prototype), I am not
> exactly sure either how this would be done.
>
> Anyway, just some musings...having point based mapping functionality
> will be a great!
>
> Best regards,
> Jason
>
>
> On Fri, Oct 23, 2009 at 1:54 PM, Jan Henrik Øverland
> <janhenrik.overland@xxxxxxxxx> wrote:
> > Ok, I will start working on this on Monday. It should be possible to
> display
> > these points on top o generated polygons as well.
> >
> > On Fri, Oct 23, 2009 at 1:46 PM, Jason Pickering
> > <jason.p.pickering@xxxxxxxxx> wrote:
> >>
> >> Sounds good to me. Will really look forward to seeing this in action.
> >>
> >> Best regards,
> >> Jason
> >>
> >>
> >> On Fri, Oct 23, 2009 at 1:40 PM, Jan Henrik Øverland
> >> <janhenrik.overland@xxxxxxxxx> wrote:
> >> > So let's go for two completely unrelated indicators (different
> indicator
> >> > group and period) per facility? That will not be any harder, it's just
> a
> >> > matter of GUI as datamart export (aggregatedindicatorvalue) will have
> to
> >> > be
> >> > transfered twice anyway.
> >> >
> >> > On Fri, Oct 23, 2009 at 12:09 PM, Jason Pickering
> >> > <jason.p.pickering@xxxxxxxxx> wrote:
> >> >>
> >> >> One of the functions in ArcGIS is the ability to use values to
> >> >> "normalize" the data. This is essentially the same as an indicator in
> >> >> DHIS.
> >> >>
> >> >> I think we have to be careful about allowing sort of any and all data
> >> >> to be visualized in anyway, which could lead to situtations that do
> >> >> not make sense. Sure, we could compare "Fully immunized childred"
> data
> >> >> element to "Female population", but of course this does not make
> sense
> >> >> to do so. I think keeping the visualization within the confines of
> >> >> indicators is a good idea, as it allows more control over what is
> >> >> actually available to display on the map. But, having the ability to
> >> >> create indicators on the fly, without having to go necessarily
> through
> >> >> the data mart would be a great feature.
> >> >>
> >> >>
> >> >>
> >> >> On Fri, Oct 23, 2009 at 11:59 AM, Knut Staring <knutst@xxxxxxxxx>
> >> >> wrote:
> >> >> > Agree very much with Jason that it looks great! We also have plans
> to
> >> >> > extend
> >> >> > this with different types of symbols (not just circles) and labels
> >> >> > (the
> >> >> > need
> >> >> > for labels can be covered by popups on hovering which we already
> have
> >> >> > when
> >> >> > interactive, but may be needed especially for printing).
> >> >> > I would say that a very typical need would be to see the number of
> >> >> > cases
> >> >> > compared to "semi-permanent" data in the form of type of health
> >> >> > facility
> >> >> > or
> >> >> > services available. Some of that will naturally be definable as
> >> >> > indicators,
> >> >> > but not all, and this interface could even be helpful in exploring
> >> >> > data
> >> >> > to
> >> >> > see what kind of indicators would make sense to follow - given that
> >> >> > we
> >> >> > can
> >> >> > also display raw datavalues in this view (currently the GIS can
> only
> >> >> > display
> >> >> > indicators).
> >> >> > Knut
> >> >> >
> >> >> > On Fri, Oct 23, 2009 at 11:52 AM, Jason Pickering
> >> >> > <jason.p.pickering@xxxxxxxxx> wrote:
> >> >> >>
> >> >> >> Hi Jan,
> >> >> >> This looks quite advanced. I would say however that there would be
> a
> >> >> >> need to display two completely unrelated indicators, but perhaps
> not
> >> >> >> necessarily from different time periods. I produced a very similar
> >> >> >> looking map in Tableau comparing data submission rates (to date)
> >> >> >> with
> >> >> >> monthly fully immunized children coverage indicator for a
> particular
> >> >> >> month. I could imagine other cases when you want to compare say
> >> >> >> "Bednet coverage rate" with "Malaria incidence rate". These might
> >> >> >> not
> >> >> >> be in the same indicator group, and would likely not have the same
> >> >> >> time period.
> >> >> >>
> >> >> >> However, this seems to be somewhat outside of the 80% for what I
> >> >> >> would
> >> >> >> think the web based GIS would do. You might need to pull the data
> >> >> >> into
> >> >> >> Tableau or ArcGIS for this type of analysis. Displaying facility
> >> >> >> coverage rates would be just fine (for now) for here anyway.
> >> >> >>
> >> >> >> Looks great!
> >> >> >>
> >> >> >> Best regards,
> >> >> >> Jason
> >> >> >>
> >> >> >>
> >> >> >> On Fri, Oct 23, 2009 at 11:25 AM, Jan Henrik Øverland
> >> >> >> <janhenrik.overland@xxxxxxxxx> wrote:
> >> >> >> > In the attached image, each point (facility) displays the value
> of
> >> >> >> > two
> >> >> >> > different indicators (color and size). Is it sufficient to
> select
> >> >> >> > those
> >> >> >> > two
> >> >> >> > indicators from the same indicator group and within the same
> >> >> >> > period
> >> >> >> > (GIS
> >> >> >> > GUI):
> >> >> >> > INDICATORS
> >> >> >> > Indicator group
> >> >> >> > Period
> >> >> >> > Indicator 1
> >> >> >> > Indicator 2
> >> >> >> >
> >> >> >> > .. or is there a need to display unrelated indicators (different
> >> >> >> > group
> >> >> >> > and
> >> >> >> > period):
> >> >> >> > INDICATOR 1
> >> >> >> > Indicator group
> >> >> >> > Period
> >> >> >> > Indicator
> >> >> >> >
> >> >> >> > INDICATOR 2
> >> >> >> > Indicator group
> >> >> >> > Period
> >> >> >> > Indicator
> >> >> >> >
> >> >> >> > Jan
> >> >> >> > _______________________________________________
> >> >> >> > Mailing list: https://launchpad.net/~dhis2-devs
> >> >> >> > Post to : dhis2-devs@xxxxxxxxxxxxxxxxxxx
> >> >> >> > Unsubscribe : https://launchpad.net/~dhis2-devs
> >> >> >> > More help : https://help.launchpad.net/ListHelp
> >> >> >> >
> >> >> >> >
> >> >> >>
> >> >> >> _______________________________________________
> >> >> >> Mailing list: https://launchpad.net/~dhis2-devs
> >> >> >> Post to : dhis2-devs@xxxxxxxxxxxxxxxxxxx
> >> >> >> Unsubscribe : https://launchpad.net/~dhis2-devs
> >> >> >> More help : https://help.launchpad.net/ListHelp
> >> >> >
> >> >> >
> >> >> >
> >> >> > --
> >> >> > Cheers,
> >> >> > Knut Staring
> >> >> >
> >> >
> >> >
> >
> >
>
--
Cheers,
Knut Staring
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