dhis2-devs team mailing list archive

[Jan Henrik Øverland <janhenrik.overland@xxxxxxxxx>]

I fully agree with the svg advantages you mention. On the other hand, the
html 5 solution is a lot more comfortable to work with and here you also
have the ext integration. Unless the IE issue is completely unacceptable I
would prefer the last solution. Yes?


On Tue, May 18, 2010 at 6:34 PM, Bob Jolliffe <bobjolliffe@xxxxxxxxx> wrote:

> On 18 May 2010 15:59, Jan Henrik Øverland <janhenrik.overland@xxxxxxxxx>
> wrote:
> > Seems like Extflot is a good solution. Quite easy to use and with some
> > styling (the attached image has no styling at all) it may look good as
> well.
> >
>
> I see that flot uses the html5 canvas element for drawing.  And that
> canvas is reinterpreted on IE with an additional plugin which renders
> the canvas drawing commands in silverlight.
>
> All of which sounds pretty horrible to me.  For graphs more generally
> I think a svg based solution is better - for one reason you can have
> your graph rendered on a page and just reload the data.  This is
> because with svg there is a dom representation of the graph/chart on
> the page so you can manipulate specific elements.  html canvas is more
> like paintbrush.  You paint the elements programatically with js but
> once they are on the page they are like paint.  You can't really
> manipulate eg just the series data without redrawing the whole graph.
>
> Anyway.  Up to you.  Doing it this way might be adequate for this use
> case.  I'd kind of prefer being able to declare what's in my graph
> rather than have the description implicit in a snippet of javascript
> code.  And IE9 has GPU optimized native svg support.  Took them nearly
> a decade.
>
> Cheers
> Bob
>
> >
> > On Sat, May 15, 2010 at 8:30 PM, Knut Staring <knutst@xxxxxxxxx> wrote:
> >>
> >> Yes, that was my point as well, and the reason I thought maybe extflot
> >> will be the fastest for us right now, since we have a long list of GIS
> >> needs:
> >> http://code.google.com/p/extflot/wiki/Tutorial
> >>
> >> And then we could look into using SVG later (or someone else can do it
> >> in parallel).
> >>
> >> On Sat, May 15, 2010 at 8:27 PM, Lars Helge Øverland
> >> <larshelge@xxxxxxxxx> wrote:
> >> >
> >> > My point is that using Ext with jQuery requires a bit of hacking, it
> >> > would
> >> > be easier to stick with only Ext but that might not be feasible, i
> don't
> >> > know.
> >> > http://docs.jquery.com/Tutorials:Using_Ext_With_jQuery
> >> >
> >> >
> >> >
> >> > On Sat, May 15, 2010 at 8:16 PM, Knut Staring <knutst@xxxxxxxxx>
> wrote:
> >> >>
> >> >> To complete the picture, there is Ext Core (MIT license) :
> >> >> http://www.extjs.com/products/core/manual/
> >> >>
> >> >> On Sat, May 15, 2010 at 8:11 PM, Knut Staring <knutst@xxxxxxxxx>
> wrote:
> >> >> > I think we probably need to keep both Ext and Jquery - and it looks
> >> >> > like the two can work together:
> >> >> >
> >> >> >
> >> >> >
> http://www.extjs.com/forum/showthread.php?56724-ExtJS-and-JQuery-working-together
> >> >> >
> >> >> > The GIS module is making good progress, though it will necessarily
> >> >> > continue to be a bit heavy. Important to set up the webserver to
> >> >> > serve
> >> >> > it Gzipped (I seem to have trouble getting that to work with
> Tomcat).
> >> >> >
> >> >> > It will be cool when we can have all the maps in the database as
> >> >> > GeoJSON. This will also make it easier to include maps elsewhere in
> >> >> > the application, for example in the dashboard and in the OrgUnit
> >> >> > managment interfaces. For this one could do without Ext, and just
> use
> >> >> > a) OpenLayers, b) SVG, or c) even HTML ImageMaps, as Dutch national
> >> >> > health atlas are doing:
> >> >> > http://www.rivm.nl/vtv/object_map/o3017n21941.html
> >> >> >
> >> >> > Came across a Jquery wrapper for OpenLayers:
> >> >> >
> >> >> >
> >> >> >
> http://code.google.com/p/jquery-openlayers/source/browse/trunk/lib/ui.openlayers.js
> >> >> >
> >> >> > On Sat, May 15, 2010 at 6:58 PM, Lars Helge Øverland
> >> >> > <larshelge@xxxxxxxxx> wrote:
> >> >> >> This stuff is based on jquery, will this conflict with ext in the
> >> >> >> gis
> >> >> >> module?
> >> >> >>
> >> >> >> On Sat, May 15, 2010 at 6:09 PM, Jan Henrik Øverland
> >> >> >> <janhenrik.overland@xxxxxxxxx> wrote:
> >> >> >>>
> >> >> >>> Hi, thanks for the research and discussion. Will have a look at
> it.
> >> >> >>>
> >> >> >>>
> >> >> >>> On Sat, May 15, 2010 at 5:58 PM, Bob Jolliffe
> >> >> >>> <bobjolliffe@xxxxxxxxx>
> >> >> >>> wrote:
> >> >> >>>>
> >> >> >>>> Well I think the jquery svg plugin has made up my mind re the
> ext
> >> >> >>>> vs
> >> >> >>>> jquery discussion.
> >> >> >>>>
> >> >> >>>> Take a look at this jquery plugin:
> >> >> >>>> http://keith-wood.name/svg.html.
> >> >> >>>> This is appears to be a free software equivalent (though a bit
> >> >> >>>> more
> >> >> >>>> general and not *quite* as sophisticated) as the highcharts
> thing.
> >> >> >>>>  I
> >> >> >>>> hadn't noticed before that highcharts is also making svg which
> is
> >> >> >>>> partly why they look so nice.
> >> >> >>>>
> >> >> >>>> In particular check out the graphing/plotting/mixture tabs.  I
> >> >> >>>> don't
> >> >> >>>> think there can be a much easier open licenced way to make
> vector
> >> >> >>>> graphic, w3c standard svg charts than this :-)
> >> >> >>>>
> >> >> >>>> What do you think Jan?  Would this meet your requirements?
> >> >> >>>>
> >> >> >>>> Cheers
> >> >> >>>> Bob
> >> >> >>>>
> >> >> >>>> On 15 May 2010 11:39, Bob Jolliffe <bobjolliffe@xxxxxxxxx>
> wrote:
> >> >> >>>> > On 14 May 2010 15:07, Knut Staring <knutst@xxxxxxxxx> wrote:
> >> >> >>>> >> On Fri, May 14, 2010 at 3:40 PM, Bob Jolliffe
> >> >> >>>> >> <bobjolliffe@xxxxxxxxx>
> >> >> >>>> >> wrote:
> >> >> >>>> >>> highcharts look very beautiful but I think Knut is right.  I
> >> >> >>>> >>> don't
> >> >> >>>> >>> think we could use it.
> >> >> >>>> >>>
> >> >> >>>> >>> The flot thing looks a bit primitive :-(
> >> >> >>>> >>
> >> >> >>>> >> The commercial alternatives are indeed more polished, but I
> >> >> >>>> >> think
> >> >> >>>> >> this
> >> >> >>>> >> may easily cover many of our needs - perhaps to be
> supplemented
> >> >> >>>> >> at
> >> >> >>>> >> some later stage. Here are some examples:
> >> >> >>>> >>
> >> >> >>>> >> http://people.iola.dk/olau/flot/examples/stacking.html
> >> >> >>>> >>
> http://groups.google.com/group/flot-graphs/msg/b56101eb1375d1da
> >> >> >>>> >>
> >> >> >>>> >> There is also flotr:
> >> >> >>>> >> http://solutoire.com/flotr/docs/
> >> >> >>>> >>
> >> >> >>>> >>
> >> >> >>>> >>> Have you looked at rendering charts in svg?  I see there are
> a
> >> >> >>>> >>> few
> >> >> >>>> >>> javascript (http://keith-wood.name/svggraphRef.html) , java
> >> >> >>>> >>> and
> >> >> >>>> >>> even
> >> >> >>>> >>> xslt libaries (Dave pawson's
> >> >> >>>> >>> http://www.dpawson.co.uk/graph2svg/index.html#intro is
> >> >> >>>> >>> excellent
> >> >> >>>> >>> but
> >> >> >>>> >>> sadly xslt 2.0) out there to do that, and being an open
> >> >> >>>> >>> standard
> >> >> >>>> >>> we
> >> >> >>>> >>> can customize to our heart's content.
> >> >> >>>> >>
> >> >> >>>> >> SVG is definitely a contender - but looks like it may take
> some
> >> >> >>>> >> more
> >> >> >>>> >> work to get going in terms of what we are currently looking
> >> >> >>>> >> for,
> >> >> >>>> >
> >> >> >>>> > Its not really that complicated.  If you use your favorite
> >> >> >>>> > graphing
> >> >> >>>> > program to create a template (I use gnuplot with terminal type
> >> >> >>>> > svg
> >> >> >>>> > but
> >> >> >>>> > there are probably more modern alternatives) then you can
> >> >> >>>> > relatively
> >> >> >>>> > easily use this as a base and then use whatever programmatic
> >> >> >>>> > means
> >> >> >>>> > to
> >> >> >>>> > update the actual data series representation in the chart.
>  See
> >> >> >>>> > for
> >> >> >>>> > example the last three data chunks (actually line drawing) in
> >> >> >>>> > the
> >> >> >>>> > markup of the attached.  This could be updated dynamically via
> >> >> >>>> > javascript/ajax on the client side or on the server side
> >> >> >>>> > depending
> >> >> >>>> > on
> >> >> >>>> > the use case.
> >> >> >>>> >
> >> >> >>>> > Cheers
> >> >> >>>> > Bob
> >> >> >>>> >
> >> >> >>>> > And the good news is that native svg support is finally coming
> >> >> >>>> > in
> >> >> >>>> > IE9.
> >> >> >>>> >  Its already in the platform review
> >> >> >>>> > http://ie.microsoft.com/testdrive/
> >> >> >>>> >
> >> >> >>>> >>so
> >> >> >>>> >> maybe a good strategy could be to for flot now and move in
> the
> >> >> >>>> >> direction of SVG a bit later on?
> >> >> >>>> >>
> >> >> >>>> >> Knut
> >> >> >>>> >>
> >> >> >>>> >>
> >> >> >>>> >>> Regards
> >> >> >>>> >>> Bob
> >> >> >>>> >>>
> >> >> >>>> >>> On 14 May 2010 13:59, Knut Staring <knutst@xxxxxxxxx>
> wrote:
> >> >> >>>> >>>> It seems the best alternative might be this JQuery library
> >> >> >>>> >>>> (MIT
> >> >> >>>> >>>> licensed, so no problem):
> >> >> >>>> >>>> http://code.google.com/p/flot/
> >> >> >>>> >>>>
> >> >> >>>> >>>> Knut
> >> >> >>>> >>>>
> >> >> >>>> >>>> On Fri, May 14, 2010 at 2:32 PM, Knut Staring
> >> >> >>>> >>>> <knutst@xxxxxxxxx>
> >> >> >>>> >>>> wrote:
> >> >> >>>> >>>>> Hm...does not look good from a licensing point of view,
> I'm
> >> >> >>>> >>>>> afraid,
> >> >> >>>> >>>>> since we want this to be used by both governments and
> anyone
> >> >> >>>> >>>>> else.
> >> >> >>>> >>>>> I
> >> >> >>>> >>>>> think we must try and find another alternative
> >> >> >>>> >>>>> http://www.highcharts.com/license
> >> >> >>>> >>>>>
> >> >> >>>> >>>>> Knut
> >> >> >>>> >>>>>
> >> >> >>>> >>>>> On Fri, May 14, 2010 at 2:26 PM, Jan Henrik Øverland
> >> >> >>>> >>>>> <janhenrik.overland@xxxxxxxxx> wrote:
> >> >> >>>> >>>>>> The charts included in Ext3 require a Flash plugin. Thus
> I
> >> >> >>>> >>>>>> decided
> >> >> >>>> >>>>>> to use
> >> >> >>>> >>>>>> Highcharts (http://www.highcharts.com) instead, which is
> >> >> >>>> >>>>>> pure
> >> >> >>>> >>>>>> JavaScript and
> >> >> >>>> >>>>>> afaik wouldn't cause any licence issues. Would be nice if
> >> >> >>>> >>>>>> the
> >> >> >>>> >>>>>> licence gurus
> >> >> >>>> >>>>>> could have a look, tho.
> >> >> >>>> >>>>>>
> >> >> >>>> >>>>>>
> >> >> >>>> >>>>>> On Fri, May 14, 2010 at 1:59 PM, <noreply@xxxxxxxxxxxxx>
> >> >> >>>> >>>>>> wrote:
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>> Merge authors:
> >> >> >>>> >>>>>>>  Jan Henrik Øverland (janhenrik-overland)
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> ------------------------------------------------------------
> >> >> >>>> >>>>>>> revno: 1855 [merge]
> >> >> >>>> >>>>>>> committer: Jan Henrik Overland
> >> >> >>>> >>>>>>> <janhenrik.overland@xxxxxxxxx>
> >> >> >>>> >>>>>>> branch nick: trunk
> >> >> >>>> >>>>>>> timestamp: Fri 2010-05-14 13:57:55 +0200
> >> >> >>>> >>>>>>> message:
> >> >> >>>> >>>>>>>  (GIS) Line chart for several periods implemented.
> >> >> >>>> >>>>>>> added:
> >> >> >>>> >>>>>>>  dhis-2/dhis-support/dhis-support-i18n/
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
>  dhis-2/dhis-web/dhis-web-mapping/src/main/java/org/hisp/dhis/mapping/action/GetMapValuesByMapAndFeatureIdAction.java
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
>  dhis-2/dhis-web/dhis-web-mapping/src/main/webapp/dhis-web-mapping/resources/highcharts/
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
>  dhis-2/dhis-web/dhis-web-mapping/src/main/webapp/dhis-web-mapping/resources/highcharts/Ext.ux.HighChart.js
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
>  dhis-2/dhis-web/dhis-web-mapping/src/main/webapp/dhis-web-mapping/resources/highcharts/adapter-extjs.js
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
>  dhis-2/dhis-web/dhis-web-mapping/src/main/webapp/dhis-web-mapping/resources/highcharts/highcharts.js
> >> >> >>>> >>>>>>> modified:
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
>  dhis-2/dhis-api/src/main/java/org/hisp/dhis/aggregation/AggregatedMapValue.java
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
>  dhis-2/dhis-api/src/main/java/org/hisp/dhis/datamart/DataMartStore.java
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
>  dhis-2/dhis-api/src/main/java/org/hisp/dhis/mapping/MappingService.java
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
>  dhis-2/dhis-services/dhis-service-datamart-default/src/main/java/org/hisp/dhis/datamart/jdbc/JdbcDataMartStore.java
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
>  dhis-2/dhis-services/dhis-service-mapping/src/main/java/org/hisp/dhis/mapping/DefaultMappingService.java
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
>  dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/objectmapper/AggregatedMapValueRowMapper.java
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
>  dhis-2/dhis-web/dhis-web-mapping/src/main/java/org/hisp/dhis/mapping/action/GetMapValuesByLevelAction.java
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
>  dhis-2/dhis-web/dhis-web-mapping/src/main/java/org/hisp/dhis/mapping/action/GetMapValuesByMapAction.java
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
>  dhis-2/dhis-web/dhis-web-mapping/src/main/resources/META-INF/dhis/beans.xml
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
>  dhis-2/dhis-web/dhis-web-mapping/src/main/resources/struts.xml
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
>  dhis-2/dhis-web/dhis-web-mapping/src/main/webapp/dhis-web-mapping/jsonAggregatedMapValues.vm
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
>  dhis-2/dhis-web/dhis-web-mapping/src/main/webapp/dhis-web-mapping/jsonminAggregatedMapValues.vm
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
>  dhis-2/dhis-web/dhis-web-mapping/src/main/webapp/dhis-web-mapping/mapping/index.html
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
>  dhis-2/dhis-web/dhis-web-mapping/src/main/webapp/dhis-web-mapping/mapping/script/index.js
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>>
>  dhis-2/dhis-web/dhis-web-mapping/src/main/webapp/dhis-web-mapping/resources/mapfish/widgets/Shortcuts.js
> >> >> >>>> >>>>>>> The size of the diff (1923 lines) is larger than your
> >> >> >>>> >>>>>>> specified
> >> >> >>>> >>>>>>> limit of
> >> >> >>>> >>>>>>> 1000 lines
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>> --
> >> >> >>>> >>>>>>> lp:dhis2
> >> >> >>>> >>>>>>> https://code.launchpad.net/~dhis2-devs-core/dhis2/trunk<https://code.launchpad.net/%7Edhis2-devs-core/dhis2/trunk>
> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>> Your team DHIS 2 developers is subscribed to branch
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> >> >> >>>> >>>>>>>
> >> >> >>>> >>>>>>> _______________________________________________
> >> >> >>>> >>>>>>> Mailing list: https://launchpad.net/~dhis2-devs<https://launchpad.net/%7Edhis2-devs>
> >> >> >>>> >>>>>>> Post to     : dhis2-devs@xxxxxxxxxxxxxxxxxxx
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> >> >> >>>> >>>>>>
> >> >> >>>> >>>>>> _______________________________________________
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> >> >> >>>> >>>>>>
> >> >> >>>> >>>>>
> >> >> >>>> >>>>>
> >> >> >>>> >>>>>
> >> >> >>>> >>>>> --
> >> >> >>>> >>>>> Cheers,
> >> >> >>>> >>>>> Knut Staring
> >> >> >>>> >>>>>
> >> >> >>>> >>>>
> >> >> >>>> >>>>
> >> >> >>>> >>>>
> >> >> >>>> >>>> --
> >> >> >>>> >>>> Cheers,
> >> >> >>>> >>>> Knut Staring
> >> >> >>>> >>>>
> >> >> >>>> >>>> _______________________________________________
> >> >> >>>> >>>> Mailing list: https://launchpad.net/~dhis2-devs<https://launchpad.net/%7Edhis2-devs>
> >> >> >>>> >>>> Post to     : dhis2-devs@xxxxxxxxxxxxxxxxxxx
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> >> >> >>>> >>>>
> >> >> >>>> >>>
> >> >> >>>> >>
> >> >> >>>> >>
> >> >> >>>> >>
> >> >> >>>> >> --
> >> >> >>>> >> Cheers,
> >> >> >>>> >> Knut Staring
> >> >> >>>> >>
> >> >> >>>> >
> >> >> >>>
> >> >> >>>
> >> >> >>> _______________________________________________
> >> >> >>> Mailing list: https://launchpad.net/~dhis2-devs<https://launchpad.net/%7Edhis2-devs>
> >> >> >>> Post to     : dhis2-devs@xxxxxxxxxxxxxxxxxxx
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> >> >> >>
> >> >> >>
> >> >> >> _______________________________________________
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> >> >> >>
> >> >> >>
> >> >> >
> >> >> >
> >> >> >
> >> >> > --
> >> >> > Cheers,
> >> >> > Knut Staring
> >> >> >
> >> >>
> >> >>
> >> >>
> >> >> --
> >> >> Cheers,
> >> >> Knut Staring
> >> >
> >> >
> >>
> >>
> >>
> >> --
> >> Cheers,
> >> Knut Staring
> >
> >
> > _______________________________________________
> > Mailing list: https://launchpad.net/~dhis2-devs<https://launchpad.net/%7Edhis2-devs>
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> >
>