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Message #36570
Re: Possible issue with GML import
Yes I did. Fixes should be in revision 18306
<http://bazaar.launchpad.net/~dhis2-devs-core/dhis2/2.18/revision/18306> of
2.18. Could you send me any relevant logs or even GML files? I'd like to
have a look.
2015-03-27 12:41 GMT+01:00 Knut Staring <knutst@xxxxxxxxx>:
> We should definitely have both. Halvdan, did you backport the fix you made
> to 2.18? I just tried importing there but nothing happens on the client
> (haven´t yet asked for the server log)
>
> On Fri, Mar 27, 2015 at 12:39 PM, Calle Hedberg <calle.hedberg@xxxxxxxxx>
> wrote:
>
>> Hi
>>
>> I would not DROP GML support, just ADD support for importing shapefiles.
>>
>> Regards from Sarpsborg, Norway
>> Calle
>>
>> On 25 March 2015 at 14:23, Halvdan Grelland <halvdanhg@xxxxxxxxx> wrote:
>>
>>> I'm not really seeing any reason to drop GML support altogether, but the
>>> prospect of letting users directly import shapefiles is an interesting one
>>> for sure. I'd be very interested to have a look, Knut.
>>>
>>> As I'm sure you all know handling (and not to mention creating) GML is
>>> fairly complex and I'm not really convinced moving the complexity from
>>> established GIS suites like GDAL and QGIS and into DHIS2 itself is a clever
>>> move. In fact I'm sure it would open up a whole new world of hurt.
>>>
>>> Jason is also right in assuming that accepting different coordinate
>>> systems/projections would not be an easy fix but requires a major rewrite
>>> which is, quite frankly, not worth the effort. The middle ground solution
>>> to this would of course be to consume different projections and reproject
>>> them into the desired format before storage but we're then introducing the
>>> complexity I'm advicing against.
>>>
>>>
>>> 2015-03-25 11:27 GMT+01:00 Jason Pickering <jason.p.pickering@xxxxxxxxx>
>>> :
>>>
>>>>
>>>> Hi Knut,
>>>>
>>>> As for the app, I did not try it and agree with Calle that it is much
>>>> easier for people to import a shape file directly. However, we do not
>>>> always (but usually do) have a shapefile to import, so I would not be in
>>>> favor of removing GML support at all.
>>>>
>>>> I seem to recall from a while back that it was not possible to update
>>>> coordinates with the app.
>>>>
>>>> See below from our private correspondence on this a while back Knut
>>>> (June 2014)
>>>>
>>>> >actually in a way it does work to update the existing OU, but the
>>>> problem is, we need the shapfiles and matching dbf files. And some details
>>>> of that dbf file need to match the existing OU details in the >db, which in
>>>> case may be different. So I am looking though the solution that will help
>>>> map the OU units with the existing OU units. I will soon post you on this.
>>>>
>>>> So, not sure that was sorted out and if the workflow of supporting
>>>> update to coordinates is supported?
>>>>
>>>> @Calle, as for the WGS84 , agree that it would be "nice", but it would
>>>> be a rather big change I suspect. At the moment, the coordinates are stored
>>>> in the database without any reference to any geographical coordinate system
>>>> whatsoever. So allowing anything other than EPSG:4326 would require that
>>>> information to be stored some place and possibly reprojected into a single
>>>> coordinate system prior to feeding it to the GIS. Would be nice to have,
>>>> but not really sure how big of a change it would be, but does not feel like
>>>> it would be trivial.
>>>>
>>>> Regards,
>>>> Jason
>>>>
>>>>
>>>>
>>>> On Wed, Mar 25, 2015 at 6:13 AM, Calle Hedberg <calle.hedberg@xxxxxxxxx
>>>> > wrote:
>>>>
>>>>> Hi
>>>>>
>>>>> Another change that would be advantageous would also be to drop the
>>>>> requirement that the datum have to be WGS-84 standard - some countries are
>>>>> using other datum standards and might prefer to have all their data in that
>>>>> datum.
>>>>>
>>>>> Note though, that this is less important in practice than the ability
>>>>> to import shapefiles directly.
>>>>>
>>>>> Regards
>>>>> Calle
>>>>>
>>>>> On 25 March 2015 at 12:11, Calle Hedberg <calle.hedberg@xxxxxxxxx>
>>>>> wrote:
>>>>>
>>>>>> Hi
>>>>>>
>>>>>> HISP-SA would strongly support dropping the GML step - or at least to
>>>>>> short-cut it with an option to import shapefiles directly. GML adds nothing
>>>>>> to the mix, it just makes the process more cumbersome and "techie".
>>>>>>
>>>>>> Regards
>>>>>> Calle
>>>>>>
>>>>>> On 24 March 2015 at 18:57, Knut Staring <knutst@xxxxxxxxx> wrote:
>>>>>>
>>>>>>> Hi Jason (and Halvdan),
>>>>>>>
>>>>>>> Not directly related, but since GML is coming up again, it could
>>>>>>> perhaps be good to revisit Sushil's app, which is meant to bypass GML and
>>>>>>> import shapefiles directly.
>>>>>>>
>>>>>>> If you (and others on the list) have some time, it would be good to
>>>>>>> get more feedback on it.
>>>>>>>
>>>>>>> Knut
>>>>>>>
>>>>>>> On Tue, Mar 24, 2015 at 4:05 PM, Halvdan Grelland <
>>>>>>> halvdanhg@xxxxxxxxx> wrote:
>>>>>>>
>>>>>>>> Yeah as discussed just now we should support output from qgis and
>>>>>>>> gdal at least. Currently working on that.
>>>>>>>>
>>>>>>>> 2015-03-24 16:03 GMT+01:00 Jason Pickering <
>>>>>>>> jason.p.pickering@xxxxxxxxx>:
>>>>>>>>
>>>>>>>>> I just exported this from QGIS. Would seem strange if we could
>>>>>>>>> not support this,as it was just an export from a shape file.
>>>>>>>>>
>>>>>>>>> Regards
>>>>>>>>> Jason
>>>>>>>>> On Mar 24, 2015 9:30 AM, "Halvdan Grelland" <halvdanhg@xxxxxxxxx>
>>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>>> Actually, small error in my example: pos elements should have lat
>>>>>>>>>> and long separated by whitespace:
>>>>>>>>>>
>>>>>>>>>> <gml:pos>-45.046450667490049 30.904516454945856</gml:pos
>>>>>>>>>>
>>>>>>>>>> 2015-03-24 14:05 GMT+01:00 Halvdan Grelland <halvdanhg@xxxxxxxxx>
>>>>>>>>>> :
>>>>>>>>>>
>>>>>>>>>>> By the way, here is the relevant quote from the GML Point
>>>>>>>>>>> Profile:
>>>>>>>>>>>
>>>>>>>>>>> "A Point is defined by a single coordinate tuple, with the
>>>>>>>>>>> coordinate values being specified by the gml:pos property. Data instances
>>>>>>>>>>> compliant with this profile shall use only the gml:pos property."
>>>>>>>>>>>
>>>>>>>>>>> 2015-03-24 13:57 GMT+01:00 Halvdan Grelland <halvdanhg@xxxxxxxxx
>>>>>>>>>>> >:
>>>>>>>>>>>
>>>>>>>>>>>> The gml:Point element only supports gml:pos coordinate tuples
>>>>>>>>>>>> (a single one, of course). The gml:coordinates element is expected to have
>>>>>>>>>>>> multiple points, which is why it is parsed in that particular way.
>>>>>>>>>>>>
>>>>>>>>>>>> The only real bug on our part here is that we for some reason
>>>>>>>>>>>> allow gml:Point to contain a gml:coordinates element with a single
>>>>>>>>>>>> contained coordinate, thus being incorrectly output as seen in Jasons
>>>>>>>>>>>> example. I realize we might have allowed this for a while, though, as the
>>>>>>>>>>>> logics of this has remained unchanged by the recent GML importer rewrite.
>>>>>>>>>>>>
>>>>>>>>>>>> My suggestion is that we follow the standard GML point profile
>>>>>>>>>>>> and remove support for gml:coordinates within gml:Point entirely. Jason,
>>>>>>>>>>>> could you try with the following XML, please:
>>>>>>>>>>>>
>>>>>>>>>>>> <gml:featureMember>
>>>>>>>>>>>> <ogr:OpenDemolandHealthFacilities
>>>>>>>>>>>> fid="OpenDemolandHealthFacilities.4">
>>>>>>>>>>>> <ogr:geometryProperty><gml:Point
>>>>>>>>>>>> srsName="EPSG:4326"><gml:pos>-45.046450667490049,30.904516454945856</gml:pos></gml:Point></ogr:geometryProperty>
>>>>>>>>>>>> <ogr:Name>Crow Site</ogr:Name>
>>>>>>>>>>>> <ogr:NAME_1>Bird</ogr:NAME_1>
>>>>>>>>>>>> <ogr:Region>Animal</ogr:Region>
>>>>>>>>>>>> <ogr:Country>Demoland</ogr:Country>
>>>>>>>>>>>> </ogr:OpenDemolandHealthFacilities>
>>>>>>>>>>>> </gml:featureMember>
>>>>>>>>>>>>
>>>>>>>>>>>> Of course, If you feel otherwise let me know.
>>>>>>>>>>>>
>>>>>>>>>>>> Halvdan
>>>>>>>>>>>>
>>>>>>>>>>>> 2015-03-24 13:09 GMT+01:00 Jan Henrik Øverland <
>>>>>>>>>>>> janhenrik.overland@xxxxxxxxx>:
>>>>>>>>>>>>
>>>>>>>>>>>>> Halvdan, quick fix. Points should never have more than one set
>>>>>>>>>>>>> of brackets.
>>>>>>>>>>>>>
>>>>>>>>>>>>> On Tue, Mar 24, 2015 at 12:01 PM, Jason Pickering <
>>>>>>>>>>>>> jason.p.pickering@xxxxxxxxx> wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>>> Hi there.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> I am using the GML importer to import coordinates.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Here is a snippet of the GML I am importing
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> <gml:featureMember>
>>>>>>>>>>>>>> <ogr:OpenDemolandHealthFacilities
>>>>>>>>>>>>>> fid="OpenDemolandHealthFacilities.4">
>>>>>>>>>>>>>> <ogr:geometryProperty><gml:Point
>>>>>>>>>>>>>> srsName="EPSG:4326"><gml:coordinates>-45.046450667490049,30.904516454945856</gml:coordinates></gml:Point></ogr:geometryProperty>
>>>>>>>>>>>>>> <ogr:Name>Crow Site</ogr:Name>
>>>>>>>>>>>>>> <ogr:NAME_1>Bird</ogr:NAME_1>
>>>>>>>>>>>>>> <ogr:Region>Animal</ogr:Region>
>>>>>>>>>>>>>> <ogr:Country>Demoland</ogr:Country>
>>>>>>>>>>>>>> </ogr:OpenDemolandHealthFacilities>
>>>>>>>>>>>>>> </gml:featureMember>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> This seems to import fine, but on the database side, I see
>>>>>>>>>>>>>> this
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Crow Site | [[-45.0465,30.9045]]
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Note, the double square brackets. The GIS says there are no
>>>>>>>>>>>>>> valid coordinates.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> When I replace these double brackets with single ones
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Crow Site | [-45.0465,30.9045]
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Things work OK. This is a 2.19 snapshot version, unsure of
>>>>>>>>>>>>>> the revision.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Is this an issue possibly with rev 18488?
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Regards,
>>>>>>>>>>>>>> Jason
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> --
>>>>>>>>>>>>>> Jason P. Pickering
>>>>>>>>>>>>>> email: jason.p.pickering@xxxxxxxxx
>>>>>>>>>>>>>> tel:+46764147049
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>>> 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
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Knut Staring
>>>>>>> Dept. of Informatics, University of Oslo
>>>>>>> Norway: +4791880522
>>>>>>> Skype: knutstar
>>>>>>> http://dhis2.org
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> 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
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>>
>>>>>> *******************************************
>>>>>>
>>>>>> Calle Hedberg
>>>>>>
>>>>>> 46D Alma Road, 7700 Rosebank, SOUTH AFRICA
>>>>>>
>>>>>> Tel/fax (home): +27-21-685-6472
>>>>>>
>>>>>> Cell: +27-82-853-5352
>>>>>>
>>>>>> Iridium SatPhone: +8816-315-19274
>>>>>>
>>>>>> Email: calle.hedberg@xxxxxxxxx
>>>>>>
>>>>>> Skype: calle_hedberg
>>>>>>
>>>>>> *******************************************
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>>
>>>>> *******************************************
>>>>>
>>>>> Calle Hedberg
>>>>>
>>>>> 46D Alma Road, 7700 Rosebank, SOUTH AFRICA
>>>>>
>>>>> Tel/fax (home): +27-21-685-6472
>>>>>
>>>>> Cell: +27-82-853-5352
>>>>>
>>>>> Iridium SatPhone: +8816-315-19274
>>>>>
>>>>> Email: calle.hedberg@xxxxxxxxx
>>>>>
>>>>> Skype: calle_hedberg
>>>>>
>>>>> *******************************************
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> 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
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Jason P. Pickering
>>>> email: jason.p.pickering@xxxxxxxxx
>>>> tel:+46764147049
>>>>
>>>> _______________________________________________
>>>> 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
>>>>
>>>>
>>>
>>
>>
>> --
>>
>> *******************************************
>>
>> Calle Hedberg
>>
>> 46D Alma Road, 7700 Rosebank, SOUTH AFRICA
>>
>> Tel/fax (home): +27-21-685-6472
>>
>> Cell: +27-82-853-5352
>>
>> Iridium SatPhone: +8816-315-19274
>>
>> Email: calle.hedberg@xxxxxxxxx
>>
>> Skype: calle_hedberg
>>
>> *******************************************
>>
>>
>> _______________________________________________
>> 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
>>
>>
>
>
> --
> Knut Staring
> Dept. of Informatics, University of Oslo
> Norway: +4791880522
> Skype: knutstar
> http://dhis2.org
>
References
-
Possible issue with GML import
From: Jason Pickering, 2015-03-24
-
Re: Possible issue with GML import
From: Jan Henrik Øverland, 2015-03-24
-
Re: Possible issue with GML import
From: Halvdan Grelland, 2015-03-24
-
Re: Possible issue with GML import
From: Halvdan Grelland, 2015-03-24
-
Re: Possible issue with GML import
From: Halvdan Grelland, 2015-03-24
-
Re: Possible issue with GML import
From: Jason Pickering, 2015-03-24
-
Re: Possible issue with GML import
From: Halvdan Grelland, 2015-03-24
-
Re: Possible issue with GML import
From: Knut Staring, 2015-03-24
-
Re: Possible issue with GML import
From: Calle Hedberg, 2015-03-25
-
Re: Possible issue with GML import
From: Calle Hedberg, 2015-03-25
-
Re: Possible issue with GML import
From: Jason Pickering, 2015-03-25
-
Re: Possible issue with GML import
From: Halvdan Grelland, 2015-03-25
-
Re: Possible issue with GML import
From: Calle Hedberg, 2015-03-27
-
Re: Possible issue with GML import
From: Knut Staring, 2015-03-27