[Qgis-user] Cannot add sqlite/spatialite layers to qgis (they come in as tables)

Sun Dec 9 13:02:36 PST 2012

The 4.0 version should come with a utility, spatialite_convert, to downgrade  
a database to be version 3.0 compatible. Worth a try.

--
Micha Silver
052-366-5918

-----Original message-----
From: Donovan Cameron <sault.don at gmail.com>
To: qgis-user at lists.osgeo.org
Sent: Sun, 09 Dec 2012, 21:23:11 GMT+02:00
Subject: Re: [Qgis-user] Cannot add sqlite/spatialite layers to qgis (they  
come in as tables)

I guess that confirms it then Alex. The QGIS 'about' window even says
I have spatialite 4.0.0 installed.

QGIS version 1.8.0-Lisboa
QGIS code revision exported
Compiled against Qt 4.8.1
Running against Qt 4.8.1
Compiled against GDAL/OGR 1.9.2
Running against GDAL/OGR 1.9.2
GEOS Version 3.3.6
PostgreSQL Client Version 9.1.1
SpatiaLite Version 4.0.0
QWT Version 5.2.2

I'll let the package maintainers know that QGIS should actually be
built with spatialite v3 in mind.

On Sun, Dec 9, 2012 at 12:16 PM, Alex Mandel <tech_dev at wildintellect.com>  
wrote:
> The plugin requires pyspatialite but QGIS itself has the provider built  
in.
>
> "SpatiaLite version ..: 4.0.0"
>
> Grab an older version of the Spatialite GUI (1.4 or 1.5) or figure out
> how to convert your db to the 3.x variant (I believe the release notes
> mention this is possible). The metadata table changed between 3 and 4
> and QGIS does not have the version 4 stuff yet (it only came out a few
> weeks ago).
>
> Thanks,
> Alex
>
> On 12/09/2012 11:11 AM, Donovan Cameron wrote:
>> Thanks alex, that's definitely helpful.
>> I tried to install pyspatialite with easy_install and it tries to grab
>> "Best match: pyspatialite 3.0.1" which fails with a lot of errors...
>>
>> I can run through the tutorials from the spatialite page and this is the
>> initial output, telling me I am using spatialite 4:
>> SpatiaLite version ..: 4.0.0    Supported Extensions:
>>         - 'VirtualShape'        [direct Shapefile access]
>>         - 'VirtualDbf'          [direct DBF access]
>>         - 'VirtualXL'           [direct XLS access]
>>         - 'VirtualText'         [direct CSV/TXT access]
>>         - 'VirtualNetwork'      [Dijkstra shortest path]
>>         - 'RTree'               [Spatial Index - R*Tree]
>>         - 'MbrCache'            [Spatial Index - MBR cache]
>>         - 'VirtualSpatialIndex' [R*Tree metahandler]
>>         - 'VirtualFDO'          [FDO-OGR interoperability]
>>         - 'SpatiaLite'          [Spatial SQL - OGC]
>> PROJ.4 version ......: Rel. 4.8.0, 6 March 2012
>> GEOS version ........: 3.3.6-CAPI-1.7.6
>> SQLite version ......: 3.7.12.1
>>
>> I only installed QGIS from the GEO openSUSE repo.
>> I wonder if this is a dependency issue for the package maintainers?
>>
>> I have a freshly installed 12.2 KDE on a laptop and that also shows the
>> same output from above when creating a new sqlite db from spatialite.
>>
>>
>> On Sun, Dec 9, 2012 at 12:00 PM, Alex Mandel  
<tech_dev at wildintellect.com>wrote:
>>
>>> On 12/09/2012 10:40 AM, Donovan Cameron wrote:
>>>> I created a sqlite/spatialite db from the spatialite_gui and started to
>>>> import a bunch of shapefiles.
>>>>
>>>> Some of the things I set were the CRS to EPSG:3005 "BC Albers" and
>>> the_geom
>>>> as the name for the geometry field (type is set to auto...)
>>>>
>>>> Then in spatialite_gui I expanded each new table and built a spatial
>>> index.
>>>> I can also right click each the_geom table and see a valid "Map  
Preview".
>>>>
>>>> But I can't open or load this .sqlite files into either spatialite_gis  
or
>>>> qgis.
>>>> So I think this could be a problem with my actual OS (openSUSE 12.2 x64
>>> w/
>>>> KDE).
>>>>
>>>> QGIS loads the layers as tables, not vectors.
>>>> spatialite_gis thrown an error:
>>>>
>>>> Missing or invalid Spatial Metadata tables:
>>>> - spatial_ref_sys
>>>> - geometry_columns
>>>>
>>>> Sorry, cowardly quitting ...
>>>>
>>>> But those tables are in the .sqlite db under the "Metadata" portion.
>>>>
>>>> From the layer menu in QGIS, I can't create a layer in a sqlite db. It
>>> says
>>>> that my layer is invalid and can't be created. Then I can't even see  
this
>>>> sqlite database (that got created successfully, it's just the layer  
that
>>>> failed creation) when navigating from the add vector window. But I can
>>> see
>>>> it when trying to load from spatialite_gis but that throws the same
>>> error.
>>>>
>>>> I noticed in the DB Manager plugin, it says that pyspatialite is  
missing
>>>> and that package isn't available for openSUSE in the open build  
service,
>>>> unless it goes by a different name...
>>>>
>>>
>>> to solve the missing pyspatialite:
>>> easy_install pyspatialite
>>> OR
>>> pip install pyspatialite
>>>
>>> packages for above commands
>>> python-setuptools
>>> python-pip or python-distrubute
>>>
>>> Keep in mind that many python packages do not come in the distros but
>>> are platform independent and easy to install from the pypi python repo
>>> using setup tools or pip.
>>>
>>> This doesn't solve your original issue. What version of spatialite are
>>> you using. QGIS doesn't support the new 4.0 stuff yet...
>>>
>>> Thanks,
>>> Alex
>>>
>>
>>
>>
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>>
>
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