SpatiaLite is a spatial extension to SQLite, providing vector geodatabase functionality.

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2
votes
1answer
108 views

OSM import: some features are missing

After importing OSM-Data to my qgis-project (as SpatiaLite database and/or shapefile-extract from planet.osm), some features are missing or have no attribute values. For example that lake: ...
1
vote
0answers
70 views

Problems with connecting QDateEdit and QTimeEdit widgets to corresponding Field in QGIS Layer (shp/spatialite)

Could anybody give me a hint how to connect the QDateEdit and the QTimeEdit widgets with a field in a QGIS layer (shp or spatialite). The fields in the QGIS layers are from datatype "date" ...
1
vote
0answers
94 views

How to build a query tool for spatialite data in QGIS?

I am trying to build some tool for a collegue of mine to query data from a spatialite database while clicking on vector features. My first guess is, that I could do this with an "action" I define for ...
3
votes
1answer
733 views

Multiple geometry columns for points, lines, and polygons in spatialite?

I'm rather new to the GIS world and even newer to Spatialite and trying to create a new DB for our application. I would like to create spatial index(es) on the geometry column(s), but our geometry ...
2
votes
1answer
93 views

Problem while Reprojecting

When I try to transform geometries from SRID 2321 to 4326, the transformed coordinates are swapping. Why is this happening? Below are the details Source SRID - EPSG:2321 Source Data Projection ...
0
votes
1answer
108 views

Geometry Transformation in Spatialite 4.1.1

I am trying to transform a geometry (geo referenced to Australia) POLYGON((-33.917172 151.110971,-33.916443 151.112495,-33.917637 151.113276,-33.917783 151.111512,-33.917253 ...
0
votes
0answers
29 views

How to discard null coordinate points automatically when we make Multipoint Geometry in Spatialite?

I have a Spatialite table that contains a series of 80 coordinates where each coordinate placed into one column in a table. Then, I want to add all those coordinates into one Multipoint Geometry ...
2
votes
0answers
125 views

Added columns in SpatiaLite wont appear in QGIS (attribute table)

I have a SpatiaLite Database with OSM-Data from planet osm (imported with the OSM import tool from QGIS2.0) Everything is fine so far. I can create, export, delete tables and draw them in qgis... but ...
2
votes
1answer
245 views

How to use makeline() function for more than 2 points in spatialite?

Is it possible to use makeline() function to make linestring geometries in spatialite for connecting more than 2 sequence points? Suppose I have four sequence points P1, P2, P3, P4. Or are there any ...
3
votes
1answer
639 views

osm2pgsql loses connection at end of import for large PBF, north-america-latest.osm.pbf

I just wanted to check and see if anybody else out there encountered this issue before I started diving into the code. I'm using osm2pgsql to import OSM data into my Postgres database. I encounter the ...
0
votes
2answers
158 views

QGIS 2.0, SpatiaLite: labels disappear after setting data defined position (x,y)

I added to my SpatiaLite table (.osm-import with the "standard" QGIS-OSM-Plugin) two empty columns x and y (double) to define manually the position of my labels (data defined labeling). But after ...
28
votes
5answers
2k views

Does ArcGIS for Desktop support SpatiaLite?

SpatiaLite is playing an increasing role in my organization. As it stood in 2012, using SpatiaLite alongside ArcGIS Desktop required an amount of importing and exporting of data that was not always ...
5
votes
2answers
122 views

Can someone give the absolute lowdown on the following list of spatial operators

Ok, I have to admit, I don't really delve too deep into the semantics of the spatial operators list below, I'm more of a user, I write software to drive the SQL most of the time and don't really think ...
0
votes
2answers
98 views

Robust importing of shapefile into spatialite database?

I am trying to import shapefiles into a spatialite database using spatialite-gui. I am having problems with the types of the variables since spatialite-gui has no obvious way to handle shapes which ...
1
vote
0answers
149 views

How to create a spatial view when allowing multiple selection in qgis’s edit widget “value relation”?

I've a point layer in qgis and serveral non spatial tables in a spatialite database. In qgis the fields were filled using the edit widget "value relation" (multiple selection allowed for some fields). ...
1
vote
1answer
82 views

draw multipart polygon with one surrounding border

As you can see on the image below, the waterbody is divided by the border line because it consists of several polygons. I could merge the polygon, but I dont want to change the shapefile. Is there ...
3
votes
1answer
140 views

Convert planar distance to ellipsoid (real) distance

I have the following linestring which approximately marks an airport runway: LINESTRING(-381578.819887 6574044.360475, -378513.534443 6574799.475787) # EPSG 3857 LINESTRING(-3.427781 50.732117, ...
2
votes
1answer
97 views

How can I get the ellipsoidal values for length and area using spatialite?

I have spatialite geometry data stored in a spatialite database in WGS 84 (EPSG 4328) format: SELECT Srid(geometry) FROM shape_layer; > 4326 When geometry is being returned as text, it is ...
3
votes
1answer
257 views

pyspatialite: Connot insert geometry

I'd like to insert a row with a point geometry with pyspatialite. The sql looks like this: insert into eqdata(origin_time, url, mag, lat, lon, depth, m_a, region, mt, the_geom) ...
0
votes
0answers
67 views

Is there a limitation in quantity of joined tables using spatialite views?

I've one point layer in qgis and several non spatial tables in a spatialite database. Now I want to create a view as you can see in the following: CREATE VIEW testansicht10 AS SELECT ...
4
votes
1answer
76 views

SpatialLite BulkLoad and Merge

Via the U.S. Census I have downloaded all of the census group shapefiles. These are approximately 19-20GB across 56 shapefiles. I want to merge these to do some testing. Clearly, shape file ...
1
vote
1answer
592 views

Trying to install SpatiaLite 4.3 with SQLite 3.8 on Windows 7

I'm new to the open-source GIS database world, and am trying to have SpatiaLite installed on my Windows 7 machine. I downloaded SQLite 3.8.2 and unpacked the 3 files in a newly created folder ...
7
votes
1answer
949 views

Find Nearest Line Segments to Point

Background From a known Point, I require to establish the nearest surrounding "visible perimeter" against a table of MultiLineStrings, as shown on the diagram. I've searched this site with a number ...
3
votes
1answer
100 views

Rasterlite db with multi table

When working with Spatialite DBs, I can store multiple tables in single DB. But now I want to store multiple raster tables on a single Rasterlite DB. I tried QGIS for conversion but it converts only ...
2
votes
2answers
61 views

How can I display a spatialLite view in a custom data sheet with print composer

I created a spatiaLite Database with a point layer (every point is a tree). Additional I created several tables to fill the columns of the spatial layer with attributes using the editing widget “value ...
0
votes
1answer
244 views

Linked point geometries to linestrings in Spatialite

I have been parsing Canada's radio system frequency open data. It's a single large table per province, containing point geometries for each station callsign. Where a point-to-point link is defined, ...
1
vote
2answers
150 views

sqlite version error with ogr2ogr

I am trying to randomly select some points from a shape file using ogr2ogr and an SQL query via sqlite but it seems to baulk at the sqlite version: ogr2ogr -sql "SELECT * FROM probe_2004to2012 WHERE ...
3
votes
1answer
76 views

How to create a printable data sheet when using edit widget “value realtion” in QGIS 2.0?

I created a spatiaLite Database with a point layer (every point is a tree). Additional I created several tables to fill the columns of the spatial layer with attributes using the editing widget “value ...
1
vote
1answer
238 views

Multiple input shapefiles for ogr2ogr sqlite spatial operations

I'm running up against an issue doing a spatial operation requiring multiple input shapefiles using ogr2ogr and sqlite. I have: ogr2ogr -f "ESRI Shapefile" output.shp input.shp -dialect sqlite -sql ...
0
votes
1answer
58 views

Wrong output wth group by and aggregate function in spatialite

I have a grid and for every cell I want to set the column "landuse" according to the largest intersecting polygon. SELECT grid.PKUID, landuse.landuse, ...
7
votes
2answers
519 views

How do I use the Natural Earth SQLite DB with QGIS?

I just downloaded the Natural Earth data in SQLite format from http://www.naturalearthdata.com/downloads/. I had assumed that this would be a SpatiaLite database, but it appears not to be! QGIS is ...
0
votes
1answer
716 views

How to build a Spatialite road network from OSM data

I'm looking for algorithm which could help me with building my own road network (for routing) from OSM data. I chose Spatialite DB for this, but here I have only one problem: Spatialite provides ...
3
votes
1answer
111 views

How to combine Spatialite Databases

I'm trying to combine a few Spatialite Databases into a single database, so that I can properly reference them, etc. I don't care about referencing them to one another (No foreign keys, etc), but I ...
0
votes
0answers
82 views

QGIS, SpatiaLite and GPS integration

I have QGIS an, access database and a Haicom gps all connected and running on a windows 8 machine. I want to integrate all 3 items so that while in the field i can enter information into the ...
2
votes
0answers
484 views

Building java based desktop map application using embedded database such as spatialite

I am relatively very new to building GIS based applications and have a very limited understanding in this area. So I need some help in building a java based desktop application which would generate ...
6
votes
3answers
3k views

How to find nearest neighbors between two tables with point locations in SpatiaLite?

I have started playing with SpatiaLite today and already stumbled upon a problem. For each point location stored in tableOne I would like to select one, nearest (linear distance) point from tableTwo. ...
2
votes
1answer
489 views

special python library needed for spatialite?

It appears that pyspatialite is very outdated. Do I need a special library like pyspatialite in order to use the spatial functions of spatialite? Or can I just connect to the database via the normal ...
0
votes
1answer
62 views

QGIS Save as Spatialite layer from FileGDB does not add OGC_FID

I have previously (yesterday) been able to save a Spatialite layer from a FileGDB feature class using the Right click/Save as... method in QGIS. Today, however, with no changes to any software (tried ...
1
vote
0answers
115 views

SQL procedure(s) to convert GPS traces to an ordered set of junctions in a network

I have three datasets that I have loaded into a geodatabase (spatialite or PostGIS): A set of GPS points collected from individual trips through urban areas. Points have a unique point id, a group ...
3
votes
1answer
425 views

Why does AddGeometryColumn error using the libspatialite-2 DLL with pysqlite2?

What I'm trying to achieve is to create a geometry column of a point based on the latitude and longitude of that particular row in the already created table. Given the following code: ...
6
votes
1answer
787 views

Is SpatiaLite or SQLite Spatial an Accepted Standard?

The reason why I ask this is because I have been undertaking some testing and have found that there seems to be many implementation and not all of them are interchangeable. For example: FME can read ...
8
votes
1answer
809 views

Is Read Only nature of SQLite support in ArcGIS for Desktop 10.2 documented?

I've recently started creating SQLite geodatabases using ArcGIS for Desktop 10.2 with both ST_GEOMETRY and SPATIALITE storage data types and was impressed by how easy this was to do. I then tried to ...
0
votes
0answers
97 views

How to specify the version of output SQLite database in ogr2ogr?

I'm having issues with a .sqlite database that I generate from PostGIS using ogr2ogr. The data appears to export into SQLite properly, and it loads in TileMill fine, but when I try to add any of the ...
4
votes
2answers
188 views

can Well Known Text tables be used effectively, stored in Access or Base?

My question is: How do I import WKT text data back into QGIS, and how useful could Base or Access be in storing the data using WKT rather than spatially enabling it within a proper GIS database, like ...
0
votes
0answers
159 views

Using distance and transform from geomfromtext from postgis in spatialite

I have the following query which I want to apply on my from postgis to spatialite imported database. The problem is that the result of the distance is always null, while the other selected coloumns ...
4
votes
1answer
411 views

Can Spatialite SQL statements be issued with a python script in QGIS?

In my previous scripting environments (ms-access and Manifold GIS), it was possible to create and execute SQL queries from withing VBA or VB Script procedures. This is really useful for things such ...
1
vote
1answer
132 views

Can SQLite and SpatialLite files be linked

Coming from a ms-access background, it is common to split up larger applications into several database files. An ms-access database can then access data that is in another database via a linked ...
2
votes
1answer
230 views

Spatialite: Convert polygon to multi-polygons based on common field

I have a list of polygons which should be multipolygons: PK_UID | PolygonID | Geometry ------------------------------ 1 | 1 | polygon 2 | 2 | polygon 3 | 1 | ...
1
vote
0answers
238 views

Qgis 1.8.0 throws error “Can not find the entry point sqlite3_rtree_geometry_callback”

Loading QGIS on Window 8 causes this problem: Can not find the entry point sqlite3_rtree_geometry_callback in the procedure of dynamic loading C:\....\Quantum GIS Lisboa \ bin \ spatialite.dll ...
1
vote
2answers
387 views

How to speed up spatialite-query using spatialindex?

I have got 2 tables, one of type LineLayer called strlayer, the other one is a PolygonLayer called blayer. The LineLayer contains two rows called fromBland and toBland that should be filled with an ...