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

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joining polylines on geometry and attribute

I have dowloaded an Open street Map shapefile containing streets and their attributes, for my whole country. I have qgis and spatialite_gui and a very basic understanding of SQL The problem I have is ...
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48 views

Differences between PostGis and SpatiaLite [duplicate]

I am working on spatial data where there is quite a lot of data (mainy data from GBIF for people who know it). It is not so complicated analyses (I am not Gis Expert!). I am currently working with ...
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123 views

Spatialite android trigger problem

I am developing an android application that uses the database spatialite, I use this project to integrate the database on android https://code.google.com/p/spatialite-android/ It works normally, ...
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128 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" ...
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136 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 ...
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337 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 ...
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442 views

Mapnik - Weird tiles rendering when used with spatialite

I use Mapnik in an GeoDjango App with Spatialite 4.0 as backend. There is something weird with the tiles that I suspect might be related with a bad handling of mbr with spatialite. If you look at ...
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145 views

About spatialite views and Attribute table

I try to use views with spatial column in spatialite. I can connect to spatialite database and load the layer without problems but when I try to view data in Attribute Table I can't get eny data; all ...
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spatialite sql and possibly using case

i have a database that has got tables with images and some of the tiles for the images is repeated and i want to eliminate the duplicates based on which imagery is oldest so as to remain with the ...
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78 views

rasterlite build issues

i am able to build rasterlite library but when it is building .exe for tools(rasterlite_load) it gives linking error for external symbole SPLite3 like this rasterlite_load.obj : error LNK2019: ...
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758 views

Inconsistent Spatialite Update Behavior; SRID not allowed?

I have two tables: crime and (police) stations. The latter has only 4 records with (name, lat, lng) fields. The former has over 500K records with two California Zone 2 (ft) coordinate columns named ...
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201 views

How to retrieve the value of a cell in RasterLite?

Just wanting to know the SQL statement needed to find out the pixel value for a location, when the raster is loaded into SpatialLite as a Raster? I loaded the Raster using rasterlite_load -d ...
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287 views

Have I created a valid Spatialite database?

I didn't manage to find the better way to populate the exisiting Spatialite database with new computed data than just creating new columns and filling them in the Python script. You can see that the ...
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206 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 ...
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377 views

Using the API of QSpatiaLite plugin

I am using the popular QSpatiaLite plugin for QGIS. Since I am creating and modifying SpatiaLite tables directly with Python (using pyspatialite), I wonder whether I can automate tasks such as ...
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82 views

QSpatiaLite query syntax

Using the QSpatiaLite plugin in QGIS I composed the following query SELECT 'AddressPoint_2'.'buildingNu', 'AddressPoint_2'.'postCode' WHERE 'AddressPoint_2'.'postCode' = 'NR13 3AA' FROM ...
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329 views

Problem in Spatialite database creation

When I try create a new DataBase, Spatialite plugin return the dialog error box: The SQL query seems to be invalid. no suck table: views_goemetry_columns When I click in OK button, a second dialog ...
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63 views

Not able to load a DEM raster into Spatialite

I am using Spatialite to store a DEM raster with terrain values (GMTED2010 from Nasa). To be more precise, I am using the version: spatialite_gui-1.7.1-win-x86.zip plus rasterlite_load ...
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151 views

Check if point is near a linestring Spatialite

I have a LINESTRING made of two points start point and end point in spatialite. UPDATE points SET road_geometry = GeomFromText('LINESTRING(24.889142 67.196188, 24.889673 67.196579)',4326) where ...
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111 views

How to define which columns in a Spatialite database are the latitude and longitude?

I have imported a CSV containing points with coordinates specified in columns named Latitude and Longitude. How do tell spatialite that these columns are the coordinates of of my points?
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192 views

PtDistWithin() with Geometry from query

I'm trying to run two Spatialite queries in Python — the first one picks a single point from a table, and the second tries to find all points that are within a given distance of it. So my queries look ...
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184 views

ST_Within from centroid of geometry

I am looking at doing a spatial query where I can find when the center of one feature falls within another. For example, when the center (centroid) of a building falls within a grid tile. I know I can ...
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300 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 ...
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162 views

SpatiaLite: Creating to, from nodes from a normal road layer (LINE)

Following this tutorial but using my own data. How do I create the from_node and to_node columns? I am using Spatialite and Sqlite3. I'd prefer to not use a gui as I'm working remotely via ssh on a ...
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237 views

Can I incorporate an existing DBF file with coordinates for Tiff tiles into geodatabase like spatialite?

I have 285 Tiff files that make up the 1:10000 OS map of Norhtern Ireland. I am having problems running QGIS when I try to load all 285 tiff files in for base maps (I think the memory on computer is ...
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28 views

Geometry column read as Numeric after operation in SpatiaLite (QGIS)

Pretty weird problem with SpatiaLite used within QGIS (2.13) with the DB Manager. I have 2 layers (result of the same algorithm) and I use this function to merge them in a new table: CREATE TABLE ...
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36 views

Spatialite function to generate a blob from a geometry

Using QGIS Python API, I want to avoid updating geometry with an UPDATE sql command. Why? I'm using a QSqlRelationalTableModel (see model-view programming if curious) and there are built-in editing ...
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82 views

Qgis 2.10 unable to add a new feature in spatialite via sql function “GeomFromText”

Using Python code in my plugin the function in sql language "GeomFromText(POINT(X Y))" gives the following error: "OperationalError: no such function: GeomFromText" Plugin functions in previous ...
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80 views

How to export to KML from Spatialite command line

The Spatialite GUI can export a Geometry column to KML file. How would one go about doing that from the Spatialite command line? I am looking for an example code preferably - the .help doesn't mention ...
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104 views

Help finding point in polygon via Spatialite with example karst zones data

I'm working on a school project involving Spatialite and point in polygon queries. I've successfully followed this example: http://blog.crazystyle.net/?p=255 I am now trying the same sequence of ...
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74 views

Error doing st_union in spatialite

I have a multipolygon layer in which I want to dissolved based on a class column. The steps I'm doing are: create table tc_2010_00567 (gid int primary key, tc_2010 text(32)); select ...
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80 views

ogr2ogr Spatialite to csv very slow

I am using ogr2ogr to extract point data from a Spatialite db to a csv file:- ogr2ogr -f "CSV" commandtmp.csv dtm2.sqlite -lco GEOMETRY=AS_XYZ -progress -explodecollections the Spatialite db is 7GB ...
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59 views

which spatial server goes better with raster images stored in DB Spatialite?

I would like to serve images from Spatialite as WMS services. As far as I know: Geoserver is compatible with vector features only -if you install the extension-, but not with spatialite BLOBs (in ...
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86 views

SpatiaLite - WITH, view or sub-query?

I am running on Windows 8.1 SpatiaLite_gui 1.8.0, SpatiaLite version 4.2.0 and SQLite 3.8.5. I need to interrogate one single spatial table whith those attributes: ID | val | val_1 | val_2 | Geom ...
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809 views

Error Loading spatialite extension in .NET Project using System.Data.SQLite

I am trying to use Spatialite in a .NET application using the System.Data.SQLite provider. I have tried to load 'libspatialite-4.dll' but an error happens when I call function ...
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179 views

Can SpatiaLite Indexes be used from views?

I'm working with a large SpatiaLite database and trying to take advantage of some spatial indexes I have on my tables that I'm attempting to access through views. Essentially, I have a number of ...
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68 views

Create “starburst” table from two point features with 1:N relationship using Spatialite

I have a point feature called site_investigation and another point feature called sample_location which are in a Spatialite database. They have a 1:N relationship and the primary key is report_id. ...
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237 views

Building x64 SQLite with spatiaLite?

I need a spatial-enabled SQLite solution for a x64 Windows application I am developing. I have examined and downloaded and attempted to compile the SQLite amalgamation package; I've looked at the ...
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176 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 ...
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1answer
292 views

No module named pyspatialite- plugin:Qspatialite, OpenSUSE 13.1

I cannot run the plugin because of module missing. I can't find that module in the OpenSuse repository, and python community repository. I'm using QGIS 2,0 and OpenSuse 13,1 Where can I find ...
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98 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 ...
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173 views

SpatiaLite: dumpkml with name and description

How does one get the optional arguments in .dumpkml working? According to the .help .dumpkml should work like this: .dumpkml table_name geom_column kml_path [precision] [name_column] [desc_column] ...
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325 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, ...
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108 views

Error on rendering linestring

I am using Mapnik 2.0.1rc0 on a Windows 7 with python 2.7 32bits inside a GeoDjango App using xml. The datasource come from spatialite 4.0. My tiling script can render polygon and point features ...
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271 views

GeoDjango - DatabaseError: no such table: spatial_ref_sys with Spatialite

Im going through the GeoDjango Tutorial. I have loaded the WorldBorders shapefile into Spatialite. I can do spatial queries such contains, intersects, but I have a DatabaseError: no such table: ...
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174 views

qspatialite error compiling Qgis 1.8 (linux debian squeeze)

I tried to compile Qgis 1.8 in linux debian squeeze (following the instructions in INSTALL.txt). During 'make' I get the following error: [ 40%] Building CXX object ...
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6 views

Null output from Transform function of Spatialite

I am using Spatialite, an extension of SQlite and I have some problems running the transform function. According to the Spatialite functions page ...
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38 views

How configure Spatialite for PHP Version 5.6.14 (on Windows 7 and Apache 2.4)?

I'm on Windows 7, using PHP Version 5.6.14 on Apache 2.4 and I'm trying to access to a Spatialite database. All works fine when execute "no spatial" SQL query in my PHP procedure but when I try to ...
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40 views

Using peewee ORM with spatialite databases?

I would like to use the peewee orm in front of some Spatialite databases. Getting peewee to connect to a Spatialite database was relatively simple, and basically boiled down to: class ...
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59 views

find pairs of near features with geopandas, fiona, gdal etc

I have a feature class of points, a few thousands I have now, but I expect to deal with hundreds of thousands of points. I would like find pair of points that is within a specific distance. The ...