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

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Newline appears after when converting shapefile to spatialite

I converted a layer from a shapefile format to spatialite. A line is added in the spatialite layer but record is not created in the attribute table (similar to multipart geometry). Shape file to ...
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2answers
41 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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2answers
229 views

Defining spatial operators (Equals, Disjoint, Touches, Within, Overlaps, Crosses, Intersects, Contains, Relate)?

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 ...
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1answer
328 views

Import Shapefile into Existing Spatialite Table

I am working with a Spatialite database and a series of shapefiles. I have an empty spatialite table that has geometry and columns. What I would like to do is to load the shapefiles into the ...
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1answer
30 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 ...
2
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2answers
191 views

spatialite - azimuth function not available

I am working with last spatialite versions on both Windows (7) and Ubuntu (13.10). I installed these from reference spatialite website. For both, version that I downloaded is 4.1.1 (nevertheless in ...
2
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0answers
60 views

geodjango difficulties with srid

I'm trying to make geodjango app. I'm using SQLite and SpatialLite. I want to add shops, and be able to sort them from closest to furthest from my location. When in my model I have: location = ...
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2answers
251 views

Incorrect display of national characters from Spatialite in QGIS, Windows

I used this tutorial by underdark (thanks much :-) ) to convert my area of interest from OSM file (whole Czech Republic downloaded from Geofabrik.de server). Used OSGEO4W shell (saying "GDAL 1.11.0, ...
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1answer
155 views

How to Set SRID in Spatialite

How do you update the SRID in a SpatiaLite table? I am using the QspatiaLite plugin or the SpatiaLite_Gui program to send this SQL to the table: UPDATE myTable SET geom = SETSRID(geom,26910) ...but ...
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1answer
393 views

Create Buffer in meters Spatialite query

I am new to Spatialite. I have following query: select A.* from linka as A, pointa as B where Contains(Buffer(B.Geometry, 100), A.Geometry) Here, A.Geometry = LINESTRING(23.2161 69.95237, ...
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22 views

Running SQL on already opened SpatiaLite database

I am updating a plugin in QGIS 2.2 and would like to run sql on a SpatiaLite layer (nodes). The database is already loaded and the table is loaded as a vector layer in QGIS. Is there a way I can ...
2
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1answer
95 views

Creating Spatialite DB from Swedish OSM

Good afternoon, I have just started to use GDAL/OGR and I am trying to create a spatialite DB from OSM data. I am using a cut of the Swedish OSM data downloaded from Geofabrik in .osm format. I have ...
2
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0answers
238 views

Performance issue with SQLite + Spatialite + C#

I am having a performance issue with SQLite database (.db) which extends to SPATIALITE I am trying to update Geometry of 1,00,000 records in database (.db) which taking around 50 minutes. Too much ...
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1answer
14 views

Can't understand Return value in gaiaLineLocatePoint_r

I am trying to develop a C application that finds the nearest point on a linestring from another point, in spatialite. I found the two API's gaiaLineLocatePoint_r and gaiaLineLocatePoint , but I am ...
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2answers
500 views

Binding between QGIS custom form (Qt Designer) and date/time field in a SpatiaLite database table

For my attribute table I created a custom form in Qt Designer. The table has a date field and a time field. In Qt Designer there are widgets for entering date and time. But what data type is expected ...
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2answers
3k views

How to turn sqlite lat/lon columns to spatialite geometry?

I have a sqlite database with a table that has a column for longitude and one for latitude. Is there a way to make this data base 'spatial'?
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1answer
57 views

Why can't I add a Spatialite table with clip results in QGIS?

I have 2 layers and I want to make a clip of layer 1 with layer 2 in SpatiaLite (I'm using the DB Manager within QGIS). That's the code I'm using: create table clipped_lines as select * from lines, ...
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2answers
523 views

What's a good way store borehole data in SQLite / SpatiaLite?

I have a bunch of bores / wells with downhole data. The 'header' info for each borehole can easily go into a single table, but I'm wondering how best to store the downhole log data. Typically they are ...
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44 views

QspatiaLite Snapping fails if multiple target vertices within tolerance distance

I assumed that SpatiaLite's Snapping would snap to the nearest candidate vertex - however, it turned out that the result becomes unpredictable, if there are several target vertices within tolerance ...
4
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1answer
152 views

ST_Touches function in Spatialite

I'm a newbie to Spatialite so forgive me if the answer to my question is obvious...(I tried looking online but couldn't find the answer to this question). I am trying to use the function ST_touches in ...
2
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3answers
76 views

Need to extract OSM data for my area from 2 neighbor countries

I need to prepare offline background data for my area of interest which is located around border between Czech Republic and Germany. I need to convert the OSM data to spatialite and then to use in ...
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0answers
106 views

Preserve datatypes when using SQLite and QGIS

Following Nathan's SpatiaLite/DBManager solution in this answer, I find that once the layer is loaded from DB Manager into QGIS (2.6.1), any calculated fields are appearing as text values instead of ...
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0answers
22 views

SpatiaLite / QspatiaLite: get subgroup row ids

I'm using QspatiaLite plugin to join polygon ids to points that are within those polygons. Now I' d like to get subgroup rownumbers for each subgroup of points with same polygon id! Like so.. grp_ID ...
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3answers
292 views

A global, grid-like projection for creating heatmaps

I'm putting together an application where I need to create a vector grid which will be used to store and display a heatmap. It has the following requirements: Can cover the entire planet. The vast ...
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1answer
168 views

Spatialite in GeoDjango - “…they do not properly define db_type…”

I've started a new project and choose GeoDjango for it. Because I already developed with Django and sqlite as a DBMS and all worked perfectly fine for me, I found it a great option to use spatialite ...
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169 views

QGIS 2.4 - DB Manager - Spatialite Database - Added columns not shown - How to apply fix by Kuhn?

First: I´m only using the built in menus of QGIS 2.4, not entering code manually. I have a simple Spatialite Database with a Polygon Layer and two columns (Text_ID and Description). I used DB Manager ...
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1answer
80 views

How to create temporary tables in spatialite?

How do you create a temporary table with geometry column in spatialite? I have tried: CREATE TEMP TABLE rivers (code INTEGER, id INTEGER, name TEXT); Followed by: SELECT ...
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140 views

Simplifying geometries and calculating non-spatial averages

I'm quite new to using proper spatial tools, and have a simple question that doesn't immediately show up on google. I have a table that contains multiple rows of empiric data (say, speed of a ...
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1answer
46 views

Splitting multiline into several same-length multilines

Is there a method to convert a multiline geometry into several multiline geometries having the same length? For example break this: MULTILINESTRING((1 1, 3 1, 3 1.5, 2.5 1.5)) Into [approximately] ...
2
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0answers
86 views

ogr2ogr fileGDB translating points

I am converting data from spatialite to fileGDB (and reverse) for a project using QGIS and ArcGIS. When I convert using ogr2ogr (or QGIS) from spatialite to fileGDB, the points are translated ...
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1answer
299 views

How does Spatialite handle concurrent access?

I understand that Spatialite is meant to be used by a single user/machine at a time. However if the data is stored on server, there is no guarantee that someone on another machine will not also open ...
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54 views

QGIS vector edition corrupts SpatiaLite attribute table

I have a problem with edit SpatiaLite Layer on QGIS. When I make a this set of editions: cut line, delete a part, insert a new line and save it, the attribute table is corrupted. I was thought that ...
0
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1answer
68 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 ...
3
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1answer
138 views

QGIS Quantile method

I have a question about the quantile classification in QGIS (2.6 and master, windows or linux). I used the points in polygon fonction. I have 100 polygons. In the attributes of my 100 polygon I get ...
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1answer
98 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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1answer
17 views

How to drop a table in spatialite that starts with a certain string?

I am using spatialite (v4.2.0) on a Windows 7 (64bit) PC. I need a way to drop a specific table that always begins with "_old" from my database. The file may not be in the database in the first ...
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1answer
115 views

How to save multiple layers from QGIS to a Spatialite db?

I thought I had asked this before but I can't find any trace of it. Each time I save a layer from QGIS as a spatialite it insists on creating a new db ( if you select a existing db you are asked ...
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2answers
303 views

QGIS export ESRI Shapefile to SpatiaLite format issue

I am trying to export a shapefile of 3221 mixed POLYGON and MULTIPOLYGON geometry elements and every time, I get this same error: Does anyone have any idea what's going on? And no, this is not an ...
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1answer
50 views

How to create non-duplicate lines between all selected points in Spatialite?

There is a nice answer for the similar question for PostGIS. I tried to adapt it for my case where I need to connect all points from a point layer, but unfortunately I get duplicate geometries: lines ...
3
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1answer
132 views

Spatialite WITH clause issue

I've encountered an issue: when I try to execute in Spatialite_GUI query that contains WITH clause I get SQL error: near "with": syntax error. Also WITH unlike SELECT and other keywords is not ...
2
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0answers
534 views

Sqlite insert java.sql.SQLException: [SQLITE_ERROR] SQL error or missing database (no such column: SRID)

I'm trying to connect to two DBs and then copy tables by inserting rows from one table to another through java using JDBC. I'm using sqlite-jdbc-3.7.2.jar plugin.The setup is in Eclipse Luna. I'm ...
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1answer
65 views

Only my geometry layers are exported from spatialite to postgis

I have a spatialite database (v4.1.1 / SQlite v3.7.17) consisting of one geometry table and several attribute tables linked to the geometry table by foreign keys. I want to export all tables to a ...
2
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0answers
39 views

QGIS “Fill Ring” tool error on SpatiaLite DB?

I´m try Fill Ring tool on a SpatiaLite DB and I get a error on the Primary Key. The Primary Key is integer auto increment. When I insert the ring and try to save editing I receive error message ...
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1answer
105 views

How can I reproject a layer in a spatialite database

I'm writing an android mobile application and, for performance reasons, I want to reproject my layers to match the basemap's projection. Is there a command to do that?
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1answer
95 views

Explicitly close a OGR result object from a call to ExecuteSQL

How can I explicitly close/release the result of an ExecuteSQL statement when querying a Spatialite database with OGR via Python? I have a simple query to return the SRID of a dataset. This works as ...
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1answer
128 views

Spatialite error: obsolete libspatialite

I am learning to use QGIS with the QGIS training manual (from the QGIS website). One of the excercises is to load vector data from a database (ch 3.1.3 in case you have the manual). When I try to do ...
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0answers
87 views

Loading SQLite extensions in QGIS

I have an extension which can be loaded in SQLite using the load_extension function. It would be useful for me if I could load it in QGIS to use in queries made via Database Manager. The Python ...
2
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1answer
69 views

How to rename ogr2ogr tables on export to Spatialite?

I'm exporting data from PostGIS to Spatialite using ogr2ogr. The export is working properly, except I need to be able to rename the tables that are being exported. Here's the command I'm using: ...
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3answers
92 views

Is there a way to add an autoincrementing primary key field to an existing spatialite table/layer?

I know that I can add a new column to a spatialite table either through the Database Manager (Edit Table – Add Column) or through the Attribute Table – Field Calculator (create new field) but I don´t ...
3
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1answer
245 views

Moving SpatiaLite Table into PostgreSQL using ogr2ogr?

How can I move a Spatialite table from a Spatialite db to a PostgreSQL db using ogr2ogr?