Questions tagged [ogr]
The OGR Simple Features Library is a C++ open source library (and command line tools) providing access to vector file formats.
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Issues with GDAL installation - ogr not available?
I am attempting to install GDAL on my Windows 10 machine. I have previously done this successfully using the wheels from Gohlke's now deprecated site so I am learning a new way to do an old thing. ...
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OGR_STYLE Label 'anchor position' not applying in MapInfo Tab file
I've tried creating a label feature in MapInfo using an OGR_STYLE column, but the anchor position (p:12) doesnt seem to be being applied to the label.
e.g. LABEL(f:"Arial, Helvetica", c:#...
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How to create one buffer around all the points using ogr2ogr?
I know how to make a buffer around each point,
$ ogr2ogr oom.csv a1.houses.csv -lco GEOMETRY=AS_WKT -dialect SQLITE -sql \
"SELECT ST_Buffer(GEOMETRY,.01,1) AS WKT FROM 'a1.houses'"
$ cat ...
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gdal ogr transform c++ swaps axis order x to y [duplicate]
This is example
#include "gdal/gdal.h"
#include "gdal/ogr_spatialref.h"
#include <iostream>
void TransformBounds(double xmin, double ymin, double xmax, double ymax,
...
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Is it possible to get features by the WFS vector driver in a coordinate system that is not the default srs regarding the WFS capabilities?
We currently experiment with the gdal java bindings to receive data from a WFS service.
Regarding the WFS specification a FeatureType must define its default coordinate system (Tag DefaultCRS).
We ...
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Error in dissolving shapefile with ogr2ogr
I am trying to dissolve a shapefile having polygon geometries. I want to dissolve the shapefile which will create a single multi-polygon geometry.
ogr2ogr -dialect sqlite -sql SELECT ST_Union(geometry)...
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Writing to FlatGeoBuf using Python OGR results in "ERROR 1: ICreateFeature: Mismatched geometry type"
When I try to create even very basic point geometries using OGR's FlatGeoBuf driver in Python, I keep getting this error: "ERROR 1: ICreateFeature: Mismatched geometry type"
Here is a ...
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Specify layer when using a geopackage in ogr2ogr
I want to clip a vector-layer by another layer with ogr2ogr as explained here.
I always struggle to find out how to refer to a layer in ogr2ogr for input and output. Does anyone have a quick tip?
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Read only the structure of a geopackage using GDAL/OGR?
I'm trying to figure out if it's possible to only show the structure (layer names, field names and types, constraints, etc) of a GeoPackage which has no data record using GDAL/OGR (ogrinfo).
Is it ...
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MaxRev.Gdal.Core - OSGeo.OGR driver.createdatasource fails with System.NullReferenceException
I try to create a new GeoPackage file and write some point data into it. But my code already fails, when I try to create the new GeoPackage file.
I try to create this file within an unix/C# ...
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How to extract the integer-based geometry type code from an OGR feature
Main question
Using OGR in Python, how can I extract the integer-based geometry type code for a specific feature?
I know how to do this when dealing with a whole layer. For example, reading a layer ...
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How to set a 'dataset open option' in ogr on a file geodatabase?
In the documentation for the GDAL/OGR OpenFileGDB driver, there is a Dataset open option called LIST_ALL_TABLES. Using python, how exactly do I set that?
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Let ogr/GDAL automatically choose Driver based on file extension
I inherited some code for a QGIS Python plugin which uses the ogr module. For each usage of ESRI Shapefiles is hardcoded due to the loading of the respective driver (ogr.GetDriverByName("ESRI ...
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How to combine ODA File Converter with OGR (GDAL) so that dwg is a format option
I have downloaded ogr/gdal with QGIS 3.34.1 and I have downloaded the ODA file converter from https://www.opendesign.com/guestfiles/oda_file_converter
However, I am not sure how to combine the two so ...
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How to assign a layer to a group in GDB datasets using gdal python
I'm currently working with ESRI GDB datasets and I can easily open hierarchical geodatabases and walk the tree using the API that gdal provides.
root_group = ds.GetRootGroup()
for g in root_group....
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