Questions tagged [python]
Python is an open source interpreted programming language used in many GIS programs.
12,245 questions
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Loading shapefile data in to Python notebook
I am using Python Jupyter Notbook library in earth observation sandbox. I tried to import a shapefile using the code
aoi = "../data/ETH_AW_Boundary.shp"
# Load geographic area of interest
...
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QGIS Processing script to join two layers by two attributes
Since I work a lot with routing and trip matrices I have a daily need for joining two layers by two attributes (origin and destination).
I have had AI to support me in writing a Processing Script for ...
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VectorTranslateOptions() got an unexpected keyword argument 'clipSrc' [closed]
I am working with 2 vector layers, file type .GEOjson.
Using the Python GDAL API, I want to build a set of VectorTranslateOptions() to pass to the VectorTranslate method.
from osgeo import ogr, gdal
#...
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Efficient spatial join with OvertureMaps GeoParquet in SedonaDB
I want to check if points is contained in buildings and if so, join the buildings' attributes to them.
I looked through:
https://sedona.apache.org/sedonadb/latest/quickstart-python/
https://sedona....
- 12.4k
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Creating Mapbox Vector Tiles from GeoJSON without unnecessarily filling holes of the input geometry
I use geopandas/pyogrio to create a Mapbox Vector Tile from a GeoJSON. The shape in the vector tile ends up being wrong: some holes are filled.
Here is an example GeoJSON demonstrating the issue I am ...
- 3,276
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Why is fiona.open causing a PermissionError?
I'm working on a flask app that takes a geojson file and returns a shapefile. Currently it is giving me the error PermissionError: [Errno 13] Permission denied: 'C:\\Users\\john\\Desktop\\...
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GDAL Python bindings crash when calling gdal.Translate/gdal.Warp synchronously in PyQt5 GUI [closed]
I’m experiencing a hard crash (process terminates immediately, no Python exception) whenever I run GDAL operations like gdal.Translate or gdal.Warp synchronously in the main thread of a PyQt5 ...
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What criteria could be used to automatically identify lakes in a DEM?
I have elevation data as a DEM PNG image and would like to automatically detect lakes. I have tried to use the following criteria:
Lakes are areas of adjacent pixels of equal grayscale color.
Pixels ...
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How to use virtual environments within Docker images to access dependencies without having to reinstall GDAL?
I am trying to have a Docker container running an externally accessible JupyterLab, with the from osgeo import gdal Python command not failing. I hope to achieve this without reinstalling gdal ...
- 3,276
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Skeletonize or extract lines from segmentation image
I have this raster:
which I'd like to convert to vector data (linestring) (e.g. a Shapefile).
To this end, I'm using this Python code:
import rasterio
import geopandas as gpd
from skimage.morphology ...
- 11.4k
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Python error: Couldn't load plugin 'Geo-SAM'
I have installed GeoSAM plugin on my QGIS LTS 3.40.11 on windows 11, according to the instruction here.
All steps of python dependencies passed and I installed required packages there after. Now I am ...
- 327
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Windows 11 pytorch installation error
I am following this tutorial to install GeoSAM plugin for QGIS.
As I removed my old QGIS and installed the latest LTS version through OSGeo4W installer it seems that at some point the old installation ...
- 327
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Reduce memory-footprint of point-in-polygon lookups in GeoPandas
Context:
I’m using a polygon layer as a makeshift gazetteer to find approximate addresses for point locations. My current workflow uses geopandas to:
Load the polygon dataset into memory
Use the ...
- 615
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Overcoming temporary file writing error in GDAL
I am trying to use a Python package called hydrosar to apply a water mapping algorithm to a Sentinel-1 image. I am getting the following error:
Attempt to create new TIFF file C:\gdal_temp\tmp_xxxxx ...
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How to create a COG using gdal.Warp without turning transparent pixels to black pixels?
I am trying to create a COG from a TIF file from OpenAerialMap. The initial file appears in QGIS nicely: areas which do not have data are transparent. However, when viewing the COG, some of the no ...
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