Python

Merging multiple shapefiles into one shapefile using python and GeoPandas

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GeoPandas is one of the most famous python GIS library that can automate your GIS workflows. GeoPandas provides good functionality and features to create really good geoprocessing tools like geospatial analysis, reading/writing from/to postgis database, transforming GIS data between different formats etc. In this tutorial, we will learn how to merge multiple shapefiles into one …

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Create fishnet grid using Python, GeoPandas and Shapely

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There are many use cases in GIS where we need to compute parameters or aggregate information based on fishnet. One of the use case is to aggregate information for million of points on fishnet. Then use this aggregated fishnet layer to render on map. This aggregated fishnet layer will be more intuitive in nature than …

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Polygonize Raster using Rioxarray and GeoPandas

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Rioxarray is python library which combines xarray and rasterio library for raster analysis. Xarray is open source and python packages that makes working with labelled multi dimensional array very efficient. RasterIO is open source and python package based on gdal to read/write and analyze raster data. Rioxarray extends xarray with rasterio accessor. One of the …

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Import shapefiles using GeoPandas and PsycoPG2.

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GeoPandas is great python library to process your vector data. It has direct support for postgis database where you can directly read/write from/to postgis database. GeoPandas internally uses SqlAlchemy API to manage database specific operations like reading from PostGIS, writing to PostGIS etc. SqlAlchemy can be used for almost all the databases out there like …

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Import Shapefile to PostgreSQL/PostGIS database using GeoPandas/Python

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The usage of Python in GeoSpatial field has exponentially grown. Almost every GIS desktop software provide python integration. QGIS, famous open source GIS software, has python interface. Python has many open source GIS libraries for example GDAL, Fiona, GeoPandas, RasterIO, Shapely, Xarray Spatial etc. These libraries can process both raster as well as vector data. …

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