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GeoPandas Library in Python , Geometric Applications. What is Geopandas Python? How do I install Geopandas in Python?

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What is Geopandas Python?

Geopandas

  • Maps are really useful in visualizing geographical data and changes over the  time.
  • GeoPandas is an open source project (or Python library) to make working with geospatial data in python easier.
  • GeoPandas is just like pandas in python but we use Geodata in Geopandas.
  • Geodata: Spatial data, Geospatial data, GIS data or geodata, are names for numeric data that identifies the geographical location of a physical object such as a building, a street, a town, a city, a country, etc. according to a geographic coordinate system.
  • Geopandas official documentation link (clikc here)

How to plot a Map

To plot a map we must  know the coordinates and shape of that place. We use shapely files in python for this purpose.

Shapely Files (.shp files) : Shapely is a Python package for manipulation and analysis of planar geometric objects.

Geopandas further depends on fiona for file access and descartes and matplotlib for plotting.

Fiona: Fiona reads and writes geographic data files and thereby helps Python programmers to integrate geographic information systems with other computer systems. 

Fiona can read and write real-world data using multi-layered GIS (geographic information system) formats and zipped virtual file systems and integrates readily with other Python GIS packages such as pyprojRtree, and Shapely.

Descartes: Descartes Provides a nicer integration of Shapely geometry objects with Matplotlib. (e.g. plotting polygon).

Note: Before starting with Geopandas, we should install Descartes otherwise we will get an error in map plotting. 

pip install descartes

How do I install Geopandas in Python?

Installation

If you have installed anaconda in your system you can use the following command.

GeoPandas can also be installed with pip, if all dependencies can be installed as well

conda install geopandas or pip install geopandas

For more information and latest versions follow official documentation.

Practical Implementation to understand Functionality of Geopanadas 

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