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Introduction to PyQGIS.

In this learning series, we explain basics of using of Python QGIS.

Articles in this series

1- Open Python console

Jun 25, 2021 1 min read 207 views

QGIS provides PyQGIS (Python API). It allows developers to built new tools and automates work. QGIS provides Python console for scripting. You can...

2- Typing in Python console

Jun 25, 2021 1 min read 131 views

In the Python console use print() function to write. Print("Hello My Dear Learner!") Then click "Enter" If you like the content, please SUBSCRIBE to...

3- Writing script on "Script editor"

Jun 25, 2021 1 min read 94 views

For long scripts, you can use Script editor. To open it, click on 'Show Editor". If you like the content, please SUBSCRIBE to my channel for the...

4- Loading a vector layer

Jun 25, 2021 1 min read 98 views

You can download the data that we are using. Then, get the path of the shapefile uri = "D:/Python_QGIS/data/Countries.shp" The format is: vlayer =...

5- Loading raster files

Jun 25, 2021 1 min read 58 views

For loading raster files, GDAL library is used. Firstly, download the data. Then, get the path of the raster file: uri =...

6- Retrieving information of vector layer

Jun 25, 2021 1 min read 66 views

We use fields() on a QgsVectorLayer to retrieve information about the fields of a vector layer. uri = "D:/Python_QGIS/data/Countries.shp" vlayer =...