12- Map Printing Made Easy with PyQGIS

Learn how to easily print maps using PyQGIS with this step-by-step guide. PyQGIS is a Python library that provides access to QGIS API, allowing you to automate tasks and create custom plugins. In this tutorial, we'll use QgsLayoutExporter() class to export layouts as images, PDFs, and SVGs. Whether you're a GIS professional or a Python developer, you'll find this tutorial helpful to enhance your mapping skills.

We use the QgsLayoutExporter() class to export a layout that we opened:

manager = QgsProject.instance().layoutManager()
print(manager.printLayouts())

layout = manager.layoutByName("Layout1")

We use the QgsLayoutExporter() class to export to image, SVG, and PDF:

exporter = QgsLayoutExporter(layout)

Export to PNG image:

exporter.exportToImage("D:/Python_QGIS/Layout1.png", QgsLayoutExporter.ImageExportSettings())

Export to PDF:

exporter.exportToPdf("D:/Python_QGIS/Layout1.pdf", QgsLayoutExporter.PdfExportSettings())

Export to SVG image:

exporter.exportToSvg("D:/Python_QGIS/Layout1.svg", QgsLayoutExporter.SvgExportSettings())

Use a for loop to export the layout:

for layout in manager.printLayouts():
    exporter = QgsLayoutExporter(layout)
    exporter.exportToImage("D:/Python_QGIS/Image2.png".format(layout.name()),
        QgsLayoutExporter.ImageExportSettings())

In conclusion, this tutorial provides a step-by-step guide on how to easily print maps using PyQGIS. It explains how to use QgsLayoutExporter() class to export layouts as images, PDFs, and SVGs. By following this tutorial, GIS professionals and Python developers can enhance their mapping skills and automate tasks. Overall, this tutorial is a helpful resource for anyone looking to improve their knowledge of map printing with PyQGIS.

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