def export_atlas(qgs_project_path, layout_name, outputs_folder):
# Open existing project
project = QgsProject.instance()
project.read(qgs_project_path)
print('Project in ' + project.fileName() + ' loaded successfully')
# Open prepared layout that as atlas enabled and set
layout = project.layoutManager().layoutByName(layout_name)
myAtlas = layout.atlas()
myAtlasMap = myAtlas.layout()
# Export atlas
exporter = QgsLayoutExporter(layout)
settings = QgsLayoutExporter.ImageExportSettings()
image_settings = QgsLayoutExporter(myAtlasMap).ImageExportSettings()
image_settings.dpi = 300
image_settings.generateWorldFile = 1
#source : https://stackoverflow.com/questions/51161361/how-to-disable-anti-aliasing-in-qgis-export-pyqgis
context = QgsLayoutRenderContext(layout)
context.setFlag(context.FlagAntialiasing, True)
image_settings.flags = context.flags()
exporter.exportToImage(myAtlas,outputs_folder, 'tiff', image_settings)
def export_atlas(qgs_project_path, layout_name, filepath):
imageExtension = os.path.splitext(filepath)[1]
imageExtension = imageExtension.lower()
# Open existing project
project = QgsProject.instance()
print(os.path.abspath(os.path.dirname(qgs_project_path)))
os.chdir(os.path.abspath(os.path.dirname(qgs_project_path)))
project.read(os.path.abspath(qgs_project_path))
project.readPath(os.path.abspath(os.path.dirname(qgs_project_path)))
#print(f'Project in "{project.fileName()} loaded successfully')
print('Project in "{fn} loaded successfully'.format(fn=project.fileName()))
# Open prepared layout that as atlas enabled and set
layout = project.layoutManager().layoutByName(layout_name)
# Export atlas
exporter = QgsLayoutExporter(layout)
settings = QgsLayoutExporter.ImageExportSettings()
img_path = os.path.dirname(filepath)
filename = os.path.basename(filepath)
myAtlas = layout.atlas()
myAtlasMap = myAtlas.layout()
myAtlas.setFilenameExpression(img_path)
pdf_settings = QgsLayoutExporter(myAtlasMap).PdfExportSettings()
image_settings = QgsLayoutExporter(myAtlasMap).ImageExportSettings()
image_settings.dpi = 96
svg_settings = QgsLayoutExporter(myAtlasMap).SvgExportSettings(
) #https://qgis.org/api/structQgsLayoutExporter_1_1SvgExportSettings.html
print('layout_name= {layout_name} '.format(layout_name=layout_name))
print('try export to {img_path} '.format(img_path=img_path))
if imageExtension == '.jpg':
if os.path.isfile(os.path.join(img_path, 'output_0.jpg')):
os.unlink(os.path.join(img_path, 'output_0.jpg'))
for layout in QgsProject.instance().layoutManager().printLayouts():
if myAtlas.enabled():
print('signal')
result, error = QgsLayoutExporter.exportToImage(
myAtlas,
baseFilePath=img_path + '//',
extension=imageExtension,
settings=image_settings)
if not result == QgsLayoutExporter.Success:
print(error)
os.rename(os.path.join(img_path, 'output_0.jpg'),
os.path.join(img_path, filename))
if imageExtension == '.png':
if os.path.isfile(os.path.join(img_path, 'output_0.png')):
os.unlink(os.path.join(img_path, 'output_0.png'))
for layout in QgsProject.instance().layoutManager().printLayouts():
if myAtlas.enabled():
print('signal')
result, error = QgsLayoutExporter.exportToImage(
myAtlas,
baseFilePath=img_path + '//',
extension=imageExtension,
settings=image_settings)
if not result == QgsLayoutExporter.Success:
print(error)
os.rename(os.path.join(img_path, 'output_0.png'),
os.path.join(img_path, filename))
if imageExtension == '.pdf':
#if os.path.isfile(os.path.join(img_path,'output_0.jpg')):
# os.unlink(os.path.join(img_path,'output_0.jpg'))
for layout in QgsProject.instance().layoutManager().printLayouts():
if myAtlas.enabled():
result, error = QgsLayoutExporter.exportToPdf(
myAtlas,
img_path + '//output_0.pdf',
settings=pdf_settings)
if not result == QgsLayoutExporter.Success:
print(error)
os.rename(os.path.join(img_path, 'output_0.pdf'),
os.path.join(img_path, filename))
if imageExtension == '.svg':
for layout in QgsProject.instance().layoutManager().printLayouts():
if myAtlas.enabled():
result, error = QgsLayoutExporter.exportToSvg(
myAtlas,
img_path + '//output_0.svg',
settings=svg_settings)
if not result == QgsLayoutExporter.Success:
print(error)
os.rename(os.path.join(img_path, 'output_0.svg'),
os.path.join(img_path, filename))
