def render(name, settings):
settings.setOutputSize(IMAGE_SIZE)
job = QgsMapRendererParallelJob(settings)
#job = QgsMapRendererSequentialJob(settings)
job.start()
job.waitForFinished()
image = job.renderedImage()
if not os.path.exists(image_path):
os.mkdir(image_path)
image.save(os.path.join(image_path, name + '.png'))
return job.renderingTime()
def render(settings):
"""
Render the given settings to a image and save to disk.
name: The name of the final result file.
settings: QgsMapSettings containing the settings to render
exportpath: The folder for the images to be exported to.
"""
job = QgsMapRendererParallelJob(settings)
#job = QgsMapRendererSequentialJob(settings)
job.start()
job.waitForFinished()
image = job.renderedImage()
return image, job.renderingTime()
def renderMapToImageWithTime(mapsettings, parallel=False, cache=None):
"""
Render current map to an image, via multi-threaded renderer
:param QgsMapSettings mapsettings:
:param bool parallel: Do parallel or sequential render job
:rtype: QImage
"""
if parallel:
job = QgsMapRendererParallelJob(mapsettings)
else:
job = QgsMapRendererSequentialJob(mapsettings)
if cache:
job.setCache(cache)
job.start()
job.waitForFinished()
return (job.renderedImage(), job.renderingTime())
