linescan_issue.py

import logging
import platform
import sys
from time import sleep

from harvesters.core import Harvester

logging.basicConfig(stream=sys.stdout, format='%(asctime)s %(levelname)s %(name)s - %(message)s', level=logging.DEBUG)
logger = logging.getLogger('root')


def get_driver_path():
    if platform.system() == "Linux":
        return "/opt/mvIMPACT_Acquire/lib/x86_64/mvGenTLProducer.cti"
    else:
        return "C:\Program Files\MATRIX VISION\mvIMPACT Acquire\\bin\\x64\mvGenTLProducer.cti"


if __name__ == '__main__':
    harvester = Harvester()
    harvester.add_file(get_driver_path())
    harvester.update()
    device_list = harvester.device_info_list
    camera = harvester.create({'serial_number': "H2420737"})
    camera.remote_device.node_map.PixelFormat.value = "RGB8"
    camera.remote_device.node_map.Height.value = 50
    camera.remote_device.node_map.AcquisitionLineRate.value = 5000
    camera.remote_device.node_map.ExposureTime.value = 197.0

    camera.start()
    for i in range(100):
        with camera.fetch() as buffer:
            payload = buffer.payload
            if payload.components[0] is not None:
                component = payload.components[0]
                width = component.width
                height = component.height
                if width > 0 and height > 0:
                    logger.info(str(width) + " " + str(height))
                else:
                    logger.warning("Wrong w/h of buffer %s/%s", width, height)
            else:
                logger.warning("Empty buffer received")
    camera.stop()
    logger.info("Sleeping")
    sleep(10)
    camera.start()
    for i in range(100):
        with camera.fetch() as buffer:
            payload = buffer.payload
            if payload.components[0] is not None:
                component = payload.components[0]
                width = component.width
                height = component.height
                if width > 0 and height > 0:
                    logger.info(str(width) + " " + str(height))
                else:
                    logger.warning("Wrong w/h of buffer %s/%s", width, height)
            else:
                logger.warning("Empty buffer received")
    camera.stop()
    camera.destroy()
    harvester.reset()