def get_format_list(self):
count = ueye.UINT()
check(ueye.is_ImageFormat(self.h_cam, ueye.IMGFRMT_CMD_GET_NUM_ENTRIES, count, ueye.sizeof(count)))
format_list = ueye.IMAGE_FORMAT_LIST(ueye.IMAGE_FORMAT_INFO * count.value)
format_list.nSizeOfListEntry = ueye.sizeof(ueye.IMAGE_FORMAT_INFO)
format_list.nNumListElements = count.value
check(ueye.is_ImageFormat(self.h_cam, ueye.IMGFRMT_CMD_GET_LIST,
format_list, ueye.sizeof(format_list)))
return format_list
def set_parameters(self, disable_exposure=True):
# Change image format
# formatID = ueye.UINT(5) # Change image format to 2048x1536
formatID = ueye.UINT(8) # Change image format to 1280x960
nRet = ueye.is_ImageFormat(self.hCam, ueye.IMGFRMT_CMD_SET_FORMAT,
formatID, ueye.sizeof(formatID))
if disable_exposure:
# Disable auto exposure
dblEnable = ueye.DOUBLE(0)
dblDummy = ueye.DOUBLE(0)
ueye.is_SetAutoParameter(
self.hCam, ueye.IS_SET_ENABLE_AUTO_SENSOR_GAIN_SHUTTER,
dblEnable, dblDummy)
# Set new exposure value from .ini-file
config = configparser.ConfigParser()
config.read('image_tools/cam_adjustments.ini')
exposure = float(config['EXPOSURE']['exposure'])
newExposure = ueye.DOUBLE(exposure)
ret = ueye.is_Exposure(self.hCam,
ueye.IS_EXPOSURE_CMD_SET_EXPOSURE,
newExposure, ueye.sizeof(newExposure))
# Disable autofocus
ueye.is_Focus(self.hCam, ueye.FOC_CMD_SET_DISABLE_AUTOFOCUS, None, 0)
def ueye_get_image_formats(hcam):
fcnt = ueye.UINT()
cmd = ueye.IMGFRMT_CMD_GET_NUM_ENTRIES
err = ueye.is_ImageFormat(hcam, cmd, fcnt, ueye.sizeof(fcnt))
_throw_if_err(hcam, err)
fl = ueye.IMAGE_FORMAT_LIST((ueye.IMAGE_FORMAT_INFO * fcnt))
fl.nSizeOfListEntry = ueye.sizeof(ueye.IMAGE_FORMAT_INFO)
fl.nNumListElements = fcnt
cmd = ueye.IMGFRMT_CMD_GET_LIST
err = ueye.is_ImageFormat(hcam, cmd, fl, ueye.sizeof(fl))
# aufschluesseln auf human readable
fl2 = {fi.nFormatID.value: fi for fi in fl.FormatInfo}
ret = {}
for k, v in sorted(fl2.items()):
ret[k] = v.strFormatName.decode("utf-8")
return ret
def ueye_set_image_format(hcam, formatid) -> None:
fid = ueye.int(formatid)
cmd = ueye.IMGFRMT_CMD_SET_FORMAT
err = ueye.is_ImageFormat(hcam, cmd, fid, ueye.sizeof(fid))
_throw_if_err(hcam, err)
import cv2 from pyueye import ueye from pyueye_example_camera import Camera from pyueye_example_utils import ImageData, ImageBuffer import time import numpy as np # Initialize camera cam = Camera() cam.init() nRet = ueye.is_ResetToDefault(cam.handle()) # Change the format to 1280x960 formatID = ueye.UINT(8) nRet = ueye.is_ImageFormat(cam.handle(), ueye.IMGFRMT_CMD_SET_FORMAT, formatID, ueye.sizeof(formatID)) cam.alloc() # Allocate image memory # Disable auto exposure dblEnable = ueye.DOUBLE(0) dblDummy = ueye.DOUBLE(0) ueye.is_SetAutoParameter(cam.handle(), ueye.IS_SET_ENABLE_AUTO_SENSOR_GAIN_SHUTTER, dblEnable, dblDummy) newExposure = ueye.DOUBLE(30) ret = ueye.is_Exposure(cam.handle(), ueye.IS_EXPOSURE_CMD_SET_EXPOSURE, newExposure, ueye.sizeof(newExposure)) ueye.is_Focus(cam.handle(), ueye.FOC_CMD_SET_DISABLE_AUTOFOCUS, None, 0) # Disable autofocus focus_overview = ueye.INT(205) # Focus value for overview image (taken from 570mm above table) focus_closeup = ueye.INT(144) # Focus value for closeup image (taken from 190mm above table)
