[1.1.17] Python wrapper: Can't set pixel format with enum type

[sjrodahl]

Calling vz_cam.VZ_SetColorPixelFormat(VzPixelFormat.VzPixelFormatGray8) with any of the VzPixelFormat enum values fails with message:

  File "......./API/VzenseDS_api.py", line 145, in VZ_SetColorPixelFormat
    return self.vz_cam_lib.VZ_SetColorPixelFormat(self.device_handle, pixelFormat)
ctypes.ArgumentError: argument 2: TypeError: Don't know how to convert parameter 2

Passing it as an integer instead works.

See MWE below.

from API.VzenseDS_api import VzenseTofCam
from API.VzenseDS_enums import VzPixelFormat


def main():
    vz_cam = VzenseTofCam()
    ip = "<cam_ip_addr>"
    ret = vz_cam.VZ_OpenDeviceByIP(bytes(ip, 'utf-8'))
    if not ret == 0:
        print("No camera found")
    ret = vz_cam.VZ_SetColorPixelFormat(VzPixelFormat.VzPixelFormatGray8)
    if not ret == 0:
        print("Failed setting pixel format")
        return 1
    return 0

if __name__ == "__main__":
    main()

Running on linux x86_64 with Nebula Version: 1.1.17.834828436

I Couldn't find anything related in the release notes, but please let me know if updating will solve this issue.

[Neal-Shen]

only the VzPixelFormatBGR888 and VzPixelFormatRGB888 is for color

For the API VZ_SetColorPixelFormat，in VzenseDS_api.py:

def VZ_SetColorPixelFormat(self,pixelFormat=VzPixelFormat.VzPixelFormatBGR888):
return self.vz_cam_lib.VZ_SetColorPixelFormat(self.device_handle, pixelFormat)

call the API
vz_cam.VZ_SetColorPixelFormat() or vz_cam.VZ_SetColorPixelFormat(VzPixelFormat.VzPixelFormatBGR888.value) or vz_cam.VZ_SetColorPixelFormat(3)

if call the vz_cam.VZ_SetColorPixelFormat(VzPixelFormat.VzPixelFormatBGR888), should chanage the define
def VZ_SetColorPixelFormat(self,pixelFormat=VzPixelFormat.VzPixelFormatBGR888):
return self.vz_cam_lib.VZ_SetColorPixelFormat(self.device_handle, pixelFormat.value)