From 695361e04e83f800cc1c7488dc7f20239ea08de3 Mon Sep 17 00:00:00 2001
From: mhoeschle <mhoeschle>
Date: Wed, 12 Jul 2023 17:20:42 +0200
Subject: [PATCH] Modyfied whole code to run with several connected cameras
---
BaslerChangeParameter.py | 222 +++++++++++++++++----------------------
1 file changed, 98 insertions(+), 124 deletions(-)
diff --git a/BaslerChangeParameter.py b/BaslerChangeParameter.py
index 1b4e0c7..cdf9553 100644
--- a/BaslerChangeParameter.py
+++ b/BaslerChangeParameter.py
@@ -2,153 +2,135 @@ import pypylon.pylon as py
from pypylon import pylon
import numpy as np
import matplotlib.pyplot as plt
+from pypylon import genicam
+import sys
import time
+import os
#
# Variable:
#
-camera = pylon.InstantCamera()
+# Max Number of cameras that should be used
+MAXCAMERASTOUSE = 2
-COLCAMNAMES = {
- '22320672': 'acA2000-165uc',
- '24531290': 'acA1920-40uc',
- '24531319': 'acA1920-40uc',
-}
+# Get the transport layer factory.
+tlFactory = pylon.TlFactory.GetInstance()
-"""
-Function
-"""
+# Get all attached devices and exit application if no device is found.
+devices = tlFactory.EnumerateDevices()
+if len(devices) == 0:
+ raise pylon.RuntimeException("No camera present.")
+
+# Create an array of instant cameras for the found devices and avoid exceeding a maximum number of devices. -> Output-> Pylon::CInstantCameraArray
+CAMERAS_ARRAY = pylon.InstantCameraArray(min(len(devices), MAXCAMERASTOUSE))
+print(f'cameras: {CAMERAS_ARRAY}')
+
+l = CAMERAS_ARRAY.GetSize()
#
-# list all the connected cameras at the system:
+# Funktions:
#
+# List all connected / founded cameras:
-def listcam():
- """
- schows all connected Basler cameras
- """
- # Generates a list of the cameras connected to our computer, like what we see with the PylonViewer program
- tl_factory = pylon.TlFactory.GetInstance()
- # print(tl_factory)
+def listcams():
+ '''
+ shows all connected / founded cameras. Number of cameras is defined by CAMERAS_ARRAY
+ '''
- devices = tl_factory.EnumerateDevices()
- # print(devices)
+ # Create and attach all Pylon Devices.
+ for i, camera_instantz in enumerate(CAMERAS_ARRAY):
+ # cam is an instance Swig object of type Pylon::CInstantCamera on cluster on HD
+ camera_instantz.Attach(tlFactory.CreateDevice(devices[i]))
+ print(f'camInstatnt: {type(camera_instantz)}')
- allcam = []
+ #
+ # list all the connected cameras at the system:
+ #
- for device in devices:
- print("Device Input (Camera Type & (Serialnumber)):")
- # Model name + Serial number
- print("-", device.GetFriendlyName(), "\n")
- #print("-", device.GetModelName())
- #print("-", device.GetSerialNumber(), "\n")
- allcam.append(device.GetFriendlyName())
+ # Print the model name of the camera.
+ cam_ids = camera_instantz.GetDeviceInfo().GetSerialNumber()
+ print("Using device ", cam_ids)
- return allcam
+ return cam_ids, camera_instantz
+# Open cameras:
-# foundcams retrun a list with all connected cameras.
-#foundcams = listcam()
-# for cam in foundcams:
- #print(f'found cam: {cam}')
+def opencams():
+ '''
+ open camera to read or write values
+ '''
+ CAMINSTANT.Open()
+ print(f'Cam open: {CAM_ID}', '\n')
+# Close cameras:
-#
-# open camara device
-#
+def closecams():
+ '''
+ close camera after read or write values
+ '''
+ CAMINSTANT.Close()
+ print(f'Cam close: {CAM_ID}', '\n')
-def opencam():
- """
- opens interface to camera
- Creates an instant camera object with the camera device found first.
- """
- #
- # camera = pylon.InstantCamera(pylon.TlFactory.GetInstance().CreateFirstDevice())
- # open camera, crate a device!
- #
- print("openDevice:", "\n")
- return camera.Open()
+# read camera parameters to get an current overiew
-# opencam()
-#
-# close camera interface
-#
-
-
-def closecam():
- """
- close interface to camera
+def readcams():
"""
- # close camera
- ## camera = pylon.InstantCamera(pylon.TlFactory.GetInstance().CreateFirstDevice())
- print("closeDevice:", "\n")
- return camera.Close()
-# closecam()
-
-#
-# read parameters in camara
-#
-
-
-def readcam():
- """
read out current settings from camera via interface
"""
- # open camera interface:
- opencam()
-
+ opencams()
# Read Gain value in Camera:
print("Gain in (dB):")
# Gain value
- print(camera.Gain.Value, "\n")
+ print(CAMINSTANT.Gain.GetValue(), "\n")
# Read Trigger Delay value in Camera:
print("Delay in (microseconds):")
# TriggerDelay value
- print(camera.TriggerDelay.Value, "\n")
+ print(CAMINSTANT.TriggerDelay.GetValue(), "\n")
# Exposure parameter
- oldexposure = camera.ExposureTime.GetValue()
+ oldexposure = CAMINSTANT.ExposureTime.GetValue()
print(f'exposure: {oldexposure}', "\n")
- oldfps = camera.AcquisitionFrameRate.GetValue()
+ oldfps = CAMINSTANT.AcquisitionFrameRate.GetValue()
print(f'fps: {oldfps}')
# Gamma value:
print("Camera gamma value: ")
- print(camera.Gamma.GetValue(), "\n")
+ print(CAMINSTANT.Gamma.GetValue(), "\n")
- # closecam()
+ closecams()
+# readcam()
#
# Funktion for changing the value (uncomment the comment in the next line (camera.Gain = YourValue))
#
+
+
def gaincam():
- """
- changes the gain in (dB)
"""
- opencam()
+ changes the gain in (dB). Entering float numbers for. e.g: 5.0
+ """
+
# Read Gain value in Camera:
print(" Gain in (dB):")
# Gain value
- print(camera.Gain.Value, "\n")
+ print(CAMINSTANT.Gain.GetValue(), "\n")
# Input new gain value
gainvalue = float(input("Please enter the new gain in (dB): "))
- camera.Gain = (gainvalue)
+ CAMINSTANT.Gain.SetValue(gainvalue)
# Read Gain value in Camera:
print("New Gain in (dB):")
# Gain value
- print(camera.Gain.Value, "\n")
- closecam()
-
+ print(CAMINSTANT.Gain.GetValue(), "\n")
# gaincam()
@@ -158,25 +140,21 @@ def gaincam():
def exposurecam():
- """
+ """
changes the exposure time in microseconds (ms)
"""
- opencam()
- oldexposure = camera.ExposureTime.GetValue()
+ oldexposure = CAMINSTANT.ExposureTime.GetValue()
print(f'old exposure: {oldexposure}')
newexposure = input("Please enter new exposure value (microseconds): ")
newexposure = float(newexposure)
- camera.ExposureTime.SetValue(newexposure)
+ CAMINSTANT.ExposureTime.SetValue(newexposure)
# Read new exosure value in Camera:
print("New exposure in (ms):")
# print new exposure value
- print(camera.ExposureTime.GetValue(), "\n")
-
- closecam()
-
+ print(CAMINSTANT.ExposureTime.GetValue(), "\n")
# exposurecam()
@@ -186,86 +164,82 @@ def exposurecam():
def aquisationfps():
- """
- enable / dissable auto or manual fps and
- changes the fps (frame per seconds)
"""
- opencam()
- status = camera.AcquisitionFrameRateEnable.GetValue()
+ enable / dissable auto or manual fps and
+ changes the fps (frame per seconds)
+ """
+
+ status = CAMINSTANT.AcquisitionFrameRateEnable.GetValue()
print(f'fps enable? {status}')
statusenable = str(input("Do you want to change fps, (y/n)? "))
if statusenable.lower() == 'y':
- camera.AcquisitionFrameRateEnable.SetValue(True)
- oldfps = camera.AcquisitionFrameRate.GetValue()
+ CAMINSTANT.AcquisitionFrameRateEnable.SetValue(True)
+ oldfps = CAMINSTANT.AcquisitionFrameRate.GetValue()
print(f'Old fps: {oldfps}')
newfps = input("Choose your fps: ")
- camera.AcquisitionFrameRate.SetValue(float(newfps))
+ CAMINSTANT.AcquisitionFrameRate.SetValue(float(newfps))
print(f"New fps is: {newfps}", '\n')
else:
print("disabled Aquisation Frame rate!")
- camera.AcquisitionFrameRateEnable.SetValue(False)
-
- closecam()
+ CAMINSTANT.AcquisitionFrameRateEnable.SetValue(False)
# aquisationfps()
-
#
# Funktion for changing the trigger delay in microseconds (e.g. 2000 ms ):
#
+
def triggerdelaycam():
- """
+ """
changes the trigger delay in microseconds (ms)
"""
- opencam()
- print(f'trigger delay is: {camera.TriggerDelay.GetValue()}')
+
+ print(f'trigger delay is: {CAMINSTANT.TriggerDelay.GetValue()}')
newtriggerdelay = input(
"Please enter new trigger delay in (microseconds): ")
- camera.TriggerDelay.SetValue(float(newtriggerdelay))
+ CAMINSTANT.TriggerDelay.SetValue(float(newtriggerdelay))
- print(f'New trigger delay is: {camera.TriggerDelay.GetValue()}')
-
- closecam()
+ print(f'New trigger delay is: {CAMINSTANT.TriggerDelay.GetValue()}')
# triggerdelaycam()
-
# How to show the images ?
# Next step
# start canera in free run mode:
+
+
def freeruncam():
+ '''
+# grabbing images in free run
+'''
# camera start free run mode: VIDEO 37:32
- camera.StartGrabbing(pylon.GrabStrategy_OneByOne)
+ CAMINSTANT.StartGrabbing(pylon.GrabStrategy_OneByOne)
i = 0
print('Starting to acquire')
t0 = time.time()
- while camera.IsGrabbing():
- grab = camera.RetrieveResult(100, pylon.TimeoutHandling_ThrowException)
+ while CAMINSTANT.IsGrabbing():
+ grab = CAMINSTANT.RetrieveResult(
+ 100, pylon.TimeoutHandling_ThrowException)
if grab.GrabSucceeded():
i += 1
if i == 100:
+ CAMINSTANT.StopGrabbing()
break
print(f'Acquired {i} frames in {time.time()-t0:.0f} seconds')
-# freeruncam()
-
# ---> ongoing, not yet in usage.
-
if __name__ == '__main__':
- foundcams = listcam()
- for cam in foundcams:
- print(f'found cam: {cam}')
-
- readcam()
+ CAM_ID, CAMINSTANT = listcams()
+ readcams()
--
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