Swing Catalyst Support Center

How to set up Basler GigE camera's with Swing Catalyst

This support article covers the setup and configuration of Basler camera's with Swing Catalyst. 


Note: In order to use Basler camera's with Swing Catalyst you will need a Halcon USB dongle and a license. Please contact contact@swingcatalyst.com to purchase a license.


Halcon installation & configuration instructions here: 




Make sure you have the MVTec Halcon driver filter installed, the camera's will not function properly without.

Make sure Swing Catalyst is allowed both on private & public networks in the Windows Defender firewall




IP Setup

Each camera and Ethernet card (NIC / Network interface controller) should be configured with static IP's on different subnets (and a subnet mask)


Cameras on NIC1:
nic ip:
cam ip: ...
subnet mask:

Cameras on NIC2:
nic ip: (different subnet from nic1)
cam ip: ... (different subnet from nic1)
subnet mask:




Configuring Basler GigE camera's through Halcon


In Swing Catalyst, navigate to the Settings tab and to Cameras.



Click on Advanced.

  1. Navigate to the Configuration tab.
  2. Enable the GtlNumBuffers checkbox and enter 200 as the value.



Setting up Basler GigE camera's:

Lets have a look at how to set the exposure, shutter speed and frame rate.

NOTE: If you are unable to get view the settings & get an error in Swing Catalyst, please check the Windows Firewall settings. Try to turn the firewall off to check if it's the firewall blocking Swing Catalyst's access to the cameras. If the settings work & you can stream fine, make sure Swing Catalyst is allowed on both public & private networks in the Windows Defender firewall.


Expand the AcquisitionTrigger tab and enter the maximum (or lower) frame rate, then click Enable Acquisition Frame Rate. This will allow you you to define the frame rate. Note: Frame rate can be limited by exposure values.


Setting exposure values


It's usually best to use a manual exposure for static environments, such as indoor studios. A fully auto exposure can cause the frame rate to be changed and lead to an inconsistent image. In this case we're not using auto exposure as we want to be able to control this ourselves. Generally an exposure time less than 2000 (2ms) is recommended.


Setting gain values


Similar to exposure, setting the gain to manual for static / indoor lighting conditions is best. The higher the exposure the more grainy the image will be and the longer the video encoding will take vs low gain.

To set manual gain, change Gain Auto from Continuous to Off, then pause and play the playback to reload the settings. Set the gain values by changing the number values in Gain (Raw).




Changing the image size, area of interest, region of interest & more

In some cases you want to reduce the image size to focus in on a specific area of the video image, for example to view the club and ball on impact in detail.

This can be done with area of interest, also known as AOI, and ROI, region of interest. Reducing the overall image size with this function also can give you a frame rate increase.



Saving settings to the camera


It's important to save the settings to the camera. If this isn't done all of what you've configured will be lost. 

Make sure you set the Default Set Selector & Default Startup Set. There are different user sets to choose from and in theory you can have different settings saved on each set. I.e you can select "User Set 1" as your default, then hit User Set Save to save your current settings to that profile.




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