Camera calibration, size of April Targets

Please provide the following info (check/uncheck the boxes after clicking “+ Create Topic”):
Software Version
DRIVE OS Linux 5.2.0
DRIVE OS Linux 5.2.0 and DriveWorks 3.5
NVIDIA DRIVE™ Software 10.0 (Linux)
NVIDIA DRIVE™ Software 9.0 (Linux)
other DRIVE OS version

Target Operating System

Hardware Platform
NVIDIA DRIVE™ AGX Xavier DevKit (E3550)
NVIDIA DRIVE™ AGX Pegasus DevKit (E3550)

SDK Manager Version

Host Machine Version
native Ubuntu 18.04

i am working on a lower scaled vehicle and i was wondering if the size of april targets that are used for camera calibration is scalable? For example resizing a large target ( IDs 89-101) from 1m x 1m to DINA3 and changing the bar length in targets.json.

ref: DriveWorks SDK Reference: Static Camera Calibration (

Dear @david.mwg,
You mean you want to decrease the size of targets and wants to know if effects intrinsic parameter?

@SivaRamaKrishnaNV Yes

Dear @david.mwg,
Yes. You can change the target size, bar length in target.json. The scaling should be uniform.