System information (version)

• OpenCV => 4.2
• Operating System / Platform => Windows 64 Bit
• Compiler => Python3

Detailed description

Borders for make_circles_patter() and and make_acircles_pattern() are inconsistent, resulting in an un-centered pattern.

What a 4x3 asymmetric circle gird with 40mm spacing looks like:

What it should be:

Steps to reproduce

Run gen_pattern.py and observe the result in Gimp (or another svg file viewer)

gen_pattern.py -o circleGrid_13x9@20mm.svg --rows 4 --columns 3 --type circles --square_size 40 -u mm --page_size A4
--radius_rate 5

Notes

Have resolved the issue, just need to merge