Lens Calibration Grid

Live aspect-ratio preview. Choose a pattern, set the output width and cell size, then export as PNG or SVG.

Pattern

Pattern Type Loading aruco_bitmaps.json...

Rows (inner)

Cols (inner)

Output Width (px)

Cell Size (px)

Aspect W

Aspect H

Top-left square

Dot Radius (x cell)

ArUco Dictionary

Marker:Square Marker width as fraction of square (0-1)

Place markers on

AprilTag Family

Tag Size (px)

Spacing Ratio Gap between tags, x tag size

IDs & Layout

Start Marker ID

ID step ID increment per marker

ID origin

Traversal

Show Marker IDs

Start Tag ID

ID origin

Traversal

Show Tag IDs

Show Intersection Squares

Intersection Square Size (px)