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Description:

opencvpattern 0.1.1

OpenCV pattern generation tool
Lifted mainly from opencv/doc/pattern_tools. A really simple way to generate some patterns.
Added some extra utilities like YAML files, loading from YAML files etc
Installation
pip install opencv-pattern

Usage
usage: pattern [-H] [--from_config FROM_CONFIG] [-o OUTPUT] [-c COLUMNS] [-r ROWS] [-T {circles,acircles,checkerboard,radon_checkerboard,charuco_board}]
[-u {mm,inches,px,m}] [-s SQUARE_SIZE] [-R RADIUS_RATE] [-w PAGE_WIDTH] [-h PAGE_HEIGHT] [-a {A0,A1,A2,A3,A4,A5}]
[-m MARKERS [MARKERS ...]] [-p ARUCO_MARKER_SIZE] [-f DICT_FILE]

generate camera-calibration pattern

options:
-H, --help show help
--from_config FROM_CONFIG
generate pattern from config
-o OUTPUT, --output OUTPUT
output file
-c COLUMNS, --columns COLUMNS
pattern columns
-r ROWS, --rows ROWS pattern rows
-T {circles,acircles,checkerboard,radon_checkerboard,charuco_board}, --type {circles,acircles,checkerboard,radon_checkerboard,charuco_board}
type of pattern
-u {mm,inches,px,m}, --units {mm,inches,px,m}
length unit
-s SQUARE_SIZE, --square_size SQUARE_SIZE
size of squares in pattern
-R RADIUS_RATE, --radius_rate RADIUS_RATE
circles_radius = square_size/radius_rate
-w PAGE_WIDTH, --page_width PAGE_WIDTH
page width in units
-h PAGE_HEIGHT, --page_height PAGE_HEIGHT
page height in units
-a {A0,A1,A2,A3,A4,A5}, --page_size {A0,A1,A2,A3,A4,A5}
page size, superseded if -h and -w are set
-m MARKERS [MARKERS ...], --markers MARKERS [MARKERS ...]
list of cells with markers for the radon checkerboard. Marker coordinates as list of numbers: -m 1 2 3 4 means markers in cells
[1, 2] and [3, 4]
-p ARUCO_MARKER_SIZE, --marker_size ARUCO_MARKER_SIZE
aruco markers size for ChAruco pattern (default 10.0)
-f DICT_FILE, --dict_file DICT_FILE
file name of custom aruco dictionary for ChAruco pattern

Config
Generates a pattern with the config.
pattern --from_config /path/to/config

Checkerboard
pattern -T checkerboard -s 5 -u mm --output checkerboard.svg

columns: 8
from_config: null
output: checkerboard.svg
p_type: checkerboard
page_size: A4
radius_rate: 5.0
rows: 11
square_size: 5.0
units: mm

Circles
pattern -T circles -s 5 -u mm --output circles.svg

columns: 8
from_config: null
output: circles.svg
p_type: circles
page_size: A4
radius_rate: 5.0
rows: 11
square_size: 5.0
units: mm

Acircles
pattern -T acircles -s 5 -u mm --output acircles.svg

columns: 8
from_config: null
output: acircles.svg
p_type: acircles
page_size: A4
radius_rate: 5.0
rows: 11
square_size: 5.0
units: mm

Radon checkerboard
pattern -T radon_checkerboard -s 5 -u mm --output radon_checkerboard.svg

columns: 8
from_config: null
output: radon_checkerboard.svg
p_type: radon_checkerboard
page_size: A4
radius_rate: 5.0
rows: 11
square_size: 5.0
units: mm

Charuco board
pattern -T charuco_board --dict_file DICT_ARUCO_ORIGINAL.json.gz --output charuco_board.svg

You can either choose one of:

DICT_4X4_50.json.gz
DICT_4X4_100.json.gz
DICT_4X4_250.json.gz
DICT_4X4_1000.json.gz
DICT_5X5_50.json.gz
DICT_5X5_100.json.gz
DICT_5X5_250.json.gz
DICT_5X5_1000.json.gz
DICT_6X6_50.json.gz
DICT_6X6_100.json.gz
DICT_6X6_250.json.gz
DICT_6X6_1000.json.gz
DICT_7X7_50.json.gz
DICT_7X7_100.json.gz
DICT_7X7_250.json.gz
DICT_7X7_1000.json.gz
DICT_APRILTAG_16h5.json.gz
DICT_APRILTAG_25h9.json.gz
DICT_APRILTAG_36h10.json.gz
DICT_APRILTAG_36h11.json.gz
DICT_ARUCO_ORIGINAL.json.gz

or your own personal dict file.

aruco_marker_size: 10.0
columns: 8
dict_file: DICT_ARUCO_ORIGINAL.json.gz
from_config: null
output: charuco_board.svg
p_type: charuco_board
page_size: A4
radius_rate: 5.0
rows: 11
square_size: 20.0
units: mm