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Four Cell Scripts

Analysis Steps

Locate positions of 6 hole punches - normalize.py
Orient to square position - normalize.py
Find all 4 fiducials
Calculate their position relative to the hole punches
Create a template
Use the template-filling script to recreate calibration page as a proof to be checked on a lightbox

Page Hole Punch Order

   human           zero-index
_______________  _______________
|             |  |             |
| 1         3 |  | 0         2 |
|             |  |             |
|             |  |             |
|             |  |             |
| 2         4 |  | 1         3 |
|             |  |             |
|             |  |             |
|             |  |             |
| 5         6 |  | 4         5 |
|             |  |             |
---------------  ---------------

Calibration Layout Order

_______________  _______________ 
|             |  |             |
| 1   2 3   0 |  |             |
|             |  |   1     2   |
|             |  |             |
| 0   3 2   1 |  |             |
|             |  |             |
| 1   2 3   0 |  |             |
|             |  |             |
|             |  |   0      3  |
| 0   3 2   1 |  |             |
|             |  |             |
---------------  ---------------

normalize.py

Normalize a scanned hole punch image.

usage: normalize.py [-h] input output

positional arguments:
  input       Scan to normalize
  output      Normalized file to output

calibrate.py

Create a calibration file, apply to a scanned page, or scale image to desired DPI.

usage: calibrate.py [-h] [--dpi DPI] [--input INPUT] [--output OUTPUT] [--calibration CALIBRATION] {generate,calibrate,scale}

positional arguments:
  {generate,calibrate,scale}
                        The action to perform

options:
  -h, --help            show this help message and exit
  --dpi DPI, -d DPI     DPI to generate
  --input INPUT, -i INPUT
                        Input file
  --output OUTPUT, -o OUTPUT
                        Output file
  --calibration CALIBRATION, -c CALIBRATION
                        Calibration file

template.py

Create a template from normalized scan file.

usage: template.py [-h] normalized [registration]

positional arguments:
  normalized    Normalized scan to build template from.
  registration  Registration mark to use.

apply_image.py

Create a printable rasterized image that can be hole punched and animated.

usage: apply_image.py [-h] name destination template ...

positional arguments:
  name         Name of project
  destination  File to output image to
  template     Template file to use
  images       Images to place as cells

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