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import_image

 import_image (tag, inp_path=None, verb=1)

Load image from external path or built-in package data.

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load_builtin_image

 load_builtin_image (filename)

Load a PNG from qgear/data/ as numpy array.

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prep_image_qcrank_input

 prep_image_qcrank_input (md:dict, bigD:dict, verb:int=1)

Prepare normalized image data for QCrank.

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ehands_input_to_qcrank_input

 ehands_input_to_qcrank_input (udata:numpy.ndarray)

Convert Escherhands-style data to QCrank format.

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build_meta_canned_image

 build_meta_canned_image (tag:str, bigD:dict, nq_addr:int=9, verb:int=1)

Build metadata for canned image.

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create_img

 create_img (tag='b2', nq_addr=9, inp_path=None, out_path='out', verb=1)

Create QCrank input from a canned image (built-in or external).