2?j 2dZddlmZGddeZdS)aMRead TIFF from FEI SEM microscopes. Backend Library: internal This format is based on :mod:`TIFF `, and supports the same parameters. FEI microscopes append metadata as ASCII text at the end of the file, which this reader correctly extracts. Parameters ---------- discard_watermark : bool If True (default), discard the bottom rows of the image, which contain no image data, only a watermark with metadata. watermark_height : int The height in pixels of the FEI watermark. The default is 70. See Also -------- :mod:`imageio.plugins.tifffile` ) TiffFormatc>eZdZdZdZGddejZdS) FEISEMFormatz!See :mod:`imageio.plugins.feisem`cdS)NF)selfrequests GC:\Projects\Historical\venv\Lib\site-packages\imageio/plugins/feisem.py _can_writezFEISEMFormat._can_write suc(eZdZdfd ZddZxZS) FEISEMFormat.ReaderTFcttj||\}}|r |d| }||fS)a"Get image and metadata from given index. FEI images usually (always?) contain a watermark at the bottom of the image, 70 pixels high. We discard this by default as it does not contain any information not present in the metadata. N)superrReader _get_data)rindexdiscard_watermarkwatermark_heightimmeta __class__s r rzFEISEMFormat.Reader._get_data$sN\0$77AA%HHHB  ,****+t8Or Nct|dr|jSdii}d}d}|j}t |dd5}|D]}|s|dsd}|}|d r.|d d }i||<sd |vrS|d d \}} ttfD]} | | } n#t$rYwxYw| |||< dddn #1swxYwY|ds%t|d krtd|z||_|S)aRead the metadata from an FEI SEM TIFF. This metadata is included as ASCII text at the end of the file. The index, if provided, is ignored. Returns ------- metadata : dict Dictionary of metadata. _fei_metarootFutf8ignore)encodingerrorszDate=T[]=r)maxsplitNz'Input file %s contains no FEI metadata.) hasattrrr get_local_filenameopen startswithrstriplstripsplitintfloat ValueErrorlen) rrmd current_tagreading_metadatafilenamefinlinekeyvaltag_types r _get_meta_dataz"FEISEMFormat.Reader._get_meta_data1st[)) &~%"B K$ |6688HhAAA 7S77D+4#w774$/3,;;==Ds++ 7&*kk#&6&6&=&=c&B&B *,;$;;'+zz#z'B'BHC-0%L**!**2(3--C%*E(2!-!-!-$,H!-47B{OC0)7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7,f: W#b''Q,, !JX!UVVVDNIs7 B$D&0 C=;D&= D D& D D&&D*-D*)rTr)N)__name__ __module__ __qualname__rr: __classcell__)rs@r rr#sQ      - - - - - - - - r rN)r;r<r=__doc__r rrrr r rrsV++;;;;;";;;;;r rN)r?tifffilerrrr r rAsa,! AAAAA:AAAAAr