diff --git a/README.md b/README.md index 7cf5d16..7298175 100644 --- a/README.md +++ b/README.md @@ -69,8 +69,8 @@ firefox OCR-D-OCR-CALAMARI-EVAL/OCR-D-OCR-CALAMARI-EVAL_00000024.html ppn2ocr ------- -The `ppn2ocr` script produces a METS file with the best images for a given -document in the State Library Berlin (SBB)'s digitized collection. +The `ppn2ocr` script produces a workspace and METS file with the best images for +a given document in the State Library Berlin (SBB)'s digitized collection. Install it with an up-to-date pip (otherwise this will fail due to [a opencv-python-headless build failure](https://github.com/skvark/opencv-python#frequently-asked-questions)): ~~~ @@ -87,7 +87,19 @@ cd PPN77164308X This produces a workspace directory `PPN77164308X` with the OCR results in it; the results are viewable as explained above. -ppn2ocr requires a working Docker setup and properly set up environment -variables for the proxy configuration. At SBB, please read -`howto/docker-proxy.md` and `howto/proxy-settings-for-shell+python.md` -(in qurator's mono-repo). +ppn2ocr requires properly set up environment variables for the proxy +configuration. At SBB, please read `howto/docker-proxy.md` and +`howto/proxy-settings-for-shell+python.md` (in qurator's mono-repo). + +ocrd-workspace-from-images +-------------------------- +The `ocrd-workspace-from-images` script produces a OCR-D workspace (incl. METS) +for the given images. + +~~~ +~/devel/my_ocrd_workflow/ocrd-workspace-from-images 0005.png +cd workspace-sj4EH +~/devel/my_ocrd_workflow/run-docker-hub -I BEST --skip-validation +~~~ + +This produces a workspace from the files and then runs the OCR workflow on it. diff --git a/ocrd-workspace-from-images b/ocrd-workspace-from-images new file mode 100755 index 0000000..919e454 --- /dev/null +++ b/ocrd-workspace-from-images @@ -0,0 +1,38 @@ +#!/bin/bash +# Create an OCR-D workspace from images +# +# ocrd-workspace-from-images *.png +# +# In order to produce a workspace that validates, this script makes best effort +# to generate random IDs and to create the necessary structures like the +# physical page sequence. + +workspace_dir=`mktemp -d "workspace-XXXXX"` +workspace_id=`basename $workspace_dir` + +ocrd workspace -d $workspace_dir init +ocrd workspace -d $workspace_dir set-id $workspace_id + +make_file_id_from_filename() { + filename="$1" + file_id="$filename" + file_id=`echo $file_id | sed 's#(.png|.tif|.jpe?g)$##i'` + file_id=`echo $file_id | sed 's#[^A-Za-z0-9_-]#_#g'` + + echo "$file_id" +} + +mkdir $workspace_dir/OCR-D-IMG +page_count=0 +for img_orig in "$@"; do + page_count=$(($page_count + 1)) + img="$workspace_dir/OCR-D-IMG/`basename $img_orig`" + cp -L "$img_orig" "$img" + file_id=`make_file_id_from_filename "$img"` + mime_type=`file -b --mime-type "$img"` + page_id=`printf "P%05d" $page_count` + ocrd workspace -d $workspace_dir add -G OCR-D-IMG "$img" --file-id $file_id --page-id $page_id --mimetype $mime_type +done + +ocrd workspace -d $workspace_dir validate +echo $workspace_dir