#126 Ocropus no longer in OCR selection

[Jeff Winner]

Update to 1.0.1 from 1.0 disables Ocropus with this message from debug

WARN - Found ocroscript, but not its scripts. Disabling.

Version 1.0 is ok with this debug message

INFO - Using ocroscript with recognize.

[Jeffrey Ratcliffe]

Which version of ocropus do you have?

What does

echo $OCROSCRIPTS
which ocroscript
ls /usr/share/ocropus/scripts /usr/local/share/ocropus/scripts

give?

[Jeff Winner]

ocropus version is 0.3.1-2

office@office:~$ echo $OCROSCRIPTS

office@office:~$ which ocroscript
/usr/bin/ocroscript
office@office:~$ ls /usr/share/ocropus/scripts /usr/local/share/ocropus/scripts
ls: cannot access /usr/local/share/ocropus/scripts: No such file or directory
/usr/share/ocropus/scripts:
align-lines-wordwise.lua rec-bpnet.lua
align.lua rec-guided.lua
align-transcription.lua rec-line.lua
build-ngram-model.lua rec-ltess.lua
check-train-valid-bpnet-feature.lua rec-minimal.lua
degrade.lua recognize.lua
deskew.lua rec-tess-complete.lua
editdist.lua reflow.lua
erode3.lua sauvola.lua
eval-bpnet-on-words.lua segment-line.lua
eval-editdist-layout.lua show.lua
eval-on-word-list.lua showseg.lua
hocr-to-text.lua strict.lua
lib text-to-hocr.lua
line-clean.lua train-bpnet-isolated.lua
matra-clipping.lua train-bpnet-lines.lua
rec-bpnet-isolated.lua

[Jeffrey Ratcliffe]

What about:

[[ -n ${OCROSCRIPTS} ]] && echo "variable is set and not blank"

?

[Jeff Winner]

[[ -n ${OCROSCRIPTS} ]] && echo "variable is set and not blank"

returns nothing...

[f_noel]

I had the same problem...
Try changing line 20 in this file:

/gscan2pdf-1.0.1/lib/Gscan2pdf/Ocropus.pm

from:
local $ENV{OCROSCRIPTS} = "$_/share/ocropus/scripts"
to:
$ENV{OCROSCRIPTS} = "$_/share/ocropus/scripts"

That got it working for me.

[Jeffrey Ratcliffe]

Patch

[Jeffrey Ratcliffe]

Thanks for the suggestion. Please test the attached patch, which should fix the problem without changing the environment.

[f_noel]

Applied your patch and then copied the new file over to its place in /root. It seems to work okay for me now.

However Ocropus wont work with a simple binary gif file. A binary G4 tiff (US Patent Office image) and a grayscale png work okay. The black and white gif file creates this in the logfile:

INFO - Found tesseract language eng
INFO - Using ocroscript with recognize.
INFO - tesslanguage=eng ocroscript recognize /tmp/Mx7NMOWh67.png
ocroscript: /usr/share/ocropus/scripts//lib/hocr.lua:28: rectangle parsing error
INFO - tesslanguage=eng ocroscript recognize /tmp/WpXZBl1pYA.png
ocroscript: /usr/share/ocropus/scripts//lib/hocr.lua:28: rectangle parsing error
INFO - tesslanguage=eng ocroscript recognize /tmp/w46jhcRY9Z.png
ocroscript: /usr/share/ocropus/scripts//lib/hocr.lua:28: rectangle parsing error

I switched to GOCR right after that and it worked okay, well it did the best it could with it...

Not sure but I think that problem may be related to something else which I'll file in a different report.

Thanks for all your hard work and the patch!

[Jeff Winner]

Ok, rebuilt from scratch with patch and it was fixed as expected. Thanks for the great job on this

[f_noel]

Ignore this suggested problem from earlier post:

> However Ocropus wont work with a simple binary gif file...

The problem is in Ocropus, it doesn't like something about the contents in the gif file I used for testing this.

But, you already knew that...