From: "Procházka Lukáš Ing. - Pontex s. r. o." <LPr@pontex.cz>
To: ConTeXt <ntg-context@ntg.nl>
Subject: Figures and Lua (continuing "Number of pages by Lua of a figure to be inserted?" somehow)
Date: Fri, 12 Apr 2013 14:47:25 +0200 [thread overview]
Message-ID: <op.wvfhtbvxtpjj8f@lpr> (raw)
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Hello,
I tried to make a "more minimal" example.
Still we have:
files:
./t3.mkiv
./T/Kn.pdf
and code:
----
\startluacode
test = function(fn)
local fig = figures.push{name = fn}
if figures.identify().status.status ~= 0 then
figures.check()
end
figures.pop()
return fn .. ": " .. (fig.used.pages or "?") .. "\\par"
end
\stopluacode
\starttext
AAA
\startluacode
context(test("T/Kn.pdf")) -- Found - OK
context(test("Kn.pdf")) -- Not found - OK
\stopluacode
\setupexternalfigures[directory=T]
\startluacode
context(test("Kn.pdf")) -- Not found (or unknown number of pages) - UNEXPECTED - why? ("3rd call")
\stopluacode
\externalfigure[Kn.pdf][scale=625] % Found - OK
\stoptext
----
The 3rd call of 'test()' seems to not locate 'Kn.pdf' although the path was altered by preceding \setupexternalfigures.
How to modify the 'test()' to work properly even in the 3rd case?
NB:
Sorry for repeating the topic "in another coat" - it may not be so interesting for listeners of this mailing list.
But the goal is to add figures and PDF files into the document automatically.
One of the tasks is to detect number of pages of the figure.
The code above is a core cut out; it should work (or: if this part wouldn't work, neither would the rest) even in the 3rd case.
Any help to make the piece of code work would be appreciated.
Best regards,
Lukas
--
Ing. Lukáš Procházka [mailto:LPr@pontex.cz]
Pontex s. r. o. [mailto:pontex@pontex.cz] [http://www.pontex.cz]
Bezová 1658
147 14 Praha 4
Tel: +420 244 062 238
Fax: +420 244 461 038
[-- Attachment #2: t3.zip --]
[-- Type: application/zip, Size: 20306 bytes --]
[-- Attachment #3: t3.mkiv --]
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\startluacode
test = function(fn)
local fig = figures.push{name = fn}
if figures.identify().status.status ~= 0 then
figures.check()
end
figures.pop()
return fn .. ": " .. (fig.used.pages or "?") .. "\\par"
end
\stopluacode
\starttext
AAA
\startluacode
context(test("T/Kn.pdf")) -- Found - OK
context(test("Kn.pdf")) -- Not found - OK
\stopluacode
\setupexternalfigures[directory=T]
\startluacode
context(test("Kn.pdf")) -- Not found - UNEXPECTED - why?
\stopluacode
\externalfigure[Kn.pdf][scale=625] % Found - OK
\stoptext
[-- Attachment #4: t3.pdf --]
[-- Type: application/pdf, Size: 12686 bytes --]
[-- Attachment #5: Kn.pdf --]
[-- Type: application/pdf, Size: 17996 bytes --]
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next reply other threads:[~2013-04-12 12:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-12 12:47 Procházka Lukáš Ing. - Pontex s. r. o. [this message]
2013-04-15 15:21 ` Aditya Mahajan
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