[Mapbender-users] how much time for pdf creation ???
jansen.marc at gmx.de
Tue Oct 7 02:02:54 EDT 2008
Hi List, Hi Michael,
have the single parts of the creation of a pdf file been timed or is
your answer based on your gut feeling?
I could imagine that the merging of files might take long as well. This
should also be the part that is affected by your changes in php.ini.
Maybe we should try to actually put figures (in terms of seconds and
memory consumption) behind the current implementation.
Why exactly do we merge / weld the files prior to adding them to the
PDF? Does this still make sense? And maybe we should consider splitting
up one big image request into many smaller ones (at least for background
wms without labeling) this might work out well.
Bye and regards,
Michael Schulz schrieb:
> "usually" depends at most on the desired quality of the print, meaning
> either 72 or 288 dpi ...
> The slowest part of the pdf generation are the getmap requests and
> waiting for the response images. A reasonible WMS should be able to
> produce a 72 dpi A4 image in several seconds, so depending on how many
> wms are included in the pdf, a total time of one minute seems pretty
> long (but not necessarily impossible).
> If you have problems with not finished pdf generation (white page
> after starting the print) I'd recommend an increased memory_limit
> value (e.g 64M) in your php.ini.
> HTH, Michael
> 2008/10/6 vollbotz <volker.emmel at lwk-rlp.de>:
>> i just want to know how long mapbender "usually" needs for the production of
>> a pdf.
>> i use mapbender_2.5 and the ubuntu_vm from http://www.gisvm.com/
>>> i use the apache compression but have done no changes on the ubuntu
>> only on php.ini:
>> max_execution_time = 60 ; Maximum execution time of each script, in
>> max_input_time = 120 ; Maximum amount of time each script may spend parsing
>> request data
>> ;max_input_nesting_level = 64 ; Maximum input variable nesting level
>> memory_limit = 16M ; Maximum amount of memory a script may consume
>> right now - i need for a din a4 page about one minute...
>> is this usually ??
>> what can i do ??
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