Re: [NTG-context] output file size with repeated image
On 4/14/2015 7:07 PM, Pablo Rodriguez wrote:
Dear list,
I have the following sample:
\setupexternalfigure[location=default]
\starttext
\startmode[repeated-image]
\dorecurse{10}{
\dorecurse{10}{
\dorecurse{10}{
\externalfigure[cow]\input zapf\par}}}
\stopmode
\startmode[single-image]
\externalfigure[cow]
\dorecurse{10}{
\dorecurse{10}{
\dorecurse{10}{
\input zapf\par}}}
\stopmode
\startmode[no-image]
\dorecurse{10}{
\dorecurse{10}{
\dorecurse{10}{
\input zapf\par}}}
\stopmode
\stoptext
Output file sizes with different modes are the following:
--mode=repeated-image745KB
--mode=single-image 303KB
--mode=no-image 302KB
Although the image is the same (and it is only embedded once) file size
with repeated image is almost two and a half times that the version with
a single image.
Is this right or am I missing something?
(1) each reference to an image takes some 40 bytes (uncompressed)
(2) when you include the image n times you get 3 times as many pages
which means 400 more page descriptions etc, so you need to add 2 times
no image minus font overhead which is about what you see
context does some aggressive object sharing anyway so on the average the
pdf files produced are quite efficient
Hans
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com
| www.pragma-pod.nl
-
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[NTG-context] output file size with repeated image
Dear list,
I have the following sample:
\setupexternalfigure[location=default]
\starttext
\startmode[repeated-image]
\dorecurse{10}{
\dorecurse{10}{
\dorecurse{10}{
\externalfigure[cow]\input zapf\par}}}
\stopmode
\startmode[single-image]
\externalfigure[cow]
\dorecurse{10}{
\dorecurse{10}{
\dorecurse{10}{
\input zapf\par}}}
\stopmode
\startmode[no-image]
\dorecurse{10}{
\dorecurse{10}{
\dorecurse{10}{
\input zapf\par}}}
\stopmode
\stoptext
Output file sizes with different modes are the following:
--mode=repeated-image745KB
--mode=single-image 303KB
--mode=no-image 302KB
Although the image is the same (and it is only embedded once) file size
with repeated image is almost two and a half times that the version with
a single image.
Is this right or am I missing something?
Many thanks for your help,
Pablo
--
http://www.ousia.tk
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If your question is of interest to others as well, please add an entry to the
Wiki!
maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage : http://www.pragma-ade.nl / http://tex.aanhet.net
archive : http://foundry.supelec.fr/projects/contextrev/
wiki : http://contextgarden.net
___
Re: [NTG-context] output file size with repeated image
On 04/14/2015 07:39 PM, Hans Hagen wrote: On 4/14/2015 7:07 PM, Pablo Rodriguez wrote: [...] Although the image is the same (and it is only embedded once) file size with repeated image is almost two and a half times that the version with a single image. Is this right or am I missing something? (1) each reference to an image takes some 40 bytes (uncompressed) (2) when you include the image n times you get 3 times as many pages which means 400 more page descriptions etc, so you need to add 2 times no image minus font overhead which is about what you see context does some aggressive object sharing anyway so on the average the pdf files produced are quite efficient Many thanks for your explanation, Hans. I totally missed the the triple pages with repeated images. Pablo -- http://www.ousia.tk ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
