Re: New Wolfram Tutorial Collection documentation is ready
- To: mathgroup at smc.vnet.net
- Subject: [mg99308] Re: New Wolfram Tutorial Collection documentation is ready
- From: Bob F <deepyogurt at gmail.com>
- Date: Sat, 2 May 2009 06:00:25 -0400 (EDT)
- References: <gtbunt$2qn$1@smc.vnet.net> <gtef3u$145$1@smc.vnet.net>
On May 1, 3:24 am, Thomas M=FCnch <thomas.mue... at gmail.com> wrote: > I downloaded all of the PDFs, and it took a very long time, even on my > fast connection at work. My guess is that Wolfram gives these > downloads less bandwidth compared to, for example, downloading > software, or the curated data. But I would say that's all right. > > The largest of the files is "Visualization and graphics", which comes > at almost 140MB. I opened it in Acrobat (Professional version), and > simply out of curiosity removed all the Metadata and hidden > information in the pdf (You can do this under the Menu item "Document> Ex= amine Document...", at least under Windows). After doing this, and > > saving the file, the size was reduced to less than 30 MB, just a bit > over one fifth of the original! On first visual inspection, the two > versions appear to be identical. > > This particular file contains lots of graphics, so the reduction in > size might not be as large in other files, I didn't try. But anyways, > this begs the question: did I remove ANY functionality by doing this? > If not, it would be much nicer if Wolfram could place PDFs of reduced > size for download on their website. > > thomas > I tried what Thomas did for all the files and the total size for all 23 files dropped from about 362 MB to about 188 MB, so this amounts to about a 50% decrease in file size. Seems like quite a lot of overhead. Wonder what all this extra stuff was??? -Bob