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Subject: to compress or not to compress, that is a question of choice.

poserpro opened this issue on Feb 05, 2001 ยท 11 posts
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poserpro ( ) posted Mon, 05 February 2001 at 8:47 AM ยท edited Sun, 26 January 2025 at 2:25 AM

PPP now can compress its associate files ; pz3 -> pzz obj -> obz cr2 -> crz the laters reduce the file size , better for HD and convenient for web transmission. so I ssume for download purpose, the uploader may provide two versions of his files for the downloader to chosse which version to get. In a nutshell, for P4 and for PPP version.

JeffH ( ) posted Mon, 05 February 2001 at 10:39 AM

The compression used in the files is basically just "zip", they can be decompressed in most expanders as far as I know.

poserpro ( ) posted Mon, 05 February 2001 at 12:17 PM

thanks , winzip does.

Mason ( ) posted Mon, 05 February 2001 at 12:59 PM

Yeah its probably using zlib for compression. If you're distributing and packing the item into a zip you're better off not compressing and letting winzip do it for you. people always make that mistake with jpgs. They think making something a jpg then stuffing that into a zip will double the compression. In reality they only gain a few percent and that is from compressing the header in the zip. Now I don't what they are doing with compression with the propack but I would think it would be a boon if they tokenized the cr2 so it didn't have to parse the thing upon loading. That would be a great speed up.

JeffH ( ) posted Mon, 05 February 2001 at 1:04 PM

You have a choice to compress cr2's & obj's on save to the library and Pz3's to the HD.

poserpro ( ) posted Mon, 05 February 2001 at 1:15 PM

that's the point, not all users got ppp. but mason was right, zipped poser files can be unzip using commom zip tools.

martial ( ) posted Mon, 05 February 2001 at 7:34 PM

What PPP does with the files already on libraries but not compressed:it automaticly compressed all your stuff if you select this option in preferences?Did you mean that if i save a pzz file ,anyone can take it if he doesn't have PPP,load in winzip(how winzip knows this extension?and extract the pz3 version .I am waiting my order of PPP.Thanks

poserpro ( ) posted Mon, 05 February 2001 at 11:52 PM

i tried to drag a obz(obj in zip) and winzip just asked me to fill the "" for ob, so i typed obj and it seems unzip for me.

Nosfiratu ( ) posted Tue, 06 February 2001 at 12:26 AM

Attached Link: http://www.curiouslabs.com

Pro Pack does use ZLIB compression. Anthony Hernandez Senior Technical Writer Curious Labs

poserpro ( ) posted Tue, 06 February 2001 at 1:02 AM

thanks :) jV

sango ( ) posted Sat, 04 May 2002 at 7:22 AM

When I open a .crz file in WinZip, the contents appear to be the .crz file. Using Winzip 8.1j I tried renaming the .crz to .zip and it says it's not a valid archive. Am I doing something wrong? Is there some other tool I should be using?

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