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Backing up :: a status update
|| 8/9/2007 || 8:34 pm || Comments Off on Backing up :: a status update || ||

Periodically I have to take a break to let the past catch up to the present, or in another words, back up my most recently made maps.

This process is a lengthy one that I’ve got down to a somewhat sophisticated science:

1) Take the source imagery, the source tessellation(s), the full map (usually 18,000 x 12,000 pixels), reduced map (9,000 x 6,000 pixels), and the on-line maps (2 zooms, 2 cuts, and the scaled map) and burn them on to a CD
2) Burn a duplicate copy of the CD
3) Write the CD # on both CDs
4) Enter CD # and map details into a master excel file

Thats it….
…oh wait, no theres

As easy as it may appear, it takes roughly 20 minutes to back up each map. This includes finding the files, burning both CDs, and entering the meta-data. While I am currently at CD #380, early on I changed the back-up format from DVDs to cd-roms around #30, whereupon I began to back-up the CDs twice. So there are a little over 700 CDs that I’ve created in the last 4 years…

If each CD takes 8 minutes to burn, the total amount of time its taken to burn the maps is:

700 CDs X 8 minutes = 5,600 minutes
5,600 m / 60 m = 93.3 hours
93 hours / 24 hours = 3.8 days

Thats a long time to spent on just backing up the maps!

Also, a few months ago I mentioned that I thought I had made a half mile of maps. After doing some more number crunching, I can say, without a doubt, that I’ve surpassed the half-mile mark and am well on my way to reaching a mile of maps.

Currently the master excel file says:

there are 8,155,257 pixels backed-up
8,155,257 / 150 DPI (pixels per inch) = 54,368.38 inches
54,368.38 / 12 = 4,531 feet backed-up
5,280 – 4,531 = 749 feet left until the mile marker
749 X 12 X 150 = 1,348,200 pixels left
1,348,2000 / 18,000 = 74.9 quilts left to make

Wow.



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