.psd file size does not make any sense to me
I am hoping someone can explain the huge .psd file sizes I am seeing.
I have a Canon 7D and shoot raw. I have a raw file that is 24.6 Mbytes and is a 3456 x 5184 pixel image. I then open with ACR and do nothing but save it as a 16-bit .psd file with the same image (pixel) resolution. The .psd file is 102.5 Mbytes.
By my calcs a 3456 x 5184 x 2 bytes (16 bit depth) is 35.8 Mbytes uncompressed. Yet the .psd is nearly 3 times this size before it is ever opened in Photoshop.
Can anyone explain why? My 256 GByte disk has been eaten up like a bunch of breath mints...
Your assumptions are wrong.
"16 bit" RGB data has 3 colors per pixel x 16 bits per color. Thus, 3456 x 5184 x 6 bytes = 107 megabytes and change.
The raw file has, as I recall, 14 bits per photosite of measurement data that has not been debayered. Only one color range of light is measured per photosite.
Both the Canon CR2 raw format and the Photoshop PSD format include lossless compression as well.
I hope this helps clear things up.
-Noel
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Why on earth is 1GB $50 and 20GB $150????? That does not make any sense.
I was just reading this article:
Verizon unwittingly reveals price discrepancy in Share Everything plans - New high tier plans show price gouging on lower tiers
http://www.techradar.com/us/news/mobile-phones/phone-and-communications/mobile-computing/tablets/internet/verizon-unwittingly-reveals-price-discrepancy-in-share-everything-plans-1091705
Am i missing somerthing? no wonder people are livid... what greed!
(Removed link as per VZW Community ToS)
Message was edited by: Verizon ModeratorWhy on earth? Because Verizon (and soon AT&T as well) are very good at capitalizing on peoples' ignorance. That's NOT to say people are STUPID, but they don't have a feel for exactly what they are buying with these data caps. I can't count how many times I have walked into a VZ store, heard a rep tell someone $30 for 2 Gig or whatever, and the customer just looks starry-eyed back at him and asks: "But how much IS that though?" This is a serious vulnerability to price gouging in this digital age of 5-10 Gig DVDs and 1 Terabyte hard drives. Not to mention video streaming at 1.25 Gig per 2 hour movie.
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See:
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RP -
How does this make any sense??
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Code does not make any effect:need help
hello friends,
now i am going to describe the problem i am phasing
actually i have embedded japplets in a jsp page(appletjsp) and want to communicate japplets indeed jsp to a servlet in the diffrent derectory but in same context root.
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applet code
try{
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System.out.println(jspURL);
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jspCon.setDefaultUseCaches(false);
jspCon.setRequestProperty("Content-Type", "application/x-java-serialized-object");
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oboutStream.close();
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try {
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Message was edited by: Radiation Mac -
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Manual Setup > WDS tab
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Allow wireless clients (checked)
WDS Main: <enter the AppleID for the AEBS here>
Click on Update and allow the base station to restart. -
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Julientntemerson wrote:
The sales people at the Apple store told me that Time Machine makes a true restorable system picture of the native HDD during backups.
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Not really that I know of.
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Hi,
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I try to specify the realm-name of the login-config tag from the web-xml deployement
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http://support.apple.com/kb/PH2554
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