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ScottFromWyoming

ScottFromWyoming Avatar

Location: Powell
Gender: Male


Posted: Nov 4, 2013 - 12:07pm

 swell_sailor wrote:

Right. One pixel per inch. Over 5000 inches wide. When printed at 17 inches is 300 dots per inch. 

Was that a test or something?



 
I dunno what they were up to. But InDesign, over the last few iterations, has an info palette that gives you "Actual PPI" and "Effective PPI" so I don't even have to go into photoshop to investigate, most of the time. Printing on newsprint, I'll run anything from 120 to 2000 PPI without any worries. If I have to convert to grayscale, etc, I'll usually run a resize/sharpen action to get it down to a normal size if it's too big, but usually we're talking about logos so I just let it go.
swell_sailor

swell_sailor Avatar

Location: The Gorge
Gender: Male


Posted: Nov 4, 2013 - 11:36am

 ScottFromWyoming wrote:

I got a photo one time that was 1 pixels/inch. Or cm. Still was plenty big enough to print 17 inches wide.

 
Right. One pixel per inch. Over 5000 inches wide. When printed at 17 inches is 300 dots per inch. 

Was that a test or something?


ScottFromWyoming

ScottFromWyoming Avatar

Location: Powell
Gender: Male


Posted: Nov 4, 2013 - 11:23am

 swell_sailor wrote:

jrzy didn't give the right answer. The image could be 3 million pixels in width, big enough to print on the side of the MetLife Stadium, and be described as 96 dots per inch. 

 
I got a photo one time that was 1 pixels/inch. Or cm. Still was plenty big enough to print 17 inches wide.
ScottFromWyoming

ScottFromWyoming Avatar

Location: Powell
Gender: Male


Posted: Nov 4, 2013 - 11:20am

 Alexandra wrote:


 

 
 
Exactly. When people start throwing math equations my way, my brain automatically shuts off. I am a bona fide math-o-phobic.   

 
I'm sorry. So, open the photo with whatever you used to determine that it's at 96 dpi. Or hell email it to me and I'll just tell you what you have, really.


Alexandra

Alexandra Avatar

Location: PNW
Gender: Female


Posted: Nov 4, 2013 - 11:19am

 swell_sailor wrote:

jrzy didn't give the right answer. The image could be 3 million pixels in width, big enough to print on the side of the MetLife Stadium, and be described as 96 dots per inch. 

 

 
Wouldn't that be awesome? My book cover that big for everyone to see?  
swell_sailor

swell_sailor Avatar

Location: The Gorge
Gender: Male


Posted: Nov 4, 2013 - 11:16am

 buzz wrote:
ScottFromWyoming wrote:

Thought I'd try that one out. Didn't work? I'll tell my friend in California who teaches photography at a college out there, and is always trying to find better ways to get students to understand resolution.

i didnt do the math ( too lazy to open a calculator). it just seemed that there were easier ways to answer A's question. kinda like jrzy did.
 
jrzy didn't give the right answer. The image could be 3 million pixels in width, big enough to print on the side of the MetLife Stadium, and be described as 96 dots per inch. 


swell_sailor

swell_sailor Avatar

Location: The Gorge
Gender: Male


Posted: Nov 4, 2013 - 11:11am

 Alexandra wrote:


 
It's going to be for both a hardcopy book cover and an e-book.
 
 
Mostly, I just wondered if an image at 96dpi sounds like she sent it raw without trying to size it or not. That's why I just asked if she could send the raw original—-just in case. That way I have it, and can work with it accordingly.
 
 
Thanks.....and thanks everyone else too!

 
Just like how in my example, we don't know how far it is to the store by knowing only miles per hour, we can't know how big the image is by knowing only dots per inch. It's an incomplete formula, and it's an ass backwards way of describing image size because even when you have the rest of the formula you have to do the math. 
Alexandra

Alexandra Avatar

Location: PNW
Gender: Female


Posted: Nov 4, 2013 - 11:05am

 buzz wrote:

 i didnt do the math ( too lazy to open a calculator). it just seemed that there were easier ways to answer A's question. kinda like jrzy did.
 

 

 
 
Exactly. When people start throwing math equations my way, my brain automatically shuts off. I am a bona fide math-o-phobic.   
Alexandra

Alexandra Avatar

Location: PNW
Gender: Female


Posted: Nov 4, 2013 - 11:04am

 swell_sailor wrote:

 

Dots per inch or pixels per inch are essentially meaningless until you go to print. If this has to do with an e-book that will never be printed, whoever is requiring 300 dots per inch needs to go back to school. 


 

 

 
It's going to be for both a hardcopy book cover and an e-book.
 
 
Mostly, I just wondered if an image at 96dpi sounds like she sent it raw without trying to size it or not. That's why I just asked if she could send the raw original—-just in case. That way I have it, and can work with it accordingly.
 
 
Thanks.....and thanks everyone else too!
buzz

buzz Avatar

Location: up the boohai


Posted: Nov 4, 2013 - 11:03am

ScottFromWyoming wrote:

Thought I'd try that one out. Didn't work? I'll tell my friend in California who teaches photography at a college out there, and is always trying to find better ways to get students to understand resolution.

i didnt do the math ( too lazy to open a calculator). it just seemed that there were easier ways to answer A's question. kinda like jrzy did.

swell_sailor

swell_sailor Avatar

Location: The Gorge
Gender: Male


Posted: Nov 4, 2013 - 11:00am

 ScottFromWyoming wrote:



 
That explains it.
ScottFromWyoming

ScottFromWyoming Avatar

Location: Powell
Gender: Male


Posted: Nov 4, 2013 - 10:59am

 swell_sailor wrote:

Oh shoot. I've confused myself.  

 

swell_sailor

swell_sailor Avatar

Location: The Gorge
Gender: Male


Posted: Nov 4, 2013 - 10:54am

What Scott is really saying is, it's the total dots that count, not the dots per inch.  And it's not really dots until it's printed, it's pixels. 

Imagine this scenario.......

Me: How far is it to the store?

You: One mile per minute. (sounds a lot like dots per inch huh?)

Me: Hm. Okay. But it seems like some of the formula is missing. I now know how many miles I'll cover in a minute, but I don't know how many minutes it will take. When I know how many minutes it will take, I can figure out how far it is to the store by doing the math. 

So, if we know only that the image has 96 pixels in an inch, but we don't know how many inches the image is, we really have no idea how large it is. If, for example, the image is 96 pixels per inch and has a total of 1344 pixels in width, the image is 14 inches wide. (1344÷96=14) If we decide to print this image, or display it, at only 7 inches in width, without doing anything else we double the pixel count. (1344total pixels ÷ 7inches = 192 pixels per inch.)

The bottom line is, the total pixels is what matters. If, for example, the image is 3000 pixels wide, at 300 pixels per inch, and we print at 300 dots per inch we can print an image 10 inches wide.  (3000 pixels, divided by 300 pixels per inch, equals 10 inches. 

Dots per inch or pixels per inch are essentially meaningless until you go to print. If this has to do with an e-book that will never be printed, whoever is requiring 300 dots per inch needs to go back to school. 

Oh shoot. I've confused myself.  




ScottFromWyoming

ScottFromWyoming Avatar

Location: Powell
Gender: Male


Posted: Nov 4, 2013 - 10:36am

 buzz wrote:
ScottFromWyoming wrote:

This is what we call a "Ranch" problem. Rancher Bob has a 100 acre ranch with 20 cows per acre. Rancher Tom has a 50 acre ranch with 50 cows per acre. You have 96 cows per acre. Who has more cows?

i dont know who has more cows, but you certainly seem to have more cowpies than Bob,
Tom, and Alexandra combined.
 
Thought I'd try that one out. Didn't work? I'll tell my friend in California who teaches photography at a college out there, and is always trying to find better ways to get students to understand resolution.
buzz

buzz Avatar

Location: up the boohai


Posted: Nov 4, 2013 - 10:32am

ScottFromWyoming wrote:

This is what we call a "Ranch" problem. Rancher Bob has a 100 acre ranch with 20 cows per acre. Rancher Tom has a 50 acre ranch with 50 cows per acre. You have 96 cows per acre. Who has more cows?


i dont know who has more cows, but you certainly seem to have more cowpies than Bob,
Tom, and Alexandra combined.
Alexandra

Alexandra Avatar

Location: PNW
Gender: Female


Posted: Nov 4, 2013 - 10:21am

 JrzyTmata wrote:

96 is for viewing on the innertubes. if printed, it will be pixelated or blurry when printed.
ask the person who did it to resize from the original for 300 dpi.I hope her original is 300 or better.

 

 
I just asked her to send the original, unsized file......and yes, hopefully. 
ScottFromWyoming

ScottFromWyoming Avatar

Location: Powell
Gender: Male


Posted: Nov 4, 2013 - 10:19am

 Alexandra wrote:
My cover art has been sent.
 
The image is at 96 dpi. I must submit it at 300 dpi.
 
Is this going to work? Is 96 dpi what an original image usually is?   Or does it sound like it's been sized?

 
This is what we call a "Ranch" problem. Rancher Bob has a 100 acre ranch with 20 cows per acre. Rancher Tom has a 50 acre ranch with 50 cows per acre. You have 96 cows per acre. Who has more cows?
JrzyTmata

JrzyTmata Avatar



Posted: Nov 4, 2013 - 10:15am

 Alexandra wrote:
My cover art has been sent.
 
The image is at 96 dpi. I must submit it at 300 dpi.
 
Is this going to work? Is 96 dpi what an original image usually is?   Or does it sound like it's been sized?

 
96 is for viewing on the innertubes. if printed, it will be pixelated or blurry when printed.
ask the person who did it to resize from the original for 300 dpi.I hope her original is 300 or better.
Alexandra

Alexandra Avatar

Location: PNW
Gender: Female


Posted: Nov 4, 2013 - 10:06am

My cover art has been sent.
 
The image is at 96 dpi. I must submit it at 300 dpi.
 
Is this going to work? Is 96 dpi what an original image usually is?   Or does it sound like it's been sized?
BlueHeronDruid

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Location: Заебани сме луѓе


Posted: Aug 19, 2013 - 5:57pm

 edieraye wrote:

{#Heartkiss}

 
You're everywhere in here today! Nice to see you!


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