Re: Do I understand how Word deals with graphics?

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On 1/31/06 3:56 PM, in article eqGlFjqJGHA.532@xxxxxxxxxxxxxxxxxxxx, "Ed"
<ed_millis@xxxxxxxxxxxxxxxxx> wrote:

> Thanks for adding to my understanding, though I'd like to get some
> additional clarification, if you've got the time.
> 
>> Based on your original post, my impression is that print quality is not as
>> much a concern as file size
> 
> Correct.  Most of our docs, while they will be printed out at some point,
> are stored on servers and emailed everywhere.  I've seen hand-drawn diagrams
> scanned on a full-page flat bed scanner, saved at 600 dpi, then inserted
> into a document and cropped and resized at  leisure.  And everyone wonders
> why their hard drives are sagging!

You'd be surprised how much disk space, etc is wasted because folks have no
idea (through no fault of their own) what they are actually dealing with!
 
>> What Jezebel is referring to is the resolution at which Word _stores_ the
>> graphic for print purposes. It is always _displayed_ at 72/96 ppi (not
> dpi,
>> which is a printer measurement which _does not_ correlate on a 1:1 basis)
>> because that is all the monitors are capable of - 72 ppi on Mac, 96 ppi on
>> Windows. If you copy & paste, you are copying the displayed (low res)
> image,
>> not the stored image whose res may be higher.
> 
> So then the metadata (?? - may be the wrong term) in a document does store
> two different sets of information for each graphic - the original size and
> resolution, and the displayed size and resolution?

And if the file goes cross-platform, that could double based on how Word
handles graphics differently on the PC vs Mac!
 
>> Cropping & Resizing in Word don't change anything about an image, itself.
>> The first essentially 'masks' the peripheral part of the image which the
>> user doesn't want to display or print, but doesn't _remove_ any of the
> image
>> content - you can stretch it back again with the Cropping Tool to display
>> the whole image any time you want. Likewise, 'resizing' would be more
>> accurately termed 'scaling' as it also simply determines what amount of
>> display space the image is allowed to occupy in the doc. It doesn't change
>> the size of the image, either.
> 
> But you have also just added more information Word needs to store, right?
> Whereas if the graphic had been resized from 6 x 4 at 600 ppi to fit the
> space in the document at a lower resolution before Inserting, Word would
> have much less info to save, resulting in a smaller doc size, yes?

Not really - what you are actually doing here is replacing one set of values
with another, so any effect on file size would be minimal.

>>>>> A Test Director will take a 6 inch wide by 4 inch high
>>>>> digital photo at 600 dpi, making the image 3600 pixels wide by 2400
>>>>> pixels high.
>> Digital Cameras don't set the print dimensions as a part of the image
>> format, they simply capture a certain number of pixels (. . . . )
>>>>> When imported into Word, which defaults to either 72 or 92 dpi, that
>>>>> photo (at 72 dpi) is still 3600 by 2400 pixels, but is now 50 inches
>>>>> wide by 33 inches high!
>> A per above, the number of pixels remain the same, but the print
> dimensions
>> aren't influenced in any way
> 
> I was referring to the displayed size of the photo when Inserted into a
> document, because that's what will cause them to reach for the crop tool and
> the resizing handles.  When talking about the display, is my reasoning
> correct (because the number of pixels are the same, but the display
> resolution is much smaller, the displayed size of the photo will grow
> proportionately)?  If not, then what causes the display bloat?

If by 'display bloat' you mean that some images fill much of a page when
placed in a doc, that's because the image has been created/saved to print at
a" x b", so it places with those dimensions. For the purpose of this
discussion, the more disproportionate the placed image is to the amount of
space allowed, then yes, the more cropping & resizing must be done to make
it 'fit'. But again, nothing the user does in in Word will change the pixel
dimensions of the image. If the placed file comes in at 2" x 3" & increases
the size of the doc by 1 MB, that is what it will stay at regardless of
whether you "resize" the image to 1" x 1.5" or stretch it to 4" x 6".

>>>> Never put a
>>>> picture
>>>> into Word by copy-and-paste from another application.
> 
> I am often given reference documents and told to use the graphics in it for
> my report.  Is that when you use the "Save As Web Page" trick?  Will that
> yield the image at the original size and resolution, versus the displayed
> image captured by Copy?

If the file containing the image can be opened in Word, that is one option.
Another is to rt+click the image and choose Save as Picture (I believe Word
'02 & '03 offer that, I'll check tomorrow), then use the newly saved image
file to place in the new doc.

Regards |:>)

.

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