atw: SnagIt and screen dumps
- From: "Daryl Colquhoun" <atw@xxxxxxxxxxxxx>
- To: "austechwriter list" <austechwriter@xxxxxxxxxxxxx>
- Date: Tue, 16 Sep 2008 22:43:33 +1000
Odd points:
What do you know about .wmf.
It's a vector format, not a raster one, and so quite unsuitable for a
screenshot.
Once a picture is embedded is there ANY way of seeing what file type it is?
Only this indirect and, sadly, not 100% accurate method: save the Word file
as HTML. Then by studying the HTML and seeing which image gets referenced
from where, you can roughly figure out what was what. But note that Word
often saves two versions of each image: original format and a smaller jpeg,
perhaps used internally for quick rendering. If anyone can shed further
light on all this, please do so. Something to play with in someone's spare
time.
Strange thing is, I get better resolution when SnagIt is set to save to
.png than when it is set to save to .jpg
No, that's not strange at all, since png is lossless and jpg is lossy.
This whole matter was discussed in austechwriter in the latter half of June
2005. The postings are available on the austechwriter archive on Freelists.
It is important to understand the distinctions raster/vector and
lossless/lossy but it's difficult to go into all that here, this being a
discussion list. Further, Wikipedia isn't all that good on the raster/vector
dichotomy (something for my to-do list), although there's stuff on the
subject here and there on the web.
For those who are newish to austechwriter, it's worth knowing that you can
not only look at the archive but you can do keyword searches in it, at
//www.freelists.org/archives/austechwriter/
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