On Tue Oct 17, John Vokey vokey at uleth.ca
Rev Graphics Gurus,
I have two general questions (which ultimately will evolve into many
more). I need to manipulate the contents of images in Rev in two ways:
1) I need to average, pixel by pixel, two images (of the same size)
before display of that average. So, the question is: how do I access
the individual pixels of the two images? Do I load them as binary,
and then locate the pixels (somehow) within the binary objects? Load
them as images, and then (somehow) access Rev's internal representation?
(snip)
-JRV
A look at my "Imagedata Toolkit" could be interesting for you. Apart
from more than 200 filter variants for images one of the basic settings
of the toolkit are two superimposed images that can be combined in
various ways. Here is a script for a 50-to-50 superimposing of images of
the same size:
"on mouseUp
put the imageData of image 2 into iData2
put the imageData of image 1 into iData1
put 0 into counter
repeat for each char C in idata2
add 1 to counter
put chartonum(C) into tC2
put chartonum(char counter of idata1) into tC1
put trunc((tc1 + tc2)/2) into tc
put numtochar(tC) into char counter of idata2
end repeat
set the imageData of image 2 to iData2
end mouseUp"
You can download the "Imagedata Toolkit" from page "Sample Stacks" of my
website <http://www.sanke.org/MetaMedia> where you also find a short
description of the stack and some other stacks for manipulating imagedata.
Regards,
Wilhelm Sanke
<http://www.sanke.org/MetaMedia>
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