[ANN]: Kaleidoscope Gallery (and a corrupted stack)
katheryn.swynford at gmail.com
Wed Apr 1 22:05:53 EDT 2009
Nice... I like!
On Wed, Apr 1, 2009 at 2:46 PM, Wilhelm Sanke <sanke at hrz.uni-kassel.de>wrote:
> I have uploaded a Kaleidoscope Gallery - about 30 images on 5 cards - to
> While putting the examples together using a number of differing techniques,
> the working stack suddenly became totally corrupt the day before yesterday,
> this having been preceded by rather frequent crashes described in bug report
> After having been notified that bug # 7812 has now been fixed with Rev
> version 3.5-RC1, I had used my stack with that new version (and
> alternatively with 3.0-gm3), and soon after having opened the stack with
> both versions the "corruption" occured. There is not even a "backup" stack
> anywhere on my harddisk, one of those preceded by a "tilde" (~), to which I
> was referred to by the Rev error dialog.
> I opened the remnants of the corrupt stack with a text editor and saw that
> about 20 scripts had completely disappeared, meaning that about a week's
> work was lost. I am in the course of reconstructing the scripts, there are
> no special problems involved, but it takes some time.
> Before the corruption, apart from the crashes a number of weird things had
> happened, among them
> - A simple "flip horizontal" script refused to stop (no repeat loops were
> involved here) and went on forever.
> - A number of buttons in a supporting stack - one from which I wanted to
> import some relevant scripts - were being deleted, presumably because they
> were incompatible with the # 7812 problem.-
> I will describe the procedures used to create the kaleidoscopic images in
> greater detail later. They will be part of my announced "Gradientology"
> stack. For the time being I mention a few general principles here:
> - The main principle to create kaleidoscopic images is to apply mirrors,
> especially "diagonal" mirrors, but in conjunction with non-diagonal mirrors.
> There are a number of such mirrors in my "Imagedata Toolkit" stack (<
> - Another element involves using snapshots of rotated images and to
> super-impose their imagedata.
> - Then modifying the imagedata by changing the colors can be an essential
> element (e.g. "duplicating colors" in my "Imagedata Toolkit" stack and
> - Skewing, stretching, and resizing are other useful techniques.
> A short description of the main steps in one approach:
> 1. I create an image that contains a number of squares with bi-directional
> gradients (again: see the "Imagedata Toolkit")
> 2. The image is "skewed" by a chosen factor
> 3. A "triangle" is chosen from anywhere in the image.
> 4. This triangle is positioned four times at the top, right, bottom, and
> left side of the image
> 5. This image created so far is rotated by an angle of 45 and superimposed
> with the original image, thus producing an octagonally mirrored
> 6. If you repeat this latter process with an angle of 22.5 you get a
> sixteenfold kaleidoscope.--
> Enjoy the examples of the gallery.
> IMHO I think that Revolution has a much greater potential to create
> kaleidoscopic images than an number of programs and results I found with
> Google searches on the net.
> Best regards,
> Wilhelm Sanke
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