I have been touring through the German "National Park Berchtesgaden"
(about 12 miles from Salzburg, where Mozart was born and lived part of
his life) for the last two weeks. While I was able to monitor the
discussion about "Joining 2 images" via my cellphone, I was unable to
contribute anything to this thread - being busy with climbing up and
down the snow-capped mountains and having no computer at my disposal.
I was impressed and fascinated by this beautiful part of the Alps, and
much of it reminded me of the Teton Range in the "Grand Teton National
Park" in Wyoming near Yellowstone Park. I thought this to be a good
starting point for a belated contribution to thread "Joining 2 images".
I put together a sample stack
<http://www.sanke.org/Software/JoinOverlappingImages.zip>
focusing on joining and partially blending two images, using an image of
the Teton Range (not by me) and a photography of the Watzmann Peaks from
my recent series, the second highest German mountain. When a blending
range of 300 pixels is applied (given the size of the sample photos in
the stack) IMO it seems to create a very presentable melting of Teton
Range and the Watzmann part of the Alps.
Apart from the "blending" script the stack contains Mark Smith's
"joining" script of May 3 (use-revolution list) and an alternative
"joining" script by myself on card 2.
Mark's script is surely the fastest solution possible when joining two
images by "appending" lines of bytes/chars. Such an "appending" approach
- using "put after" - is useful and possible with lines or successions
of chars when either the char values remain unchanged or each char of
the imagedata is modified in the same way and by that independantly of
any other char or its own position in the imagedata.
If, however, you have to compute new char values by taking into account
for example surrounding pixels (like with filter scripts; compare my
"blur" filters in stack "Imagedata Toolkit") or you wish to embed a
smaller image into a larger one with a perfect blending etc. etc., then
you have to apply a technique where the location of the individual chars
is clearly defined by their horizontal and vertical positions inside the
imagedata. My alternative script on card 2 - although very much slower
for the purpose of just joining two images - demonstrates such a
positional approach.
My script for combining two images with a definable overlapping area
also uses this positional approach.
For those who do not wish to download my sample stack, but would like to
have a quick look at the script, here is just the text of this script:
<http://www.sanke.org/Software/JoinAndBlendImages.txt>
==========================================
And for those who are just interested in the processed photos and the
combined result, here are these images in a somewhat bigger format:
<http://www.sanke.org/Software/TetonRange.jpg>
<http://www.sanke.org/Software/Alps-WatzmannPeaks.jpg>
and the resulting blended image:
<http://www.sanke.org/Software/JointTetonAndAlps.jpg>.
While it appeared to me that the "National Park Berchtesgaden" and the
"Grand Teton National Park" have so much in common, I have to point out
that there are still some differences. Take - as an example - the
following buildings in Berchtesgarden:
<http://www.sanke.org/Software/ChurchMariaGern.jpg>
You surely will not find such churches and farm houses in the Teton region.-
=========================================
Other less visual differences that come to my mind:
The best way to reach the Teton region is to fly to Jackson Hole and
rent a car from Alamo to be able to tour the region.
The best way to reach the National Park Berchtesgaden is to come by
train and then use your "Kurkarte" (which you get when you have booked a
room for your stay) for "free" traveling with public transport in the
whole region.
There are some trails in the Teton Range and Yellowstone Park where you
are asked to leave your address and phone number for better
identification of your remains - for the case that you would be
approached by an unfriendly grizzly.
In the Alps a single brown bear was spotted last year - possibly coming
from the Balkan area - who was immediately "eliminated", which raised a
heated discussion in the European press.
While it feasable to communicate in an English-like language in the
Teton region (at least when you listen closely), in Berchtesgaden you
have to take into account that the so-called "free state" of Bavaria
(still part of Germany) to which the area belongs, has certain
privileges and peculiarities, among them an indigenous vernacular, a
Bavarian dialect that is nowhere else taught and understood in Germany
or elsewhere. This influences political proceedings in Germany to a
substantial degree, because it makes it difficult to speak "with one
voice" in international matters.
Before you enter a restaurant in the Teton region, you have to make sure
that the restaurant has a license for liquors. Otherwise you might end
up digesting your steak with biologically correct water or, what is
worse, Coca Cola.
Mormon country is near.
But there is hope: Even in Salt Lake City, not far from the Tabernacle,
there is (or was?) a Mexican restaurant - favoured by students of
Brigham Young University (Devin Asay will surely know) - that serves
spicy dishes along with alcoholic beverages.
In Berchtesgaden one of the favourite drinks is "Enzian", a liquor made
form the roots of a blue or yellow flower with a distinctive earthen,
but wonderful flavor.
Best regards,
Wilhelm Sanke
<http://www.sanke.org/Metamedia>
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